Bump version to 4.72.2

Fixes #9960

.gitignore

@@ -25,3 +25,4 @@ obj/
 jni/libspeex/.deps/
 *.sh
 pkcs11.password
+dev.keystore

CONTRIBUTING.md

@@ -83,7 +83,7 @@ There are several other ways to get involved:
 * Try to reproduce issues and help with troubleshooting.
 * Discover solutions to open issues and post any relevant findings.
 * Test other people's pull requests.
-* Contribute to Signal via the [Freedom of the Press Foundation's donation page](https://freedom.press/crowdfunding/signal/).
+* [Donate to Signal.](https://signal.org/donate/)
 * Share Signal with your friends and family.
 
 Signal is made for you. Thank you for your feedback and support.

app/build.gradle

@@ -80,8 +80,8 @@ protobuf {
     }
 }
 
-def canonicalVersionCode = 655
-def canonicalVersionName = "4.63.2"
+def canonicalVersionCode = 711
+def canonicalVersionName = "4.72.2"
 
 def postFixSize = 10
 def abiPostFix = ['universal'   : 0,
@@ -100,6 +100,15 @@ android {
         javaMaxHeapSize "4g"
     }
 
+    signingConfigs {
+        staging {
+            storeFile file("${project.rootDir}/dev.keystore")
+            storePassword 'android'
+            keyAlias 'staging'
+            keyPassword 'android'
+        }
+    }
+
     defaultConfig {
         versionCode canonicalVersionCode * postFixSize
         versionName canonicalVersionName
@@ -122,8 +131,9 @@ android {
         buildConfigField "String", "CONTENT_PROXY_HOST", "\"contentproxy.signal.org\""
         buildConfigField "int", "CONTENT_PROXY_PORT", "443"
         buildConfigField "String", "SIGNAL_AGENT", "\"OWA\""
-        buildConfigField "String", "CDS_MRENCLAVE", "\"cd6cfc342937b23b1bdd3bbf9721aa5615ac9ff50a75c5527d441cd3276826c9\""
+        buildConfigField "String", "CDS_MRENCLAVE", "\"c98e00a4e3ff977a56afefe7362a27e4961e4f19e211febfbb19b897e6b80b15\""
         buildConfigField "String", "KBS_ENCLAVE_NAME", "\"fe7c1bfae98f9b073d220366ea31163ee82f6d04bead774f71ca8e5c40847bfe\""
+        buildConfigField "String", "KBS_SERVICE_ID", "\"fe7c1bfae98f9b073d220366ea31163ee82f6d04bead774f71ca8e5c40847bfe\""
         buildConfigField "String", "KBS_MRENCLAVE", "\"a3baab19ef6ce6f34ab9ebb25ba722725ae44a8872dc0ff08ad6d83a9489de87\""
         buildConfigField "String", "UNIDENTIFIED_SENDER_TRUST_ROOT", "\"BXu6QIKVz5MA8gstzfOgRQGqyLqOwNKHL6INkv3IHWMF\""
         buildConfigField "String", "ZKGROUP_SERVER_PUBLIC_PARAMS", "\"AMhf5ywVwITZMsff/eCyudZx9JDmkkkbV6PInzG4p8x3VqVJSFiMvnvlEKWuRob/1eaIetR31IYeAbm0NdOuHH8Qi+Rexi1wLlpzIo1gstHWBfZzy1+qHRV5A4TqPp15YzBPm0WSggW6PbSn+F4lf57VCnHF7p8SvzAA2ZZJPYJURt8X7bbg+H3i+PEjH9DXItNEqs2sNcug37xZQDLm7X0=\""
@@ -163,6 +173,10 @@ android {
         exclude 'META-INF/proguard/androidx-annotations.pro'
     }
 
+    aaptOptions {
+        ignoreAssetsPattern '!contours.tfl:!LMprec_600.emd:!blazeface.tfl'
+    }
+
     buildTypes {
         debug {
             minifyEnabled true
@@ -190,6 +204,8 @@ android {
         }
         staging {
             initWith debug
+            applicationIdSuffix ".staging"
+            signingConfig signingConfigs.staging
 
             buildConfigField "String", "SIGNAL_URL", "\"https://textsecure-service-staging.whispersystems.org\""
             buildConfigField "String", "STORAGE_URL", "\"https://storage-staging.signal.org\""
@@ -197,8 +213,9 @@ android {
             buildConfigField "String", "SIGNAL_CDN2_URL", "\"https://cdn2-staging.signal.org\""
             buildConfigField "String", "SIGNAL_CONTACT_DISCOVERY_URL", "\"https://api-staging.directory.signal.org\""
             buildConfigField "String", "SIGNAL_KEY_BACKUP_URL", "\"https://api-staging.backup.signal.org\""
-            buildConfigField "String", "CDS_MRENCLAVE", "\"ba4ebb438bc07713819ee6c98d94037747006d7df63fc9e44d2d6f1fec962a79\""
+            buildConfigField "String", "CDS_MRENCLAVE", "\"bd123560b01c8fa92935bc5ae15cd2064e5c45215f23f0bd40364d521329d2ad\""
             buildConfigField "String", "KBS_ENCLAVE_NAME", "\"823a3b2c037ff0cbe305cc48928cfcc97c9ed4a8ca6d49af6f7d6981fb60a4e9\""
+            buildConfigField "String", "KBS_SERVICE_ID", "\"038c40bbbacdc873caa81ac793bb75afde6dfe436a99ab1f15e3f0cbb7434ced\""
             buildConfigField "String", "UNIDENTIFIED_SENDER_TRUST_ROOT", "\"BbqY1DzohE4NUZoVF+L18oUPrK3kILllLEJh2UnPSsEx\""
             buildConfigField "String", "ZKGROUP_SERVER_PUBLIC_PARAMS", "\"ABSY21VckQcbSXVNCGRYJcfWHiAMZmpTtTELcDmxgdFbtp/bWsSxZdMKzfCp8rvIs8ocCU3B37fT3r4Mi5qAemeGeR2X+/YmOGR5ofui7tD5mDQfstAI9i+4WpMtIe8KC3wU5w3Inq3uNWVmoGtpKndsNfwJrCg0Hd9zmObhypUnSkfYn2ooMOOnBpfdanRtrvetZUayDMSC5iSRcXKpdls=\""
         }
@@ -304,7 +321,7 @@ dependencies {
 
     implementation 'org.signal:argon2:13.1@aar'
 
-    implementation 'org.signal:ringrtc-android:2.0.3'
+    implementation 'org.signal:ringrtc-android:2.7.0'
 
     implementation "me.leolin:ShortcutBadger:1.1.16"
     implementation 'se.emilsjolander:stickylistheaders:2.7.0'
@@ -358,11 +375,11 @@ dependencies {
 
     testImplementation 'junit:junit:4.12'
     testImplementation 'org.assertj:assertj-core:3.11.1'
-    testImplementation 'org.mockito:mockito-core:1.9.5'
-    testImplementation 'org.powermock:powermock-api-mockito:1.6.1'
-    testImplementation 'org.powermock:powermock-module-junit4:1.6.1'
-    testImplementation 'org.powermock:powermock-module-junit4-rule:1.6.1'
-    testImplementation 'org.powermock:powermock-classloading-xstream:1.6.1'
+    testImplementation 'org.mockito:mockito-core:2.8.9'
+    testImplementation 'org.powermock:powermock-api-mockito2:1.7.4'
+    testImplementation 'org.powermock:powermock-module-junit4:1.7.4'
+    testImplementation 'org.powermock:powermock-module-junit4-rule:1.7.4'
+    testImplementation 'org.powermock:powermock-classloading-xstream:1.7.4'
 
     testImplementation 'androidx.test:core:1.2.0'
     testImplementation ('org.robolectric:robolectric:4.2') {
@@ -455,3 +472,13 @@ def getLastCommitTimestamp() {
         return os.toString() + "000"
     }
 }
+
+tasks.withType(Test) {
+    testLogging {
+        events "failed"
+        exceptionFormat "full"
+        showCauses true
+        showExceptions true
+        showStackTraces true
+    }
+}

app/lint.xml

@@ -1,15 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <lint>
 
+    <!-- Wont pass lint or qa with a STOPSHIP in a comment -->
+    <issue id="StopShip" severity="fatal" />
+
     <!-- L10N errors -->
     <!-- This is a runtime crash so we don't want to ship with this. -->
     <issue id="StringFormatMatches" severity="error" />
 
     <!-- L10N warnings -->
-    <issue id="MissingTranslation" severity="warning" />
+    <issue id="MissingTranslation" severity="ignore" />
     <issue id="MissingQuantity" severity="warning" />
+    <issue id="MissingDefaultResource" severity="error">
+        <ignore path="*/res/values-*/strings.xml" /> <!-- Ignore for non-English, excludeNonTranslatables task will remove these -->
+    </issue>
     <issue id="ExtraTranslation" severity="warning" />
     <issue id="ImpliedQuantity" severity="warning" />
+    <issue id="TypographyDashes" severity="error" >
+        <ignore path="*/res/values-*/strings.xml" /> <!-- Ignore for non-English -->
+    </issue>
 
     <issue id="CanvasSize" severity="error" />
     <issue id="HardcodedText" severity="error" />

app/src/flipper/AndroidManifest.xml

@@ -5,5 +5,12 @@
 
     <application
         android:name=".FlipperApplicationContext"
-        tools:replace="android:name"/>
+        tools:replace="android:name">
+
+        <activity
+            android:name="com.facebook.flipper.android.diagnostics.FlipperDiagnosticActivity"
+            android:exported="true" />
+
+    </application>
+
 </manifest>

app/src/flipper/java/org/thoughtcrime/securesms/database/FlipperSqlCipherAdapter.java

@@ -15,7 +15,9 @@ import net.sqlcipher.database.SQLiteDatabase;
 import net.sqlcipher.database.SQLiteStatement;
 
 import org.thoughtcrime.securesms.database.helpers.SQLCipherOpenHelper;
+import org.thoughtcrime.securesms.logging.Log;
 
+import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -29,13 +31,23 @@ import java.util.Map;
  */
 public class FlipperSqlCipherAdapter extends DatabaseDriver<FlipperSqlCipherAdapter.Descriptor> {
 
+  private static final String TAG = Log.tag(FlipperSqlCipherAdapter.class);
+
   public FlipperSqlCipherAdapter(Context context) {
     super(context);
   }
 
   @Override
   public List<Descriptor> getDatabases() {
-    return Collections.singletonList(new Descriptor(DatabaseFactory.getRawDatabase(getContext())));
+    try {
+      Field databaseHelperField = DatabaseFactory.class.getDeclaredField("databaseHelper");
+      databaseHelperField.setAccessible(true);
+      SQLCipherOpenHelper sqlCipherOpenHelper = (SQLCipherOpenHelper) databaseHelperField.get(DatabaseFactory.getInstance(getContext()));
+      return Collections.singletonList(new Descriptor(sqlCipherOpenHelper));
+    } catch (Exception e) {
+      Log.i(TAG, "Unable to use reflection to access raw database.", e);
+    }
+    return Collections.emptyList();
   }
 
   @Override

app/src/main/AndroidManifest.xml

@@ -5,7 +5,7 @@
 
     <uses-sdk tools:overrideLibrary="androidx.camera.core,androidx.camera.camera2,androidx.camera.lifecycle" />
 
-    <permission android:name="org.thoughtcrime.securesms.ACCESS_SECRETS"
+    <permission android:name="${applicationId}.ACCESS_SECRETS"
                 android:label="Access to TextSecure Secrets"
                 android:protectionLevel="signature" />
 
@@ -113,15 +113,22 @@
     <meta-data android:name="google_analytics_adid_collection_enabled" android:value="false" />
     <meta-data android:name="firebase_messaging_auto_init_enabled" android:value="false" />
 
-    <activity android:name="org.thoughtcrime.securesms.WebRtcCallActivity"
+    <activity android:name=".WebRtcCallActivity"
               android:theme="@style/TextSecure.LightTheme.WebRTCCall"
               android:excludeFromRecents="true"
               android:screenOrientation="portrait"
               android:supportsPictureInPicture="true"
               android:windowSoftInputMode="stateAlwaysHidden"
               android:configChanges="screenSize|smallestScreenSize|screenLayout|orientation"
+              android:taskAffinity=".calling"
               android:launchMode="singleTask"/>
 
+    <activity android:name=".messagerequests.CalleeMustAcceptMessageRequestActivity"
+              android:theme="@style/TextSecure.DarkNoActionBar"
+              android:screenOrientation="portrait"
+              android:noHistory="true"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
     <activity android:name=".InviteActivity"
               android:theme="@style/Signal.Light.NoActionBar.Invite"
               android:windowSoftInputMode="stateHidden"
@@ -129,7 +136,7 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize">
         <meta-data
             android:name="android.support.PARENT_ACTIVITY"
-            android:value="org.thoughtcrime.securesms.MainActivity" />
+            android:value=".MainActivity" />
     </activity>
 
     <activity android:name=".PromptMmsActivity"
@@ -151,7 +158,7 @@
                android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".sharing.ShareActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:excludeFromRecents="true"
               android:launchMode="singleTask"
               android:taskAffinity=""
@@ -184,7 +191,7 @@
     </activity>
 
     <activity android:name=".stickers.StickerPackPreviewActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:launchMode="singleTask"
               android:noHistory="true"
               android:windowSoftInputMode="stateHidden"
@@ -216,6 +223,15 @@
             <category android:name="android.intent.category.MULTIWINDOW_LAUNCHER" />
         </intent-filter>
 
+        <intent-filter android:autoVerify="true"
+                       tools:targetApi="23">
+            <action android:name="android.intent.action.VIEW" />
+            <category android:name="android.intent.category.DEFAULT" />
+            <category android:name="android.intent.category.BROWSABLE" />
+            <data android:scheme="https"
+                  android:host="signal.group"/>
+        </intent-filter>
+
         <meta-data android:name="com.sec.minimode.icon.portrait.normal"
                    android:resource="@mipmap/ic_launcher" />
         <meta-data android:name="com.sec.minimode.icon.landscape.normal"
@@ -243,24 +259,28 @@
               android:theme="@style/TextSecure.LightTheme.Popup"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize" />
 
-    <activity android:name=".MessageDetailsActivity"
+    <activity android:name=".messagedetails.MessageDetailsActivity"
               android:label="@string/AndroidManifest__message_details"
               android:windowSoftInputMode="stateHidden"
               android:launchMode="singleTask"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
-    <activity android:name=".GroupCreateActivity"
-          android:windowSoftInputMode="stateVisible"
-          android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
-
     <activity android:name=".groups.ui.pendingmemberinvites.PendingMemberInvitesActivity"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"
-              android:theme="@style/TextSecure.LightNoActionBar" />
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar" />
+
+    <activity android:name=".groups.ui.invitesandrequests.ManagePendingAndRequestingMembersActivity"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize|uiMode"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar" />
 
     <activity android:name=".groups.ui.managegroup.ManageGroupActivity"
               android:windowSoftInputMode="stateAlwaysHidden"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
+    <activity android:name=".recipients.ui.managerecipient.ManageRecipientActivity"
+              android:windowSoftInputMode="stateAlwaysHidden"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
     <activity android:name=".DatabaseMigrationActivity"
               android:theme="@style/NoAnimation.Theme.AppCompat.Light.DarkActionBar"
               android:launchMode="singleTask"
@@ -274,7 +294,7 @@
       <activity android:name=".PassphraseCreateActivity"
               android:label="@string/AndroidManifest__create_passphrase"
               android:windowSoftInputMode="stateUnchanged"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:launchMode="singleTask"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
@@ -284,7 +304,7 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".NewConversationActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:windowSoftInputMode="stateAlwaysVisible"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
@@ -294,7 +314,7 @@
           android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".giph.ui.GiphyActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:windowSoftInputMode="stateHidden"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
@@ -359,7 +379,7 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".mediaoverview.MediaOverviewActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:windowSoftInputMode="stateHidden"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
@@ -410,10 +430,6 @@
 
     </activity>
 
-    <activity android:name=".RecipientPreferenceActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
-              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
-
     <activity android:name=".mediasend.AvatarSelectionActivity"
               android:theme="@style/TextSecure.FullScreenMedia"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
@@ -452,6 +468,9 @@
         </intent-filter>
     </activity>
 
+    <activity android:name=".contacts.TurnOffContactJoinedNotificationsActivity"
+              android:theme="@style/Theme.AppCompat.Dialog.Alert" />
+
     <activity android:name=".messagerequests.MessageRequestMegaphoneActivity"
               android:theme="@style/TextSecure.LightRegistrationTheme"
               android:windowSoftInputMode="adjustResize"
@@ -462,46 +481,54 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".contactshare.ContactNameEditActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".contactshare.SharedContactDetailsActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".ShortcutLauncherActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:exported="true"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity
             android:name=".maps.PlacePickerActivity"
             android:label="@string/PlacePickerActivity_title"
-            android:theme="@style/TextSecure.LightNoActionBar"
+            android:theme="@style/Theme.Signal.DayNight.NoActionBar"
             android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".MainActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:launchMode="singleTask"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize" />
 
     <activity android:name=".pin.PinRestoreActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize" />
 
     <activity android:name=".groups.ui.creategroup.CreateGroupActivity"
-              android:theme="@style/TextSecure.LightNoActionBar" />
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar" />
 
     <activity android:name=".groups.ui.addtogroup.AddToGroupsActivity"
-              android:theme="@style/TextSecure.LightNoActionBar" />
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar" />
 
     <activity android:name=".groups.ui.addmembers.AddMembersActivity"
-              android:theme="@style/TextSecure.LightNoActionBar" />
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar" />
 
     <activity android:name=".groups.ui.creategroup.details.AddGroupDetailsActivity"
-              android:theme="@style/TextSecure.LightNoActionBar" />
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar" />
 
-    <service android:enabled="true" android:name="org.thoughtcrime.securesms.service.WebRtcCallService"/>
+    <activity android:name=".groups.ui.chooseadmin.ChooseNewAdminActivity"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize" />
+
+    <activity android:name=".megaphone.ClientDeprecatedActivity"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize|uiMode"
+              android:launchMode="singleTask" />
+
+    <service android:enabled="true" android:name=".service.WebRtcCallService"/>
     <service android:enabled="true" android:name=".service.ApplicationMigrationService"/>
     <service android:enabled="true" android:exported="false" android:name=".service.KeyCachingService"/>
     <service android:enabled="true" android:name=".messages.IncomingMessageObserver$ForegroundService"/>
@@ -618,18 +645,20 @@
 
     <receiver android:name=".revealable.ViewOnceMessageManager$ViewOnceAlarm" />
 
+    <receiver android:name=".service.TrimThreadsByDateManager$TrimThreadsByDateAlarm" />
+
     <provider android:name=".providers.PartProvider"
               android:grantUriPermissions="true"
               android:exported="false"
-              android:authorities="org.thoughtcrime.provider.securesms" />
+              android:authorities="${applicationId}.part" />
 
     <provider android:name=".providers.MmsBodyProvider"
               android:grantUriPermissions="true"
               android:exported="false"
-              android:authorities="org.thoughtcrime.provider.securesms.mms" />
+              android:authorities="${applicationId}.mms" />
 
     <provider android:name="androidx.core.content.FileProvider"
-              android:authorities="org.thoughtcrime.securesms.fileprovider"
+              android:authorities="${applicationId}.fileprovider"
               android:exported="false"
               android:grantUriPermissions="true">
 
@@ -638,23 +667,23 @@
     </provider>
 
     <provider android:name=".database.DatabaseContentProviders$Conversation"
-              android:authorities="org.thoughtcrime.securesms.database.conversation"
+              android:authorities="${applicationId}.database.conversation"
               android:exported="false" />
 
     <provider android:name=".database.DatabaseContentProviders$ConversationList"
-              android:authorities="org.thoughtcrime.securesms.database.conversationlist"
+              android:authorities="${applicationId}.database.conversationlist"
               android:exported="false" />
 
     <provider android:name=".database.DatabaseContentProviders$Attachment"
-              android:authorities="org.thoughtcrime.securesms.database.attachment"
+              android:authorities="${applicationId}.database.attachment"
               android:exported="false" />
 
     <provider android:name=".database.DatabaseContentProviders$Sticker"
-              android:authorities="org.thoughtcrime.securesms.database.sticker"
+              android:authorities="${applicationId}.database.sticker"
               android:exported="false" />
 
     <provider android:name=".database.DatabaseContentProviders$StickerPack"
-              android:authorities="org.thoughtcrime.securesms.database.stickerpack"
+              android:authorities="${applicationId}.database.stickerpack"
               android:exported="false" />
 
     <receiver android:name=".service.BootReceiver">
@@ -700,11 +729,7 @@
         </intent-filter>
     </receiver>
 
-    <receiver android:name=".notifications.MessageNotifier$ReminderReceiver">
-        <intent-filter>
-            <action android:name="org.thoughtcrime.securesms.MessageNotifier.REMINDER_ACTION"/>
-        </intent-filter>
-    </receiver>
+    <receiver android:name=".notifications.MessageNotifier$ReminderReceiver"/>
 
     <receiver android:name=".notifications.DeleteNotificationReceiver">
         <intent-filter>

app/src/main/java/org/signal/glide/Log.java

@@ -0,0 +1,58 @@
+package org.signal.glide;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+public final class Log {
+
+  private Log() {}
+
+  public static void v(@NonNull String tag, @NonNull String message) {
+    SignalGlideCodecs.getLogProvider().v(tag, message);
+  }
+
+  public static void d(@NonNull String tag, @NonNull String message) {
+    SignalGlideCodecs.getLogProvider().d(tag, message);
+  }
+
+  public static void i(@NonNull String tag, @NonNull String message) {
+    SignalGlideCodecs.getLogProvider().i(tag, message);
+  }
+
+  public static void w(@NonNull String tag, @NonNull String message) {
+    SignalGlideCodecs.getLogProvider().w(tag, message);
+  }
+
+  public static void e(@NonNull String tag, @NonNull String message) {
+    e(tag, message, null);
+  }
+
+  public static void e(@NonNull String tag, @NonNull String message, @Nullable Throwable throwable) {
+    SignalGlideCodecs.getLogProvider().e(tag, message, throwable);
+  }
+
+  public interface Provider {
+    void v(@NonNull String tag, @NonNull String message);
+    void d(@NonNull String tag, @NonNull String message);
+    void i(@NonNull String tag, @NonNull String message);
+    void w(@NonNull String tag, @NonNull String message);
+    void e(@NonNull String tag, @NonNull String message, @Nullable Throwable throwable);
+
+    Provider EMPTY = new Provider() {
+      @Override
+      public void v(@NonNull String tag, @NonNull String message) { }
+
+      @Override
+      public void d(@NonNull String tag, @NonNull String message) { }
+
+      @Override
+      public void i(@NonNull String tag, @NonNull String message) { }
+
+      @Override
+      public void w(@NonNull String tag, @NonNull String message) { }
+
+      @Override
+      public void e(@NonNull String tag, @NonNull String message, @NonNull Throwable throwable) { }
+    };
+  }
+}

app/src/main/java/org/signal/glide/SignalGlideCodecs.java

@@ -0,0 +1,18 @@
+package org.signal.glide;
+
+import androidx.annotation.NonNull;
+
+public final class SignalGlideCodecs {
+
+  private static Log.Provider logProvider = Log.Provider.EMPTY;
+
+  private SignalGlideCodecs() {}
+
+  public static void setLogProvider(@NonNull Log.Provider provider) {
+    logProvider = provider;
+  }
+
+  public static @NonNull Log.Provider getLogProvider() {
+    return logProvider;
+  }
+}

app/src/main/java/org/signal/glide/apng/APNGDrawable.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng;
+
+import android.content.Context;
+
+import org.signal.glide.common.FrameAnimationDrawable;
+import org.signal.glide.apng.decode.APNGDecoder;
+import org.signal.glide.common.decode.FrameSeqDecoder;
+import org.signal.glide.common.loader.AssetStreamLoader;
+import org.signal.glide.common.loader.FileLoader;
+import org.signal.glide.common.loader.Loader;
+import org.signal.glide.common.loader.ResourceStreamLoader;
+
+/**
+ * @Description: APNGDrawable
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/27
+ */
+public class APNGDrawable extends FrameAnimationDrawable<APNGDecoder> {
+    public APNGDrawable(Loader provider) {
+        super(provider);
+    }
+
+    public APNGDrawable(APNGDecoder decoder) {
+        super(decoder);
+    }
+
+    @Override
+    protected APNGDecoder createFrameSeqDecoder(Loader streamLoader, FrameSeqDecoder.RenderListener listener) {
+        return new APNGDecoder(streamLoader, listener);
+    }
+
+
+    public static APNGDrawable fromAsset(Context context, String assetPath) {
+        AssetStreamLoader assetStreamLoader = new AssetStreamLoader(context, assetPath);
+        return new APNGDrawable(assetStreamLoader);
+    }
+
+    public static APNGDrawable fromFile(String filePath) {
+        FileLoader fileLoader = new FileLoader(filePath);
+        return new APNGDrawable(fileLoader);
+    }
+
+    public static APNGDrawable fromResource(Context context, int resId) {
+        ResourceStreamLoader resourceStreamLoader = new ResourceStreamLoader(context, resId);
+        return new APNGDrawable(resourceStreamLoader);
+    }
+}

app/src/main/java/org/signal/glide/apng/decode/ACTLChunk.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.decode;
+
+import org.signal.glide.apng.io.APNGReader;
+
+import java.io.IOException;
+
+/**
+ * @Description: https://developer.mozilla.org/en-US/docs/Mozilla/Tech/APNG#.27acTL.27:_The_Animation_Control_Chunk
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/27
+ */
+class ACTLChunk extends Chunk {
+    static final int ID = fourCCToInt("acTL");
+    int num_frames;
+    int num_plays;
+
+    @Override
+    void innerParse(APNGReader apngReader) throws IOException {
+        num_frames = apngReader.readInt();
+        num_plays = apngReader.readInt();
+    }
+}

app/src/main/java/org/signal/glide/apng/decode/APNGDecoder.java

@@ -0,0 +1,211 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.decode;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.graphics.Rect;
+
+import org.signal.glide.Log;
+import org.signal.glide.apng.io.APNGReader;
+import org.signal.glide.apng.io.APNGWriter;
+import org.signal.glide.common.decode.Frame;
+import org.signal.glide.common.decode.FrameSeqDecoder;
+import org.signal.glide.common.io.Reader;
+import org.signal.glide.common.loader.Loader;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @Description: APNG4Android
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-13
+ */
+public class APNGDecoder extends FrameSeqDecoder<APNGReader, APNGWriter> {
+
+    private static final String TAG = APNGDecoder.class.getSimpleName();
+
+    private APNGWriter apngWriter;
+    private int mLoopCount;
+    private final Paint paint = new Paint();
+
+
+    private class SnapShot {
+        byte dispose_op;
+        Rect dstRect = new Rect();
+        ByteBuffer byteBuffer;
+    }
+
+    private SnapShot snapShot = new SnapShot();
+
+    /**
+     * @param loader         webp的reader
+     * @param renderListener 渲染的回调
+     */
+    public APNGDecoder(Loader loader, FrameSeqDecoder.RenderListener renderListener) {
+        super(loader, renderListener);
+        paint.setAntiAlias(true);
+    }
+
+    @Override
+    protected APNGWriter getWriter() {
+        if (apngWriter == null) {
+            apngWriter = new APNGWriter();
+        }
+        return apngWriter;
+    }
+
+    @Override
+    protected APNGReader getReader(Reader reader) {
+        return new APNGReader(reader);
+    }
+
+    @Override
+    protected int getLoopCount() {
+        return mLoopCount;
+    }
+
+    @Override
+    protected void release() {
+        snapShot.byteBuffer = null;
+        apngWriter = null;
+    }
+
+
+    @Override
+    protected Rect read(APNGReader reader) throws IOException {
+        List<Chunk> chunks = APNGParser.parse(reader);
+        List<Chunk> otherChunks = new ArrayList<>();
+
+        boolean actl = false;
+        APNGFrame lastFrame = null;
+        byte[] ihdrData = new byte[0];
+        int canvasWidth = 0, canvasHeight = 0;
+        for (Chunk chunk : chunks) {
+            if (chunk instanceof ACTLChunk) {
+                mLoopCount = ((ACTLChunk) chunk).num_plays;
+                actl = true;
+            } else if (chunk instanceof FCTLChunk) {
+                APNGFrame frame = new APNGFrame(reader, (FCTLChunk) chunk);
+                frame.prefixChunks = otherChunks;
+                frame.ihdrData = ihdrData;
+                frames.add(frame);
+                lastFrame = frame;
+            } else if (chunk instanceof FDATChunk) {
+                if (lastFrame != null) {
+                    lastFrame.imageChunks.add(chunk);
+                }
+            } else if (chunk instanceof IDATChunk) {
+                if (!actl) {
+                    //如果为非APNG图片，则只解码PNG
+                    Frame frame = new StillFrame(reader);
+                    frame.frameWidth = canvasWidth;
+                    frame.frameHeight = canvasHeight;
+                    frames.add(frame);
+                    mLoopCount = 1;
+                    break;
+                }
+                if (lastFrame != null) {
+                    lastFrame.imageChunks.add(chunk);
+                }
+
+            } else if (chunk instanceof IHDRChunk) {
+                canvasWidth = ((IHDRChunk) chunk).width;
+                canvasHeight = ((IHDRChunk) chunk).height;
+                ihdrData = ((IHDRChunk) chunk).data;
+            } else if (!(chunk instanceof IENDChunk)) {
+                otherChunks.add(chunk);
+            }
+        }
+        frameBuffer = ByteBuffer.allocate((canvasWidth * canvasHeight / (sampleSize * sampleSize) + 1) * 4);
+        snapShot.byteBuffer = ByteBuffer.allocate((canvasWidth * canvasHeight / (sampleSize * sampleSize) + 1) * 4);
+        return new Rect(0, 0, canvasWidth, canvasHeight);
+    }
+
+    @Override
+    protected void renderFrame(Frame frame) {
+        if (frame == null || fullRect == null) {
+            return;
+        }
+        try {
+            Bitmap bitmap = obtainBitmap(fullRect.width() / sampleSize, fullRect.height() / sampleSize);
+            Canvas canvas = cachedCanvas.get(bitmap);
+            if (canvas == null) {
+                canvas = new Canvas(bitmap);
+                cachedCanvas.put(bitmap, canvas);
+            }
+            if (frame instanceof APNGFrame) {
+                // 从缓存中恢复当前帧
+                frameBuffer.rewind();
+                bitmap.copyPixelsFromBuffer(frameBuffer);
+                // 开始绘制前，处理快照中的设定
+                if (this.frameIndex == 0) {
+                    canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
+                } else {
+                    canvas.save();
+                    canvas.clipRect(snapShot.dstRect);
+                    switch (snapShot.dispose_op) {
+                        // 从快照中恢复上一帧之前的显示内容
+                        case FCTLChunk.APNG_DISPOSE_OP_PREVIOUS:
+                            snapShot.byteBuffer.rewind();
+                            bitmap.copyPixelsFromBuffer(snapShot.byteBuffer);
+                            break;
+                        // 清空上一帧所画区域
+                        case FCTLChunk.APNG_DISPOSE_OP_BACKGROUND:
+                            canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
+                            break;
+                        // 什么都不做
+                        case FCTLChunk.APNG_DISPOSE_OP_NON:
+                        default:
+                            break;
+                    }
+                    canvas.restore();
+                }
+
+                // 然后根据dispose设定传递到快照信息中
+                if (((APNGFrame) frame).dispose_op == FCTLChunk.APNG_DISPOSE_OP_PREVIOUS) {
+                    if (snapShot.dispose_op != FCTLChunk.APNG_DISPOSE_OP_PREVIOUS) {
+                        snapShot.byteBuffer.rewind();
+                        bitmap.copyPixelsToBuffer(snapShot.byteBuffer);
+                    }
+                }
+
+                snapShot.dispose_op = ((APNGFrame) frame).dispose_op;
+                canvas.save();
+                if (((APNGFrame) frame).blend_op == FCTLChunk.APNG_BLEND_OP_SOURCE) {
+                    canvas.clipRect(
+                            frame.frameX / sampleSize,
+                            frame.frameY / sampleSize,
+                            (frame.frameX + frame.frameWidth) / sampleSize,
+                            (frame.frameY + frame.frameHeight) / sampleSize);
+                    canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
+                }
+
+
+                snapShot.dstRect.set(frame.frameX / sampleSize,
+                        frame.frameY / sampleSize,
+                        (frame.frameX + frame.frameWidth) / sampleSize,
+                        (frame.frameY + frame.frameHeight) / sampleSize);
+                canvas.restore();
+            }
+            //开始真正绘制当前帧的内容
+            Bitmap inBitmap = obtainBitmap(frame.frameWidth, frame.frameHeight);
+            recycleBitmap(frame.draw(canvas, paint, sampleSize, inBitmap, getWriter()));
+            recycleBitmap(inBitmap);
+            frameBuffer.rewind();
+            bitmap.copyPixelsToBuffer(frameBuffer);
+            recycleBitmap(bitmap);
+        } catch (Throwable t) {
+            Log.e(TAG, "Failed to render!", t);
+        }
+    }
+}

app/src/main/java/org/signal/glide/apng/decode/APNGFrame.java

@@ -0,0 +1,147 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.decode;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+
+import org.signal.glide.apng.io.APNGReader;
+import org.signal.glide.apng.io.APNGWriter;
+import org.signal.glide.common.decode.Frame;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.zip.CRC32;
+
+/**
+ * @Description: APNG4Android
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-13
+ */
+public class APNGFrame extends Frame<APNGReader, APNGWriter> {
+    public final byte blend_op;
+    public final byte dispose_op;
+    byte[] ihdrData;
+    List<Chunk> imageChunks = new ArrayList<>();
+    List<Chunk> prefixChunks = new ArrayList<>();
+    private static final byte[] sPNGSignatures = {(byte) 137, 80, 78, 71, 13, 10, 26, 10};
+    private static final byte[] sPNGEndChunk = {0, 0, 0, 0, 0x49, 0x45, 0x4E, 0x44, (byte) 0xAE, 0x42, 0x60, (byte) 0x82};
+
+    private static ThreadLocal<CRC32> sCRC32 = new ThreadLocal<>();
+
+    private CRC32 getCRC32() {
+        CRC32 crc32 = sCRC32.get();
+        if (crc32 == null) {
+            crc32 = new CRC32();
+            sCRC32.set(crc32);
+        }
+        return crc32;
+    }
+
+    public APNGFrame(APNGReader reader, FCTLChunk fctlChunk) {
+        super(reader);
+        blend_op = fctlChunk.blend_op;
+        dispose_op = fctlChunk.dispose_op;
+        frameDuration = fctlChunk.delay_num * 1000 / (fctlChunk.delay_den == 0 ? 100 : fctlChunk.delay_den);
+        frameWidth = fctlChunk.width;
+        frameHeight = fctlChunk.height;
+        frameX = fctlChunk.x_offset;
+        frameY = fctlChunk.y_offset;
+    }
+
+    private int encode(APNGWriter apngWriter) throws IOException {
+        int fileSize = 8 + 13 + 12;
+
+        //prefixChunks
+        for (Chunk chunk : prefixChunks) {
+            fileSize += chunk.length + 12;
+        }
+
+        //imageChunks
+        for (Chunk chunk : imageChunks) {
+            if (chunk instanceof IDATChunk) {
+                fileSize += chunk.length + 12;
+            } else if (chunk instanceof FDATChunk) {
+                fileSize += chunk.length + 8;
+            }
+        }
+        fileSize += sPNGEndChunk.length;
+        apngWriter.reset(fileSize);
+        apngWriter.putBytes(sPNGSignatures);
+        //IHDR Chunk
+        apngWriter.writeInt(13);
+        int start = apngWriter.position();
+        apngWriter.writeFourCC(IHDRChunk.ID);
+        apngWriter.writeInt(frameWidth);
+        apngWriter.writeInt(frameHeight);
+        apngWriter.putBytes(ihdrData);
+        CRC32 crc32 = getCRC32();
+        crc32.reset();
+        crc32.update(apngWriter.toByteArray(), start, 17);
+        apngWriter.writeInt((int) crc32.getValue());
+
+        //prefixChunks
+        for (Chunk chunk : prefixChunks) {
+            if (chunk instanceof IENDChunk) {
+                continue;
+            }
+            reader.reset();
+            reader.skip(chunk.offset);
+            reader.read(apngWriter.toByteArray(), apngWriter.position(), chunk.length + 12);
+            apngWriter.skip(chunk.length + 12);
+        }
+        //imageChunks
+        for (Chunk chunk : imageChunks) {
+            if (chunk instanceof IDATChunk) {
+                reader.reset();
+                reader.skip(chunk.offset);
+                reader.read(apngWriter.toByteArray(), apngWriter.position(), chunk.length + 12);
+                apngWriter.skip(chunk.length + 12);
+            } else if (chunk instanceof FDATChunk) {
+                apngWriter.writeInt(chunk.length - 4);
+                start = apngWriter.position();
+                apngWriter.writeFourCC(IDATChunk.ID);
+
+                reader.reset();
+                // skip to fdat data position
+                reader.skip(chunk.offset + 4 + 4 + 4);
+                reader.read(apngWriter.toByteArray(), apngWriter.position(), chunk.length - 4);
+
+                apngWriter.skip(chunk.length - 4);
+                crc32.reset();
+                crc32.update(apngWriter.toByteArray(), start, chunk.length);
+                apngWriter.writeInt((int) crc32.getValue());
+            }
+        }
+        //endChunk
+        apngWriter.putBytes(sPNGEndChunk);
+        return fileSize;
+    }
+
+
+    @Override
+    public Bitmap draw(Canvas canvas, Paint paint, int sampleSize, Bitmap reusedBitmap, APNGWriter writer) {
+        try {
+            int length = encode(writer);
+            BitmapFactory.Options options = new BitmapFactory.Options();
+            options.inJustDecodeBounds = false;
+            options.inSampleSize = sampleSize;
+            options.inMutable = true;
+            options.inBitmap = reusedBitmap;
+            byte[] bytes = writer.toByteArray();
+            Bitmap bitmap = BitmapFactory.decodeByteArray(bytes, 0, length, options);
+            assert bitmap != null;
+            canvas.drawBitmap(bitmap, (float) frameX / sampleSize, (float) frameY / sampleSize, paint);
+            return bitmap;
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+}

app/src/main/java/org/signal/glide/apng/decode/APNGParser.java

@@ -0,0 +1,143 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.decode;
+
+import android.content.Context;
+
+import org.signal.glide.apng.io.APNGReader;
+import org.signal.glide.common.io.Reader;
+import org.signal.glide.common.io.StreamReader;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @link {https://www.w3.org/TR/PNG/#5PNG-file-signature}
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-13
+ */
+public class APNGParser {
+    static class FormatException extends IOException {
+        FormatException() {
+            super("APNG Format error");
+        }
+    }
+
+    public static boolean isAPNG(String filePath) {
+        InputStream inputStream = null;
+        try {
+            inputStream = new FileInputStream(filePath);
+            return isAPNG(new StreamReader(inputStream));
+        } catch (Exception e) {
+            return false;
+        } finally {
+            if (inputStream != null) {
+                try {
+                    inputStream.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    public static boolean isAPNG(Context context, String assetPath) {
+        InputStream inputStream = null;
+        try {
+            inputStream = context.getAssets().open(assetPath);
+            return isAPNG(new StreamReader(inputStream));
+        } catch (Exception e) {
+            return false;
+        } finally {
+            if (inputStream != null) {
+                try {
+                    inputStream.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    public static boolean isAPNG(Context context, int resId) {
+        InputStream inputStream = null;
+        try {
+            inputStream = context.getResources().openRawResource(resId);
+            return isAPNG(new StreamReader(inputStream));
+        } catch (Exception e) {
+            return false;
+        } finally {
+            if (inputStream != null) {
+                try {
+                    inputStream.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    public static boolean isAPNG(Reader in) {
+        APNGReader reader = (in instanceof APNGReader) ? (APNGReader) in : new APNGReader(in);
+        try {
+            if (!reader.matchFourCC("\u0089PNG") || !reader.matchFourCC("\r\n\u001a\n")) {
+                throw new FormatException();
+            }
+            while (reader.available() > 0) {
+                Chunk chunk = parseChunk(reader);
+                if (chunk instanceof ACTLChunk) {
+                    return true;
+                }
+            }
+        } catch (IOException e) {
+            return false;
+        }
+        return false;
+    }
+
+    public static List<Chunk> parse(APNGReader reader) throws IOException {
+        if (!reader.matchFourCC("\u0089PNG") || !reader.matchFourCC("\r\n\u001a\n")) {
+            throw new FormatException();
+        }
+
+        List<Chunk> chunks = new ArrayList<>();
+        while (reader.available() > 0) {
+            chunks.add(parseChunk(reader));
+        }
+        return chunks;
+    }
+
+    private static Chunk parseChunk(APNGReader reader) throws IOException {
+        int offset = reader.position();
+        int size = reader.readInt();
+        int fourCC = reader.readFourCC();
+        Chunk chunk;
+        if (fourCC == ACTLChunk.ID) {
+            chunk = new ACTLChunk();
+        } else if (fourCC == FCTLChunk.ID) {
+            chunk = new FCTLChunk();
+        } else if (fourCC == FDATChunk.ID) {
+            chunk = new FDATChunk();
+        } else if (fourCC == IDATChunk.ID) {
+            chunk = new IDATChunk();
+        } else if (fourCC == IENDChunk.ID) {
+            chunk = new IENDChunk();
+        } else if (fourCC == IHDRChunk.ID) {
+            chunk = new IHDRChunk();
+        } else {
+            chunk = new Chunk();
+        }
+        chunk.offset = offset;
+        chunk.fourcc = fourCC;
+        chunk.length = size;
+        chunk.parse(reader);
+        chunk.crc = reader.readInt();
+        return chunk;
+    }
+}

app/src/main/java/org/signal/glide/apng/decode/Chunk.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.decode;
+
+import android.text.TextUtils;
+
+import org.signal.glide.apng.io.APNGReader;
+
+import java.io.IOException;
+
+/**
+ * @Description: Length (长度)	4字节	指定数据块中数据域的长度，其长度不超过(231－1)字节
+ * Chunk Type Code (数据块类型码)	4字节	数据块类型码由ASCII字母(A-Z和a-z)组成
+ * Chunk Data (数据块数据)	可变长度	存储按照Chunk Type Code指定的数据
+ * CRC (循环冗余检测)	4字节	存储用来检测是否有错误的循环冗余码
+ * @Link https://www.w3.org/TR/PNG
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/27
+ */
+class Chunk {
+    int length;
+    int fourcc;
+    int crc;
+    int offset;
+
+    static int fourCCToInt(String fourCC) {
+        if (TextUtils.isEmpty(fourCC) || fourCC.length() != 4) {
+            return 0xbadeffff;
+        }
+        return (fourCC.charAt(0) & 0xff)
+                | (fourCC.charAt(1) & 0xff) << 8
+                | (fourCC.charAt(2) & 0xff) << 16
+                | (fourCC.charAt(3) & 0xff) << 24
+                ;
+    }
+
+    void parse(APNGReader reader) throws IOException {
+        int available = reader.available();
+        innerParse(reader);
+        int offset = available - reader.available();
+        if (offset > length) {
+            throw new IOException("Out of chunk area");
+        } else if (offset < length) {
+            reader.skip(length - offset);
+        }
+    }
+
+    void innerParse(APNGReader reader) throws IOException {
+    }
+}

app/src/main/java/org/signal/glide/apng/decode/FCTLChunk.java

@@ -0,0 +1,121 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.decode;
+
+import org.signal.glide.apng.io.APNGReader;
+
+import java.io.IOException;
+
+/**
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/27
+ * @see {link=https://developer.mozilla.org/en-US/docs/Mozilla/Tech/APNG#.27fcTL.27:_The_Frame_Control_Chunk}
+ */
+class FCTLChunk extends Chunk {
+    static final int ID = fourCCToInt("fcTL");
+    int sequence_number;
+    /**
+     * x_offset >= 0
+     * y_offset >= 0
+     * width > 0
+     * height > 0
+     * x_offset + width <= 'IHDR' width
+     * y_offset + height <= 'IHDR' height
+     */
+    /**
+     * Width of the following frame.
+     */
+    int width;
+    /**
+     * Height of the following frame.
+     */
+    int height;
+    /**
+     * X position at which to render the following frame.
+     */
+    int x_offset;
+    /**
+     * Y position at which to render the following frame.
+     */
+    int y_offset;
+
+    /**
+     * The delay_num and delay_den parameters together specify a fraction indicating the time to
+     * display the current frame, in seconds. If the denominator is 0, it is to be treated as if it
+     * were 100 (that is, delay_num then specifies 1/100ths of a second).
+     * If the the value of the numerator is 0 the decoder should render the next frame as quickly as
+     * possible, though viewers may impose a reasonable lower bound.
+     * <p>
+     * Frame timings should be independent of the time required for decoding and display of each frame,
+     * so that animations will run at the same rate regardless of the performance of the decoder implementation.
+     */
+
+    /**
+     * Frame delay fraction numerator.
+     */
+    short delay_num;
+
+    /**
+     * Frame delay fraction denominator.
+     */
+    short delay_den;
+
+    /**
+     * Type of frame area disposal to be done after rendering this frame.
+     * dispose_op specifies how the output buffer should be changed at the end of the delay (before rendering the next frame).
+     * If the first 'fcTL' chunk uses a dispose_op of APNG_DISPOSE_OP_PREVIOUS it should be treated as APNG_DISPOSE_OP_BACKGROUND.
+     */
+    byte dispose_op;
+
+    /**
+     * Type of frame area rendering for this frame.
+     */
+    byte blend_op;
+
+    /**
+     * No disposal is done on this frame before rendering the next; the contents of the output buffer are left as is.
+     */
+    static final int APNG_DISPOSE_OP_NON = 0;
+
+    /**
+     * The frame's region of the output buffer is to be cleared to fully transparent black before rendering the next frame.
+     */
+    static final int APNG_DISPOSE_OP_BACKGROUND = 1;
+
+    /**
+     * The frame's region of the output buffer is to be reverted to the previous contents before rendering the next frame.
+     */
+    static final int APNG_DISPOSE_OP_PREVIOUS = 2;
+
+    /**
+     * blend_op<code> specifies whether the frame is to be alpha blended into the current output buffer content,
+     * or whether it should completely replace its region in the output buffer.
+     */
+    /**
+     * All color components of the frame, including alpha, overwrite the current contents of the frame's output buffer region.
+     */
+    static final int APNG_BLEND_OP_SOURCE = 0;
+
+    /**
+     * The frame should be composited onto the output buffer based on its alpha,
+     * using a simple OVER operation as described in the Alpha Channel Processing section of the Extensions
+     * to the PNG Specification, Version 1.2.0. Note that the second variation of the sample code is applicable.
+     */
+    static final int APNG_BLEND_OP_OVER = 1;
+
+    @Override
+    void innerParse(APNGReader reader) throws IOException {
+        sequence_number = reader.readInt();
+        width = reader.readInt();
+        height = reader.readInt();
+        x_offset = reader.readInt();
+        y_offset = reader.readInt();
+        delay_num = reader.readShort();
+        delay_den = reader.readShort();
+        dispose_op = reader.peek();
+        blend_op = reader.peek();
+    }
+}

app/src/main/java/org/signal/glide/apng/decode/FDATChunk.java

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.decode;
+
+import org.signal.glide.apng.io.APNGReader;
+
+import java.io.IOException;
+
+/**
+ * @Description: https://developer.mozilla.org/en-US/docs/Mozilla/Tech/APNG#.27fdAT.27:_The_Frame_Data_Chunk
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/27
+ */
+class FDATChunk extends Chunk {
+    static final int ID = fourCCToInt("fdAT");
+    int sequence_number;
+
+    @Override
+    void innerParse(APNGReader reader) throws IOException {
+        sequence_number = reader.readInt();
+    }
+}

app/src/main/java/org/signal/glide/apng/decode/IDATChunk.java

@@ -0,0 +1,15 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.decode;
+
+/**
+ * @Description: 作用描述
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/27
+ */
+class IDATChunk extends Chunk {
+    static final int ID = fourCCToInt("IDAT");
+}

app/src/main/java/org/signal/glide/apng/decode/IENDChunk.java

@@ -0,0 +1,15 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.decode;
+
+/**
+ * @Description: 作用描述
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/27
+ */
+class IENDChunk extends Chunk {
+    static final int ID = Chunk.fourCCToInt("IEND");
+}

app/src/main/java/org/signal/glide/apng/decode/IHDRChunk.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.decode;
+
+import org.signal.glide.apng.io.APNGReader;
+
+import java.io.IOException;
+
+/**
+ * The IHDR chunk shall be the first chunk in the PNG datastream. It contains:
+ * <p>
+ * Width	4 bytes
+ * Height	4 bytes
+ * Bit depth	1 byte
+ * Colour type	1 byte
+ * Compression method	1 byte
+ * Filter method	1 byte
+ * Interlace method	1 byte
+ *
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/27
+ */
+class IHDRChunk extends Chunk {
+    static final int ID = fourCCToInt("IHDR");
+    /**
+     * 图像宽度，以像素为单位
+     */
+    int width;
+    /**
+     * 图像高度，以像素为单位
+     */
+    int height;
+
+    byte[] data = new byte[5];
+
+    @Override
+    void innerParse(APNGReader reader) throws IOException {
+        width = reader.readInt();
+        height = reader.readInt();
+        reader.read(data, 0, data.length);
+    }
+}

app/src/main/java/org/signal/glide/apng/decode/StillFrame.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.decode;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+
+import org.signal.glide.apng.io.APNGReader;
+import org.signal.glide.apng.io.APNGWriter;
+import org.signal.glide.common.decode.Frame;
+
+import java.io.IOException;
+
+/**
+ * @Description: APNG4Android
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-13
+ */
+public class StillFrame extends Frame<APNGReader, APNGWriter> {
+
+    public StillFrame(APNGReader reader) {
+        super(reader);
+    }
+
+    @Override
+    public Bitmap draw(Canvas canvas, Paint paint, int sampleSize, Bitmap reusedBitmap, APNGWriter writer) {
+        BitmapFactory.Options options = new BitmapFactory.Options();
+        options.inJustDecodeBounds = false;
+        options.inSampleSize = sampleSize;
+        options.inMutable = true;
+        options.inBitmap = reusedBitmap;
+        Bitmap bitmap = null;
+        try {
+            reader.reset();
+            bitmap = BitmapFactory.decodeStream(reader.toInputStream(), null, options);
+            assert bitmap != null;
+            paint.setXfermode(null);
+            canvas.drawBitmap(bitmap, 0, 0, paint);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return bitmap;
+    }
+}

app/src/main/java/org/signal/glide/apng/io/APNGReader.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.io;
+
+import android.text.TextUtils;
+
+import org.signal.glide.common.io.FilterReader;
+import org.signal.glide.common.io.Reader;
+
+import java.io.IOException;
+
+/**
+ * @Description: APNGReader
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-13
+ */
+public class APNGReader extends FilterReader {
+    private static ThreadLocal<byte[]> __intBytes = new ThreadLocal<>();
+
+
+    protected static byte[] ensureBytes() {
+        byte[] bytes = __intBytes.get();
+        if (bytes == null) {
+            bytes = new byte[4];
+            __intBytes.set(bytes);
+        }
+        return bytes;
+    }
+
+    public APNGReader(Reader in) {
+        super(in);
+    }
+
+    public int readInt() throws IOException {
+        byte[] buf = ensureBytes();
+        read(buf, 0, 4);
+        return buf[3] & 0xFF |
+                (buf[2] & 0xFF) << 8 |
+                (buf[1] & 0xFF) << 16 |
+                (buf[0] & 0xFF) << 24;
+    }
+
+    public short readShort() throws IOException {
+        byte[] buf = ensureBytes();
+        read(buf, 0, 2);
+        return (short) (buf[1] & 0xFF |
+                (buf[0] & 0xFF) << 8);
+    }
+
+    /**
+     * @return read FourCC and match chars
+     */
+    public boolean matchFourCC(String chars) throws IOException {
+        if (TextUtils.isEmpty(chars) || chars.length() != 4) {
+            return false;
+        }
+        int fourCC = readFourCC();
+        for (int i = 0; i < 4; i++) {
+            if (((fourCC >> (i * 8)) & 0xff) != chars.charAt(i)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    public int readFourCC() throws IOException {
+        byte[] buf = ensureBytes();
+        read(buf, 0, 4);
+        return buf[0] & 0xff | (buf[1] & 0xff) << 8 | (buf[2] & 0xff) << 16 | (buf[3] & 0xff) << 24;
+    }
+}

app/src/main/java/org/signal/glide/apng/io/APNGWriter.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.apng.io;
+
+import org.signal.glide.common.io.ByteBufferWriter;
+
+import java.nio.ByteOrder;
+
+/**
+ * @Description: APNGWriter
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-13
+ */
+public class APNGWriter extends ByteBufferWriter {
+    public APNGWriter() {
+        super();
+    }
+
+    public void writeFourCC(int val) {
+        putByte((byte) (val & 0xff));
+        putByte((byte) ((val >> 8) & 0xff));
+        putByte((byte) ((val >> 16) & 0xff));
+        putByte((byte) ((val >> 24) & 0xff));
+    }
+
+    public void writeInt(int val) {
+        putByte((byte) ((val >> 24) & 0xff));
+        putByte((byte) ((val >> 16) & 0xff));
+        putByte((byte) ((val >> 8) & 0xff));
+        putByte((byte) (val & 0xff));
+    }
+
+    @Override
+    public void reset(int size) {
+        super.reset(size);
+        this.byteBuffer.order(ByteOrder.BIG_ENDIAN);
+    }
+}

app/src/main/java/org/signal/glide/common/FrameAnimationDrawable.java

@@ -0,0 +1,253 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.DrawFilter;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.PaintFlagsDrawFilter;
+import android.graphics.PixelFormat;
+import android.graphics.drawable.Drawable;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+
+import androidx.annotation.NonNull;
+import androidx.vectordrawable.graphics.drawable.Animatable2Compat;
+
+import org.signal.glide.Log;
+import org.signal.glide.common.decode.FrameSeqDecoder;
+import org.signal.glide.common.loader.Loader;
+
+import java.nio.ByteBuffer;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * @Description: Frame animation drawable
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/27
+ */
+public abstract class FrameAnimationDrawable<Decoder extends FrameSeqDecoder> extends Drawable implements Animatable2Compat, FrameSeqDecoder.RenderListener {
+    private static final String TAG = FrameAnimationDrawable.class.getSimpleName();
+    private final Paint paint = new Paint();
+    private final Decoder frameSeqDecoder;
+    private DrawFilter drawFilter = new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
+    private Matrix matrix = new Matrix();
+    private Set<AnimationCallback> animationCallbacks = new HashSet<>();
+    private Bitmap bitmap;
+    private static final int MSG_ANIMATION_START = 1;
+    private static final int MSG_ANIMATION_END = 2;
+    private Handler uiHandler = new Handler(Looper.getMainLooper()) {
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case MSG_ANIMATION_START:
+                    for (AnimationCallback animationCallback : animationCallbacks) {
+                        animationCallback.onAnimationStart(FrameAnimationDrawable.this);
+                    }
+                    break;
+                case MSG_ANIMATION_END:
+                    for (AnimationCallback animationCallback : animationCallbacks) {
+                        animationCallback.onAnimationEnd(FrameAnimationDrawable.this);
+                    }
+                    break;
+            }
+        }
+    };
+    private Runnable invalidateRunnable = new Runnable() {
+        @Override
+        public void run() {
+            invalidateSelf();
+        }
+    };
+    private boolean autoPlay = true;
+
+    public FrameAnimationDrawable(Decoder frameSeqDecoder) {
+        paint.setAntiAlias(true);
+        this.frameSeqDecoder = frameSeqDecoder;
+    }
+
+    public FrameAnimationDrawable(Loader provider) {
+        paint.setAntiAlias(true);
+        this.frameSeqDecoder = createFrameSeqDecoder(provider, this);
+    }
+
+    public void setAutoPlay(boolean autoPlay) {
+        this.autoPlay = autoPlay;
+    }
+
+    protected abstract Decoder createFrameSeqDecoder(Loader streamLoader, FrameSeqDecoder.RenderListener listener);
+
+    /**
+     * @param loopLimit <=0为无限播放,>0为实际播放次数
+     */
+    public void setLoopLimit(int loopLimit) {
+        frameSeqDecoder.setLoopLimit(loopLimit);
+    }
+
+    public void reset() {
+        frameSeqDecoder.reset();
+    }
+
+    public void pause() {
+        frameSeqDecoder.pause();
+    }
+
+    public void resume() {
+        frameSeqDecoder.resume();
+    }
+
+    public boolean isPaused() {
+        return frameSeqDecoder.isPaused();
+    }
+
+    @Override
+    public void start() {
+        if (autoPlay) {
+            frameSeqDecoder.start();
+        } else {
+            this.frameSeqDecoder.addRenderListener(this);
+            if (!this.frameSeqDecoder.isRunning()) {
+                this.frameSeqDecoder.start();
+            }
+        }
+    }
+
+    @Override
+    public void stop() {
+        if (autoPlay) {
+            frameSeqDecoder.stop();
+        } else {
+            this.frameSeqDecoder.removeRenderListener(this);
+            this.frameSeqDecoder.stopIfNeeded();
+        }
+    }
+
+    @Override
+    public boolean isRunning() {
+        return frameSeqDecoder.isRunning();
+    }
+
+    @Override
+    public void draw(Canvas canvas) {
+        if (bitmap == null || bitmap.isRecycled()) {
+            return;
+        }
+        canvas.setDrawFilter(drawFilter);
+        canvas.drawBitmap(bitmap, matrix, paint);
+    }
+
+    @Override
+    public void setBounds(int left, int top, int right, int bottom) {
+        super.setBounds(left, top, right, bottom);
+        boolean sampleSizeChanged = frameSeqDecoder.setDesiredSize(getBounds().width(), getBounds().height());
+        matrix.setScale(
+                1.0f * getBounds().width() * frameSeqDecoder.getSampleSize() / frameSeqDecoder.getBounds().width(),
+                1.0f * getBounds().height() * frameSeqDecoder.getSampleSize() / frameSeqDecoder.getBounds().height());
+
+        if (sampleSizeChanged)
+            this.bitmap = Bitmap.createBitmap(
+                    frameSeqDecoder.getBounds().width() / frameSeqDecoder.getSampleSize(),
+                    frameSeqDecoder.getBounds().height() / frameSeqDecoder.getSampleSize(),
+                    Bitmap.Config.ARGB_8888);
+    }
+
+    @Override
+    public void setAlpha(int alpha) {
+        paint.setAlpha(alpha);
+    }
+
+    @Override
+    public void setColorFilter(ColorFilter colorFilter) {
+        paint.setColorFilter(colorFilter);
+    }
+
+    @Override
+    public int getOpacity() {
+        return PixelFormat.TRANSLUCENT;
+    }
+
+    @Override
+    public void onStart() {
+        Message.obtain(uiHandler, MSG_ANIMATION_START).sendToTarget();
+    }
+
+    @Override
+    public void onRender(ByteBuffer byteBuffer) {
+        if (!isRunning()) {
+            return;
+        }
+        if (this.bitmap == null || this.bitmap.isRecycled()) {
+            this.bitmap = Bitmap.createBitmap(
+                    frameSeqDecoder.getBounds().width() / frameSeqDecoder.getSampleSize(),
+                    frameSeqDecoder.getBounds().height() / frameSeqDecoder.getSampleSize(),
+                    Bitmap.Config.ARGB_8888);
+        }
+        byteBuffer.rewind();
+        if (byteBuffer.remaining() < this.bitmap.getByteCount()) {
+            Log.e(TAG, "onRender:Buffer not large enough for pixels");
+            return;
+        }
+        this.bitmap.copyPixelsFromBuffer(byteBuffer);
+        uiHandler.post(invalidateRunnable);
+    }
+
+    @Override
+    public void onEnd() {
+        Message.obtain(uiHandler, MSG_ANIMATION_END).sendToTarget();
+    }
+
+    @Override
+    public boolean setVisible(boolean visible, boolean restart) {
+        if (this.autoPlay) {
+            if (visible) {
+                if (!isRunning()) {
+                    start();
+                }
+            } else if (isRunning()) {
+                stop();
+            }
+        }
+        return super.setVisible(visible, restart);
+    }
+
+    @Override
+    public int getIntrinsicWidth() {
+        try {
+            return frameSeqDecoder.getBounds().width();
+        } catch (Exception exception) {
+            return 0;
+        }
+    }
+
+    @Override
+    public int getIntrinsicHeight() {
+        try {
+            return frameSeqDecoder.getBounds().height();
+        } catch (Exception exception) {
+            return 0;
+        }
+    }
+
+    @Override
+    public void registerAnimationCallback(@NonNull AnimationCallback animationCallback) {
+        this.animationCallbacks.add(animationCallback);
+    }
+
+    @Override
+    public boolean unregisterAnimationCallback(@NonNull AnimationCallback animationCallback) {
+        return this.animationCallbacks.remove(animationCallback);
+    }
+
+    @Override
+    public void clearAnimationCallbacks() {
+        this.animationCallbacks.clear();
+    }
+}

app/src/main/java/org/signal/glide/common/decode/Frame.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.decode;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+
+import org.signal.glide.common.io.Reader;
+import org.signal.glide.common.io.Writer;
+
+/**
+ * @Description: One frame in an animation
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-13
+ */
+public abstract class Frame<R extends Reader, W extends Writer> {
+    protected final R reader;
+    public int frameWidth;
+    public int frameHeight;
+    public int frameX;
+    public int frameY;
+    public int frameDuration;
+
+    public Frame(R reader) {
+        this.reader = reader;
+    }
+
+    public abstract Bitmap draw(Canvas canvas, Paint paint, int sampleSize, Bitmap reusedBitmap, W writer);
+}

app/src/main/java/org/signal/glide/common/decode/FrameSeqDecoder.java

@@ -0,0 +1,539 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.decode;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.os.Build;
+import android.os.Handler;
+import android.os.Looper;
+
+import androidx.annotation.Nullable;
+import androidx.annotation.WorkerThread;
+
+import org.signal.glide.Log;
+import org.signal.glide.common.executor.FrameDecoderExecutor;
+import org.signal.glide.common.io.Reader;
+import org.signal.glide.common.io.Writer;
+import org.signal.glide.common.loader.Loader;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.WeakHashMap;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.locks.LockSupport;
+
+/**
+ * @Description: Abstract Frame Animation Decoder
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/27
+ */
+public abstract class FrameSeqDecoder<R extends Reader, W extends Writer> {
+    private static final String TAG = FrameSeqDecoder.class.getSimpleName();
+    private final int taskId;
+
+    private final Loader mLoader;
+    private final Handler workerHandler;
+    protected List<Frame> frames = new ArrayList<>();
+    protected int frameIndex = -1;
+    private int playCount;
+    private Integer loopLimit = null;
+    private Set<RenderListener> renderListeners = new HashSet<>();
+    private AtomicBoolean paused = new AtomicBoolean(true);
+    private static final Rect RECT_EMPTY = new Rect();
+    private Runnable renderTask = new Runnable() {
+        @Override
+        public void run() {
+            if (paused.get()) {
+                return;
+            }
+            if (canStep()) {
+                long start = System.currentTimeMillis();
+                long delay = step();
+                long cost = System.currentTimeMillis() - start;
+                workerHandler.postDelayed(this, Math.max(0, delay - cost));
+                for (RenderListener renderListener : renderListeners) {
+                    renderListener.onRender(frameBuffer);
+                }
+            } else {
+                stop();
+            }
+        }
+    };
+    protected int sampleSize = 1;
+
+    private Set<Bitmap> cacheBitmaps = new HashSet<>();
+    protected Map<Bitmap, Canvas> cachedCanvas = new WeakHashMap<>();
+    protected ByteBuffer frameBuffer;
+    protected volatile Rect fullRect;
+    private W mWriter = getWriter();
+    private R mReader = null;
+
+    /**
+     * If played all the needed
+     */
+    private boolean finished = false;
+
+    private enum State {
+        IDLE,
+        RUNNING,
+        INITIALIZING,
+        FINISHING,
+    }
+
+    private volatile State mState = State.IDLE;
+
+    public Loader getLoader() {
+        return mLoader;
+    }
+
+    protected abstract W getWriter();
+
+    protected abstract R getReader(Reader reader);
+
+    protected Bitmap obtainBitmap(int width, int height) {
+        Bitmap ret = null;
+        Iterator<Bitmap> iterator = cacheBitmaps.iterator();
+        while (iterator.hasNext()) {
+            int reuseSize = width * height * 4;
+            ret = iterator.next();
+
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+                if (ret != null && ret.getAllocationByteCount() >= reuseSize) {
+                    iterator.remove();
+                    if (ret.getWidth() != width || ret.getHeight() != height) {
+                        ret.reconfigure(width, height, Bitmap.Config.ARGB_8888);
+                    }
+                    ret.eraseColor(0);
+                    return ret;
+                }
+            } else {
+                if (ret != null && ret.getByteCount() >= reuseSize) {
+                    if (ret.getWidth() == width && ret.getHeight() == height) {
+                        iterator.remove();
+                        ret.eraseColor(0);
+                    }
+                    return ret;
+                }
+            }
+        }
+
+        try {
+            Bitmap.Config config = Bitmap.Config.ARGB_8888;
+            ret = Bitmap.createBitmap(width, height, config);
+        } catch (OutOfMemoryError e) {
+            e.printStackTrace();
+        }
+        return ret;
+    }
+
+    protected void recycleBitmap(Bitmap bitmap) {
+        if (bitmap != null && !cacheBitmaps.contains(bitmap)) {
+            cacheBitmaps.add(bitmap);
+        }
+    }
+
+    /**
+     * 解码器的渲染回调
+     */
+    public interface RenderListener {
+        /**
+         * 播放开始
+         */
+        void onStart();
+
+        /**
+         * 帧播放
+         */
+        void onRender(ByteBuffer byteBuffer);
+
+        /**
+         * 播放结束
+         */
+        void onEnd();
+    }
+
+
+    /**
+     * @param loader         webp的reader
+     * @param renderListener 渲染的回调
+     */
+    public FrameSeqDecoder(Loader loader, @Nullable RenderListener renderListener) {
+        this.mLoader = loader;
+        if (renderListener != null) {
+            this.renderListeners.add(renderListener);
+        }
+        this.taskId = FrameDecoderExecutor.getInstance().generateTaskId();
+        this.workerHandler = new Handler(FrameDecoderExecutor.getInstance().getLooper(taskId));
+    }
+
+
+    public void addRenderListener(final RenderListener renderListener) {
+        this.workerHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                renderListeners.add(renderListener);
+            }
+        });
+    }
+
+    public void removeRenderListener(final RenderListener renderListener) {
+        this.workerHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                renderListeners.remove(renderListener);
+            }
+        });
+    }
+
+    public void stopIfNeeded() {
+        this.workerHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                if (renderListeners.size() == 0) {
+                    stop();
+                }
+            }
+        });
+    }
+
+    public Rect getBounds() {
+        if (fullRect == null) {
+            if (mState == State.FINISHING) {
+                Log.e(TAG, "In finishing,do not interrupt");
+            }
+            final Thread thread = Thread.currentThread();
+            workerHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    try {
+                        if (fullRect == null) {
+                            if (mReader == null) {
+                                mReader = getReader(mLoader.obtain());
+                            } else {
+                                mReader.reset();
+                            }
+                            initCanvasBounds(read(mReader));
+                        }
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                        fullRect = RECT_EMPTY;
+                    } finally {
+                        LockSupport.unpark(thread);
+                    }
+                }
+            });
+            LockSupport.park(thread);
+        }
+        return fullRect;
+    }
+
+    private void initCanvasBounds(Rect rect) {
+        fullRect = rect;
+        frameBuffer = ByteBuffer.allocate((rect.width() * rect.height() / (sampleSize * sampleSize) + 1) * 4);
+        if (mWriter == null) {
+            mWriter = getWriter();
+        }
+    }
+
+
+    private int getFrameCount() {
+        return this.frames.size();
+    }
+
+    /**
+     * @return Loop Count defined in file
+     */
+    protected abstract int getLoopCount();
+
+    public void start() {
+        if (fullRect == RECT_EMPTY) {
+            return;
+        }
+        if (mState == State.RUNNING || mState == State.INITIALIZING) {
+            Log.i(TAG, debugInfo() + " Already started");
+            return;
+        }
+        if (mState == State.FINISHING) {
+            Log.e(TAG, debugInfo() + " Processing,wait for finish at " + mState);
+        }
+        mState = State.INITIALIZING;
+        if (Looper.myLooper() == workerHandler.getLooper()) {
+            innerStart();
+        } else {
+            workerHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    innerStart();
+                }
+            });
+        }
+    }
+
+    @WorkerThread
+    private void innerStart() {
+        paused.compareAndSet(true, false);
+
+        final long start = System.currentTimeMillis();
+        try {
+            if (frames.size() == 0) {
+                try {
+                    if (mReader == null) {
+                        mReader = getReader(mLoader.obtain());
+                    } else {
+                        mReader.reset();
+                    }
+                    initCanvasBounds(read(mReader));
+                } catch (Throwable e) {
+                    e.printStackTrace();
+                }
+            }
+        } finally {
+            Log.i(TAG, debugInfo() + " Set state to RUNNING,cost " + (System.currentTimeMillis() - start));
+            mState = State.RUNNING;
+        }
+        if (getNumPlays() == 0 || !finished) {
+            this.frameIndex = -1;
+            renderTask.run();
+            for (RenderListener renderListener : renderListeners) {
+                renderListener.onStart();
+            }
+        } else {
+            Log.i(TAG, debugInfo() + " No need to started");
+        }
+    }
+
+    @WorkerThread
+    private void innerStop() {
+        workerHandler.removeCallbacks(renderTask);
+        frames.clear();
+        for (Bitmap bitmap : cacheBitmaps) {
+            if (bitmap != null && !bitmap.isRecycled()) {
+                bitmap.recycle();
+            }
+        }
+        cacheBitmaps.clear();
+        if (frameBuffer != null) {
+            frameBuffer = null;
+        }
+        cachedCanvas.clear();
+        try {
+            if (mReader != null) {
+                mReader.close();
+                mReader = null;
+            }
+            if (mWriter != null) {
+                mWriter.close();
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        release();
+        mState = State.IDLE;
+        for (RenderListener renderListener : renderListeners) {
+            renderListener.onEnd();
+        }
+    }
+
+    public void stop() {
+        if (fullRect == RECT_EMPTY) {
+            return;
+        }
+        if (mState == State.FINISHING || mState == State.IDLE) {
+            Log.i(TAG, debugInfo() + "No need to stop");
+            return;
+        }
+        if (mState == State.INITIALIZING) {
+            Log.e(TAG, debugInfo() + "Processing,wait for finish at " + mState);
+        }
+        mState = State.FINISHING;
+        if (Looper.myLooper() == workerHandler.getLooper()) {
+            innerStop();
+        } else {
+            workerHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    innerStop();
+                }
+            });
+        }
+    }
+
+    private String debugInfo() {
+        return "";
+    }
+
+    protected abstract void release();
+
+    public boolean isRunning() {
+        return mState == State.RUNNING || mState == State.INITIALIZING;
+    }
+
+    public boolean isPaused() {
+        return paused.get();
+    }
+
+    public void setLoopLimit(int limit) {
+        this.loopLimit = limit;
+    }
+
+    public void reset() {
+        this.playCount = 0;
+        this.frameIndex = -1;
+        this.finished = false;
+    }
+
+    public void pause() {
+        workerHandler.removeCallbacks(renderTask);
+        paused.compareAndSet(false, true);
+    }
+
+    public void resume() {
+        paused.compareAndSet(true, false);
+        workerHandler.removeCallbacks(renderTask);
+        workerHandler.post(renderTask);
+    }
+
+
+    public int getSampleSize() {
+        return sampleSize;
+    }
+
+    public boolean setDesiredSize(int width, int height) {
+        boolean sampleSizeChanged = false;
+        int sample = getDesiredSample(width, height);
+        if (sample != this.sampleSize) {
+            this.sampleSize = sample;
+            sampleSizeChanged = true;
+            final boolean tempRunning = isRunning();
+            workerHandler.removeCallbacks(renderTask);
+            workerHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    innerStop();
+                    try {
+                        initCanvasBounds(read(getReader(mLoader.obtain())));
+                        if (tempRunning) {
+                            innerStart();
+                        }
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                }
+            });
+        }
+        return sampleSizeChanged;
+    }
+
+    protected int getDesiredSample(int desiredWidth, int desiredHeight) {
+        if (desiredWidth == 0 || desiredHeight == 0) {
+            return 1;
+        }
+        int radio = Math.min(getBounds().width() / desiredWidth, getBounds().height() / desiredHeight);
+        int sample = 1;
+        while ((sample * 2) <= radio) {
+            sample *= 2;
+        }
+        return sample;
+    }
+
+    protected abstract Rect read(R reader) throws IOException;
+
+    private int getNumPlays() {
+        return this.loopLimit != null ? this.loopLimit : this.getLoopCount();
+    }
+
+    private boolean canStep() {
+        if (!isRunning()) {
+            return false;
+        }
+        if (frames.size() == 0) {
+            return false;
+        }
+        if (getNumPlays() <= 0) {
+            return true;
+        }
+        if (this.playCount < getNumPlays() - 1) {
+            return true;
+        } else if (this.playCount == getNumPlays() - 1 && this.frameIndex < this.getFrameCount() - 1) {
+            return true;
+        }
+        finished = true;
+        return false;
+    }
+
+    @WorkerThread
+    private long step() {
+        this.frameIndex++;
+        if (this.frameIndex >= this.getFrameCount()) {
+            this.frameIndex = 0;
+            this.playCount++;
+        }
+        Frame frame = getFrame(this.frameIndex);
+        if (frame == null) {
+            return 0;
+        }
+        renderFrame(frame);
+        return frame.frameDuration;
+    }
+
+    protected abstract void renderFrame(Frame frame);
+
+    private Frame getFrame(int index) {
+        if (index < 0 || index >= frames.size()) {
+            return null;
+        }
+        return frames.get(index);
+    }
+
+    /**
+     * Get Indexed frame
+     *
+     * @param index <0 means reverse from last index
+     */
+    public Bitmap getFrameBitmap(int index) throws IOException {
+        if (mState != State.IDLE) {
+            Log.e(TAG, debugInfo() + ",stop first");
+            return null;
+        }
+        mState = State.RUNNING;
+        paused.compareAndSet(true, false);
+        if (frames.size() == 0) {
+            if (mReader == null) {
+                mReader = getReader(mLoader.obtain());
+            } else {
+                mReader.reset();
+            }
+            initCanvasBounds(read(mReader));
+        }
+        if (index < 0) {
+            index += this.frames.size();
+        }
+        if (index < 0) {
+            index = 0;
+        }
+        frameIndex = -1;
+        while (frameIndex < index) {
+            if (canStep()) {
+                step();
+            } else {
+                break;
+            }
+        }
+        frameBuffer.rewind();
+        Bitmap bitmap = Bitmap.createBitmap(getBounds().width() / getSampleSize(), getBounds().height() / getSampleSize(), Bitmap.Config.ARGB_8888);
+        bitmap.copyPixelsFromBuffer(frameBuffer);
+        innerStop();
+        return bitmap;
+    }
+}

app/src/main/java/org/signal/glide/common/executor/FrameDecoderExecutor.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.executor;
+
+import android.os.HandlerThread;
+import android.os.Looper;
+
+import java.util.ArrayList;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * @Description: com.github.penfeizhou.animation.executor
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-11-21
+ */
+public class FrameDecoderExecutor {
+    private static int sPoolNumber = 4;
+    private ArrayList<HandlerThread> mHandlerThreadGroup = new ArrayList<>();
+    private AtomicInteger counter = new AtomicInteger(0);
+
+    private FrameDecoderExecutor() {
+    }
+
+    static class Inner {
+        static final FrameDecoderExecutor sInstance = new FrameDecoderExecutor();
+    }
+
+    public void setPoolSize(int size) {
+        sPoolNumber = size;
+    }
+
+    public static FrameDecoderExecutor getInstance() {
+        return Inner.sInstance;
+    }
+
+    public Looper getLooper(int taskId) {
+        int idx = taskId % sPoolNumber;
+        if (idx >= mHandlerThreadGroup.size()) {
+            HandlerThread handlerThread = new HandlerThread("FrameDecoderExecutor-" + idx);
+            handlerThread.start();
+
+            mHandlerThreadGroup.add(handlerThread);
+            Looper looper = handlerThread.getLooper();
+            if (looper != null) {
+                return looper;
+            } else {
+                return Looper.getMainLooper();
+            }
+        } else {
+            if (mHandlerThreadGroup.get(idx) != null) {
+                Looper looper = mHandlerThreadGroup.get(idx).getLooper();
+                if (looper != null) {
+                    return looper;
+                } else {
+                    return Looper.getMainLooper();
+                }
+            } else {
+                return Looper.getMainLooper();
+            }
+        }
+    }
+
+    public int generateTaskId() {
+        return counter.getAndIncrement();
+    }
+}
+

app/src/main/java/org/signal/glide/common/io/ByteBufferReader.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.io;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.ByteBuffer;
+
+/**
+ * @Description: APNG4Android
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-14
+ */
+public class ByteBufferReader implements Reader {
+
+    private final ByteBuffer byteBuffer;
+
+    public ByteBufferReader(ByteBuffer byteBuffer) {
+        this.byteBuffer = byteBuffer;
+        byteBuffer.position(0);
+    }
+
+    @Override
+    public long skip(long total) throws IOException {
+        byteBuffer.position((int) (byteBuffer.position() + total));
+        return total;
+    }
+
+    @Override
+    public byte peek() throws IOException {
+        return byteBuffer.get();
+    }
+
+    @Override
+    public void reset() throws IOException {
+        byteBuffer.position(0);
+    }
+
+    @Override
+    public int position() {
+        return byteBuffer.position();
+    }
+
+    @Override
+    public int read(byte[] buffer, int start, int byteCount) throws IOException {
+        byteBuffer.get(buffer, start, byteCount);
+        return byteCount;
+    }
+
+    @Override
+    public int available() throws IOException {
+        return byteBuffer.limit() - byteBuffer.position();
+    }
+
+    @Override
+    public void close() throws IOException {
+    }
+
+    @Override
+    public InputStream toInputStream() throws IOException {
+        return new ByteArrayInputStream(byteBuffer.array());
+    }
+}

app/src/main/java/org/signal/glide/common/io/ByteBufferWriter.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.io;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+
+/**
+ * @Description: ByteBufferWriter
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-12
+ */
+public class ByteBufferWriter implements Writer {
+
+    protected ByteBuffer byteBuffer;
+
+    public ByteBufferWriter() {
+        reset(10 * 1024);
+    }
+
+    @Override
+    public void putByte(byte b) {
+        byteBuffer.put(b);
+    }
+
+    @Override
+    public void putBytes(byte[] b) {
+        byteBuffer.put(b);
+    }
+
+    @Override
+    public int position() {
+        return byteBuffer.position();
+    }
+
+    @Override
+    public void skip(int length) {
+        byteBuffer.position(length + position());
+    }
+
+    @Override
+    public byte[] toByteArray() {
+        return byteBuffer.array();
+    }
+
+    @Override
+    public void close() {
+    }
+
+    @Override
+    public void reset(int size) {
+        if (byteBuffer == null || size > byteBuffer.capacity()) {
+            byteBuffer = ByteBuffer.allocate(size);
+            this.byteBuffer.order(ByteOrder.LITTLE_ENDIAN);
+        }
+        byteBuffer.clear();
+    }
+}

app/src/main/java/org/signal/glide/common/io/FileReader.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.io;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+/**
+ * @Description: FileReader
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-23
+ */
+public class FileReader extends FilterReader {
+    private final File mFile;
+
+    public FileReader(File file) throws IOException {
+        super(new StreamReader(new FileInputStream(file)));
+        mFile = file;
+    }
+
+    @Override
+    public void reset() throws IOException {
+        reader.close();
+        reader = new StreamReader(new FileInputStream(mFile));
+    }
+}

app/src/main/java/org/signal/glide/common/io/FilterReader.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.io;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * @Description: FilterReader
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-23
+ */
+public class FilterReader implements Reader {
+    protected Reader reader;
+
+    public FilterReader(Reader in) {
+        this.reader = in;
+    }
+
+    @Override
+    public long skip(long total) throws IOException {
+        return reader.skip(total);
+    }
+
+    @Override
+    public byte peek() throws IOException {
+        return reader.peek();
+    }
+
+    @Override
+    public void reset() throws IOException {
+        reader.reset();
+    }
+
+    @Override
+    public int position() {
+        return reader.position();
+    }
+
+    @Override
+    public int read(byte[] buffer, int start, int byteCount) throws IOException {
+        return reader.read(buffer, start, byteCount);
+    }
+
+    @Override
+    public int available() throws IOException {
+        return reader.available();
+    }
+
+    @Override
+    public void close() throws IOException {
+        reader.close();
+    }
+
+    @Override
+    public InputStream toInputStream() throws IOException {
+        reset();
+        return reader.toInputStream();
+    }
+}

app/src/main/java/org/signal/glide/common/io/Reader.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.io;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * @link {https://developers.google.com/speed/webp/docs/riff_container#terminology_basics}
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-11
+ */
+public interface Reader {
+    long skip(long total) throws IOException;
+
+    byte peek() throws IOException;
+
+    void reset() throws IOException;
+
+    int position();
+
+    int read(byte[] buffer, int start, int byteCount) throws IOException;
+
+    int available() throws IOException;
+
+    /**
+     * close io
+     */
+    void close() throws IOException;
+
+    InputStream toInputStream() throws IOException;
+}

app/src/main/java/org/signal/glide/common/io/StreamReader.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.io;
+
+import java.io.FilterInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-11
+ */
+public class StreamReader extends FilterInputStream implements Reader {
+    private int position;
+
+    public StreamReader(InputStream in) {
+        super(in);
+        try {
+            in.reset();
+        } catch (IOException e) {
+            // e.printStackTrace();
+        }
+    }
+
+    @Override
+    public byte peek() throws IOException {
+        byte ret = (byte) read();
+        position++;
+        return ret;
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+        int ret = super.read(b, off, len);
+        position += Math.max(0, ret);
+        return ret;
+    }
+
+    @Override
+    public synchronized void reset() throws IOException {
+        super.reset();
+        position = 0;
+    }
+
+    @Override
+    public long skip(long n) throws IOException {
+        long ret = super.skip(n);
+        position += ret;
+        return ret;
+    }
+
+    @Override
+    public int position() {
+        return position;
+    }
+
+    @Override
+    public InputStream toInputStream() throws IOException {
+        return this;
+    }
+}

app/src/main/java/org/signal/glide/common/io/Writer.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.io;
+
+import java.io.IOException;
+
+/**
+ * @Description: APNG4Android
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-12
+ */
+public interface Writer {
+    void reset(int size);
+
+    void putByte(byte b);
+
+    void putBytes(byte[] b);
+
+    int position();
+
+    void skip(int length);
+
+    byte[] toByteArray();
+
+    void close() throws IOException;
+}

app/src/main/java/org/signal/glide/common/loader/AssetStreamLoader.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.loader;
+
+import android.content.Context;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * @Description: 从Asset中读取流
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/28
+ */
+public class AssetStreamLoader extends StreamLoader {
+
+    private final Context mContext;
+    private final String mAssetName;
+
+    public AssetStreamLoader(Context context, String assetName) {
+        mContext = context.getApplicationContext();
+        mAssetName = assetName;
+    }
+
+    @Override
+    protected InputStream getInputStream() throws IOException {
+        return mContext.getAssets().open(mAssetName);
+    }
+}

app/src/main/java/org/signal/glide/common/loader/ByteBufferLoader.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.loader;
+
+import org.signal.glide.common.io.ByteBufferReader;
+import org.signal.glide.common.io.Reader;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+/**
+ * @Description: ByteBufferLoader
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-15
+ */
+public abstract class ByteBufferLoader implements Loader {
+    public abstract ByteBuffer getByteBuffer();
+
+    @Override
+    public Reader obtain() throws IOException {
+        return new ByteBufferReader(getByteBuffer());
+    }
+}

app/src/main/java/org/signal/glide/common/loader/FileLoader.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.loader;
+
+import org.signal.glide.common.io.FileReader;
+import org.signal.glide.common.io.Reader;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * @Description: 从文件加载流
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/28
+ */
+public class FileLoader implements Loader {
+
+    private final File mFile;
+    private Reader mReader;
+
+    public FileLoader(String path) {
+        mFile = new File(path);
+    }
+
+    @Override
+    public synchronized Reader obtain() throws IOException {
+        return new FileReader(mFile);
+    }
+}

app/src/main/java/org/signal/glide/common/loader/Loader.java

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.loader;
+
+import org.signal.glide.common.io.Reader;
+
+import java.io.IOException;
+
+/**
+ * @Description: Loader
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-05-14
+ */
+public interface Loader {
+    Reader obtain() throws IOException;
+}

app/src/main/java/org/signal/glide/common/loader/ResourceStreamLoader.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.loader;
+
+import android.content.Context;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * @Description: 从资源加载流
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/28
+ */
+public class ResourceStreamLoader extends StreamLoader {
+    private final Context mContext;
+    private final int mResId;
+
+
+    public ResourceStreamLoader(Context context, int resId) {
+        mContext = context.getApplicationContext();
+        mResId = resId;
+    }
+
+    @Override
+    protected InputStream getInputStream() throws IOException {
+        return mContext.getResources().openRawResource(mResId);
+    }
+}

app/src/main/java/org/signal/glide/common/loader/StreamLoader.java

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2019 Zhou Pengfei
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.signal.glide.common.loader;
+
+import org.signal.glide.common.io.Reader;
+import org.signal.glide.common.io.StreamReader;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019/3/28
+ */
+public abstract class StreamLoader implements Loader {
+    protected abstract InputStream getInputStream() throws IOException;
+
+
+    public final synchronized Reader obtain() throws IOException {
+        return new StreamReader(getInputStream());
+    }
+}

app/src/main/java/org/thoughtcrime/securesms/AppCapabilities.java

@@ -1,7 +1,6 @@
 package org.thoughtcrime.securesms;
 
-import org.thoughtcrime.securesms.util.FeatureFlags;
-import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
+import org.whispersystems.signalservice.api.account.AccountAttributes;
 
 public final class AppCapabilities {
 
@@ -9,12 +8,13 @@ public final class AppCapabilities {
   }
 
   private static final boolean UUID_CAPABLE = false;
+  private static final boolean GV2_CAPABLE  = true;
 
   /**
    * @param storageCapable Whether or not the user can use storage service. This is another way of
    *                       asking if the user has set a Signal PIN or not.
    */
-  public static SignalServiceProfile.Capabilities getCapabilities(boolean storageCapable) {
-    return new SignalServiceProfile.Capabilities(UUID_CAPABLE, FeatureFlags.groupsV2(), storageCapable);
+  public static AccountAttributes.Capabilities getCapabilities(boolean storageCapable) {
+    return new AccountAttributes.Capabilities(UUID_CAPABLE, GV2_CAPABLE, storageCapable);
   }
 }

app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java

@@ -22,6 +22,7 @@ import android.os.AsyncTask;
 import android.os.Build;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatDelegate;
 import androidx.lifecycle.DefaultLifecycleObserver;
 import androidx.lifecycle.LifecycleOwner;
@@ -32,6 +33,7 @@ import com.google.android.gms.security.ProviderInstaller;
 
 import org.conscrypt.Conscrypt;
 import org.signal.aesgcmprovider.AesGcmProvider;
+import org.signal.glide.SignalGlideCodecs;
 import org.signal.ringrtc.CallManager;
 import org.thoughtcrime.securesms.components.TypingStatusRepository;
 import org.thoughtcrime.securesms.components.TypingStatusSender;
@@ -45,12 +47,13 @@ import org.thoughtcrime.securesms.jobs.FcmRefreshJob;
 import org.thoughtcrime.securesms.jobs.MultiDeviceContactUpdateJob;
 import org.thoughtcrime.securesms.jobs.PushNotificationReceiveJob;
 import org.thoughtcrime.securesms.jobs.RefreshPreKeysJob;
+import org.thoughtcrime.securesms.jobs.RetrieveProfileJob;
+import org.thoughtcrime.securesms.keyvalue.SignalStore;
 import org.thoughtcrime.securesms.logging.AndroidLogger;
 import org.thoughtcrime.securesms.logging.CustomSignalProtocolLogger;
 import org.thoughtcrime.securesms.logging.Log;
 import org.thoughtcrime.securesms.logging.PersistentLogger;
 import org.thoughtcrime.securesms.logging.SignalUncaughtExceptionHandler;
-import org.thoughtcrime.securesms.messages.InitialMessageRetriever;
 import org.thoughtcrime.securesms.migrations.ApplicationMigrations;
 import org.thoughtcrime.securesms.notifications.NotificationChannels;
 import org.thoughtcrime.securesms.providers.BlobProvider;
@@ -60,7 +63,6 @@ import org.thoughtcrime.securesms.revealable.ViewOnceMessageManager;
 import org.thoughtcrime.securesms.ringrtc.RingRtcLogger;
 import org.thoughtcrime.securesms.service.DirectoryRefreshListener;
 import org.thoughtcrime.securesms.service.ExpiringMessageManager;
-import org.thoughtcrime.securesms.messages.IncomingMessageObserver;
 import org.thoughtcrime.securesms.service.KeyCachingService;
 import org.thoughtcrime.securesms.service.LocalBackupListener;
 import org.thoughtcrime.securesms.service.RotateSenderCertificateListener;
@@ -69,6 +71,7 @@ import org.thoughtcrime.securesms.service.UpdateApkRefreshListener;
 import org.thoughtcrime.securesms.storage.StorageSyncHelper;
 import org.thoughtcrime.securesms.util.FeatureFlags;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
+import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.util.concurrent.SignalExecutors;
 import org.thoughtcrime.securesms.util.dynamiclanguage.DynamicLanguageContextWrapper;
 import org.webrtc.voiceengine.WebRtcAudioManager;
@@ -96,7 +99,6 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
   private ViewOnceMessageManager   viewOnceMessageManager;
   private TypingStatusRepository   typingStatusRepository;
   private TypingStatusSender       typingStatusSender;
-  private IncomingMessageObserver  incomingMessageObserver;
   private PersistentLogger         persistentLogger;
 
   private volatile boolean isAppVisible;
@@ -107,10 +109,11 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
 
   @Override
   public void onCreate() {
+    long startTime = System.currentTimeMillis();
     super.onCreate();
-    Log.i(TAG, "onCreate()");
     initializeSecurityProvider();
     initializeLogging();
+    Log.i(TAG, "onCreate()");
     initializeCrashHandling();
     initializeAppDependencies();
     initializeFirstEverAppLaunch();
@@ -128,12 +131,13 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
     initializePendingMessages();
     initializeBlobProvider();
     initializeCleanup();
+    initializeGlideCodecs();
 
     FeatureFlags.init();
     NotificationChannels.create(this);
     RefreshPreKeysJob.scheduleIfNecessary();
     StorageSyncHelper.scheduleRoutineSync();
-    RegistrationUtil.markRegistrationPossiblyComplete();
+    RegistrationUtil.maybeMarkRegistrationComplete(this);
     ProcessLifecycleOwner.get().getLifecycle().addObserver(this);
 
     if (Build.VERSION.SDK_INT < 21) {
@@ -141,6 +145,7 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
     }
 
     ApplicationDependencies.getJobManager().beginJobLoop();
+    Log.d(TAG, "onCreate() took " + (System.currentTimeMillis() - startTime) + " ms");
   }
 
   @Override
@@ -149,11 +154,12 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
     Log.i(TAG, "App is now visible.");
     FeatureFlags.refreshIfNecessary();
     ApplicationDependencies.getRecipientCache().warmUp();
+    RetrieveProfileJob.enqueueRoutineFetchIfNecessary(this);
     executePendingContactSync();
     KeyCachingService.onAppForegrounded(this);
     ApplicationDependencies.getFrameRateTracker().begin();
     ApplicationDependencies.getMegaphoneRepository().onAppForegrounded();
-    catchUpOnMessages();
+    checkBuildExpiration();
   }
 
   @Override
@@ -189,6 +195,13 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
     return persistentLogger;
   }
 
+  public void checkBuildExpiration() {
+    if (Util.getTimeUntilBuildExpiry() <= 0 && !SignalStore.misc().isClientDeprecated()) {
+      Log.w(TAG, "Build expired!");
+      SignalStore.misc().markClientDeprecated();
+    }
+  }
+
   private void initializeSecurityProvider() {
     try {
       Class.forName("org.signal.aesgcmprovider.AesGcmCipher");
@@ -230,7 +243,7 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
   }
 
   public void initializeMessageRetrieval() {
-    this.incomingMessageObserver = new IncomingMessageObserver(this);
+    ApplicationDependencies.getIncomingMessageObserver();
   }
 
   private void initializeAppDependencies() {
@@ -378,32 +391,31 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
     });
   }
 
-  private void catchUpOnMessages() {
-    InitialMessageRetriever retriever = ApplicationDependencies.getInitialMessageRetriever();
+  private void initializeGlideCodecs() {
+    SignalGlideCodecs.setLogProvider(new org.signal.glide.Log.Provider() {
+      @Override
+      public void v(@NonNull String tag, @NonNull String message) {
+        Log.v(tag, message);
+      }
 
-    if (retriever.isCaughtUp()) {
-      return;
-    }
+      @Override
+      public void d(@NonNull String tag, @NonNull String message) {
+        Log.d(tag, message);
+      }
 
-    SignalExecutors.UNBOUNDED.execute(() -> {
-      long startTime = System.currentTimeMillis();
+      @Override
+      public void i(@NonNull String tag, @NonNull String message) {
+        Log.i(tag, message);
+      }
 
-      switch (retriever.begin(TimeUnit.SECONDS.toMillis(60))) {
-        case SUCCESS:
-          Log.i(TAG, "Successfully caught up on messages. " + (System.currentTimeMillis() - startTime) + " ms");
-          break;
-        case FAILURE_TIMEOUT:
-          Log.w(TAG, "Did not finish catching up due to a timeout. " + (System.currentTimeMillis() - startTime) + " ms");
-          break;
-        case FAILURE_ERROR:
-          Log.w(TAG, "Did not finish catching up due to an error. " + (System.currentTimeMillis() - startTime) + " ms");
-          break;
-        case SKIPPED_ALREADY_CAUGHT_UP:
-          Log.i(TAG, "Already caught up. " + (System.currentTimeMillis() - startTime) + " ms");
-          break;
-        case SKIPPED_ALREADY_RUNNING:
-          Log.i(TAG, "Already in the process of catching up. " + (System.currentTimeMillis() - startTime) + " ms");
-          break;
+      @Override
+      public void w(@NonNull String tag, @NonNull String message) {
+        Log.w(tag, message);
+      }
+
+      @Override
+      public void e(@NonNull String tag, @NonNull String message, @Nullable Throwable throwable) {
+        Log.e(tag, message, throwable);
       }
     });
   }

app/src/main/java/org/thoughtcrime/securesms/ApplicationPreferencesActivity.java

@@ -17,12 +17,15 @@
  */
 package org.thoughtcrime.securesms;
 
+import android.app.AlertDialog;
+import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.PorterDuff;
 import android.os.Build;
 import android.os.Bundle;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
@@ -30,6 +33,7 @@ import androidx.fragment.app.FragmentTransaction;
 import androidx.preference.Preference;
 
 import org.thoughtcrime.securesms.help.HelpFragment;
+import org.thoughtcrime.securesms.keyvalue.SignalStore;
 import org.thoughtcrime.securesms.preferences.AdvancedPreferenceFragment;
 import org.thoughtcrime.securesms.preferences.AppProtectionPreferenceFragment;
 import org.thoughtcrime.securesms.preferences.AppearancePreferenceFragment;
@@ -39,10 +43,14 @@ import org.thoughtcrime.securesms.preferences.NotificationsPreferenceFragment;
 import org.thoughtcrime.securesms.preferences.SmsMmsPreferenceFragment;
 import org.thoughtcrime.securesms.preferences.StoragePreferenceFragment;
 import org.thoughtcrime.securesms.preferences.widgets.ProfilePreference;
+import org.thoughtcrime.securesms.preferences.widgets.UsernamePreference;
 import org.thoughtcrime.securesms.profiles.edit.EditProfileActivity;
+import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.service.KeyCachingService;
+import org.thoughtcrime.securesms.util.CommunicationActions;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.DynamicTheme;
+import org.thoughtcrime.securesms.util.FeatureFlags;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.ThemeUtil;
 
@@ -53,13 +61,14 @@ import org.thoughtcrime.securesms.util.ThemeUtil;
  *
  */
 
-public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarActivity
+public class ApplicationPreferencesActivity extends PassphraseRequiredActivity
     implements SharedPreferences.OnSharedPreferenceChangeListener
 {
   @SuppressWarnings("unused")
   private static final String TAG = ApplicationPreferencesActivity.class.getSimpleName();
 
   private static final String PREFERENCE_CATEGORY_PROFILE        = "preference_category_profile";
+  private static final String PREFERENCE_CATEGORY_USERNAME       = "preference_category_username";
   private static final String PREFERENCE_CATEGORY_SMS_MMS        = "preference_category_sms_mms";
   private static final String PREFERENCE_CATEGORY_NOTIFICATIONS  = "preference_category_notifications";
   private static final String PREFERENCE_CATEGORY_APP_PROTECTION = "preference_category_app_protection";
@@ -69,6 +78,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
   private static final String PREFERENCE_CATEGORY_DEVICES        = "preference_category_devices";
   private static final String PREFERENCE_CATEGORY_HELP           = "preference_category_help";
   private static final String PREFERENCE_CATEGORY_ADVANCED       = "preference_category_advanced";
+  private static final String PREFERENCE_CATEGORY_DONATE         = "preference_category_donate";
 
   private final DynamicTheme    dynamicTheme    = new DynamicTheme();
   private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
@@ -134,6 +144,14 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
     }
   }
 
+  public void pushFragment(@NonNull Fragment fragment) {
+    getSupportFragmentManager().beginTransaction()
+                               .setCustomAnimations(R.anim.slide_from_end, R.anim.slide_to_start, R.anim.slide_from_start, R.anim.slide_to_end)
+                               .replace(android.R.id.content, fragment)
+                               .addToBackStack(null)
+                               .commit();
+  }
+
   public static class ApplicationPreferenceFragment extends CorrectedPreferenceFragment {
 
     @Override
@@ -142,6 +160,8 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
 
       this.findPreference(PREFERENCE_CATEGORY_PROFILE)
           .setOnPreferenceClickListener(new ProfileClickListener());
+      this.findPreference(PREFERENCE_CATEGORY_USERNAME)
+          .setOnPreferenceClickListener(new UsernameClickListener());
       this.findPreference(PREFERENCE_CATEGORY_SMS_MMS)
         .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_SMS_MMS));
       this.findPreference(PREFERENCE_CATEGORY_NOTIFICATIONS)
@@ -159,7 +179,9 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
       this.findPreference(PREFERENCE_CATEGORY_HELP)
           .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_HELP));
       this.findPreference(PREFERENCE_CATEGORY_ADVANCED)
-        .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_ADVANCED));
+          .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_ADVANCED));
+      this.findPreference(PREFERENCE_CATEGORY_DONATE)
+          .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_DONATE));
 
       tintIcons();
     }
@@ -174,6 +196,24 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
     @Override
     public void onCreatePreferences(@Nullable Bundle savedInstanceState, String rootKey) {
       addPreferencesFromResource(R.xml.preferences);
+
+      if (FeatureFlags.usernames()) {
+        UsernamePreference pref = (UsernamePreference) findPreference(PREFERENCE_CATEGORY_USERNAME);
+        pref.setVisible(shouldDisplayUsernameReminder());
+        pref.setOnLongClickListener(v -> {
+          new AlertDialog.Builder(requireContext())
+                         .setMessage(R.string.ApplicationPreferencesActivity_hide_reminder)
+                         .setPositiveButton(R.string.ApplicationPreferencesActivity_hide, (dialog, which) -> {
+                           dialog.dismiss();
+                           SignalStore.misc().hideUsernameReminder();
+                             findPreference(PREFERENCE_CATEGORY_USERNAME).setVisible(false);
+                         })
+                         .setNegativeButton(android.R.string.cancel, ((dialog, which) -> dialog.dismiss()))
+                         .setCancelable(true)
+                         .show();
+          return true;
+        });
+      }
     }
 
     @Override
@@ -188,6 +228,11 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
     private void setCategorySummaries() {
       ((ProfilePreference)this.findPreference(PREFERENCE_CATEGORY_PROFILE)).refresh();
 
+      if (FeatureFlags.usernames()) {
+        this.findPreference(PREFERENCE_CATEGORY_USERNAME)
+            .setVisible(shouldDisplayUsernameReminder());
+      }
+
       this.findPreference(PREFERENCE_CATEGORY_SMS_MMS)
           .setSummary(SmsMmsPreferenceFragment.getSummary(getActivity()));
       this.findPreference(PREFERENCE_CATEGORY_NOTIFICATIONS)
@@ -207,6 +252,10 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
       }
     }
 
+    private static boolean shouldDisplayUsernameReminder() {
+      return FeatureFlags.usernames() && !Recipient.self().getUsername().isPresent() && SignalStore.misc().shouldShowUsernameReminder();
+    }
+
     private class CategoryClickListener implements Preference.OnPreferenceClickListener {
       private String category;
 
@@ -247,6 +296,9 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
         case PREFERENCE_CATEGORY_HELP:
           fragment = new HelpFragment();
           break;
+        case PREFERENCE_CATEGORY_DONATE:
+          CommunicationActions.openBrowserLink(requireContext(), getString(R.string.donate_url));
+          break;
         default:
           throw new AssertionError();
         }
@@ -255,14 +307,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
           Bundle args = new Bundle();
           fragment.setArguments(args);
 
-          FragmentManager     fragmentManager     = getActivity().getSupportFragmentManager();
-          FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
-
-          fragmentTransaction.setCustomAnimations(R.anim.slide_from_end, R.anim.slide_to_start, R.anim.slide_from_start, R.anim.slide_to_end);
-
-          fragmentTransaction.replace(android.R.id.content, fragment);
-          fragmentTransaction.addToBackStack(null);
-          fragmentTransaction.commit();
+          ((ApplicationPreferencesActivity) requireActivity()).pushFragment(fragment);
         }
 
         return true;
@@ -272,12 +317,15 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
     private class ProfileClickListener implements Preference.OnPreferenceClickListener {
       @Override
       public boolean onPreferenceClick(Preference preference) {
-        Intent intent = new Intent(preference.getContext(), EditProfileActivity.class);
-        intent.putExtra(EditProfileActivity.EXCLUDE_SYSTEM, true);
-        intent.putExtra(EditProfileActivity.DISPLAY_USERNAME, true);
-        intent.putExtra(EditProfileActivity.NEXT_BUTTON_TEXT, R.string.save);
+        requireActivity().startActivity(EditProfileActivity.getIntentForUserProfileEdit(preference.getContext()));
+        return true;
+      }
+    }
 
-        requireActivity().startActivity(intent);
+    private class UsernameClickListener implements Preference.OnPreferenceClickListener {
+      @Override
+      public boolean onPreferenceClick(Preference preference) {
+        requireActivity().startActivity(EditProfileActivity.getIntentForUsernameEdit(preference.getContext()));
         return true;
       }
     }

app/src/main/java/org/thoughtcrime/securesms/AvatarPreviewActivity.java

@@ -3,23 +3,28 @@ package org.thoughtcrime.securesms;
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
 import android.graphics.drawable.Drawable;
+import android.os.Build;
 import android.os.Bundle;
+import android.transition.TransitionInflater;
 import android.view.View;
-import android.view.Window;
-import android.view.WindowManager;
 import android.widget.ImageView;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.widget.Toolbar;
 import androidx.core.app.ActivityOptionsCompat;
+import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory;
 
 import com.bumptech.glide.load.DataSource;
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
 import com.bumptech.glide.load.engine.GlideException;
 import com.bumptech.glide.request.RequestListener;
+import com.bumptech.glide.request.target.CustomTarget;
 import com.bumptech.glide.request.target.Target;
+import com.bumptech.glide.request.transition.Transition;
 
 import org.thoughtcrime.securesms.contacts.avatars.ContactPhoto;
 import org.thoughtcrime.securesms.contacts.avatars.FallbackContactPhoto;
@@ -29,11 +34,12 @@ import org.thoughtcrime.securesms.logging.Log;
 import org.thoughtcrime.securesms.mms.GlideApp;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientId;
+import org.thoughtcrime.securesms.util.FullscreenHelper;
 
 /**
  * Activity for displaying avatars full screen.
  */
-public final class AvatarPreviewActivity extends PassphraseRequiredActionBarActivity {
+public final class AvatarPreviewActivity extends PassphraseRequiredActivity {
 
   private static final String TAG = Log.tag(AvatarPreviewActivity.class);
 
@@ -58,17 +64,19 @@ public final class AvatarPreviewActivity extends PassphraseRequiredActionBarActi
     setTheme(R.style.TextSecure_MediaPreview);
     setContentView(R.layout.contact_photo_preview_activity);
 
-    Toolbar toolbar = findViewById(R.id.toolbar);
-    ImageView avatar = findViewById(R.id.avatar);
+    if (Build.VERSION.SDK_INT >= 21) {
+      postponeEnterTransition();
+      TransitionInflater inflater = TransitionInflater.from(this);
+      getWindow().setSharedElementEnterTransition(inflater.inflateTransition(R.transition.full_screen_avatar_image_enter_transition_set));
+      getWindow().setSharedElementReturnTransition(inflater.inflateTransition(R.transition.full_screen_avatar_image_return_transition_set));
+    }
+
+    Toolbar   toolbar = findViewById(R.id.toolbar);
+    ImageView avatar  = findViewById(R.id.avatar);
 
     setSupportActionBar(toolbar);
 
-    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
-                         WindowManager.LayoutParams.FLAG_FULLSCREEN);
-
-    showSystemUI();
-
-    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    requireSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
     Context     context     = getApplicationContext();
     RecipientId recipientId = RecipientId.from(getIntent().getStringExtra(RECIPIENT_ID_EXTRA));
@@ -79,69 +87,51 @@ public final class AvatarPreviewActivity extends PassphraseRequiredActionBarActi
       FallbackContactPhoto fallbackPhoto = recipient.isLocalNumber() ? new ResourceContactPhoto(R.drawable.ic_profile_outline_40, R.drawable.ic_profile_outline_20, R.drawable.ic_person_large)
                                                                      : recipient.getFallbackContactPhoto();
 
-      GlideApp.with(this).load(contactPhoto)
-                   .fallback(fallbackPhoto.asCallCard(this))
-                   .error(fallbackPhoto.asCallCard(this))
-                   .diskCacheStrategy(DiskCacheStrategy.ALL)
-                   .addListener(new RequestListener<Drawable>() {
-                     @Override
-                     public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<Drawable> target, boolean isFirstResource) {
-                       Log.w(TAG, "Unable to load avatar, or avatar removed, closing");
-                       finish();
-                       return false;
-                     }
+      Resources resources = this.getResources();
 
-                     @Override
-                     public boolean onResourceReady(Drawable resource, Object model, Target<Drawable> target, DataSource dataSource, boolean isFirstResource) {
-                       return false;
-                     }
-                   })
-                   .into(avatar);
+      GlideApp.with(this)
+              .asBitmap()
+              .load(contactPhoto)
+              .fallback(fallbackPhoto.asCallCard(this))
+              .error(fallbackPhoto.asCallCard(this))
+              .diskCacheStrategy(DiskCacheStrategy.ALL)
+              .addListener(new RequestListener<Bitmap>() {
+                @Override
+                public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<Bitmap> target, boolean isFirstResource) {
+                  Log.w(TAG, "Unable to load avatar, or avatar removed, closing");
+                  finish();
+                  return false;
+                }
 
-      toolbar.setTitle(recipient.toShortString(context));
+                @Override
+                public boolean onResourceReady(Bitmap resource, Object model, Target<Bitmap> target, DataSource dataSource, boolean isFirstResource) {
+                  return false;
+                }
+              })
+              .into(new CustomTarget<Bitmap>() {
+                @Override
+                public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
+                  avatar.setImageDrawable(RoundedBitmapDrawableFactory.create(resources, resource));
+                  if (Build.VERSION.SDK_INT >= 21) {
+                    startPostponedEnterTransition();
+                  }
+                }
+
+                @Override
+                public void onLoadCleared(@Nullable Drawable placeholder) {
+                }
+              });
+
+      toolbar.setTitle(recipient.getDisplayName(context));
     });
 
-    avatar.setOnClickListener(v -> toggleUiVisibility());
+    FullscreenHelper fullscreenHelper = new FullscreenHelper(this);
 
-    showAndHideWithSystemUI(getWindow(), findViewById(R.id.toolbar_layout));
-  }
+    findViewById(android.R.id.content).setOnClickListener(v -> fullscreenHelper.toggleUiVisibility());
 
-  private static void showAndHideWithSystemUI(@NonNull Window window, @NonNull View... views) {
-    window.getDecorView().setOnSystemUiVisibilityChangeListener(visibility -> {
-      boolean hide = (visibility & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
+    fullscreenHelper.configureToolbarSpacer(findViewById(R.id.toolbar_cutout_spacer));
 
-      for (View view : views) {
-        view.animate()
-            .alpha(hide ? 0 : 1)
-            .start();
-      }
-    });
-  }
-
-  private void toggleUiVisibility() {
-    int systemUiVisibility = getWindow().getDecorView().getSystemUiVisibility();
-    if ((systemUiVisibility & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0) {
-      showSystemUI();
-    } else {
-      hideSystemUI();
-    }
-  }
-
-  private void hideSystemUI() {
-    getWindow().getDecorView().setSystemUiVisibility(
-        View.SYSTEM_UI_FLAG_IMMERSIVE              |
-        View.SYSTEM_UI_FLAG_LAYOUT_STABLE          |
-        View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
-        View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN      |
-        View.SYSTEM_UI_FLAG_HIDE_NAVIGATION        |
-        View.SYSTEM_UI_FLAG_FULLSCREEN              );
-  }
-
-  private void showSystemUI() {
-    getWindow().getDecorView().setSystemUiVisibility(
-        View.SYSTEM_UI_FLAG_LAYOUT_STABLE          |
-        View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
-        View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN       );
+    fullscreenHelper.showAndHideWithSystemUI(getWindow(), findViewById(R.id.toolbar_layout));
   }
 
   @Override

app/src/main/java/org/thoughtcrime/securesms/BaseActionBarActivity.java

@@ -1,101 +0,0 @@
-package org.thoughtcrime.securesms;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.content.Intent;
-import android.os.Build;
-import android.os.Build.VERSION_CODES;
-import android.os.Bundle;
-import androidx.annotation.NonNull;
-import androidx.core.app.ActivityCompat;
-import androidx.core.app.ActivityOptionsCompat;
-import androidx.appcompat.app.AppCompatActivity;
-import android.view.KeyEvent;
-import android.view.View;
-import android.view.ViewConfiguration;
-import android.view.WindowManager;
-
-import org.thoughtcrime.securesms.logging.Log;
-import org.thoughtcrime.securesms.util.TextSecurePreferences;
-import org.thoughtcrime.securesms.util.dynamiclanguage.DynamicLanguageActivityHelper;
-import org.thoughtcrime.securesms.util.dynamiclanguage.DynamicLanguageContextWrapper;
-
-import java.lang.reflect.Field;
-
-
-public abstract class BaseActionBarActivity extends AppCompatActivity {
-  private static final String TAG = BaseActionBarActivity.class.getSimpleName();
-
-  @Override
-  protected void onCreate(Bundle savedInstanceState) {
-    if (BaseActivity.isMenuWorkaroundRequired()) {
-      forceOverflowMenu();
-    }
-    super.onCreate(savedInstanceState);
-  }
-
-  @Override
-  protected void onResume() {
-    super.onResume();
-    initializeScreenshotSecurity();
-    DynamicLanguageActivityHelper.recreateIfNotInCorrectLanguage(this, TextSecurePreferences.getLanguage(this));
-  }
-
-  @Override
-  public boolean onKeyDown(int keyCode, KeyEvent event) {
-    return (keyCode == KeyEvent.KEYCODE_MENU && BaseActivity.isMenuWorkaroundRequired()) || super.onKeyDown(keyCode, event);
-  }
-
-  @Override
-  public boolean onKeyUp(int keyCode, @NonNull KeyEvent event) {
-    if (keyCode == KeyEvent.KEYCODE_MENU && BaseActivity.isMenuWorkaroundRequired()) {
-      openOptionsMenu();
-      return true;
-    }
-    return super.onKeyUp(keyCode, event);
-  }
-
-  private void initializeScreenshotSecurity() {
-    if (TextSecurePreferences.isScreenSecurityEnabled(this)) {
-      getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
-    } else {
-      getWindow().clearFlags(WindowManager.LayoutParams.FLAG_SECURE);
-    }
-  }
-
-  /**
-   * Modified from: http://stackoverflow.com/a/13098824
-   */
-  private void forceOverflowMenu() {
-    try {
-      ViewConfiguration config       = ViewConfiguration.get(this);
-      Field             menuKeyField = ViewConfiguration.class.getDeclaredField("sHasPermanentMenuKey");
-      if(menuKeyField != null) {
-        menuKeyField.setAccessible(true);
-        menuKeyField.setBoolean(config, false);
-      }
-    } catch (IllegalAccessException e) {
-      Log.w(TAG, "Failed to force overflow menu.");
-    } catch (NoSuchFieldException e) {
-      Log.w(TAG, "Failed to force overflow menu.");
-    }
-  }
-
-  protected void startActivitySceneTransition(Intent intent, View sharedView, String transitionName) {
-    Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(this, sharedView, transitionName)
-                                         .toBundle();
-    ActivityCompat.startActivity(this, intent, bundle);
-  }
-
-  @TargetApi(VERSION_CODES.LOLLIPOP)
-  protected void setStatusBarColor(int color) {
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-      getWindow().setStatusBarColor(color);
-    }
-  }
-
-  @Override
-  protected void attachBaseContext(Context newBase) {
-    super.attachBaseContext(DynamicLanguageContextWrapper.updateContext(newBase, TextSecurePreferences.getLanguage(newBase)));
-  }
-}

app/src/main/java/org/thoughtcrime/securesms/BaseActivity.java

@@ -1,46 +1,97 @@
 package org.thoughtcrime.securesms;
 
+import android.annotation.TargetApi;
 import android.content.Context;
+import android.content.Intent;
 import android.os.Build;
-import android.os.Build.VERSION;
 import android.os.Build.VERSION_CODES;
-import androidx.annotation.NonNull;
-import androidx.fragment.app.FragmentActivity;
-import android.view.KeyEvent;
+import android.os.Bundle;
 
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.ActionBar;
+import androidx.core.app.ActivityCompat;
+import androidx.core.app.ActivityOptionsCompat;
+import androidx.appcompat.app.AppCompatActivity;
+import android.view.View;
+import android.view.WindowManager;
+
+import org.thoughtcrime.securesms.logging.Log;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.dynamiclanguage.DynamicLanguageActivityHelper;
 import org.thoughtcrime.securesms.util.dynamiclanguage.DynamicLanguageContextWrapper;
 
-public abstract class BaseActivity extends FragmentActivity {
-  @Override
-  public boolean onKeyDown(int keyCode, KeyEvent event) {
-    return (keyCode == KeyEvent.KEYCODE_MENU && isMenuWorkaroundRequired()) || super.onKeyDown(keyCode, event);
-  }
+import java.util.Objects;
+
+/**
+ * Base class for all activities. The vast majority of activities shouldn't extend this directly.
+ * Instead, they should extend {@link PassphraseRequiredActivity} so they're protected by
+ * screen lock.
+ */
+public abstract class BaseActivity extends AppCompatActivity {
+  private static final String TAG = Log.tag(BaseActivity.class);
 
   @Override
-  public boolean onKeyUp(int keyCode, @NonNull KeyEvent event) {
-    if (keyCode == KeyEvent.KEYCODE_MENU && isMenuWorkaroundRequired()) {
-      openOptionsMenu();
-      return true;
-    }
-    return super.onKeyUp(keyCode, event);
-  }
-
-  public static boolean isMenuWorkaroundRequired() {
-    return VERSION.SDK_INT < VERSION_CODES.KITKAT          &&
-           VERSION.SDK_INT > VERSION_CODES.GINGERBREAD_MR1 &&
-           ("LGE".equalsIgnoreCase(Build.MANUFACTURER) || "E6710".equalsIgnoreCase(Build.DEVICE));
+  protected void onCreate(Bundle savedInstanceState) {
+    logEvent("onCreate()");
+    super.onCreate(savedInstanceState);
   }
 
   @Override
   protected void onResume() {
     super.onResume();
+    initializeScreenshotSecurity();
     DynamicLanguageActivityHelper.recreateIfNotInCorrectLanguage(this, TextSecurePreferences.getLanguage(this));
   }
 
+  @Override
+  protected void onStart() {
+    logEvent("onStart()");
+    super.onStart();
+  }
+
+  @Override
+  protected void onStop() {
+    logEvent("onStop()");
+    super.onStop();
+  }
+
+  @Override
+  protected void onDestroy() {
+    logEvent("onDestroy()");
+    super.onDestroy();
+  }
+
+  private void initializeScreenshotSecurity() {
+    if (TextSecurePreferences.isScreenSecurityEnabled(this)) {
+      getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+    } else {
+      getWindow().clearFlags(WindowManager.LayoutParams.FLAG_SECURE);
+    }
+  }
+
+  protected void startActivitySceneTransition(Intent intent, View sharedView, String transitionName) {
+    Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(this, sharedView, transitionName)
+                                         .toBundle();
+    ActivityCompat.startActivity(this, intent, bundle);
+  }
+
+  @TargetApi(21)
+  protected void setStatusBarColor(int color) {
+    if (Build.VERSION.SDK_INT >= 21) {
+      getWindow().setStatusBarColor(color);
+    }
+  }
+
   @Override
   protected void attachBaseContext(Context newBase) {
     super.attachBaseContext(DynamicLanguageContextWrapper.updateContext(newBase, TextSecurePreferences.getLanguage(newBase)));
   }
+
+  private void logEvent(@NonNull String event) {
+    Log.d(TAG, "[" + Log.tag(getClass()) + "] " + event);
+  }
+
+  public final @NonNull ActionBar requireSupportActionBar() {
+    return Objects.requireNonNull(getSupportActionBar());
+  }
 }

app/src/main/java/org/thoughtcrime/securesms/BindableConversationItem.java

@@ -1,13 +1,15 @@
 package org.thoughtcrime.securesms;
 
+import android.view.View;
+
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import android.view.View;
+import androidx.lifecycle.LifecycleOwner;
 
 import org.thoughtcrime.securesms.contactshare.Contact;
+import org.thoughtcrime.securesms.conversation.ConversationMessage;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord;
-import org.thoughtcrime.securesms.database.model.ReactionRecord;
 import org.thoughtcrime.securesms.groups.GroupId;
 import org.thoughtcrime.securesms.linkpreview.LinkPreview;
 import org.thoughtcrime.securesms.mms.GlideRequests;
@@ -21,17 +23,18 @@ import java.util.Locale;
 import java.util.Set;
 
 public interface BindableConversationItem extends Unbindable {
-  void bind(@NonNull MessageRecord           messageRecord,
+  void bind(@NonNull LifecycleOwner lifecycleOwner,
+            @NonNull ConversationMessage messageRecord,
             @NonNull Optional<MessageRecord> previousMessageRecord,
             @NonNull Optional<MessageRecord> nextMessageRecord,
-            @NonNull GlideRequests           glideRequests,
-            @NonNull Locale                  locale,
-            @NonNull Set<MessageRecord>      batchSelected,
-            @NonNull Recipient               recipients,
-            @Nullable String                 searchQuery,
-                     boolean                 pulseHighlight);
+            @NonNull GlideRequests glideRequests,
+            @NonNull Locale locale,
+            @NonNull Set<ConversationMessage> batchSelected,
+            @NonNull Recipient recipients,
+            @Nullable String searchQuery,
+            boolean pulseMention);
 
-  MessageRecord getMessageRecord();
+  ConversationMessage getConversationMessage();
 
   void setEventListener(@Nullable EventListener listener);
 
@@ -45,7 +48,11 @@ public interface BindableConversationItem extends Unbindable {
     void onAddToContactsClicked(@NonNull Contact contact);
     void onMessageSharedContactClicked(@NonNull List<Recipient> choices);
     void onInviteSharedContactClicked(@NonNull List<Recipient> choices);
-    void onReactionClicked(long messageId, boolean isMms);
-    void onGroupMemberAvatarClicked(@NonNull RecipientId recipientId, @NonNull GroupId groupId);
+    void onReactionClicked(@NonNull View reactionTarget, long messageId, boolean isMms);
+    void onGroupMemberClicked(@NonNull RecipientId recipientId, @NonNull GroupId groupId);
+    void onMessageWithErrorClicked(@NonNull MessageRecord messageRecord);
+
+    /** @return true if handled, false if you want to let the normal url handling continue */
+    boolean onUrlClicked(@NonNull String url);
   }
 }

app/src/main/java/org/thoughtcrime/securesms/BindableConversationListItem.java

@@ -14,4 +14,7 @@ public interface BindableConversationListItem extends Unbindable {
             @NonNull GlideRequests glideRequests, @NonNull Locale locale,
             @NonNull Set<Long> typingThreads,
             @NonNull Set<Long> selectedThreads, boolean batchMode);
+
+  void setBatchMode(boolean batchMode);
+  void updateTypingIndicator(@NonNull Set<Long> typingThreads);
 }

app/src/main/java/org/thoughtcrime/securesms/BlockedContactsActivity.java

@@ -4,7 +4,6 @@ import android.content.Context;
 import android.database.Cursor;
 import android.os.Bundle;
 import android.view.LayoutInflater;
-import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
@@ -28,7 +27,7 @@ import org.thoughtcrime.securesms.recipients.RecipientId;
 import org.thoughtcrime.securesms.recipients.RecipientUtil;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 
-public class BlockedContactsActivity extends PassphraseRequiredActionBarActivity {
+public class BlockedContactsActivity extends PassphraseRequiredActivity {
 
   private final DynamicTheme dynamicTheme = new DynamicTheme();
 

app/src/main/java/org/thoughtcrime/securesms/ConfirmIdentityDialog.java

@@ -3,7 +3,6 @@ package org.thoughtcrime.securesms;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.DialogInterface;
-import android.database.Cursor;
 import android.os.AsyncTask;
 import android.text.SpannableString;
 import android.text.Spanned;
@@ -14,8 +13,8 @@ import androidx.appcompat.app.AlertDialog;
 
 import org.thoughtcrime.securesms.crypto.storage.TextSecureIdentityKeyStore;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
+import org.thoughtcrime.securesms.database.MessageDatabase;
 import org.thoughtcrime.securesms.database.MmsDatabase;
-import org.thoughtcrime.securesms.database.MmsSmsDatabase;
 import org.thoughtcrime.securesms.database.PushDatabase;
 import org.thoughtcrime.securesms.database.SmsDatabase;
 import org.thoughtcrime.securesms.database.documents.IdentityKeyMismatch;
@@ -51,7 +50,7 @@ public class ConfirmIdentityDialog extends AlertDialog {
     super(context);
 
       Recipient       recipient       = Recipient.resolved(mismatch.getRecipientId(context));
-      String          name            = recipient.toShortString(context);
+      String          name            = recipient.getDisplayName(context);
       String          introduction    = context.getString(R.string.ConfirmIdentityDialog_your_safety_number_with_s_has_changed, name, name);
       SpannableString spannableString = new SpannableString(introduction + " " +
                                                             context.getString(R.string.ConfirmIdentityDialog_you_may_wish_to_verify_your_safety_number_with_this_contact));
@@ -105,7 +104,6 @@ public class ConfirmIdentityDialog extends AlertDialog {
           }
 
           processMessageRecord(messageRecord);
-          processPendingMessageRecords(messageRecord.getThreadId(), mismatch);
 
           return null;
         }
@@ -115,29 +113,9 @@ public class ConfirmIdentityDialog extends AlertDialog {
           else                            processIncomingMessageRecord(messageRecord);
         }
 
-        private void processPendingMessageRecords(long threadId, IdentityKeyMismatch mismatch) {
-          MmsSmsDatabase        mmsSmsDatabase = DatabaseFactory.getMmsSmsDatabase(getContext());
-          Cursor                cursor         = mmsSmsDatabase.getIdentityConflictMessagesForThread(threadId);
-          MmsSmsDatabase.Reader reader         = mmsSmsDatabase.readerFor(cursor);
-          MessageRecord         record;
-
-          try {
-            while ((record = reader.getNext()) != null) {
-              for (IdentityKeyMismatch recordMismatch : record.getIdentityKeyMismatches()) {
-                if (mismatch.equals(recordMismatch)) {
-                  processMessageRecord(record);
-                }
-              }
-            }
-          } finally {
-            if (reader != null)
-              reader.close();
-          }
-        }
-
         private void processOutgoingMessageRecord(MessageRecord messageRecord) {
-          SmsDatabase        smsDatabase        = DatabaseFactory.getSmsDatabase(getContext());
-          MmsDatabase        mmsDatabase        = DatabaseFactory.getMmsDatabase(getContext());
+          MessageDatabase smsDatabase = DatabaseFactory.getSmsDatabase(getContext());
+          MessageDatabase mmsDatabase = DatabaseFactory.getMmsDatabase(getContext());
 
           if (messageRecord.isMms()) {
             mmsDatabase.removeMismatchedIdentity(messageRecord.getId(),
@@ -160,8 +138,8 @@ public class ConfirmIdentityDialog extends AlertDialog {
 
         private void processIncomingMessageRecord(MessageRecord messageRecord) {
           try {
-            PushDatabase pushDatabase = DatabaseFactory.getPushDatabase(getContext());
-            SmsDatabase  smsDatabase  = DatabaseFactory.getSmsDatabase(getContext());
+            PushDatabase    pushDatabase = DatabaseFactory.getPushDatabase(getContext());
+            MessageDatabase smsDatabase  = DatabaseFactory.getSmsDatabase(getContext());
 
             smsDatabase.removeMismatchedIdentity(messageRecord.getId(),
                                                  mismatch.getRecipientId(getContext()),
@@ -175,7 +153,9 @@ public class ConfirmIdentityDialog extends AlertDialog {
                                                                        messageRecord.getDateSent(),
                                                                        legacy ? Base64.decode(messageRecord.getBody()) : null,
                                                                        !legacy ? Base64.decode(messageRecord.getBody()) : null,
-                                                                       0, null);
+                                                                       0,
+                                                                       0,
+                                                                       null);
 
             long pushId = pushDatabase.insert(envelope);
 

app/src/main/java/org/thoughtcrime/securesms/ContactSelectionActivity.java

@@ -42,7 +42,7 @@ import java.lang.ref.WeakReference;
  * @author Moxie Marlinspike
  *
  */
-public abstract class ContactSelectionActivity extends PassphraseRequiredActionBarActivity
+public abstract class ContactSelectionActivity extends PassphraseRequiredActivity
                                                implements SwipeRefreshLayout.OnRefreshListener,
                                                           ContactSelectionListFragment.OnContactSelectedListener,
                                                           ContactSelectionListFragment.ScrollCallback
@@ -113,7 +113,9 @@ public abstract class ContactSelectionActivity extends PassphraseRequiredActionB
   }
 
   @Override
-  public void onContactSelected(Optional<RecipientId> recipientId, String number) {}
+  public boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number) {
+    return true;
+  }
 
   @Override
   public void onContactDeselected(Optional<RecipientId> recipientId, String number) {}

app/src/main/java/org/thoughtcrime/securesms/ContactSelectionListFragment.java

@@ -40,7 +40,6 @@ import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.constraintlayout.widget.ConstraintSet;
-import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.loader.app.LoaderManager;
 import androidx.loader.content.Loader;
@@ -71,7 +70,6 @@ import org.thoughtcrime.securesms.permissions.Permissions;
 import org.thoughtcrime.securesms.recipients.LiveRecipient;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientId;
-import org.thoughtcrime.securesms.util.FeatureFlags;
 import org.thoughtcrime.securesms.util.StickyHeaderDecoration;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.UsernameUtil;
@@ -93,7 +91,7 @@ import java.util.Set;
  * @author Moxie Marlinspike
  *
  */
-public final class ContactSelectionListFragment extends    Fragment
+public final class ContactSelectionListFragment extends LoggingFragment
                                                 implements LoaderManager.LoaderCallbacks<Cursor>
 {
   @SuppressWarnings("unused")
@@ -108,7 +106,7 @@ public final class ContactSelectionListFragment extends    Fragment
   public static final String MULTI_SELECT      = "multi_select";
   public static final String REFRESHABLE       = "refreshable";
   public static final String RECENTS           = "recents";
-  public static final String TOTAL_CAPACITY    = "total_capacity";
+  public static final String SELECTION_LIMIT   = "selection_limit";
   public static final String CURRENT_SELECTION = "current_selection";
 
   private ConstraintLayout            constraintLayout;
@@ -210,7 +208,7 @@ public final class ContactSelectionListFragment extends    Fragment
 
     swipeRefresh.setEnabled(requireActivity().getIntent().getBooleanExtra(REFRESHABLE, true));
 
-    selectionLimit   = requireActivity().getIntent().getIntExtra(TOTAL_CAPACITY, NO_LIMIT);
+    selectionLimit   = requireActivity().getIntent().getIntExtra(SELECTION_LIMIT, NO_LIMIT);
     currentSelection = getCurrentSelection();
 
     updateGroupLimit(getChipCount());
@@ -271,12 +269,8 @@ public final class ContactSelectionListFragment extends    Fragment
 
     RecyclerViewConcatenateAdapterStickyHeader concatenateAdapter = new RecyclerViewConcatenateAdapterStickyHeader();
 
-    if (listCallback != null && FeatureFlags.newGroupUI()) {
-      if (FeatureFlags.groupsV2create() && FeatureFlags.groupsV2internalTest()) {
-        headerAdapter = new FixedViewsAdapter(createNewGroupItem(listCallback), createNewGroupsV1GroupItem(listCallback));
-      } else {
-        headerAdapter = new FixedViewsAdapter(createNewGroupItem(listCallback));
-      }
+    if (listCallback != null) {
+      headerAdapter = new FixedViewsAdapter(createNewGroupItem(listCallback));
       headerAdapter.hide();
       concatenateAdapter.addAdapter(headerAdapter);
     }
@@ -317,13 +311,6 @@ public final class ContactSelectionListFragment extends    Fragment
     return view;
   }
 
-  private View createNewGroupsV1GroupItem(@NonNull ListCallback listCallback) {
-    View view = LayoutInflater.from(requireContext())
-                              .inflate(R.layout.contact_selection_new_group_v1_item, (ViewGroup) requireView(), false);
-    view.setOnClickListener(v -> listCallback.onNewGroup(true));
-    return view;
-  }
-
   private void initializeNoContactsPermission() {
     swipeRefresh.setVisibility(View.GONE);
 
@@ -463,6 +450,11 @@ public final class ContactSelectionListFragment extends    Fragment
       SelectedContact selectedContact = contact.isUsernameType() ? SelectedContact.forUsername(contact.getRecipientId().orNull(), contact.getNumber())
                                                                  : SelectedContact.forPhone(contact.getRecipientId().orNull(), contact.getNumber());
 
+      if (isMulti() && Recipient.self().getId().equals(selectedContact.getOrCreateRecipientId(requireContext()))) {
+        Toast.makeText(requireContext(), R.string.ContactSelectionListFragment_you_do_not_need_to_add_yourself_to_the_group, Toast.LENGTH_SHORT).show();
+        return;
+      }
+
       if (!isMulti() || !cursorRecyclerViewAdapter.isSelectedContact(selectedContact)) {
         if (selectionLimitReached()) {
           Toast.makeText(requireContext(), R.string.ContactSelectionListFragment_the_group_is_full, Toast.LENGTH_SHORT).show();
@@ -480,11 +472,15 @@ public final class ContactSelectionListFragment extends    Fragment
             if (uuid.isPresent()) {
               Recipient recipient = Recipient.externalUsername(requireContext(), uuid.get(), contact.getNumber());
               SelectedContact selected = SelectedContact.forUsername(recipient.getId(), contact.getNumber());
-              markContactSelected(selected);
-              cursorRecyclerViewAdapter.notifyItemChanged(recyclerView.getChildAdapterPosition(contact), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
 
               if (onContactSelectedListener != null) {
-                onContactSelectedListener.onContactSelected(Optional.of(recipient.getId()), null);
+                if (onContactSelectedListener.onBeforeContactSelected(Optional.of(recipient.getId()), null)) {
+                  markContactSelected(selected);
+                  cursorRecyclerViewAdapter.notifyItemChanged(recyclerView.getChildAdapterPosition(contact), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
+                }
+              } else {
+                markContactSelected(selected);
+                cursorRecyclerViewAdapter.notifyItemChanged(recyclerView.getChildAdapterPosition(contact), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
               }
             } else {
               new AlertDialog.Builder(requireContext())
@@ -495,11 +491,14 @@ public final class ContactSelectionListFragment extends    Fragment
             }
           });
         } else {
-          markContactSelected(selectedContact);
-          cursorRecyclerViewAdapter.notifyItemChanged(recyclerView.getChildAdapterPosition(contact), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
-
           if (onContactSelectedListener != null) {
-            onContactSelectedListener.onContactSelected(contact.getRecipientId(), contact.getNumber());
+            if (onContactSelectedListener.onBeforeContactSelected(contact.getRecipientId(), contact.getNumber())) {
+              markContactSelected(selectedContact);
+              cursorRecyclerViewAdapter.notifyItemChanged(recyclerView.getChildAdapterPosition(contact), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
+            }
+          } else {
+            markContactSelected(selectedContact);
+            cursorRecyclerViewAdapter.notifyItemChanged(recyclerView.getChildAdapterPosition(contact), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
           }
         }
       } else {
@@ -513,12 +512,12 @@ public final class ContactSelectionListFragment extends    Fragment
   }
 
   private boolean selectionLimitReached() {
-    return getChipCount() >= selectionLimit;
+    return getChipCount() + currentSelection.size() >= selectionLimit;
   }
 
   private void markContactSelected(@NonNull SelectedContact selectedContact) {
     cursorRecyclerViewAdapter.addSelectedContact(selectedContact);
-    if (isMulti() && FeatureFlags.newGroupUI()) {
+    if (isMulti()) {
       addChipForSelectedContact(selectedContact);
     }
   }
@@ -631,7 +630,8 @@ public final class ContactSelectionListFragment extends    Fragment
   }
 
   public interface OnContactSelectedListener {
-    void onContactSelected(Optional<RecipientId> recipientId, String number);
+    /** @return True if the contact is allowed to be selected, otherwise false. */
+    boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number);
     void onContactDeselected(Optional<RecipientId> recipientId, String number);
   }
 

app/src/main/java/org/thoughtcrime/securesms/DatabaseMigrationActivity.java

@@ -21,7 +21,7 @@ import org.thoughtcrime.securesms.database.SmsMigrator.ProgressDescription;
 import org.thoughtcrime.securesms.service.ApplicationMigrationService;
 import org.thoughtcrime.securesms.service.ApplicationMigrationService.ImportState;
 
-public class DatabaseMigrationActivity extends PassphraseRequiredActionBarActivity {
+public class DatabaseMigrationActivity extends PassphraseRequiredActivity {
 
   private final ImportServiceConnection serviceConnection  = new ImportServiceConnection();
   private final ImportStateHandler      importStateHandler = new ImportStateHandler();

app/src/main/java/org/thoughtcrime/securesms/DeviceActivity.java

@@ -23,7 +23,6 @@ import org.thoughtcrime.securesms.crypto.ProfileKeyUtil;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
 import org.thoughtcrime.securesms.logging.Log;
 import org.thoughtcrime.securesms.permissions.Permissions;
-import org.thoughtcrime.securesms.push.AccountManagerFactory;
 import org.thoughtcrime.securesms.qr.ScanListener;
 import org.thoughtcrime.securesms.util.Base64;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
@@ -42,7 +41,7 @@ import org.whispersystems.signalservice.internal.push.DeviceLimitExceededExcepti
 
 import java.io.IOException;
 
-public class DeviceActivity extends PassphraseRequiredActionBarActivity
+public class DeviceActivity extends PassphraseRequiredActivity
     implements Button.OnClickListener, ScanListener, DeviceLinkFragment.LinkClickedListener
 {
 

app/src/main/java/org/thoughtcrime/securesms/DeviceAddFragment.java

@@ -6,7 +6,7 @@ import android.content.res.Configuration;
 import android.os.Build;
 import android.os.Bundle;
 import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
+
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewAnimationUtils;
@@ -20,7 +20,7 @@ import org.thoughtcrime.securesms.qr.ScanListener;
 import org.thoughtcrime.securesms.qr.ScanningThread;
 import org.thoughtcrime.securesms.util.ViewUtil;
 
-public class DeviceAddFragment extends Fragment {
+public class DeviceAddFragment extends LoggingFragment {
 
   private ViewGroup      container;
   private LinearLayout   overlay;

app/src/main/java/org/thoughtcrime/securesms/DeviceListFragment.java

@@ -53,7 +53,7 @@ public class DeviceListFragment extends ListFragment
   @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
-    this.locale = (Locale) getArguments().getSerializable(PassphraseRequiredActionBarActivity.LOCALE_EXTRA);
+    this.locale = (Locale) getArguments().getSerializable(PassphraseRequiredActivity.LOCALE_EXTRA);
   }
 
   @Override

app/src/main/java/org/thoughtcrime/securesms/DeviceProvisioningActivity.java

@@ -5,7 +5,7 @@ import android.os.Bundle;
 import androidx.appcompat.app.AlertDialog;
 import android.view.Window;
 
-public class DeviceProvisioningActivity extends PassphraseRequiredActionBarActivity {
+public class DeviceProvisioningActivity extends PassphraseRequiredActivity {
 
   @SuppressWarnings("unused")
   private static final String TAG = DeviceProvisioningActivity.class.getSimpleName();
@@ -26,7 +26,7 @@ public class DeviceProvisioningActivity extends PassphraseRequiredActionBarActiv
           startActivity(intent);
           finish();
         })
-        .setNegativeButton(R.string.DeviceProvisioningActivity_cancel, (dialog12, which) -> {
+        .setNegativeButton(android.R.string.cancel, (dialog12, which) -> {
           dialog12.dismiss();
           finish();
         })

app/src/main/java/org/thoughtcrime/securesms/ExpirationDialog.java

@@ -1,14 +1,17 @@
 package org.thoughtcrime.securesms;
 
 import android.content.Context;
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+
 import org.thoughtcrime.securesms.util.ExpirationUtil;
 
+import java.util.Arrays;
+
 import cn.carbswang.android.numberpickerview.library.NumberPickerView;
 
 public class ExpirationDialog extends AlertDialog {
@@ -36,7 +39,7 @@ public class ExpirationDialog extends AlertDialog {
     builder.setView(view);
     builder.setPositiveButton(android.R.string.ok, (dialog, which) -> {
       int selected = ((NumberPickerView)view.findViewById(R.id.expiration_number_picker)).getValue();
-      listener.onClick(context.getResources().getIntArray(R.array.expiration_times)[selected]);
+      listener.onClick(getExpirationTimes(context, currentExpiration)[selected]);
     });
     builder.setNegativeButton(android.R.string.cancel, null);
     builder.show();
@@ -47,7 +50,7 @@ public class ExpirationDialog extends AlertDialog {
     final View             view                    = inflater.inflate(R.layout.expiration_dialog, null);
     final NumberPickerView numberPickerView        = view.findViewById(R.id.expiration_number_picker);
     final TextView         textView                = view.findViewById(R.id.expiration_details);
-    final int[]            expirationTimes         = context.getResources().getIntArray(R.array.expiration_times);
+    final int[]            expirationTimes         = getExpirationTimes(context, currentExpiration);
     final String[]         expirationDisplayValues = new String[expirationTimes.length];
 
     int selectedIndex = expirationTimes.length - 1;
@@ -80,6 +83,19 @@ public class ExpirationDialog extends AlertDialog {
     return view;
   }
 
+  private static int[] getExpirationTimes(Context context, int currentExpiration) {
+    int[] expirationTimes = context.getResources().getIntArray(R.array.expiration_times);
+    int   location        = Arrays.binarySearch(expirationTimes, currentExpiration);
+    if (location < 0) {
+      int[] temp = Arrays.copyOf(expirationTimes, expirationTimes.length + 1);
+      temp[temp.length - 1] = currentExpiration;
+      Arrays.sort(temp);
+      expirationTimes = temp;
+    }
+
+    return expirationTimes;
+  }
+
   public interface OnClickListener {
     public void onClick(int expirationTime);
   }

app/src/main/java/org/thoughtcrime/securesms/GroupCreateActivity.java

@@ -1,629 +0,0 @@
-/*
- * Copyright (C) 2014 Open Whisper Systems
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.thoughtcrime.securesms;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.Intent;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.graphics.drawable.Drawable;
-import android.os.AsyncTask;
-import android.os.Bundle;
-import android.text.TextUtils;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.widget.EditText;
-import android.widget.ImageView;
-import android.widget.ListView;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.core.content.ContextCompat;
-
-import com.bumptech.glide.load.engine.DiskCacheStrategy;
-import com.bumptech.glide.request.target.SimpleTarget;
-import com.bumptech.glide.request.transition.Transition;
-
-import org.thoughtcrime.securesms.components.PushRecipientsPanel;
-import org.thoughtcrime.securesms.components.PushRecipientsPanel.RecipientsPanelChangedListener;
-import org.thoughtcrime.securesms.contacts.ContactsCursorLoader.DisplayMode;
-import org.thoughtcrime.securesms.contacts.RecipientsEditor;
-import org.thoughtcrime.securesms.contacts.avatars.ContactColors;
-import org.thoughtcrime.securesms.contacts.avatars.ResourceContactPhoto;
-import org.thoughtcrime.securesms.conversation.ConversationActivity;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.database.GroupDatabase;
-import org.thoughtcrime.securesms.database.GroupDatabase.GroupRecord;
-import org.thoughtcrime.securesms.database.RecipientDatabase;
-import org.thoughtcrime.securesms.database.ThreadDatabase;
-import org.thoughtcrime.securesms.groups.GroupId;
-import org.thoughtcrime.securesms.groups.GroupManager;
-import org.thoughtcrime.securesms.groups.GroupManager.GroupActionResult;
-import org.thoughtcrime.securesms.logging.Log;
-import org.thoughtcrime.securesms.mediasend.AvatarSelectionActivity;
-import org.thoughtcrime.securesms.mediasend.AvatarSelectionBottomSheetDialogFragment;
-import org.thoughtcrime.securesms.mediasend.Media;
-import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
-import org.thoughtcrime.securesms.mms.GlideApp;
-import org.thoughtcrime.securesms.profiles.AvatarHelper;
-import org.thoughtcrime.securesms.profiles.edit.EditProfileActivity;
-import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.recipients.RecipientId;
-import org.thoughtcrime.securesms.util.BitmapUtil;
-import org.thoughtcrime.securesms.util.DynamicTheme;
-import org.thoughtcrime.securesms.util.FeatureFlags;
-import org.thoughtcrime.securesms.util.SelectedRecipientsAdapter;
-import org.thoughtcrime.securesms.util.SelectedRecipientsAdapter.OnRecipientDeletedListener;
-import org.thoughtcrime.securesms.util.TextSecurePreferences;
-import org.thoughtcrime.securesms.util.task.ProgressDialogAsyncTask;
-import org.whispersystems.libsignal.util.guava.Optional;
-
-import java.io.IOException;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Set;
-
-/**
- * Activity to create and update {@link GroupId.V1} groups
- *
- * @author Jake McGinty
- */
-public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
-                                 implements OnRecipientDeletedListener,
-                                            RecipientsPanelChangedListener
-{
-
-  private final static String TAG = GroupCreateActivity.class.getSimpleName();
-
-  private static final String GROUP_ID_EXTRA     = "group_id";
-  private static final String GROUP_THREAD_EXTRA = "group_thread";
-
-  private final DynamicTheme dynamicTheme = new DynamicTheme();
-
-  private static final short REQUEST_CODE_SELECT_AVATAR = 26165;
-  private static final int   PICK_CONTACT               = 1;
-
-  private EditText  groupName;
-  private ListView  listView;
-  private ImageView avatar;
-  private TextView  creatingText;
-  private Bitmap    avatarBmp;
-
-  @NonNull private Optional<GroupData> groupToUpdate = Optional.absent();
-
-  public static Intent newEditGroupIntent(@NonNull Context context, @NonNull GroupId.V1 groupId) {
-    Intent intent = new Intent(context, GroupCreateActivity.class);
-    intent.putExtra(GroupCreateActivity.GROUP_ID_EXTRA, groupId.toString());
-    return intent;
-  }
-
-  @Override
-  protected void onPreCreate() {
-    dynamicTheme.onCreate(this);
-  }
-
-  @Override
-  protected void onCreate(Bundle state, boolean ready) {
-    setContentView(R.layout.group_create_activity);
-    //noinspection ConstantConditions
-    initializeAppBar();
-    initializeResources();
-    initializeExistingGroup();
-  }
-
-  @Override
-  public void onResume() {
-    super.onResume();
-    dynamicTheme.onResume(this);
-    updateViewState();
-  }
-
-  private boolean isSignalGroup() {
-    return TextSecurePreferences.isPushRegistered(this) && !getAdapter().hasNonPushMembers();
-  }
-
-  private void disableSignalGroupViews(int reasonResId) {
-    View pushDisabled = findViewById(R.id.push_disabled);
-    pushDisabled.setVisibility(View.VISIBLE);
-    ((TextView) findViewById(R.id.push_disabled_reason)).setText(reasonResId);
-    avatar.setEnabled(false);
-    groupName.setEnabled(false);
-  }
-
-  private void enableSignalGroupViews() {
-    findViewById(R.id.push_disabled).setVisibility(View.GONE);
-    avatar.setEnabled(true);
-    groupName.setEnabled(true);
-  }
-
-  @SuppressWarnings("ConstantConditions")
-  private void updateViewState() {
-    if (!TextSecurePreferences.isPushRegistered(this)) {
-      disableSignalGroupViews(R.string.GroupCreateActivity_youre_not_registered_for_signal);
-      getSupportActionBar().setTitle(R.string.GroupCreateActivity_actionbar_mms_title);
-    } else if (getAdapter().hasNonPushMembers()) {
-      disableSignalGroupViews(R.string.GroupCreateActivity_contacts_dont_support_push);
-      getSupportActionBar().setTitle(R.string.GroupCreateActivity_actionbar_mms_title);
-    } else {
-      enableSignalGroupViews();
-      getSupportActionBar().setTitle(groupToUpdate.isPresent()
-                                     ? R.string.GroupCreateActivity_actionbar_edit_title
-                                     : R.string.GroupCreateActivity_actionbar_title);
-    }
-  }
-
-  private static boolean isActiveInDirectory(Recipient recipient) {
-    return recipient.resolve().getRegistered() == RecipientDatabase.RegisteredState.REGISTERED;
-  }
-
-  private void addSelectedContacts(@NonNull Recipient... recipients) {
-    new AddMembersTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, recipients);
-  }
-
-  private void addSelectedContacts(@NonNull Collection<Recipient> recipients) {
-    addSelectedContacts(recipients.toArray(new Recipient[recipients.size()]));
-  }
-
-  private void initializeAppBar() {
-    Drawable upIcon = ContextCompat.getDrawable(this, R.drawable.ic_arrow_left_24);
-    getSupportActionBar().setHomeAsUpIndicator(upIcon);
-    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-  }
-
-  private void initializeResources() {
-    RecipientsEditor    recipientsEditor = findViewById(R.id.recipients_text);
-    PushRecipientsPanel recipientsPanel  = findViewById(R.id.recipients);
-
-    listView     = findViewById(R.id.selected_contacts_list);
-    avatar       = findViewById(R.id.avatar);
-    groupName    = findViewById(R.id.group_name);
-    creatingText = findViewById(R.id.creating_group_text);
-
-    SelectedRecipientsAdapter adapter = new SelectedRecipientsAdapter(this);
-    adapter.setOnRecipientDeletedListener(this);
-    listView.setAdapter(adapter);
-
-    recipientsEditor.setHint(R.string.recipients_panel__add_members);
-    recipientsPanel.setPanelChangeListener(this);
-
-    findViewById(R.id.contacts_button).setOnClickListener(new AddRecipientButtonListener());
-
-    avatar.setImageDrawable(getDefaultGroupAvatar());
-    avatar.setOnClickListener(view -> AvatarSelectionBottomSheetDialogFragment.create(avatarBmp != null, false, REQUEST_CODE_SELECT_AVATAR, true).show(getSupportFragmentManager(), null));
-  }
-
-  private Drawable getDefaultGroupAvatar() {
-    return new ResourceContactPhoto(R.drawable.ic_group_outline_34, R.drawable.ic_group_outline_20).asDrawable(this, ContactColors.UNKNOWN_COLOR.toConversationColor(this));
-  }
-
-  private void initializeExistingGroup() {
-    final GroupId groupId = GroupId.parseNullableOrThrow(getIntent().getStringExtra(GROUP_ID_EXTRA));
-
-    if (groupId != null) {
-      GroupId.V1 groupIdV1 = groupId.requireV1();
-
-      new FillExistingGroupInfoAsyncTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, groupIdV1);
-
-      if (FeatureFlags.newGroupUI()) {
-        avatar.setOnClickListener(v -> startActivity(EditProfileActivity.getIntentForGroupProfile(this, groupIdV1)));
-      }
-    }
-  }
-
-  @Override
-  public boolean onPrepareOptionsMenu(Menu menu) {
-    MenuInflater inflater = this.getMenuInflater();
-    menu.clear();
-
-    inflater.inflate(R.menu.group_create, menu);
-    super.onPrepareOptionsMenu(menu);
-    return true;
-  }
-
-  @Override
-  public boolean onOptionsItemSelected(MenuItem item) {
-    super.onOptionsItemSelected(item);
-    switch (item.getItemId()) {
-      case android.R.id.home:
-        finish();
-        return true;
-      case R.id.menu_create_group:
-        if (groupToUpdate.isPresent()) handleGroupUpdate();
-        else                           handleGroupCreate();
-        return true;
-    }
-
-    return false;
-  }
-
-  @Override
-  public void onRecipientDeleted(Recipient recipient) {
-    getAdapter().remove(recipient);
-    updateViewState();
-  }
-
-  @Override
-  public void onRecipientsPanelUpdate(List<Recipient> recipients) {
-    if (recipients != null && !recipients.isEmpty()) addSelectedContacts(recipients);
-  }
-
-  private void handleGroupCreate() {
-    if (getAdapter().getCount() < 1) {
-      Log.i(TAG, getString(R.string.GroupCreateActivity_contacts_no_members));
-      Toast.makeText(getApplicationContext(), R.string.GroupCreateActivity_contacts_no_members, Toast.LENGTH_SHORT).show();
-      return;
-    }
-    if (isSignalGroup()) {
-      new CreateSignalGroupTask(this, avatarBmp, getGroupName(), getAdapter().getRecipients()).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    } else {
-      new CreateMmsGroupTask(this, getAdapter().getRecipients()).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    }
-  }
-
-  private void handleGroupUpdate() {
-    new UpdateSignalGroupV1Task(this, groupToUpdate.get().id, avatarBmp,
-                                getGroupName(), getAdapter().getRecipients()).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-  }
-
-  private void handleOpenConversation(long threadId, Recipient recipient) {
-    Intent intent = new Intent(this, ConversationActivity.class);
-    intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, threadId);
-    intent.putExtra(ConversationActivity.DISTRIBUTION_TYPE_EXTRA, ThreadDatabase.DistributionTypes.DEFAULT);
-    intent.putExtra(ConversationActivity.RECIPIENT_EXTRA, recipient.getId());
-    startActivity(intent);
-    finish();
-  }
-
-  private SelectedRecipientsAdapter getAdapter() {
-    return (SelectedRecipientsAdapter) listView.getAdapter();
-  }
-
-  private @Nullable String getGroupName() {
-    return groupName.getText() != null ? groupName.getText().toString() : null;
-  }
-
-  @Override
-  public void onActivityResult(int reqCode, int resultCode, final Intent data) {
-    super.onActivityResult(reqCode, resultCode, data);
-
-    if (data == null || resultCode != Activity.RESULT_OK)
-      return;
-
-    switch (reqCode) {
-      case PICK_CONTACT:
-        List<RecipientId> selected = data.getParcelableArrayListExtra(PushContactSelectionActivity.KEY_SELECTED_RECIPIENTS);
-
-        for (RecipientId contact : selected) {
-          Recipient recipient = Recipient.resolved(contact);
-          addSelectedContacts(recipient);
-        }
-
-        break;
-      case REQUEST_CODE_SELECT_AVATAR:
-        if (data.getBooleanExtra("delete", false)) {
-          avatarBmp = null;
-          avatar.setImageDrawable(getDefaultGroupAvatar());
-          return;
-        }
-
-        final Media          result         = data.getParcelableExtra(AvatarSelectionActivity.EXTRA_MEDIA);
-        final DecryptableUri decryptableUri = new DecryptableUri(result.getUri());
-
-        GlideApp.with(this)
-                .asBitmap()
-                .load(decryptableUri)
-                .skipMemoryCache(true)
-                .diskCacheStrategy(DiskCacheStrategy.NONE)
-                .centerCrop()
-                .override(AvatarHelper.AVATAR_DIMENSIONS, AvatarHelper.AVATAR_DIMENSIONS)
-                .into(new SimpleTarget<Bitmap>() {
-                  @Override
-                  public void onResourceReady(@NonNull Bitmap resource, Transition<? super Bitmap> transition) {
-                    setAvatar(decryptableUri, resource);
-                  }
-                });
-    }
-  }
-
-  private class AddRecipientButtonListener implements View.OnClickListener {
-    @Override
-    public void onClick(View v) {
-      Intent intent = new Intent(GroupCreateActivity.this, PushContactSelectionActivity.class);
-      if (groupToUpdate.isPresent()) {
-        intent.putExtra(ContactSelectionListFragment.DISPLAY_MODE, DisplayMode.FLAG_PUSH);
-      } else {
-        intent.putExtra(ContactSelectionListFragment.DISPLAY_MODE, DisplayMode.FLAG_PUSH | DisplayMode.FLAG_SMS);
-      }
-      startActivityForResult(intent, PICK_CONTACT);
-    }
-  }
-
-  private static class CreateMmsGroupTask extends AsyncTask<Void,Void,GroupActionResult> {
-    private final GroupCreateActivity activity;
-    private final Set<Recipient>      members;
-
-    public CreateMmsGroupTask(GroupCreateActivity activity, Set<Recipient> members) {
-      this.activity     = activity;
-      this.members      = members;
-    }
-
-    @Override
-    protected GroupActionResult doInBackground(Void... avoid) {
-      List<RecipientId> memberAddresses = new LinkedList<>();
-
-      for (Recipient recipient : members) {
-        memberAddresses.add(recipient.getId());
-      }
-      memberAddresses.add(Recipient.self().getId());
-
-      GroupId.Mms groupId          = DatabaseFactory.getGroupDatabase(activity).getOrCreateMmsGroupForMembers(memberAddresses);
-      RecipientId groupRecipientId = DatabaseFactory.getRecipientDatabase(activity).getOrInsertFromGroupId(groupId);
-      Recipient   groupRecipient   = Recipient.resolved(groupRecipientId);
-      long        threadId         = DatabaseFactory.getThreadDatabase(activity).getThreadIdFor(groupRecipient, ThreadDatabase.DistributionTypes.DEFAULT);
-
-      return new GroupActionResult(groupRecipient, threadId);
-    }
-
-    @Override
-    protected void onPostExecute(GroupActionResult result) {
-      activity.handleOpenConversation(result.getThreadId(), result.getGroupRecipient());
-    }
-
-    @Override
-    protected void onProgressUpdate(Void... values) {
-      super.onProgressUpdate(values);
-    }
-  }
-
-  private abstract static class SignalGroupTask extends AsyncTask<Void,Void,Optional<GroupActionResult>> {
-
-    protected GroupCreateActivity activity;
-    protected Bitmap              avatar;
-    protected Set<Recipient>      members;
-    protected String              name;
-
-    public SignalGroupTask(GroupCreateActivity activity,
-                           Bitmap              avatar,
-                           String              name,
-                           Set<Recipient>      members)
-    {
-      this.activity     = activity;
-      this.avatar       = avatar;
-      this.name         = name;
-      this.members      = members;
-    }
-
-    @Override
-    protected void onPreExecute() {
-      activity.findViewById(R.id.group_details_layout).setVisibility(View.GONE);
-      activity.findViewById(R.id.creating_group_layout).setVisibility(View.VISIBLE);
-      activity.findViewById(R.id.menu_create_group).setVisibility(View.GONE);
-        final int titleResId = activity.groupToUpdate.isPresent()
-                             ? R.string.GroupCreateActivity_updating_group
-                             : R.string.GroupCreateActivity_creating_group;
-        activity.creatingText.setText(activity.getString(titleResId, activity.getGroupName()));
-      }
-
-    @Override
-    protected void onPostExecute(Optional<GroupActionResult> groupActionResultOptional) {
-      if (activity.isFinishing()) return;
-      activity.findViewById(R.id.group_details_layout).setVisibility(View.VISIBLE);
-      activity.findViewById(R.id.creating_group_layout).setVisibility(View.GONE);
-      activity.findViewById(R.id.menu_create_group).setVisibility(View.VISIBLE);
-    }
-  }
-
-  private static class CreateSignalGroupTask extends SignalGroupTask {
-    public CreateSignalGroupTask(GroupCreateActivity activity, Bitmap avatar, String name, Set<Recipient> members) {
-      super(activity, avatar, name, members);
-    }
-
-    @Override
-    protected Optional<GroupActionResult> doInBackground(Void... aVoid) {
-      return Optional.of(GroupManager.createGroupV1(activity, members, BitmapUtil.toByteArray(avatar), name, false));
-    }
-
-    @Override
-    protected void onPostExecute(Optional<GroupActionResult> result) {
-      if (result.isPresent() && result.get().getThreadId() > -1) {
-        if (!activity.isFinishing()) {
-          activity.handleOpenConversation(result.get().getThreadId(), result.get().getGroupRecipient());
-        }
-      } else {
-        super.onPostExecute(result);
-        Toast.makeText(activity.getApplicationContext(),
-                       R.string.GroupCreateActivity_contacts_invalid_number, Toast.LENGTH_LONG).show();
-      }
-    }
-  }
-
-  private static class UpdateSignalGroupV1Task extends SignalGroupTask {
-    private final GroupId.V1 groupId;
-
-    UpdateSignalGroupV1Task(GroupCreateActivity activity, GroupId.V1 groupId,
-                            Bitmap avatar, String name, Set<Recipient> members)
-    {
-      super(activity, avatar, name, members);
-      this.groupId = groupId;
-    }
-
-    @Override
-    protected Optional<GroupActionResult> doInBackground(Void... aVoid) {
-      return Optional.fromNullable(GroupManager.updateGroup(activity, groupId, members, BitmapUtil.toByteArray(avatar), name));
-    }
-
-    @Override
-    protected void onPostExecute(Optional<GroupActionResult> result) {
-      if (result.isPresent() && result.get().getThreadId() > -1) {
-        if (!activity.isFinishing()) {
-          Intent intent = activity.getIntent();
-          intent.putExtra(GROUP_THREAD_EXTRA, result.get().getThreadId());
-          intent.putExtra(GROUP_ID_EXTRA, result.get().getGroupRecipient().requireGroupId().toString());
-          activity.setResult(RESULT_OK, intent);
-          activity.finish();
-        }
-      } else {
-        super.onPostExecute(result);
-        Toast.makeText(activity.getApplicationContext(),
-                       R.string.GroupCreateActivity_contacts_invalid_number, Toast.LENGTH_LONG).show();
-      }
-    }
-  }
-
-  private static class AddMembersTask extends AsyncTask<Recipient,Void,List<AddMembersTask.Result>> {
-    static class Result {
-      Optional<Recipient> recipient;
-      boolean             isPush;
-      String              reason;
-
-      public Result(@Nullable Recipient recipient, boolean isPush, @Nullable String reason) {
-        this.recipient = Optional.fromNullable(recipient);
-        this.isPush    = isPush;
-        this.reason    = reason;
-      }
-    }
-
-    private GroupCreateActivity activity;
-    private boolean             failIfNotPush;
-
-    public AddMembersTask(@NonNull GroupCreateActivity activity) {
-      this.activity      = activity;
-      this.failIfNotPush = activity.groupToUpdate.isPresent();
-    }
-
-    @Override
-    protected List<Result> doInBackground(Recipient... recipients) {
-      final List<Result> results = new LinkedList<>();
-
-      for (Recipient recipient : recipients) {
-        boolean isPush = isActiveInDirectory(recipient);
-
-        if (failIfNotPush && !isPush) {
-          results.add(new Result(null, false, activity.getString(R.string.GroupCreateActivity_cannot_add_non_push_to_existing_group,
-                                                                 recipient.toShortString(activity))));
-        } else if (TextUtils.equals(TextSecurePreferences.getLocalNumber(activity), recipient.getE164().or(""))) {
-          results.add(new Result(null, false, activity.getString(R.string.GroupCreateActivity_youre_already_in_the_group)));
-        } else {
-          results.add(new Result(recipient, isPush, null));
-        }
-      }
-      return results;
-    }
-
-    @Override
-    protected void onPostExecute(List<Result> results) {
-      if (activity.isFinishing()) return;
-
-      for (Result result : results) {
-        if (result.recipient.isPresent()) {
-          activity.getAdapter().add(result.recipient.get(), result.isPush);
-        } else {
-          Toast.makeText(activity, result.reason, Toast.LENGTH_SHORT).show();
-        }
-      }
-      activity.updateViewState();
-    }
-  }
-
-  private static class FillExistingGroupInfoAsyncTask extends ProgressDialogAsyncTask<GroupId.V1, Void, Optional<GroupData>> {
-    private GroupCreateActivity activity;
-
-    public FillExistingGroupInfoAsyncTask(GroupCreateActivity activity) {
-      super(activity,
-            R.string.GroupCreateActivity_loading_group_details,
-            R.string.please_wait);
-      this.activity = activity;
-    }
-
-    @Override
-    protected Optional<GroupData> doInBackground(GroupId.V1... groupIds) {
-      final GroupDatabase         db               = DatabaseFactory.getGroupDatabase(activity);
-      final List<Recipient>       recipients       = db.getGroupMembers(groupIds[0], GroupDatabase.MemberSet.FULL_MEMBERS_EXCLUDING_SELF);
-      final Optional<GroupRecord> group            = db.getGroup(groupIds[0]);
-      final Set<Recipient>        existingContacts = new HashSet<>(recipients.size());
-      existingContacts.addAll(recipients);
-
-      if (group.isPresent()) {
-        Bitmap avatar = null;
-        try {
-          avatar = BitmapFactory.decodeStream(AvatarHelper.getAvatar(getContext(), group.get().getRecipientId()));
-        } catch (IOException e) {
-          Log.w(TAG, "Failed to read avatar.");
-        }
-        return Optional.of(new GroupData(groupIds[0],
-                                         existingContacts,
-                                         avatar,
-                                         BitmapUtil.toByteArray(avatar),
-                                         group.get().getTitle()));
-      } else {
-        return Optional.absent();
-      }
-    }
-
-    @Override
-    protected void onPostExecute(Optional<GroupData> group) {
-      super.onPostExecute(group);
-
-      if (group.isPresent() && !activity.isFinishing()) {
-        activity.groupToUpdate = group;
-
-        activity.groupName.setText(group.get().name);
-        if (group.get().avatarBmp != null) {
-          activity.setAvatar(group.get().avatarBytes, group.get().avatarBmp);
-        }
-        SelectedRecipientsAdapter adapter = new SelectedRecipientsAdapter(activity, group.get().recipients);
-        adapter.setOnRecipientDeletedListener(activity);
-        activity.listView.setAdapter(adapter);
-        activity.updateViewState();
-      }
-    }
-  }
-
-  private <T> void setAvatar(T model, Bitmap bitmap) {
-    avatarBmp = bitmap;
-    GlideApp.with(this)
-            .load(model)
-            .circleCrop()
-            .skipMemoryCache(true)
-            .diskCacheStrategy(DiskCacheStrategy.NONE)
-            .into(avatar);
-  }
-
-  private static class GroupData {
-    GroupId.V1     id;
-    Set<Recipient> recipients;
-    Bitmap         avatarBmp;
-    byte[]         avatarBytes;
-    String         name;
-
-    GroupData(GroupId.V1 id, Set<Recipient> recipients, Bitmap avatarBmp, byte[] avatarBytes, String name) {
-      this.id          = id;
-      this.recipients  = recipients;
-      this.avatarBmp   = avatarBmp;
-      this.avatarBytes = avatarBytes;
-      this.name        = name;
-    }
-  }
-}

app/src/main/java/org/thoughtcrime/securesms/InviteActivity.java

@@ -40,10 +40,9 @@ import org.thoughtcrime.securesms.util.concurrent.ListenableFuture.Listener;
 import org.thoughtcrime.securesms.util.task.ProgressDialogAsyncTask;
 import org.whispersystems.libsignal.util.guava.Optional;
 
-import java.util.List;
 import java.util.concurrent.ExecutionException;
 
-public class InviteActivity extends PassphraseRequiredActionBarActivity implements ContactSelectionListFragment.OnContactSelectedListener {
+public class InviteActivity extends PassphraseRequiredActivity implements ContactSelectionListFragment.OnContactSelectedListener {
 
   private ContactSelectionListFragment contactsFragment;
   private EditText                     inviteText;
@@ -103,7 +102,7 @@ public class InviteActivity extends PassphraseRequiredActionBarActivity implemen
     contactsFragment  = (ContactSelectionListFragment)getSupportFragmentManager().findFragmentById(R.id.contact_selection_list_fragment);
 
     inviteText.setText(getString(R.string.InviteActivity_lets_switch_to_signal, getString(R.string.install_url)));
-    updateSmsButtonText();
+    updateSmsButtonText(contactsFragment.getSelectedContacts().size());
 
     contactsFragment.setOnContactSelectedListener(this);
     shareButton.setOnClickListener(new ShareClickListener());
@@ -121,13 +120,14 @@ public class InviteActivity extends PassphraseRequiredActionBarActivity implemen
   }
 
   @Override
-  public void onContactSelected(Optional<RecipientId> recipientId, String number) {
-    updateSmsButtonText();
+  public boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number) {
+    updateSmsButtonText(contactsFragment.getSelectedContacts().size() + 1);
+    return true;
   }
 
   @Override
   public void onContactDeselected(Optional<RecipientId> recipientId, String number) {
-    updateSmsButtonText();
+    updateSmsButtonText(contactsFragment.getSelectedContacts().size());
   }
 
   private void sendSmsInvites() {
@@ -137,12 +137,11 @@ public class InviteActivity extends PassphraseRequiredActionBarActivity implemen
                                            .toArray(new SelectedContact[0]));
   }
 
-  private void updateSmsButtonText() {
-    List<SelectedContact> selectedContacts = contactsFragment.getSelectedContacts();
+  private void updateSmsButtonText(int count) {
     smsSendButton.setText(getResources().getQuantityString(R.plurals.InviteActivity_send_sms_to_friends,
-                                                           selectedContacts.size(),
-                                                           selectedContacts.size()));
-    smsSendButton.setEnabled(!selectedContacts.isEmpty());
+                                                           count,
+                                                           count));
+    smsSendButton.setEnabled(count > 0);
   }
 
   @Override public void onBackPressed() {
@@ -156,7 +155,7 @@ public class InviteActivity extends PassphraseRequiredActionBarActivity implemen
   private void cancelSmsSelection() {
     setPrimaryColorsToolbarNormal();
     contactsFragment.reset();
-    updateSmsButtonText();
+    updateSmsButtonText(contactsFragment.getSelectedContacts().size());
     ViewUtil.animateOut(smsSendFrame, slideOutAnimation, View.GONE);
   }
 

app/src/main/java/org/thoughtcrime/securesms/LoggingFragment.java

@@ -0,0 +1,45 @@
+package org.thoughtcrime.securesms;
+
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import org.thoughtcrime.securesms.logging.Log;
+
+/**
+ * Simply logs out lifecycle events.
+ */
+public abstract class LoggingFragment extends Fragment {
+
+  private static final String TAG = Log.tag(LoggingFragment.class);
+
+  @Override
+  public void onCreate(@Nullable Bundle savedInstanceState) {
+    logEvent("onCreate()");
+    super.onCreate(savedInstanceState);
+  }
+
+  @Override
+  public void onStart() {
+    logEvent("onStart()");
+    super.onStart();
+  }
+
+  @Override
+  public void onStop() {
+    logEvent("onStop()");
+    super.onStop();
+  }
+
+  @Override
+  public void onDestroy() {
+    logEvent("onDestroy()");
+    super.onDestroy();
+  }
+
+  private void logEvent(@NonNull String event) {
+    Log.d(TAG, "[" + Log.tag(getClass()) + "] " + event);
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/MainActivity.java

@@ -1,13 +1,16 @@
 package org.thoughtcrime.securesms;
 
+import android.content.Intent;
+import android.net.Uri;
 import android.os.Bundle;
 
 import androidx.annotation.NonNull;
 
+import org.thoughtcrime.securesms.util.CommunicationActions;
 import org.thoughtcrime.securesms.util.DynamicNoActionBarTheme;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 
-public class MainActivity extends PassphraseRequiredActionBarActivity {
+public class MainActivity extends PassphraseRequiredActivity {
 
   private final DynamicTheme  dynamicTheme = new DynamicNoActionBarTheme();
   private final MainNavigator navigator    = new MainNavigator(this);
@@ -18,6 +21,14 @@ public class MainActivity extends PassphraseRequiredActionBarActivity {
     setContentView(R.layout.main_activity);
 
     navigator.onCreate(savedInstanceState);
+
+    handleGroupLinkInIntent(getIntent());
+  }
+
+  @Override
+  protected void onNewIntent(Intent intent) {
+    super.onNewIntent(intent);
+    handleGroupLinkInIntent(intent);
   }
 
   @Override
@@ -42,4 +53,11 @@ public class MainActivity extends PassphraseRequiredActionBarActivity {
   public @NonNull MainNavigator getNavigator() {
     return navigator;
   }
+
+  private void handleGroupLinkInIntent(Intent intent) {
+    Uri data = intent.getData();
+    if (data != null) {
+      CommunicationActions.handlePotentialGroupLinkUrl(this, data.toString());
+    }
+  }
 }

app/src/main/java/org/thoughtcrime/securesms/MainFragment.java

@@ -3,9 +3,8 @@ package org.thoughtcrime.securesms;
 import android.content.Context;
 
 import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
 
-public class MainFragment extends Fragment {
+public class MainFragment extends LoggingFragment {
 
   @Override
   public void onAttach(@NonNull Context context) {

app/src/main/java/org/thoughtcrime/securesms/MediaPreviewActivity.java

@@ -20,17 +20,17 @@ import android.Manifest;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.Intent;
+import android.database.ContentObserver;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.os.Handler;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.Window;
-import android.view.WindowManager;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -67,17 +67,19 @@ import org.thoughtcrime.securesms.recipients.RecipientId;
 import org.thoughtcrime.securesms.sharing.ShareActivity;
 import org.thoughtcrime.securesms.util.AttachmentUtil;
 import org.thoughtcrime.securesms.util.DateUtils;
+import org.thoughtcrime.securesms.util.FullscreenHelper;
 import org.thoughtcrime.securesms.util.SaveAttachmentTask;
 import org.thoughtcrime.securesms.util.SaveAttachmentTask.Attachment;
 
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
+import java.util.Objects;
 
 /**
  * Activity for displaying media attachments in-app
  */
-public final class MediaPreviewActivity extends PassphraseRequiredActionBarActivity
+public final class MediaPreviewActivity extends PassphraseRequiredActivity
   implements LoaderManager.LoaderCallbacks<Pair<Cursor, Integer>>,
              MediaRailAdapter.RailItemListener,
              MediaPreviewFragment.Events
@@ -116,18 +118,22 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
   private boolean               cameFromAllMedia;
   private boolean               showThread;
   private MediaDatabase.Sorting sorting;
+  private FullscreenHelper      fullscreenHelper;
+
+  private @Nullable Cursor cursor = null;
 
   public static @NonNull Intent intentFromMediaRecord(@NonNull Context context,
                                                       @NonNull MediaRecord mediaRecord,
                                                       boolean leftIsRecent)
   {
+    DatabaseAttachment attachment = Objects.requireNonNull(mediaRecord.getAttachment());
     Intent intent = new Intent(context, MediaPreviewActivity.class);
     intent.putExtra(MediaPreviewActivity.THREAD_ID_EXTRA, mediaRecord.getThreadId());
     intent.putExtra(MediaPreviewActivity.DATE_EXTRA, mediaRecord.getDate());
-    intent.putExtra(MediaPreviewActivity.SIZE_EXTRA, mediaRecord.getAttachment().getSize());
-    intent.putExtra(MediaPreviewActivity.CAPTION_EXTRA, mediaRecord.getAttachment().getCaption());
+    intent.putExtra(MediaPreviewActivity.SIZE_EXTRA, attachment.getSize());
+    intent.putExtra(MediaPreviewActivity.CAPTION_EXTRA, attachment.getCaption());
     intent.putExtra(MediaPreviewActivity.LEFT_IS_RECENT_EXTRA, leftIsRecent);
-    intent.setDataAndType(mediaRecord.getAttachment().getDataUri(), mediaRecord.getContentType());
+    intent.setDataAndType(attachment.getUri(), mediaRecord.getContentType());
     return intent;
   }
 
@@ -141,10 +147,7 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
 
     viewModel = ViewModelProviders.of(this).get(MediaPreviewViewModel.class);
 
-    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
-                         WindowManager.LayoutParams.FLAG_FULLSCREEN);
-
-    showSystemUI();
+    fullscreenHelper = new FullscreenHelper(this);
 
     getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
@@ -181,7 +184,7 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
   private @NonNull String getTitleText(@NonNull MediaItem mediaItem) {
     String from;
     if      (mediaItem.outgoing)          from = getString(R.string.MediaPreviewActivity_you);
-    else if (mediaItem.recipient != null) from = mediaItem.recipient.toShortString(this);
+    else if (mediaItem.recipient != null) from = mediaItem.recipient.getDisplayName(this);
     else                                  from = "";
 
     if (showThread) {
@@ -193,7 +196,7 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
           if (threadRecipient.isLocalNumber()) {
             from = getString(R.string.note_to_self);
           } else {
-            to = threadRecipient.toShortString(this);
+            to = threadRecipient.getDisplayName(this);
           }
         } else {
           to = getString(R.string.MediaPreviewActivity_you);
@@ -228,6 +231,15 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
     restartItem = cleanupMedia();
   }
 
+  @Override
+  protected void onDestroy() {
+    if (cursor != null) {
+      cursor.close();
+      cursor = null;
+    }
+    super.onDestroy();
+  }
+
   @Override
   protected void onNewIntent(Intent intent) {
     super.onNewIntent(intent);
@@ -258,9 +270,9 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
 
     anchorMarginsToBottomInsets(detailsContainer);
 
-    anchorMarginsToTopInsets(toolbarLayout);
+    fullscreenHelper.configureToolbarSpacer(findViewById(R.id.toolbar_cutout_spacer));
 
-    showAndHideWithSystemUI(getWindow(), detailsContainer, toolbarLayout);
+    fullscreenHelper.showAndHideWithSystemUI(getWindow(), detailsContainer, toolbarLayout);
   }
 
   private void initializeResources() {
@@ -344,6 +356,7 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
 
     mediaPager.removeAllViews();
     mediaPager.setAdapter(null);
+    viewModel.setCursor(this, null, leftIsRecent);
 
     return restartItem;
   }
@@ -415,13 +428,17 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
   }
 
   @Override
-  public boolean onPrepareOptionsMenu(Menu menu) {
-    super.onPrepareOptionsMenu(menu);
-
+  public boolean onCreateOptionsMenu(Menu menu) {
     menu.clear();
     MenuInflater inflater = this.getMenuInflater();
     inflater.inflate(R.menu.media_preview, menu);
 
+    super.onCreateOptionsMenu(menu);
+    return true;
+  }
+
+  @Override
+  public boolean onPrepareOptionsMenu(Menu menu) {
     if (!isMediaInDb()) {
       menu.findItem(R.id.media_preview__overview).setVisible(false);
       menu.findItem(R.id.delete).setVisible(false);
@@ -431,6 +448,7 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
       menu.findItem(R.id.media_preview__overview).setVisible(false);
     }
 
+    super.onPrepareOptionsMenu(menu);
     return true;
   }
 
@@ -475,19 +493,46 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
   @Override
   public void onLoadFinished(@NonNull Loader<Pair<Cursor, Integer>> loader, @Nullable Pair<Cursor, Integer> data) {
     if (data != null) {
-      @SuppressWarnings("ConstantConditions")
-      CursorPagerAdapter adapter = new CursorPagerAdapter(getSupportFragmentManager(),this, data.first, data.second, leftIsRecent);
+      if (data.first == cursor) {
+        return;
+      }
+
+      if (cursor != null) {
+        cursor.close();
+      }
+      cursor = Objects.requireNonNull(data.first);
+
+      int mediaPosition = Objects.requireNonNull(data.second);
+
+      CursorPagerAdapter adapter = new CursorPagerAdapter(getSupportFragmentManager(),this, cursor, mediaPosition, leftIsRecent);
       mediaPager.setAdapter(adapter);
       adapter.setActive(true);
 
-      viewModel.setCursor(this, data.first, leftIsRecent);
+      viewModel.setCursor(this, cursor, leftIsRecent);
 
-      int item = restartItem >= 0 ? restartItem : data.second;
+      int item = restartItem >= 0 ? restartItem : mediaPosition;
       mediaPager.setCurrentItem(item);
 
       if (item == 0) {
         viewPagerListener.onPageSelected(0);
       }
+
+      cursor.registerContentObserver(new ContentObserver(new Handler(getMainLooper())) {
+        @Override
+        public void onChange(boolean selfChange) {
+          onMediaChange();
+        }
+      });
+    } else {
+      mediaNotAvailable();
+    }
+  }
+
+  private void onMediaChange() {
+    MediaItemAdapter adapter = (MediaItemAdapter) mediaPager.getAdapter();
+
+    if (adapter != null) {
+      adapter.checkMedia(mediaPager.getCurrentItem());
     }
   }
 
@@ -498,34 +543,14 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
 
   @Override
   public boolean singleTapOnMedia() {
-    toggleUiVisibility();
+    fullscreenHelper.toggleUiVisibility();
     return true;
   }
 
-  private void toggleUiVisibility() {
-    int systemUiVisibility = getWindow().getDecorView().getSystemUiVisibility();
-    if ((systemUiVisibility & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0) {
-      showSystemUI();
-    } else {
-      hideSystemUI();
-    }
-  }
-
-  private void hideSystemUI() {
-    getWindow().getDecorView().setSystemUiVisibility(
-        View.SYSTEM_UI_FLAG_IMMERSIVE              |
-        View.SYSTEM_UI_FLAG_LAYOUT_STABLE          |
-        View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
-        View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN      |
-        View.SYSTEM_UI_FLAG_HIDE_NAVIGATION        |
-        View.SYSTEM_UI_FLAG_FULLSCREEN              );
-  }
-
-  private void showSystemUI() {
-    getWindow().getDecorView().setSystemUiVisibility(
-        View.SYSTEM_UI_FLAG_LAYOUT_STABLE          |
-        View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
-        View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN       );
+  @Override
+  public void mediaNotAvailable() {
+    Toast.makeText(this, R.string.MediaPreviewActivity_media_no_longer_available, Toast.LENGTH_LONG).show();
+    finish();
   }
 
   private class ViewPagerListener extends ExtendedOnPageChangedListener {
@@ -621,6 +646,11 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
     public boolean hasFragmentFor(int position) {
       return mediaPreviewFragment != null;
     }
+
+    @Override
+    public void checkMedia(int currentItem) {
+
+    }
   }
 
   private static void anchorMarginsToBottomInsets(@NonNull View viewToAnchor) {
@@ -638,33 +668,6 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
     });
   }
 
-  private static void anchorMarginsToTopInsets(@NonNull View viewToAnchor) {
-    ViewCompat.setOnApplyWindowInsetsListener(viewToAnchor, (view, insets) -> {
-      ViewGroup.MarginLayoutParams layoutParams = (ViewGroup.MarginLayoutParams) view.getLayoutParams();
-
-      layoutParams.setMargins(insets.getSystemWindowInsetLeft(),
-                              insets.getSystemWindowInsetTop(),
-                              insets.getSystemWindowInsetRight(),
-                              layoutParams.bottomMargin);
-
-      view.setLayoutParams(layoutParams);
-
-      return insets;
-    });
-  }
-
-  private static void showAndHideWithSystemUI(@NonNull Window window, @NonNull View... views) {
-    window.getDecorView().setOnSystemUiVisibilityChangeListener(visibility -> {
-      boolean hide = (visibility & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
-
-      for (View view : views) {
-        view.animate()
-            .alpha(hide ? 0 : 1)
-            .start();
-      }
-    });
-  }
-
   private static class CursorPagerAdapter extends FragmentStatePagerAdapter implements MediaItemAdapter {
 
     @SuppressLint("UseSparseArrays")
@@ -712,7 +715,7 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
       cursor.moveToPosition(cursorPosition);
 
       MediaDatabase.MediaRecord mediaRecord = MediaDatabase.MediaRecord.from(context, cursor);
-      DatabaseAttachment        attachment  = mediaRecord.getAttachment();
+      DatabaseAttachment        attachment  = Objects.requireNonNull(mediaRecord.getAttachment());
       MediaPreviewFragment      fragment    = MediaPreviewFragment.newInstance(attachment, autoPlay);
 
       mediaFragments.put(position, fragment);
@@ -734,16 +737,15 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
     public MediaItem getMediaItemFor(int position) {
       cursor.moveToPosition(getCursorPosition(position));
 
-      MediaRecord mediaRecord       = MediaRecord.from(context, cursor);
-      RecipientId recipientId       = mediaRecord.getRecipientId();
-      RecipientId threadRecipientId = mediaRecord.getThreadRecipientId();
-
-      if (mediaRecord.getAttachment().getDataUri() == null) throw new AssertionError();
+      MediaRecord        mediaRecord       = MediaRecord.from(context, cursor);
+      DatabaseAttachment attachment        = Objects.requireNonNull(mediaRecord.getAttachment());
+      RecipientId        recipientId       = mediaRecord.getRecipientId();
+      RecipientId        threadRecipientId = mediaRecord.getThreadRecipientId();
 
       return new MediaItem(Recipient.live(recipientId).get(),
                            Recipient.live(threadRecipientId).get(),
-                           mediaRecord.getAttachment(),
-                           mediaRecord.getAttachment().getDataUri(),
+                           attachment,
+                           Objects.requireNonNull(attachment.getUri()),
                            mediaRecord.getContentType(),
                            mediaRecord.getDate(),
                            mediaRecord.isOutgoing());
@@ -767,6 +769,14 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
       return mediaFragments.containsKey(position);
     }
 
+    @Override
+    public void checkMedia(int position) {
+      MediaPreviewFragment fragment = mediaFragments.get(position);
+      if (fragment != null) {
+        fragment.checkMediaStillAvailable();
+      }
+    }
+
     private int getCursorPosition(int position) {
       if (leftIsRecent) return position;
       else              return cursor.getCount() - 1 - position;
@@ -805,5 +815,6 @@ public final class MediaPreviewActivity extends PassphraseRequiredActionBarActiv
     void pause(int position);
     @Nullable View getPlaybackControls(int position);
     boolean hasFragmentFor(int position);
+    void checkMedia(int currentItem);
   }
 }

app/src/main/java/org/thoughtcrime/securesms/MessageDetailsActivity.java

@@ -1,451 +0,0 @@
-/*
- * Copyright (C) 2015 Open Whisper Systems
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package org.thoughtcrime.securesms;
-
-import android.annotation.SuppressLint;
-import android.content.ClipData;
-import android.content.ClipboardManager;
-import android.content.Context;
-import android.database.Cursor;
-import android.graphics.drawable.ColorDrawable;
-import android.os.AsyncTask;
-import android.os.Build;
-import android.os.Bundle;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.loader.app.LoaderManager.LoaderCallbacks;
-import androidx.loader.content.Loader;
-
-import org.thoughtcrime.securesms.conversation.ConversationItem;
-import org.thoughtcrime.securesms.database.GroupDatabase;
-import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
-import org.thoughtcrime.securesms.logging.Log;
-
-import android.os.Parcelable;
-import android.view.LayoutInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ListView;
-import android.widget.TextView;
-
-import org.thoughtcrime.securesms.MessageDetailsRecipientAdapter.RecipientDeliveryStatus;
-import org.thoughtcrime.securesms.color.MaterialColor;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.database.GroupReceiptDatabase;
-import org.thoughtcrime.securesms.database.GroupReceiptDatabase.GroupReceiptInfo;
-import org.thoughtcrime.securesms.database.MmsDatabase;
-import org.thoughtcrime.securesms.database.MmsSmsDatabase;
-import org.thoughtcrime.securesms.database.SmsDatabase;
-import org.thoughtcrime.securesms.database.loaders.MessageDetailsLoader;
-import org.thoughtcrime.securesms.database.model.MessageRecord;
-import org.thoughtcrime.securesms.mms.GlideApp;
-import org.thoughtcrime.securesms.mms.GlideRequests;
-import org.thoughtcrime.securesms.recipients.LiveRecipient;
-import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.sms.MessageSender;
-import org.thoughtcrime.securesms.util.DateUtils;
-import org.thoughtcrime.securesms.util.DynamicDarkActionBarTheme;
-import org.thoughtcrime.securesms.util.DynamicLanguage;
-import org.thoughtcrime.securesms.util.DynamicTheme;
-import org.thoughtcrime.securesms.util.ExpirationUtil;
-import org.thoughtcrime.securesms.util.Util;
-import org.thoughtcrime.securesms.util.concurrent.SignalExecutors;
-import org.whispersystems.libsignal.util.guava.Optional;
-
-import java.lang.ref.WeakReference;
-import java.sql.Date;
-import java.text.SimpleDateFormat;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Locale;
-
-/**
- * @author Jake McGinty
- */
-public class MessageDetailsActivity extends PassphraseRequiredActionBarActivity implements LoaderCallbacks<Cursor> {
-  private final static String TAG = MessageDetailsActivity.class.getSimpleName();
-
-  public static final String MESSAGE_ID_EXTRA    = "message_id";
-  public static final String THREAD_ID_EXTRA     = "thread_id";
-  public static final String IS_PUSH_GROUP_EXTRA = "is_push_group";
-  public static final String TYPE_EXTRA          = "type";
-  public static final String RECIPIENT_EXTRA     = "recipient_id";
-
-  private GlideRequests    glideRequests;
-  private long             threadId;
-  private boolean          isPushGroup;
-  private ConversationItem conversationItem;
-  private ViewGroup        itemParent;
-  private View             metadataContainer;
-  private View             expiresContainer;
-  private TextView         errorText;
-  private View             resendButton;
-  private TextView         sentDate;
-  private TextView         receivedDate;
-  private TextView         expiresInText;
-  private View             receivedContainer;
-  private TextView         transport;
-  private TextView         toFrom;
-  private ListView         recipientsList;
-  private LayoutInflater   inflater;
-
-  private DynamicTheme     dynamicTheme    = new DynamicDarkActionBarTheme();
-  private DynamicLanguage  dynamicLanguage = new DynamicLanguage();
-
-  private boolean running;
-
-  @Override
-  protected void onPreCreate() {
-    dynamicTheme.onCreate(this);
-    dynamicLanguage.onCreate(this);
-  }
-
-  @Override
-  public void onCreate(Bundle bundle, boolean ready) {
-    setContentView(R.layout.message_details_activity);
-    running = true;
-
-    initializeResources();
-    initializeActionBar();
-    getSupportLoaderManager().initLoader(0, null, this);
-  }
-
-  @Override
-  protected void onResume() {
-    super.onResume();
-    dynamicTheme.onResume(this);
-    dynamicLanguage.onResume(this);
-
-    assert getSupportActionBar() != null;
-    getSupportActionBar().setTitle(R.string.AndroidManifest__message_details);
-
-    ApplicationDependencies.getMessageNotifier().setVisibleThread(threadId);
-  }
-
-  @Override
-  protected void onPause() {
-    super.onPause();
-    ApplicationDependencies.getMessageNotifier().clearVisibleThread();
-  }
-
-  @Override
-  protected void onDestroy() {
-    super.onDestroy();
-    running = false;
-  }
-
-  private void initializeActionBar() {
-    assert getSupportActionBar() != null;
-    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-
-    LiveRecipient recipient = Recipient.live(getIntent().getParcelableExtra(RECIPIENT_EXTRA));
-    recipient.observe(this, r -> setActionBarColor(r.getColor()));
-
-    setActionBarColor(recipient.get().getColor());
-  }
-
-  private void setActionBarColor(MaterialColor color) {
-    assert getSupportActionBar() != null;
-    getSupportActionBar().setBackgroundDrawable(new ColorDrawable(color.toActionBarColor(this)));
-
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-      getWindow().setStatusBarColor(color.toStatusBarColor(this));
-    }
-  }
-
-  private void initializeResources() {
-    inflater       = LayoutInflater.from(this);
-    View header = inflater.inflate(R.layout.message_details_header, recipientsList, false);
-
-    threadId          = getIntent().getLongExtra(THREAD_ID_EXTRA, -1);
-    isPushGroup       = getIntent().getBooleanExtra(IS_PUSH_GROUP_EXTRA, false);
-    glideRequests     = GlideApp.with(this);
-    itemParent        = header.findViewById(R.id.item_container);
-    recipientsList    = findViewById(R.id.recipients_list);
-    metadataContainer = header.findViewById(R.id.metadata_container);
-    errorText         = header.findViewById(R.id.error_text);
-    resendButton      = header.findViewById(R.id.resend_button);
-    sentDate          = header.findViewById(R.id.sent_time);
-    receivedContainer = header.findViewById(R.id.received_container);
-    receivedDate      = header.findViewById(R.id.received_time);
-    transport         = header.findViewById(R.id.transport);
-    toFrom            = header.findViewById(R.id.tofrom);
-    expiresContainer  = header.findViewById(R.id.expires_container);
-    expiresInText     = header.findViewById(R.id.expires_in);
-    recipientsList.setHeaderDividersEnabled(false);
-    recipientsList.addHeaderView(header, null, false);
-  }
-
-  private void updateTransport(MessageRecord messageRecord) {
-    final String transportText;
-    if (messageRecord.isOutgoing() && messageRecord.isFailed()) {
-      transportText = "-";
-    } else if (messageRecord.isPending()) {
-      transportText = getString(R.string.ConversationFragment_pending);
-    } else if (messageRecord.isPush()) {
-      transportText = getString(R.string.ConversationFragment_push);
-    } else if (messageRecord.isMms()) {
-      transportText = getString(R.string.ConversationFragment_mms);
-    } else {
-      transportText = getString(R.string.ConversationFragment_sms);
-    }
-
-    transport.setText(transportText);
-  }
-
-  private void updateTime(MessageRecord messageRecord) {
-    sentDate.setOnLongClickListener(null);
-    receivedDate.setOnLongClickListener(null);
-
-    if (messageRecord.isPending() || messageRecord.isFailed()) {
-      sentDate.setText("-");
-      receivedContainer.setVisibility(View.GONE);
-    } else {
-      Locale           dateLocale    = dynamicLanguage.getCurrentLocale();
-      SimpleDateFormat dateFormatter = DateUtils.getDetailedDateFormatter(this, dateLocale);
-      sentDate.setText(dateFormatter.format(new Date(messageRecord.getDateSent())));
-      sentDate.setOnLongClickListener(v -> {
-        copyToClipboard(String.valueOf(messageRecord.getDateSent()));
-        return true;
-      });
-
-      if (messageRecord.getDateReceived() != messageRecord.getDateSent() && !messageRecord.isOutgoing()) {
-        receivedDate.setText(dateFormatter.format(new Date(messageRecord.getDateReceived())));
-        receivedDate.setOnLongClickListener(v -> {
-          copyToClipboard(String.valueOf(messageRecord.getDateReceived()));
-          return true;
-        });
-        receivedContainer.setVisibility(View.VISIBLE);
-      } else {
-        receivedContainer.setVisibility(View.GONE);
-      }
-    }
-  }
-
-  private void updateExpirationTime(final MessageRecord messageRecord) {
-    if (messageRecord.getExpiresIn() <= 0 || messageRecord.getExpireStarted() <= 0) {
-      expiresContainer.setVisibility(View.GONE);
-      return;
-    }
-
-    expiresContainer.setVisibility(View.VISIBLE);
-    Util.runOnMain(new Runnable() {
-      @Override
-      public void run() {
-        long elapsed   = System.currentTimeMillis() - messageRecord.getExpireStarted();
-        long remaining = messageRecord.getExpiresIn() - elapsed;
-
-        String duration = ExpirationUtil.getExpirationDisplayValue(MessageDetailsActivity.this, Math.max((int)(remaining / 1000), 1));
-        expiresInText.setText(duration);
-
-        if (running) {
-          Util.runOnMainDelayed(this, 500);
-        }
-      }
-    });
-  }
-
-  private void updateRecipients(MessageRecord messageRecord, Recipient recipient, List<RecipientDeliveryStatus> recipients) {
-    final int toFromRes;
-    if (messageRecord.isMms() && !messageRecord.isPush() && !messageRecord.isOutgoing()) {
-      toFromRes = R.string.message_details_header__with;
-    } else if (messageRecord.isOutgoing()) {
-      toFromRes = R.string.message_details_header__to;
-    } else {
-      toFromRes = R.string.message_details_header__from;
-    }
-    toFrom.setText(toFromRes);
-    conversationItem.bind(messageRecord, Optional.absent(), Optional.absent(), glideRequests, dynamicLanguage.getCurrentLocale(), new HashSet<>(), recipient, null, false);
-    Parcelable state = recipientsList.onSaveInstanceState();
-    recipientsList.setAdapter(new MessageDetailsRecipientAdapter(this, glideRequests, messageRecord, recipients, isPushGroup));
-    recipientsList.onRestoreInstanceState(state);
-  }
-
-  private void inflateMessageViewIfAbsent(MessageRecord messageRecord) {
-    if (conversationItem == null) {
-      if (messageRecord.isGroupAction()) {
-        conversationItem = (ConversationItem) inflater.inflate(R.layout.conversation_item_update, itemParent, false);
-      } else if (messageRecord.isOutgoing()) {
-        conversationItem = (ConversationItem) inflater.inflate(R.layout.conversation_item_sent_multimedia, itemParent, false);
-      } else {
-        conversationItem = (ConversationItem) inflater.inflate(R.layout.conversation_item_received_multimedia, itemParent, false);
-      }
-      itemParent.addView(conversationItem);
-    }
-  }
-
-  private @Nullable MessageRecord getMessageRecord(Context context, Cursor cursor, String type) {
-    switch (type) {
-      case MmsSmsDatabase.SMS_TRANSPORT:
-        SmsDatabase        smsDatabase = DatabaseFactory.getSmsDatabase(context);
-        SmsDatabase.Reader reader      = smsDatabase.readerFor(cursor);
-        return reader.getNext();
-      case MmsSmsDatabase.MMS_TRANSPORT:
-        MmsDatabase        mmsDatabase = DatabaseFactory.getMmsDatabase(context);
-        MmsDatabase.Reader mmsReader   = mmsDatabase.readerFor(cursor);
-        return mmsReader.getNext();
-      default:
-        throw new AssertionError("no valid message type specified");
-    }
-  }
-
-  private void copyToClipboard(@NonNull String text) {
-    ((ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE)).setPrimaryClip(ClipData.newPlainText("text", text));
-  }
-
-  @Override
-  public @NonNull Loader<Cursor> onCreateLoader(int id, Bundle args) {
-    return new MessageDetailsLoader(this, getIntent().getStringExtra(TYPE_EXTRA),
-                                    getIntent().getLongExtra(MESSAGE_ID_EXTRA, -1));
-  }
-
-  @Override
-  public void onLoadFinished(@NonNull Loader<Cursor> loader, Cursor cursor) {
-    MessageRecord messageRecord = getMessageRecord(this, cursor, getIntent().getStringExtra(TYPE_EXTRA));
-
-    if (messageRecord == null) {
-      finish();
-    } else {
-      new MessageRecipientAsyncTask(this, messageRecord).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    }
-  }
-
-  @Override
-  public void onLoaderReset(@NonNull Loader<Cursor> loader) {
-    recipientsList.setAdapter(null);
-  }
-
-  @Override
-  public boolean onOptionsItemSelected(MenuItem item) {
-    super.onOptionsItemSelected(item);
-
-    switch (item.getItemId()) {
-      case android.R.id.home: finish(); return true;
-    }
-
-    return false;
-  }
-
-  @SuppressLint("StaticFieldLeak")
-  private class MessageRecipientAsyncTask extends AsyncTask<Void,Void,List<RecipientDeliveryStatus>> {
-
-    private final WeakReference<Context> weakContext;
-    private final MessageRecord          messageRecord;
-
-    MessageRecipientAsyncTask(@NonNull Context context, @NonNull MessageRecord messageRecord) {
-      this.weakContext   = new WeakReference<>(context);
-      this.messageRecord = messageRecord;
-    }
-
-    protected Context getContext() {
-      return weakContext.get();
-    }
-
-    @Override
-    public List<RecipientDeliveryStatus> doInBackground(Void... voids) {
-      Context context = getContext();
-
-      if (context == null) {
-        Log.w(TAG, "associated context is destroyed, finishing early");
-        return null;
-      }
-
-      List<RecipientDeliveryStatus> recipients = new LinkedList<>();
-
-      if (!messageRecord.getRecipient().isGroup()) {
-        recipients.add(new RecipientDeliveryStatus(messageRecord.getRecipient(), getStatusFor(messageRecord.getDeliveryReceiptCount(), messageRecord.getReadReceiptCount(), messageRecord.isPending()), messageRecord.isUnidentified(), -1));
-      } else {
-        List<GroupReceiptInfo> receiptInfoList = DatabaseFactory.getGroupReceiptDatabase(context).getGroupReceiptInfo(messageRecord.getId());
-
-        if (receiptInfoList.isEmpty()) {
-          List<Recipient> group = DatabaseFactory.getGroupDatabase(context).getGroupMembers(messageRecord.getRecipient().requireGroupId(), GroupDatabase.MemberSet.FULL_MEMBERS_EXCLUDING_SELF);
-
-          for (Recipient recipient : group) {
-            recipients.add(new RecipientDeliveryStatus(recipient, RecipientDeliveryStatus.Status.UNKNOWN, false, -1));
-          }
-        } else {
-          for (GroupReceiptInfo info : receiptInfoList) {
-            recipients.add(new RecipientDeliveryStatus(Recipient.resolved(info.getRecipientId()),
-                                                       getStatusFor(info.getStatus(), messageRecord.isPending(), messageRecord.isFailed()),
-                                                       info.isUnidentified(),
-                                                       info.getTimestamp()));
-          }
-        }
-      }
-
-      return recipients;
-    }
-
-    @Override
-    public void onPostExecute(List<RecipientDeliveryStatus> recipients) {
-      if (getContext() == null) {
-        Log.w(TAG, "AsyncTask finished with a destroyed context, leaving early.");
-        return;
-      }
-
-      inflateMessageViewIfAbsent(messageRecord);
-      updateRecipients(messageRecord, messageRecord.getRecipient(), recipients);
-
-      boolean isGroupNetworkFailure      = messageRecord.isFailed() && !messageRecord.getNetworkFailures().isEmpty();
-      boolean isIndividualNetworkFailure = messageRecord.isFailed() && !isPushGroup && messageRecord.getIdentityKeyMismatches().isEmpty();
-
-      if (isGroupNetworkFailure || isIndividualNetworkFailure) {
-        errorText.setVisibility(View.VISIBLE);
-        resendButton.setVisibility(View.VISIBLE);
-        resendButton.setOnClickListener(this::onResendClicked);
-        metadataContainer.setVisibility(View.GONE);
-      } else if (messageRecord.isFailed()) {
-        errorText.setVisibility(View.VISIBLE);
-        resendButton.setVisibility(View.GONE);
-        resendButton.setOnClickListener(null);
-        metadataContainer.setVisibility(View.GONE);
-      } else {
-        updateTransport(messageRecord);
-        updateTime(messageRecord);
-        updateExpirationTime(messageRecord);
-        errorText.setVisibility(View.GONE);
-        resendButton.setVisibility(View.GONE);
-        resendButton.setOnClickListener(null);
-        metadataContainer.setVisibility(View.VISIBLE);
-      }
-    }
-
-    private RecipientDeliveryStatus.Status getStatusFor(int deliveryReceiptCount, int readReceiptCount, boolean pending) {
-      if      (readReceiptCount > 0)     return RecipientDeliveryStatus.Status.READ;
-      else if (deliveryReceiptCount > 0) return RecipientDeliveryStatus.Status.DELIVERED;
-      else if (!pending)                 return RecipientDeliveryStatus.Status.SENT;
-      else                               return RecipientDeliveryStatus.Status.PENDING;
-    }
-
-    private RecipientDeliveryStatus.Status getStatusFor(int groupStatus, boolean pending, boolean failed) {
-      if      (groupStatus == GroupReceiptDatabase.STATUS_READ)                    return RecipientDeliveryStatus.Status.READ;
-      else if (groupStatus == GroupReceiptDatabase.STATUS_DELIVERED)               return RecipientDeliveryStatus.Status.DELIVERED;
-      else if (groupStatus == GroupReceiptDatabase.STATUS_UNDELIVERED && failed)   return RecipientDeliveryStatus.Status.UNKNOWN;
-      else if (groupStatus == GroupReceiptDatabase.STATUS_UNDELIVERED && !pending) return RecipientDeliveryStatus.Status.SENT;
-      else if (groupStatus == GroupReceiptDatabase.STATUS_UNDELIVERED)             return RecipientDeliveryStatus.Status.PENDING;
-      else if (groupStatus == GroupReceiptDatabase.STATUS_UNKNOWN)                 return RecipientDeliveryStatus.Status.UNKNOWN;
-      throw new AssertionError();
-    }
-
-    private void onResendClicked(View v) {
-      resendButton.setVisibility(View.GONE);
-      SignalExecutors.BOUNDED.execute(() -> MessageSender.resend(MessageDetailsActivity.this, messageRecord));
-    }
-  }
-}

app/src/main/java/org/thoughtcrime/securesms/MessageDetailsRecipientAdapter.java

@@ -1,112 +0,0 @@
-package org.thoughtcrime.securesms;
-
-import android.content.Context;
-import androidx.annotation.NonNull;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AbsListView;
-import android.widget.BaseAdapter;
-
-import org.thoughtcrime.securesms.database.model.MessageRecord;
-import org.thoughtcrime.securesms.mms.GlideRequests;
-import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.recipients.RecipientId;
-import org.thoughtcrime.securesms.util.Conversions;
-import org.thoughtcrime.securesms.util.adapter.StableIdGenerator;
-
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.util.List;
-
-class MessageDetailsRecipientAdapter extends BaseAdapter implements AbsListView.RecyclerListener {
-
-  private final Context                        context;
-  private final GlideRequests                  glideRequests;
-  private final MessageRecord                  record;
-  private final List<RecipientDeliveryStatus>  members;
-  private final boolean                        isPushGroup;
-  private final StableIdGenerator<RecipientId> idGenerator;
-
-  MessageDetailsRecipientAdapter(@NonNull Context context, @NonNull GlideRequests glideRequests,
-                                 @NonNull MessageRecord record, @NonNull List<RecipientDeliveryStatus> members,
-                                 boolean isPushGroup)
-  {
-    this.context       = context;
-    this.glideRequests = glideRequests;
-    this.record        = record;
-    this.isPushGroup   = isPushGroup;
-    this.members       = members;
-    this.idGenerator   = new StableIdGenerator<>();
-  }
-
-  @Override
-  public int getCount() {
-    return members.size();
-  }
-
-  @Override
-  public Object getItem(int position) {
-    return members.get(position);
-  }
-
-  @Override
-  public long getItemId(int position) {
-    return idGenerator.getId(members.get(position).recipient.getId());
-  }
-
-  @Override
-  public View getView(int position, View convertView, ViewGroup parent) {
-    if (convertView == null) {
-      convertView = LayoutInflater.from(context).inflate(R.layout.message_recipient_list_item, parent, false);
-    }
-
-    RecipientDeliveryStatus member = members.get(position);
-
-    ((MessageRecipientListItem)convertView).set(glideRequests, record, member, isPushGroup);
-    return convertView;
-  }
-
-  @Override
-  public void onMovedToScrapHeap(View view) {
-    ((MessageRecipientListItem)view).unbind();
-  }
-
-
-  static class RecipientDeliveryStatus {
-
-    enum Status {
-      UNKNOWN, PENDING, SENT, DELIVERED, READ
-    }
-
-    private final Recipient recipient;
-    private final Status    deliveryStatus;
-    private final boolean   isUnidentified;
-    private final long      timestamp;
-
-    RecipientDeliveryStatus(Recipient recipient, Status deliveryStatus, boolean isUnidentified, long timestamp) {
-      this.recipient      = recipient;
-      this.deliveryStatus = deliveryStatus;
-      this.isUnidentified = isUnidentified;
-      this.timestamp      = timestamp;
-    }
-
-    Status getDeliveryStatus() {
-      return deliveryStatus;
-    }
-
-    boolean isUnidentified() {
-      return isUnidentified;
-    }
-
-    public long getTimestamp() {
-      return timestamp;
-    }
-
-    public Recipient getRecipient() {
-      return recipient;
-    }
-
-  }
-
-}

app/src/main/java/org/thoughtcrime/securesms/MessageRecipientListItem.java

@@ -1,200 +0,0 @@
-/*
- * Copyright (C) 2014 Open Whisper Systems
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package org.thoughtcrime.securesms;
-
-import android.content.Context;
-import android.text.TextUtils;
-import android.util.AttributeSet;
-import android.view.View;
-import android.widget.Button;
-import android.widget.ImageView;
-import android.widget.RelativeLayout;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-
-import org.thoughtcrime.securesms.MessageDetailsRecipientAdapter.RecipientDeliveryStatus;
-import org.thoughtcrime.securesms.components.AvatarImageView;
-import org.thoughtcrime.securesms.components.DeliveryStatusView;
-import org.thoughtcrime.securesms.components.FromTextView;
-import org.thoughtcrime.securesms.database.documents.IdentityKeyMismatch;
-import org.thoughtcrime.securesms.database.documents.NetworkFailure;
-import org.thoughtcrime.securesms.database.model.MessageRecord;
-import org.thoughtcrime.securesms.logging.Log;
-import org.thoughtcrime.securesms.mms.GlideRequests;
-import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.recipients.RecipientForeverObserver;
-import org.thoughtcrime.securesms.util.TextSecurePreferences;
-
-/**
- * A simple view to show the recipients of a message
- *
- * @author Jake McGinty
- */
-public class MessageRecipientListItem extends RelativeLayout
-    implements RecipientForeverObserver
-{
-  @SuppressWarnings("unused")
-  private final static String TAG = MessageRecipientListItem.class.getSimpleName();
-
-  private RecipientDeliveryStatus member;
-  private GlideRequests           glideRequests;
-  private FromTextView            fromView;
-  private TextView                errorDescription;
-  private TextView                actionDescription;
-  private Button                  conflictButton;
-  private AvatarImageView         contactPhotoImage;
-  private ImageView               unidentifiedDeliveryIcon;
-  private DeliveryStatusView      deliveryStatusView;
-
-  public MessageRecipientListItem(Context context) {
-    super(context);
-  }
-
-  public MessageRecipientListItem(Context context, AttributeSet attrs) {
-    super(context, attrs);
-  }
-
-  @Override
-  protected void onFinishInflate() {
-    super.onFinishInflate();
-    this.fromView                 = findViewById(R.id.from);
-    this.errorDescription         = findViewById(R.id.error_description);
-    this.actionDescription        = findViewById(R.id.action_description);
-    this.contactPhotoImage        = findViewById(R.id.contact_photo_image);
-    this.conflictButton           = findViewById(R.id.conflict_button);
-    this.unidentifiedDeliveryIcon = findViewById(R.id.ud_indicator);
-    this.deliveryStatusView       = findViewById(R.id.delivery_status);
-  }
-
-  @Override
-  protected void onAttachedToWindow() {
-    super.onAttachedToWindow();
-    observeMember();
-  }
-
-  @Override
-  protected void onDetachedFromWindow() {
-    unsubscribeFromMember();
-    super.onDetachedFromWindow();
-  }
-
-  public void set(final GlideRequests glideRequests,
-                  final MessageRecord record,
-                  final RecipientDeliveryStatus member,
-                  final boolean isPushGroup)
-  {
-    unsubscribeFromMember();
-
-    this.glideRequests = glideRequests;
-    this.member        = member;
-    observeMember();
-
-    fromView.setText(member.getRecipient());
-    contactPhotoImage.setAvatar(glideRequests, member.getRecipient(), false);
-    setIssueIndicators(record, isPushGroup);
-    unidentifiedDeliveryIcon.setVisibility(TextSecurePreferences.isShowUnidentifiedDeliveryIndicatorsEnabled(getContext()) && member.isUnidentified() ? VISIBLE : GONE);
-  }
-
-  private void observeMember() {
-    if (isAttachedToWindow() && member != null && member.getRecipient() != null) {
-      member.getRecipient().live().observeForever(this);
-    }
-  }
-
-  private void unsubscribeFromMember() {
-    if (member != null && member.getRecipient() != null) member.getRecipient().live().removeForeverObserver(this);
-  }
-
-  private void setIssueIndicators(final MessageRecord record,
-                                  final boolean isPushGroup)
-  {
-    final NetworkFailure      networkFailure = getNetworkFailure(record);
-    final IdentityKeyMismatch keyMismatch    = networkFailure == null ? getKeyMismatch(record) : null;
-
-    String errorText = "";
-
-    if (keyMismatch != null) {
-      conflictButton.setVisibility(View.VISIBLE);
-
-      errorText = getContext().getString(R.string.MessageDetailsRecipient_new_safety_number);
-      conflictButton.setOnClickListener(v -> new ConfirmIdentityDialog(getContext(), record, keyMismatch).show());
-    } else if ((networkFailure != null && !record.isPending()) || (!isPushGroup && record.isFailed())) {
-      conflictButton.setVisibility(View.GONE);
-      errorText = getContext().getString(R.string.MessageDetailsRecipient_failed_to_send);
-    } else {
-      if (record.isOutgoing()) {
-        if (member.getDeliveryStatus() == RecipientDeliveryStatus.Status.PENDING || member.getDeliveryStatus() == RecipientDeliveryStatus.Status.UNKNOWN) {
-          deliveryStatusView.setVisibility(View.GONE);
-        } else if (member.getDeliveryStatus() == RecipientDeliveryStatus.Status.READ) {
-          deliveryStatusView.setRead();
-          deliveryStatusView.setVisibility(View.VISIBLE);
-        } else if (member.getDeliveryStatus() == RecipientDeliveryStatus.Status.DELIVERED) {
-          deliveryStatusView.setDelivered();
-          deliveryStatusView.setVisibility(View.VISIBLE);
-        } else if (member.getDeliveryStatus() == RecipientDeliveryStatus.Status.SENT) {
-          deliveryStatusView.setSent();
-          deliveryStatusView.setVisibility(View.VISIBLE);
-        }
-      } else {
-        deliveryStatusView.setVisibility(View.GONE);
-      }
-
-      conflictButton.setVisibility(View.GONE);
-    }
-
-    errorDescription.setText(errorText);
-    errorDescription.setVisibility(TextUtils.isEmpty(errorText) ? View.GONE : View.VISIBLE);
-  }
-
-  private NetworkFailure getNetworkFailure(final MessageRecord record) {
-    if (record.hasNetworkFailures()) {
-      for (final NetworkFailure failure : record.getNetworkFailures()) {
-        if (failure.getRecipientId(getContext()).equals(member.getRecipient().getId())) {
-          return failure;
-        }
-      }
-    }
-    return null;
-  }
-
-  private IdentityKeyMismatch getKeyMismatch(final MessageRecord record) {
-    if (record.isIdentityMismatchFailure()) {
-      for (final IdentityKeyMismatch mismatch : record.getIdentityKeyMismatches()) {
-        if (mismatch.getRecipientId(getContext()).equals(member.getRecipient().getId())) {
-          return mismatch;
-        }
-      }
-    }
-    return null;
-  }
-
-  public void unbind() {
-    unsubscribeFromMember();
-  }
-
-  @Override
-  public void onRecipientChanged(@NonNull Recipient recipient) {
-    if (this.member != null && this.member.getRecipient().equals(recipient)) {
-      Log.d(TAG, "onRecipientChanged -- valid");
-      fromView.setText(recipient);
-      contactPhotoImage.setAvatar(glideRequests, recipient, false);
-    } else {
-      Log.d(TAG, "onRecipientChanged -- invalid");
-    }
-  }
-}

app/src/main/java/org/thoughtcrime/securesms/NewConversationActivity.java

@@ -21,15 +21,25 @@ import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuItem;
 
+import androidx.appcompat.app.AlertDialog;
+
+import org.thoughtcrime.securesms.contacts.sync.DirectoryHelper;
 import org.thoughtcrime.securesms.conversation.ConversationActivity;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.ThreadDatabase;
 import org.thoughtcrime.securesms.groups.ui.creategroup.CreateGroupActivity;
+import org.thoughtcrime.securesms.jobmanager.impl.NetworkConstraint;
 import org.thoughtcrime.securesms.logging.Log;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientId;
+import org.thoughtcrime.securesms.util.FeatureFlags;
+import org.thoughtcrime.securesms.util.TextSecurePreferences;
+import org.thoughtcrime.securesms.util.concurrent.SimpleTask;
+import org.thoughtcrime.securesms.util.views.SimpleProgressDialog;
 import org.whispersystems.libsignal.util.guava.Optional;
 
+import java.io.IOException;
+
 /**
  * Activity container for starting a new conversation.
  *
@@ -51,15 +61,41 @@ public class NewConversationActivity extends ContactSelectionActivity
   }
 
   @Override
-  public void onContactSelected(Optional<RecipientId> recipientId, String number) {
-    Recipient recipient;
+  public boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number) {
     if (recipientId.isPresent()) {
-      recipient = Recipient.resolved(recipientId.get());
+      launch(Recipient.resolved(recipientId.get()));
     } else {
       Log.i(TAG, "[onContactSelected] Maybe creating a new recipient.");
-      recipient = Recipient.external(this, number);
+
+      if (TextSecurePreferences.isPushRegistered(this) && NetworkConstraint.isMet(this)) {
+        Log.i(TAG, "[onContactSelected] Doing contact refresh.");
+
+        AlertDialog progress = SimpleProgressDialog.show(this);
+
+        SimpleTask.run(getLifecycle(), () -> {
+          Recipient resolved = Recipient.external(this, number);
+
+          if (!resolved.isRegistered() || !resolved.hasUuid()) {
+            Log.i(TAG, "[onContactSelected] Not registered or no UUID. Doing a directory refresh.");
+            try {
+              DirectoryHelper.refreshDirectoryFor(this, resolved, false);
+              resolved = Recipient.resolved(resolved.getId());
+            } catch (IOException e) {
+              Log.w(TAG, "[onContactSelected] Failed to refresh directory for new contact.");
+            }
+          }
+
+          return resolved;
+        }, resolved -> {
+          progress.dismiss();
+          launch(resolved);
+        });
+      } else {
+        launch(Recipient.external(this, number));
+      }
     }
-    launch(recipient);
+
+    return true;
   }
 
   private void launch(Recipient recipient) {
@@ -68,7 +104,7 @@ public class NewConversationActivity extends ContactSelectionActivity
     intent.putExtra(ConversationActivity.TEXT_EXTRA, getIntent().getStringExtra(ConversationActivity.TEXT_EXTRA));
     intent.setDataAndType(getIntent().getData(), getIntent().getType());
 
-    long existingThread = DatabaseFactory.getThreadDatabase(this).getThreadIdIfExistsFor(recipient);
+    long existingThread = DatabaseFactory.getThreadDatabase(this).getThreadIdIfExistsFor(recipient.getId());
 
     intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, existingThread);
     intent.putExtra(ConversationActivity.DISTRIBUTION_TYPE_EXTRA, ThreadDatabase.DistributionTypes.DEFAULT);
@@ -104,11 +140,11 @@ public class NewConversationActivity extends ContactSelectionActivity
   }
 
   @Override
-  public boolean onPrepareOptionsMenu(Menu menu) {
+  public boolean onCreateOptionsMenu(Menu menu) {
     menu.clear();
     getMenuInflater().inflate(R.menu.new_conversation_activity, menu);
 
-    super.onPrepareOptionsMenu(menu);
+    super.onCreateOptionsMenu(menu);
     return true;
   }
 

app/src/main/java/org/thoughtcrime/securesms/PassphraseActivity.java

@@ -32,7 +32,7 @@ import org.thoughtcrime.securesms.service.KeyCachingService;
  *
  * @author Moxie Marlinspike
  */
-public abstract class PassphraseActivity extends BaseActionBarActivity {
+public abstract class PassphraseActivity extends BaseActivity {
 
   private static final String TAG = PassphraseActivity.class.getSimpleName();
 

app/src/main/java/org/thoughtcrime/securesms/PassphrasePromptActivity.java

@@ -132,12 +132,13 @@ public class PassphrasePromptActivity extends PassphraseActivity {
   }
 
   @Override
-  public boolean onPrepareOptionsMenu(Menu menu) {
+  public boolean onCreateOptionsMenu(Menu menu) {
     MenuInflater inflater = this.getMenuInflater();
     menu.clear();
 
     inflater.inflate(R.menu.log_submit, menu);
-    super.onPrepareOptionsMenu(menu);
+
+    super.onCreateOptionsMenu(menu);
     return true;
   }
 

app/src/main/java/org/thoughtcrime/securesms/PassphraseRequiredActivity.java

@@ -29,8 +29,8 @@ import org.thoughtcrime.securesms.util.TextSecurePreferences;
 
 import java.util.Locale;
 
-public abstract class PassphraseRequiredActionBarActivity extends BaseActionBarActivity implements MasterSecretListener {
-  private static final String TAG = PassphraseRequiredActionBarActivity.class.getSimpleName();
+public abstract class PassphraseRequiredActivity extends BaseActivity implements MasterSecretListener {
+  private static final String TAG = PassphraseRequiredActivity.class.getSimpleName();
 
   public static final String LOCALE_EXTRA      = "locale_extra";
   public static final String NEXT_INTENT_EXTRA = "next_intent";
@@ -49,7 +49,6 @@ public abstract class PassphraseRequiredActionBarActivity extends BaseActionBarA
 
   @Override
   protected final void onCreate(Bundle savedInstanceState) {
-    Log.d(TAG, "[" + Log.tag(getClass()) + "] onCreate()");
     this.networkAccess = new SignalServiceNetworkAccess(this);
     onPreCreate();
 
@@ -69,7 +68,6 @@ public abstract class PassphraseRequiredActionBarActivity extends BaseActionBarA
 
   @Override
   protected void onResume() {
-    Log.d(TAG, "[" + Log.tag(getClass()) + "] onResume()");
     super.onResume();
 
     if (networkAccess.isCensored(this)) {
@@ -77,27 +75,8 @@ public abstract class PassphraseRequiredActionBarActivity extends BaseActionBarA
     }
   }
 
-  @Override
-  protected void onStart() {
-    Log.d(TAG, "[" + Log.tag(getClass()) + "] onStart()");
-    super.onStart();
-  }
-
-  @Override
-  protected void onPause() {
-    Log.d(TAG, "[" + Log.tag(getClass()) + "] onPause()");
-    super.onPause();
-  }
-
-  @Override
-  protected void onStop() {
-    Log.d(TAG, "[" + Log.tag(getClass()) + "] onStop()");
-    super.onStop();
-  }
-
   @Override
   protected void onDestroy() {
-    Log.d(TAG, "[" + Log.tag(getClass()) + "] onDestroy()");
     super.onDestroy();
     removeClearKeyReceiver(this);
   }
@@ -185,7 +164,7 @@ public abstract class PassphraseRequiredActionBarActivity extends BaseActionBarA
   }
 
   private boolean userMustCreateSignalPin() {
-    return !SignalStore.registrationValues().isRegistrationComplete() && !SignalStore.kbsValues().hasPin() && !SignalStore.kbsValues().lastPinCreateFailed();
+    return !SignalStore.registrationValues().isRegistrationComplete() && !SignalStore.kbsValues().hasPin() && !SignalStore.kbsValues().lastPinCreateFailed() && !SignalStore.kbsValues().hasOptedOut();
   }
 
   private boolean userMustSetProfileName() {

app/src/main/java/org/thoughtcrime/securesms/PromptMmsActivity.java

@@ -6,7 +6,7 @@ import android.widget.Button;
 
 import org.thoughtcrime.securesms.preferences.MmsPreferencesActivity;
 
-public class PromptMmsActivity extends PassphraseRequiredActionBarActivity {
+public class PromptMmsActivity extends PassphraseRequiredActivity {
 
   @Override
   protected void onCreate(Bundle bundle, boolean ready) {

app/src/main/java/org/thoughtcrime/securesms/RecipientPreferenceActivity.java

@@ -1,770 +0,0 @@
-package org.thoughtcrime.securesms;
-
-import android.annotation.SuppressLint;
-import android.content.Context;
-import android.content.Intent;
-import android.database.Cursor;
-import android.graphics.Color;
-import android.graphics.drawable.Drawable;
-import android.media.Ringtone;
-import android.media.RingtoneManager;
-import android.net.Uri;
-import android.os.AsyncTask;
-import android.os.Build;
-import android.os.Bundle;
-import android.provider.Settings;
-import android.telephony.PhoneNumberUtils;
-import android.util.Pair;
-import android.view.LayoutInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.WindowManager;
-import android.widget.ImageView;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.appcompat.widget.Toolbar;
-import androidx.core.view.ViewCompat;
-import androidx.fragment.app.Fragment;
-import androidx.loader.app.LoaderManager;
-import androidx.loader.content.Loader;
-import androidx.preference.CheckBoxPreference;
-import androidx.preference.ListPreference;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceCategory;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.bumptech.glide.load.DataSource;
-import com.bumptech.glide.load.engine.DiskCacheStrategy;
-import com.bumptech.glide.load.engine.GlideException;
-import com.bumptech.glide.request.RequestListener;
-import com.bumptech.glide.request.target.Target;
-import com.google.android.material.appbar.CollapsingToolbarLayout;
-
-import org.thoughtcrime.securesms.color.MaterialColor;
-import org.thoughtcrime.securesms.color.MaterialColors;
-import org.thoughtcrime.securesms.components.SwitchPreferenceCompat;
-import org.thoughtcrime.securesms.components.ThreadPhotoRailView;
-import org.thoughtcrime.securesms.contacts.avatars.ContactPhoto;
-import org.thoughtcrime.securesms.contacts.avatars.FallbackContactPhoto;
-import org.thoughtcrime.securesms.contacts.avatars.ProfileContactPhoto;
-import org.thoughtcrime.securesms.contacts.avatars.ResourceContactPhoto;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.database.IdentityDatabase.IdentityRecord;
-import org.thoughtcrime.securesms.database.MediaDatabase;
-import org.thoughtcrime.securesms.database.RecipientDatabase;
-import org.thoughtcrime.securesms.database.RecipientDatabase.VibrateState;
-import org.thoughtcrime.securesms.database.loaders.RecipientMediaLoader;
-import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
-import org.thoughtcrime.securesms.jobs.MultiDeviceContactUpdateJob;
-import org.thoughtcrime.securesms.logging.Log;
-import org.thoughtcrime.securesms.mediaoverview.MediaOverviewActivity;
-import org.thoughtcrime.securesms.mms.GlideApp;
-import org.thoughtcrime.securesms.mms.GlideRequests;
-import org.thoughtcrime.securesms.notifications.NotificationChannels;
-import org.thoughtcrime.securesms.permissions.Permissions;
-import org.thoughtcrime.securesms.preferences.CorrectedPreferenceFragment;
-import org.thoughtcrime.securesms.preferences.widgets.ColorPickerPreference;
-import org.thoughtcrime.securesms.preferences.widgets.ContactPreference;
-import org.thoughtcrime.securesms.recipients.LiveRecipient;
-import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.recipients.RecipientId;
-import org.thoughtcrime.securesms.recipients.RecipientUtil;
-import org.thoughtcrime.securesms.util.CommunicationActions;
-import org.thoughtcrime.securesms.util.DynamicDarkToolbarTheme;
-import org.thoughtcrime.securesms.util.DynamicTheme;
-import org.thoughtcrime.securesms.util.FeatureFlags;
-import org.thoughtcrime.securesms.util.IdentityUtil;
-import org.thoughtcrime.securesms.util.ServiceUtil;
-import org.thoughtcrime.securesms.util.TextSecurePreferences;
-import org.thoughtcrime.securesms.util.ThemeUtil;
-import org.thoughtcrime.securesms.util.Util;
-import org.thoughtcrime.securesms.util.ViewUtil;
-import org.thoughtcrime.securesms.util.concurrent.ListenableFuture;
-import org.thoughtcrime.securesms.util.concurrent.SimpleTask;
-import org.whispersystems.libsignal.util.guava.Optional;
-
-import java.util.concurrent.ExecutionException;
-
-@SuppressLint("StaticFieldLeak")
-public class RecipientPreferenceActivity extends PassphraseRequiredActionBarActivity implements LoaderManager.LoaderCallbacks<Cursor>
-{
-  private static final String TAG = RecipientPreferenceActivity.class.getSimpleName();
-
-  public static final String RECIPIENT_ID = "recipient";
-
-  private static final String PREFERENCE_MUTED                 = "pref_key_recipient_mute";
-  private static final String PREFERENCE_MESSAGE_TONE          = "pref_key_recipient_ringtone";
-  private static final String PREFERENCE_CALL_TONE             = "pref_key_recipient_call_ringtone";
-  private static final String PREFERENCE_MESSAGE_VIBRATE       = "pref_key_recipient_vibrate";
-  private static final String PREFERENCE_CALL_VIBRATE          = "pref_key_recipient_call_vibrate";
-  private static final String PREFERENCE_BLOCK                 = "pref_key_recipient_block";
-  private static final String PREFERENCE_COLOR                 = "pref_key_recipient_color";
-  private static final String PREFERENCE_IDENTITY              = "pref_key_recipient_identity";
-  private static final String PREFERENCE_ABOUT                 = "pref_key_number";
-  private static final String PREFERENCE_CUSTOM_NOTIFICATIONS  = "pref_key_recipient_custom_notifications";
-
-  private final DynamicTheme dynamicTheme = new DynamicDarkToolbarTheme();
-
-  private ImageView               avatar;
-  private GlideRequests           glideRequests;
-  private RecipientId             recipientId;
-  private TextView                threadPhotoRailLabel;
-  private ThreadPhotoRailView     threadPhotoRailView;
-  private CollapsingToolbarLayout toolbarLayout;
-
-  public static @NonNull Intent getLaunchIntent(@NonNull Context context, @NonNull RecipientId id) {
-    Intent intent = new Intent(context, RecipientPreferenceActivity.class);
-    intent.putExtra(RecipientPreferenceActivity.RECIPIENT_ID, id);
-
-    return intent;
-  }
-
-  @Override
-  public void onPreCreate() {
-    dynamicTheme.onCreate(this);
-  }
-
-  @Override
-  public void onCreate(Bundle instanceState, boolean ready) {
-    setContentView(R.layout.recipient_preference_activity);
-    this.glideRequests = GlideApp.with(this);
-    this.recipientId   = getIntent().getParcelableExtra(RECIPIENT_ID);
-
-    LiveRecipient recipient = Recipient.live(recipientId);
-
-    initializeToolbar();
-    setHeader(recipient.get());
-    recipient.observe(this, this::setHeader);
-
-    LoaderManager.getInstance(this).initLoader(0, null, this);
-  }
-
-  @Override
-  public void onResume() {
-    super.onResume();
-    dynamicTheme.onResume(this);
-  }
-
-  @Override
-  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-    super.onActivityResult(requestCode, resultCode, data);
-    Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.preference_fragment);
-    fragment.onActivityResult(requestCode, resultCode, data);
-  }
-
-  @Override
-  public boolean onOptionsItemSelected(MenuItem item) {
-    super.onOptionsItemSelected(item);
-    switch (item.getItemId()) {
-      case android.R.id.home:
-        onBackPressed();
-        return true;
-    }
-
-    return false;
-  }
-
-  private void initializeToolbar() {
-    this.toolbarLayout        = findViewById(R.id.collapsing_toolbar);
-    this.avatar               = findViewById(R.id.avatar);
-    this.threadPhotoRailView  = findViewById(R.id.recent_photos);
-    this.threadPhotoRailLabel = findViewById(R.id.rail_label);
-
-    this.toolbarLayout.setExpandedTitleColor(ThemeUtil.getThemedColor(this, R.attr.conversation_title_color));
-    this.toolbarLayout.setCollapsedTitleTextColor(ThemeUtil.getThemedColor(this, R.attr.conversation_title_color));
-
-    this.threadPhotoRailView.setListener(mediaRecord ->
-      startActivity(MediaPreviewActivity.intentFromMediaRecord(RecipientPreferenceActivity.this,
-                                                               mediaRecord,
-                                                               ViewCompat.getLayoutDirection(threadPhotoRailView) == ViewCompat.LAYOUT_DIRECTION_LTR)));
-
-    SimpleTask.run(
-      () -> DatabaseFactory.getThreadDatabase(this).getThreadIdFor(recipientId),
-      (threadId) -> {
-        if (threadId == null) {
-          Log.i(TAG, "No thread id for recipient.");
-        } else {
-          this.threadPhotoRailLabel.setOnClickListener(v -> startActivity(MediaOverviewActivity.forThread(this, threadId)));
-        }
-      }
-    );
-
-    Toolbar toolbar = findViewById(R.id.toolbar);
-    setSupportActionBar(toolbar);
-    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-    getSupportActionBar().setLogo(null);
-
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-      getWindow().setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-      getWindow().setStatusBarColor(Color.TRANSPARENT);
-
-      ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.recipient_preference_root), (v, insets) -> {
-        ViewUtil.setTopMargin(toolbar, insets.getSystemWindowInsetTop());
-        return insets;
-      });
-    }
-  }
-
-  private void setHeader(@NonNull Recipient recipient) {
-    ContactPhoto         contactPhoto  = recipient.isLocalNumber() ? new ProfileContactPhoto(recipient, recipient.getProfileAvatar())
-                                                                   : recipient.getContactPhoto();
-    FallbackContactPhoto fallbackPhoto = recipient.isLocalNumber() ? new ResourceContactPhoto(R.drawable.ic_profile_outline_40, R.drawable.ic_profile_outline_20, R.drawable.ic_person_large)
-                                                                   : recipient.getFallbackContactPhoto();
-
-    glideRequests.load(contactPhoto)
-                 .fallback(fallbackPhoto.asCallCard(this))
-                 .error(fallbackPhoto.asCallCard(this))
-                 .diskCacheStrategy(DiskCacheStrategy.ALL)
-                 .addListener(new RequestListener<Drawable>() {
-                   @Override
-                   public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<Drawable> target, boolean isFirstResource) {
-                     avatar.setOnClickListener(null);
-                     return false;
-                   }
-
-                   @Override
-                   public boolean onResourceReady(Drawable resource, Object model, Target<Drawable> target, DataSource dataSource, boolean isFirstResource) {
-                     avatar.setOnClickListener(v -> startActivity(AvatarPreviewActivity.intentFromRecipientId(RecipientPreferenceActivity.this, recipient.getId()),
-                                                                  AvatarPreviewActivity.createTransitionBundle(RecipientPreferenceActivity.this, avatar)));
-                     return false;
-                   }
-                 })
-                 .into(this.avatar);
-
-    if (contactPhoto == null) this.avatar.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
-    else                      this.avatar.setScaleType(ImageView.ScaleType.CENTER_CROP);
-
-    this.avatar.setBackgroundColor(recipient.getColor().toActionBarColor(this));
-    this.toolbarLayout.setTitle(recipient.toShortString(this));
-    this.toolbarLayout.setContentScrimColor(recipient.getColor().toActionBarColor(this));
-  }
-
-  @Override
-  public @NonNull Loader<Cursor> onCreateLoader(int id, Bundle args) {
-    return new RecipientMediaLoader(this, recipientId, RecipientMediaLoader.MediaType.GALLERY, MediaDatabase.Sorting.Newest);
-  }
-
-  @Override
-  public void onLoadFinished(@NonNull Loader<Cursor> loader, Cursor data) {
-    if (data != null && data.getCount() > 0) {
-      this.threadPhotoRailLabel.setVisibility(View.VISIBLE);
-      this.threadPhotoRailView.setVisibility(View.VISIBLE);
-    } else {
-      this.threadPhotoRailLabel.setVisibility(View.GONE);
-      this.threadPhotoRailView.setVisibility(View.GONE);
-    }
-
-    this.threadPhotoRailView.setCursor(glideRequests, data);
-
-    Bundle bundle = new Bundle();
-    bundle.putParcelable(RECIPIENT_ID, recipientId);
-    initFragment(R.id.preference_fragment, new RecipientPreferenceFragment(), null, bundle);
-  }
-
-  @Override
-  public void onLoaderReset(@NonNull Loader<Cursor> loader) {
-    this.threadPhotoRailView.setCursor(glideRequests, null);
-  }
-
-  public static class RecipientPreferenceFragment extends CorrectedPreferenceFragment {
-    private LiveRecipient recipient;
-    private boolean       canHaveSafetyNumber;
-
-    @Override
-    public void onCreate(Bundle icicle) {
-      Log.i(TAG, "onCreate (fragment)");
-      super.onCreate(icicle);
-
-      initializeRecipients();
-
-      this.canHaveSafetyNumber = recipient.get().isRegistered() && !recipient.get().isLocalNumber();
-
-      Preference customNotificationsPref  = this.findPreference(PREFERENCE_CUSTOM_NOTIFICATIONS);
-
-      if (NotificationChannels.supported()) {
-        ((SwitchPreferenceCompat) customNotificationsPref).setChecked(recipient.get().getNotificationChannel() != null);
-        customNotificationsPref.setOnPreferenceChangeListener(new CustomNotificationsChangedListener());
-
-        this.findPreference(PREFERENCE_MESSAGE_TONE).setDependency(PREFERENCE_CUSTOM_NOTIFICATIONS);
-        this.findPreference(PREFERENCE_MESSAGE_VIBRATE).setDependency(PREFERENCE_CUSTOM_NOTIFICATIONS);
-
-        if (recipient.get().getNotificationChannel() != null) {
-          final Context context = requireContext();
-          new AsyncTask<Void, Void, Void>() {
-            @Override
-            protected Void doInBackground(Void... voids) {
-              RecipientDatabase db = DatabaseFactory.getRecipientDatabase(getContext());
-              db.setMessageRingtone(recipient.getId(), NotificationChannels.getMessageRingtone(context, recipient.get()));
-              db.setMessageVibrate(recipient.getId(), NotificationChannels.getMessageVibrate(context, recipient.get()) ? VibrateState.ENABLED : VibrateState.DISABLED);
-              NotificationChannels.ensureCustomChannelConsistency(context);
-              return null;
-            }
-          }.executeOnExecutor(AsyncTask.SERIAL_EXECUTOR);
-        }
-      } else {
-        customNotificationsPref.setVisible(false);
-      }
-
-      this.findPreference(PREFERENCE_MESSAGE_TONE)
-          .setOnPreferenceChangeListener(new RingtoneChangeListener(false));
-      this.findPreference(PREFERENCE_MESSAGE_TONE)
-          .setOnPreferenceClickListener(new RingtoneClickedListener(false));
-      this.findPreference(PREFERENCE_CALL_TONE)
-          .setOnPreferenceChangeListener(new RingtoneChangeListener(true));
-      this.findPreference(PREFERENCE_CALL_TONE)
-          .setOnPreferenceClickListener(new RingtoneClickedListener(true));
-      this.findPreference(PREFERENCE_MESSAGE_VIBRATE)
-          .setOnPreferenceChangeListener(new VibrateChangeListener(false));
-      this.findPreference(PREFERENCE_CALL_VIBRATE)
-          .setOnPreferenceChangeListener(new VibrateChangeListener(true));
-      this.findPreference(PREFERENCE_MUTED)
-          .setOnPreferenceClickListener(new MuteClickedListener());
-      this.findPreference(PREFERENCE_BLOCK)
-          .setOnPreferenceClickListener(new BlockClickedListener());
-      this.findPreference(PREFERENCE_COLOR)
-          .setOnPreferenceChangeListener(new ColorChangeListener());
-      ((ContactPreference)this.findPreference(PREFERENCE_ABOUT))
-          .setListener(new AboutNumberClickedListener());
-    }
-
-    @Override
-    public void onCreatePreferences(@Nullable Bundle savedInstanceState, String rootKey) {
-      Log.i(TAG, "onCreatePreferences...");
-      addPreferencesFromResource(R.xml.recipient_preferences);
-    }
-
-    @Override
-    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
-      Permissions.onRequestPermissionsResult(this, requestCode, permissions, grantResults);
-    }
-
-    @Override
-    public void onResume() {
-      super.onResume();
-      setSummaries(recipient.get());
-    }
-
-    @Override
-    public void onDestroy() {
-      super.onDestroy();
-    }
-
-    @Override
-    public void onActivityResult(int requestCode, int resultCode, Intent data) {
-      if (requestCode == 1 && resultCode == RESULT_OK && data != null) {
-        Uri uri = data.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI);
-
-        findPreference(PREFERENCE_MESSAGE_TONE).getOnPreferenceChangeListener().onPreferenceChange(findPreference(PREFERENCE_MESSAGE_TONE), uri);
-      } else if (requestCode == 2 && resultCode == RESULT_OK && data != null) {
-        Uri uri = data.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI);
-
-        findPreference(PREFERENCE_CALL_TONE).getOnPreferenceChangeListener().onPreferenceChange(findPreference(PREFERENCE_CALL_TONE), uri);
-      }
-    }
-
-    @Override
-    public RecyclerView onCreateRecyclerView(LayoutInflater inflater, ViewGroup parent, Bundle savedInstanceState) {
-      RecyclerView recyclerView = super.onCreateRecyclerView(inflater, parent, savedInstanceState);
-      recyclerView.setItemAnimator(null);
-      recyclerView.setLayoutAnimation(null);
-      return recyclerView;
-    }
-
-    private void initializeRecipients() {
-      this.recipient = Recipient.live(getArguments().getParcelable(RECIPIENT_ID));
-      this.recipient.observe(this, this::setSummaries);
-    }
-
-    private void setSummaries(Recipient recipient) {
-      CheckBoxPreference    mutePreference            = (CheckBoxPreference) this.findPreference(PREFERENCE_MUTED);
-      Preference            customPreference          = this.findPreference(PREFERENCE_CUSTOM_NOTIFICATIONS);
-      Preference            ringtoneMessagePreference = this.findPreference(PREFERENCE_MESSAGE_TONE);
-      Preference            ringtoneCallPreference    = this.findPreference(PREFERENCE_CALL_TONE);
-      ListPreference        vibrateMessagePreference  = (ListPreference) this.findPreference(PREFERENCE_MESSAGE_VIBRATE);
-      ListPreference        vibrateCallPreference     = (ListPreference) this.findPreference(PREFERENCE_CALL_VIBRATE);
-      ColorPickerPreference colorPreference           = (ColorPickerPreference) this.findPreference(PREFERENCE_COLOR);
-      Preference            blockPreference           = this.findPreference(PREFERENCE_BLOCK);
-      Preference            identityPreference        = this.findPreference(PREFERENCE_IDENTITY);
-      PreferenceCategory    callCategory              = (PreferenceCategory)this.findPreference("call_settings");
-      PreferenceCategory    aboutCategory             = (PreferenceCategory)this.findPreference("about");
-      PreferenceCategory    aboutDivider              = (PreferenceCategory)this.findPreference("about_divider");
-      ContactPreference     aboutPreference           = (ContactPreference)this.findPreference(PREFERENCE_ABOUT);
-      PreferenceCategory    privacyCategory           = (PreferenceCategory) this.findPreference("privacy_settings");
-      PreferenceCategory    divider                   = (PreferenceCategory) this.findPreference("divider");
-
-      mutePreference.setChecked(recipient.isMuted());
-
-      ringtoneMessagePreference.setSummary(ringtoneMessagePreference.isEnabled() ? getRingtoneSummary(getContext(), recipient.getMessageRingtone()) : "");
-      ringtoneCallPreference.setSummary(getRingtoneSummary(getContext(), recipient.getCallRingtone()));
-
-      Pair<String, Integer> vibrateMessageSummary = getVibrateSummary(getContext(), recipient.getMessageVibrate());
-      Pair<String, Integer> vibrateCallSummary    = getVibrateSummary(getContext(), recipient.getCallVibrate());
-
-      vibrateMessagePreference.setSummary(vibrateMessagePreference.isEnabled() ? vibrateMessageSummary.first : "");
-      vibrateMessagePreference.setValueIndex(vibrateMessageSummary.second);
-
-      vibrateCallPreference.setSummary(vibrateCallSummary.first);
-      vibrateCallPreference.setValueIndex(vibrateCallSummary.second);
-
-      blockPreference.setVisible(RecipientUtil.isBlockable(recipient));
-      if (recipient.isBlocked()) blockPreference.setTitle(R.string.RecipientPreferenceActivity_unblock);
-      else                       blockPreference.setTitle(R.string.RecipientPreferenceActivity_block);
-
-      if (recipient.isLocalNumber()) {
-        mutePreference.setVisible(false);
-        customPreference.setVisible(false);
-        ringtoneMessagePreference.setVisible(false);
-        vibrateMessagePreference.setVisible(false);
-
-        if (identityPreference != null) identityPreference.setVisible(false);
-        if (aboutCategory      != null) aboutCategory.setVisible(false);
-        if (aboutDivider       != null) aboutDivider.setVisible(false);
-        if (privacyCategory    != null) privacyCategory.setVisible(false);
-        if (divider            != null) divider.setVisible(false);
-        if (callCategory       != null) callCategory.setVisible(false);
-      }
-
-      if (recipient.isGroup()) {
-        if (colorPreference    != null) colorPreference.setVisible(false);
-        if (identityPreference != null) identityPreference.setVisible(false);
-        if (callCategory       != null) callCategory.setVisible(false);
-        if (aboutCategory      != null) aboutCategory.setVisible(false);
-        if (aboutDivider       != null) aboutDivider.setVisible(false);
-        if (divider            != null) divider.setVisible(false);
-      } else {
-        colorPreference.setColors(MaterialColors.CONVERSATION_PALETTE.asConversationColorArray(requireActivity()));
-        colorPreference.setColor(recipient.getColor().toActionBarColor(requireActivity()));
-
-        if (FeatureFlags.profileDisplay()) {
-          aboutPreference.setTitle(recipient.getDisplayName(requireContext()));
-          aboutPreference.setSummary(recipient.resolve().getE164().or(""));
-        } else {
-          aboutPreference.setTitle(formatRecipient(recipient));
-          aboutPreference.setSummary(recipient.getCustomLabel());
-        }
-
-        aboutPreference.setState(recipient.getRegistered() == RecipientDatabase.RegisteredState.REGISTERED, recipient.isBlocked());
-
-        IdentityUtil.getRemoteIdentityKey(getActivity(), recipient).addListener(new ListenableFuture.Listener<Optional<IdentityRecord>>() {
-          @Override
-          public void onSuccess(Optional<IdentityRecord> result) {
-            if (result.isPresent()) {
-              if (identityPreference != null) identityPreference.setOnPreferenceClickListener(new IdentityClickedListener(result.get()));
-              if (identityPreference != null) identityPreference.setEnabled(true);
-            } else if (canHaveSafetyNumber) {
-              if (identityPreference != null) identityPreference.setSummary(R.string.RecipientPreferenceActivity_available_once_a_message_has_been_sent_or_received);
-              if (identityPreference != null) identityPreference.setEnabled(false);
-            } else {
-              if (identityPreference != null) getPreferenceScreen().removePreference(identityPreference);
-            }
-          }
-
-          @Override
-          public void onFailure(ExecutionException e) {
-            if (identityPreference != null) getPreferenceScreen().removePreference(identityPreference);
-          }
-        });
-      }
-
-      if (recipient.isMmsGroup() && privacyCategory != null) {
-        privacyCategory.setVisible(false);
-      }
-    }
-
-    private @NonNull String formatRecipient(@NonNull Recipient recipient) {
-      if      (recipient.getE164().isPresent())  return PhoneNumberUtils.formatNumber(recipient.requireE164());
-      else if (recipient.getEmail().isPresent()) return recipient.requireEmail();
-      else                                       return "";
-    }
-
-    private @NonNull String getRingtoneSummary(@NonNull Context context, @Nullable Uri ringtone) {
-      if (ringtone == null) {
-        return context.getString(R.string.preferences__default);
-      } else if (ringtone.toString().isEmpty()) {
-        return context.getString(R.string.preferences__silent);
-      } else {
-        Ringtone tone = RingtoneManager.getRingtone(getActivity(), ringtone);
-
-        if (tone != null) {
-          return tone.getTitle(context);
-        }
-      }
-
-      return context.getString(R.string.preferences__default);
-    }
-
-    private @NonNull Pair<String, Integer> getVibrateSummary(@NonNull Context context, @NonNull VibrateState vibrateState) {
-      if (vibrateState == VibrateState.DEFAULT) {
-        return new Pair<>(context.getString(R.string.preferences__default), 0);
-      } else if (vibrateState == VibrateState.ENABLED) {
-        return new Pair<>(context.getString(R.string.RecipientPreferenceActivity_enabled), 1);
-      } else {
-        return new Pair<>(context.getString(R.string.RecipientPreferenceActivity_disabled), 2);
-      }
-    }
-
-    private class RingtoneChangeListener implements Preference.OnPreferenceChangeListener {
-
-      private final boolean calls;
-
-      RingtoneChangeListener(boolean calls) {
-        this.calls = calls;
-      }
-
-      @Override
-      public boolean onPreferenceChange(Preference preference, Object newValue) {
-        final Context context = preference.getContext();
-
-        Uri value = (Uri)newValue;
-
-        Uri defaultValue;
-
-        if (calls) defaultValue = TextSecurePreferences.getCallNotificationRingtone(context);
-        else       defaultValue = TextSecurePreferences.getNotificationRingtone(context);
-
-        if (defaultValue.equals(value)) value = null;
-        else if (value == null)         value = Uri.EMPTY;
-
-
-        new AsyncTask<Uri, Void, Void>() {
-          @Override
-          protected Void doInBackground(Uri... params) {
-            if (calls) {
-              DatabaseFactory.getRecipientDatabase(context).setCallRingtone(recipient.getId(), params[0]);
-            } else {
-              DatabaseFactory.getRecipientDatabase(context).setMessageRingtone(recipient.getId(), params[0]);
-              NotificationChannels.updateMessageRingtone(context, recipient.get(), params[0]);
-            }
-            return null;
-          }
-        }.executeOnExecutor(AsyncTask.SERIAL_EXECUTOR, value);
-
-        return false;
-      }
-    }
-
-    private class RingtoneClickedListener implements Preference.OnPreferenceClickListener {
-
-      private final boolean calls;
-
-      RingtoneClickedListener(boolean calls) {
-        this.calls = calls;
-      }
-
-      @Override
-      public boolean onPreferenceClick(Preference preference) {
-        Uri current;
-        Uri defaultUri;
-
-        if (calls) {
-          current    = recipient.get().getCallRingtone();
-          defaultUri = TextSecurePreferences.getCallNotificationRingtone(getContext());
-        } else  {
-          current    = recipient.get().getMessageRingtone();
-          defaultUri = TextSecurePreferences.getNotificationRingtone(getContext());
-        }
-
-        if      (current == null)              current = Settings.System.DEFAULT_NOTIFICATION_URI;
-        else if (current.toString().isEmpty()) current = null;
-
-        Intent intent = new Intent(RingtoneManager.ACTION_RINGTONE_PICKER);
-        intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_SILENT, true);
-        intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_DEFAULT, true);
-        intent.putExtra(RingtoneManager.EXTRA_RINGTONE_DEFAULT_URI, defaultUri);
-        intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, calls ? RingtoneManager.TYPE_RINGTONE : RingtoneManager.TYPE_NOTIFICATION);
-        intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, current);
-
-        startActivityForResult(intent, calls ? 2 : 1);
-
-        return true;
-      }
-    }
-
-    private class VibrateChangeListener implements Preference.OnPreferenceChangeListener {
-
-      private final boolean call;
-
-      VibrateChangeListener(boolean call) {
-        this.call = call;
-      }
-
-      @Override
-      public boolean onPreferenceChange(Preference preference, Object newValue) {
-              int          value        = Integer.parseInt((String) newValue);
-        final VibrateState vibrateState = VibrateState.fromId(value);
-        final Context      context      = preference.getContext();
-
-        new AsyncTask<Void, Void, Void>() {
-          @Override
-          protected Void doInBackground(Void... params) {
-            if (call) {
-              DatabaseFactory.getRecipientDatabase(context).setCallVibrate(recipient.getId(), vibrateState);
-            }
-            else {
-              DatabaseFactory.getRecipientDatabase(context).setMessageVibrate(recipient.getId(), vibrateState);
-              NotificationChannels.updateMessageVibrate(context, recipient.get(), vibrateState);
-            }
-            return null;
-          }
-        }.executeOnExecutor(AsyncTask.SERIAL_EXECUTOR);
-
-        return false;
-      }
-    }
-
-    private class ColorChangeListener implements Preference.OnPreferenceChangeListener {
-
-      @Override
-      public boolean onPreferenceChange(Preference preference, Object newValue) {
-        final Context context = getContext();
-        if (context == null) return true;
-
-        final int           value         = (Integer) newValue;
-        final MaterialColor selectedColor = MaterialColors.CONVERSATION_PALETTE.getByColor(context, value);
-        final MaterialColor currentColor  = recipient.get().getColor();
-
-        if (selectedColor == null) return true;
-
-        if (preference.isEnabled() && !currentColor.equals(selectedColor)) {
-          new AsyncTask<Void, Void, Void>() {
-            @Override
-            protected Void doInBackground(Void... params) {
-              DatabaseFactory.getRecipientDatabase(context).setColor(recipient.getId(), selectedColor);
-
-              if (recipient.get().resolve().getRegistered() == RecipientDatabase.RegisteredState.REGISTERED) {
-                ApplicationDependencies.getJobManager().add(new MultiDeviceContactUpdateJob(recipient.getId()));
-              }
-              return null;
-            }
-          }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-        }
-        return true;
-      }
-    }
-
-    private class MuteClickedListener implements Preference.OnPreferenceClickListener {
-
-      @Override
-      public boolean onPreferenceClick(Preference preference) {
-        if (recipient.get().isMuted()) handleUnmute(preference.getContext());
-        else                           handleMute(preference.getContext());
-
-        return true;
-      }
-
-      private void handleMute(@NonNull Context context) {
-        MuteDialog.show(context, until -> setMuted(context, recipient.get(), until));
-
-        setSummaries(recipient.get());
-      }
-
-      private void handleUnmute(@NonNull Context context) {
-        setMuted(context, recipient.get(), 0);
-      }
-
-      private void setMuted(@NonNull final Context context, final Recipient recipient, final long until) {
-        new AsyncTask<Void, Void, Void>() {
-          @Override
-          protected Void doInBackground(Void... params) {
-            DatabaseFactory.getRecipientDatabase(context)
-                           .setMuted(recipient.getId(), until);
-            return null;
-          }
-        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-      }
-    }
-
-    private class IdentityClickedListener implements Preference.OnPreferenceClickListener {
-
-      private final IdentityRecord identityKey;
-
-      private IdentityClickedListener(IdentityRecord identityKey) {
-        Log.i(TAG, "Identity record: " + identityKey);
-        this.identityKey = identityKey;
-      }
-
-      @Override
-      public boolean onPreferenceClick(Preference preference) {
-        startActivity(VerifyIdentityActivity.newIntent(preference.getContext(), identityKey));
-
-        return true;
-      }
-    }
-
-    private class BlockClickedListener implements Preference.OnPreferenceClickListener {
-      @Override
-      public boolean onPreferenceClick(Preference preference) {
-        Context context = preference.getContext();
-
-        if (recipient.get().isBlocked()) {
-          BlockUnblockDialog.showUnblockFor(context, getLifecycle(), recipient.get(), () -> RecipientUtil.unblock(context, recipient.get()));
-        } else {
-          BlockUnblockDialog.showBlockFor(context, getLifecycle(), recipient.get(), () -> RecipientUtil.block(context, recipient.get()));
-        }
-
-        return true;
-      }
-    }
-
-    private class AboutNumberClickedListener implements ContactPreference.Listener {
-
-      @Override
-      public void onMessageClicked() {
-        CommunicationActions.startConversation(getContext(), recipient.get(), null);
-      }
-
-      @Override
-      public void onSecureCallClicked() {
-        CommunicationActions.startVoiceCall(getActivity(), recipient.get());
-      }
-
-      @Override
-      public void onSecureVideoClicked() {
-        CommunicationActions.startVideoCall(getActivity(), recipient.get());
-      }
-
-      @Override
-      public void onInSecureCallClicked() {
-        CommunicationActions.startInsecureCall(requireActivity(), recipient.get());
-      }
-
-      @Override
-      public void onLongClick() {
-        if (recipient.get().hasE164()) {
-          Util.copyToClipboard(requireContext(), recipient.get().requireE164());
-          ServiceUtil.getVibrator(requireContext()).vibrate(250);
-          Toast.makeText(requireContext(), R.string.RecipientBottomSheet_copied_to_clipboard, Toast.LENGTH_SHORT).show();
-        }
-      }
-    }
-
-    private class CustomNotificationsChangedListener implements Preference.OnPreferenceChangeListener {
-
-      @Override
-      public boolean onPreferenceChange(Preference preference, Object newValue) {
-        final Context context = preference.getContext();
-        final boolean enabled = (boolean) newValue;
-
-        new AsyncTask<Void, Void, Void>() {
-          @Override
-          protected Void doInBackground(Void... params) {
-            if (enabled) {
-              String channel = NotificationChannels.createChannelFor(context, recipient.get());
-              DatabaseFactory.getRecipientDatabase(context).setNotificationChannel(recipient.getId(), channel);
-            } else {
-              NotificationChannels.deleteChannelFor(context, recipient.get());
-              DatabaseFactory.getRecipientDatabase(context).setNotificationChannel(recipient.getId(), null);
-            }
-            return null;
-          }
-        }.executeOnExecutor(AsyncTask.SERIAL_EXECUTOR);
-
-        return true;
-      }
-    }
-  }
-}

app/src/main/java/org/thoughtcrime/securesms/SmsSendtoActivity.java

@@ -48,7 +48,7 @@ public class SmsSendtoActivity extends Activity {
       Toast.makeText(this, R.string.ConversationActivity_specify_recipient, Toast.LENGTH_LONG).show();
     } else {
       Recipient recipient = Recipient.external(this, destination.getDestination());
-      long      threadId  = DatabaseFactory.getThreadDatabase(this).getThreadIdIfExistsFor(recipient);
+      long      threadId  = DatabaseFactory.getThreadDatabase(this).getThreadIdIfExistsFor(recipient.getId());
 
       nextIntent = new Intent(this, ConversationActivity.class);
       nextIntent.putExtra(ConversationActivity.TEXT_EXTRA, destination.getBody());

app/src/main/java/org/thoughtcrime/securesms/VerifyIdentityActivity.java

@@ -104,7 +104,7 @@ import static org.whispersystems.libsignal.SessionCipher.SESSION_LOCK;
  * @author Moxie Marlinspike
  */
 @SuppressLint("StaticFieldLeak")
-public class VerifyIdentityActivity extends PassphraseRequiredActionBarActivity implements ScanListener, View.OnClickListener {
+public class VerifyIdentityActivity extends PassphraseRequiredActivity implements ScanListener, View.OnClickListener {
 
   private static final String TAG = Log.tag(VerifyIdentityActivity.class);
 
@@ -307,7 +307,7 @@ public class VerifyIdentityActivity extends PassphraseRequiredActionBarActivity
       byte[] localId;
       byte[] remoteId;
 
-      if (FeatureFlags.uuids() && recipient.resolve().getUuid().isPresent()) {
+      if (FeatureFlags.verifyV2() && recipient.resolve().getUuid().isPresent()) {
         Log.i(TAG, "Using UUID (version 2).");
         version  = 2;
         localId  = UuidUtil.toByteArray(TextSecurePreferences.getLocalUuid(requireContext()));
@@ -486,7 +486,7 @@ public class VerifyIdentityActivity extends PassphraseRequiredActionBarActivity
     }
 
     private void setRecipientText(Recipient recipient) {
-      description.setText(Html.fromHtml(String.format(getActivity().getString(R.string.verify_display_fragment__if_you_wish_to_verify_the_security_of_your_end_to_end_encryption_with_s), recipient.toShortString(getContext()))));
+      description.setText(Html.fromHtml(String.format(getActivity().getString(R.string.verify_display_fragment__if_you_wish_to_verify_the_security_of_your_end_to_end_encryption_with_s), recipient.getDisplayName(getContext()))));
       description.setMovementMethod(LinkMovementMethod.getInstance());
     }
 

app/src/main/java/org/thoughtcrime/securesms/WebRtcCallActivity.java

@@ -19,17 +19,12 @@ package org.thoughtcrime.securesms;
 
 import android.Manifest;
 import android.app.PictureInPictureParams;
-import android.content.DialogInterface;
-import android.content.DialogInterface.OnClickListener;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.media.AudioManager;
 import android.os.Build;
 import android.os.Bundle;
-import android.text.SpannableString;
-import android.text.Spanned;
-import android.text.method.LinkMovementMethod;
 import android.util.Rational;
 import android.view.Window;
 import android.view.WindowManager;
@@ -37,7 +32,6 @@ import android.view.WindowManager;
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.AppCompatTextView;
 import androidx.core.content.ContextCompat;
 import androidx.lifecycle.ViewModelProviders;
 
@@ -45,34 +39,32 @@ import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 import org.greenrobot.eventbus.ThreadMode;
 import org.thoughtcrime.securesms.components.TooltipPopup;
+import org.thoughtcrime.securesms.components.webrtc.CallParticipantsState;
 import org.thoughtcrime.securesms.components.webrtc.WebRtcAudioOutput;
 import org.thoughtcrime.securesms.components.webrtc.WebRtcCallView;
 import org.thoughtcrime.securesms.components.webrtc.WebRtcCallViewModel;
-import org.thoughtcrime.securesms.crypto.storage.TextSecureIdentityKeyStore;
+import org.thoughtcrime.securesms.components.webrtc.participantslist.CallParticipantsListDialog;
+import org.thoughtcrime.securesms.conversation.ui.error.SafetyNumberChangeDialog;
 import org.thoughtcrime.securesms.events.WebRtcViewModel;
 import org.thoughtcrime.securesms.logging.Log;
+import org.thoughtcrime.securesms.messagerequests.CalleeMustAcceptMessageRequestActivity;
 import org.thoughtcrime.securesms.permissions.Permissions;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.ringrtc.RemotePeer;
 import org.thoughtcrime.securesms.service.WebRtcCallService;
+import org.thoughtcrime.securesms.sms.MessageSender;
 import org.thoughtcrime.securesms.util.EllapsedTimeFormatter;
-import org.thoughtcrime.securesms.util.FeatureFlags;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
-import org.thoughtcrime.securesms.util.VerifySpan;
-import org.thoughtcrime.securesms.util.ViewUtil;
 import org.whispersystems.libsignal.IdentityKey;
-import org.whispersystems.libsignal.SignalProtocolAddress;
 import org.whispersystems.signalservice.api.messages.calls.HangupMessage;
+import org.whispersystems.signalservice.api.messages.calls.OfferMessage;
 
-import static org.whispersystems.libsignal.SessionCipher.SESSION_LOCK;
-
-public class WebRtcCallActivity extends AppCompatActivity {
+public class WebRtcCallActivity extends AppCompatActivity implements SafetyNumberChangeDialog.Callback {
 
 
   private static final String TAG = WebRtcCallActivity.class.getSimpleName();
 
   private static final int STANDARD_DELAY_FINISH    = 1000;
-  public  static final int BUSY_SIGNAL_DELAY_FINISH = 5500;
 
   public static final String ANSWER_ACTION   = WebRtcCallActivity.class.getCanonicalName() + ".ANSWER_ACTION";
   public static final String DENY_ACTION     = WebRtcCallActivity.class.getCanonicalName() + ".DENY_ACTION";
@@ -94,6 +86,7 @@ public class WebRtcCallActivity extends AppCompatActivity {
 
     requestWindowFeature(Window.FEATURE_NO_TITLE);
     setContentView(R.layout.webrtc_call_activity);
+    //noinspection ConstantConditions
     getSupportActionBar().hide();
 
     setVolumeControlStream(AudioManager.STREAM_VOICE_CALL);
@@ -133,6 +126,11 @@ public class WebRtcCallActivity extends AppCompatActivity {
     if (!isInPipMode()) {
       EventBus.getDefault().unregister(this);
     }
+
+    CallParticipantsState state = viewModel.getCallParticipantsState().getValue();
+    if (state != null && state.getCallState() == WebRtcViewModel.State.CALL_PRE_JOIN) {
+      finish();
+    }
   }
 
   @Override
@@ -141,11 +139,13 @@ public class WebRtcCallActivity extends AppCompatActivity {
     super.onStop();
 
     EventBus.getDefault().unregister(this);
-  }
 
-  @Override
-  public void onConfigurationChanged(Configuration newConfiguration) {
-    super.onConfigurationChanged(newConfiguration);
+    CallParticipantsState state = viewModel.getCallParticipantsState().getValue();
+    if (state != null && state.getCallState() == WebRtcViewModel.State.CALL_PRE_JOIN) {
+      Intent intent = new Intent(this, WebRtcCallService.class);
+      intent.setAction(WebRtcCallService.ACTION_CANCEL_PRE_JOIN_CALL);
+      startService(intent);
+    }
   }
 
   @Override
@@ -155,14 +155,13 @@ public class WebRtcCallActivity extends AppCompatActivity {
 
   @Override
   protected void onUserLeaveHint() {
-    if (deviceSupportsPipMode()) {
-      PictureInPictureParams params = new PictureInPictureParams.Builder()
-                                                                .setAspectRatio(new Rational(16, 9))
-                                                                .build();
-      setPictureInPictureParams(params);
+    enterPipModeIfPossible();
+  }
 
-      //noinspection deprecation
-      enterPictureInPictureMode();
+  @Override
+  public void onBackPressed() {
+    if (!enterPipModeIfPossible()) {
+      super.onBackPressed();
     }
   }
 
@@ -171,8 +170,19 @@ public class WebRtcCallActivity extends AppCompatActivity {
     viewModel.setIsInPipMode(isInPictureInPictureMode);
   }
 
+  private boolean enterPipModeIfPossible() {
+    if (viewModel.canEnterPipMode() && isSystemPipEnabledAndAvailable()) {
+      PictureInPictureParams params = new PictureInPictureParams.Builder()
+              .setAspectRatio(new Rational(9, 16))
+              .build();
+      enterPictureInPictureMode(params);
+      return true;
+    }
+    return false;
+  }
+
   private boolean isInPipMode() {
-    return deviceSupportsPipMode() && isInPictureInPictureMode();
+    return isSystemPipEnabledAndAvailable() && isInPictureInPictureMode();
   }
 
   private void processIntent(@NonNull Intent intent) {
@@ -195,21 +205,18 @@ public class WebRtcCallActivity extends AppCompatActivity {
   }
 
   private void initializeResources() {
-    callScreen = ViewUtil.findById(this, R.id.callScreen);
+    callScreen = findViewById(R.id.callScreen);
     callScreen.setControlsListener(new ControlsListener());
   }
 
   private void initializeViewModel() {
     viewModel = ViewModelProviders.of(this).get(WebRtcCallViewModel.class);
     viewModel.setIsInPipMode(isInPipMode());
-    viewModel.getRemoteVideoEnabled().observe(this,callScreen::setRemoteVideoEnabled);
     viewModel.getMicrophoneEnabled().observe(this, callScreen::setMicEnabled);
-    viewModel.getCameraDirection().observe(this, callScreen::setCameraDirection);
-    viewModel.getLocalRenderState().observe(this, callScreen::setLocalRenderState);
     viewModel.getWebRtcControls().observe(this, callScreen::setWebRtcControls);
     viewModel.getEvents().observe(this, this::handleViewModelEvent);
     viewModel.getCallTime().observe(this, this::handleCallTime);
-    viewModel.displaySquareCallCard().observe(this, callScreen::showCallCard);
+    viewModel.getCallParticipantsState().observe(this, callScreen::updateCallParticipants);
   }
 
   private void handleViewModelEvent(@NonNull WebRtcCallViewModel.Event event) {
@@ -374,124 +381,91 @@ public class WebRtcCallActivity extends AppCompatActivity {
     startService(intent);
   }
 
-  private void handleIncomingCall(@NonNull WebRtcViewModel event) {
-    callScreen.setRecipient(event.getRecipient());
-  }
-
-  private void handleOutgoingCall(@NonNull WebRtcViewModel event) {
-    callScreen.setRecipient(event.getRecipient());
+  private void handleOutgoingCall() {
     callScreen.setStatus(getString(R.string.WebRtcCallActivity__calling));
   }
 
   private void handleTerminate(@NonNull Recipient recipient, @NonNull HangupMessage.Type hangupType) {
     Log.i(TAG, "handleTerminate called: " + hangupType.name());
 
-    callScreen.setRecipient(recipient);
     callScreen.setStatusFromHangupType(hangupType);
 
     EventBus.getDefault().removeStickyEvent(WebRtcViewModel.class);
 
+    if (hangupType == HangupMessage.Type.NEED_PERMISSION) {
+      startActivity(CalleeMustAcceptMessageRequestActivity.createIntent(this, recipient.getId()));
+    }
     delayedFinish();
   }
 
-  private void handleCallRinging(@NonNull WebRtcViewModel event) {
-    callScreen.setRecipient(event.getRecipient());
+  private void handleCallRinging() {
     callScreen.setStatus(getString(R.string.RedPhone_ringing));
   }
 
-  private void handleCallBusy(@NonNull WebRtcViewModel event) {
+  private void handleCallBusy() {
     EventBus.getDefault().removeStickyEvent(WebRtcViewModel.class);
-    callScreen.setRecipient(event.getRecipient());
     callScreen.setStatus(getString(R.string.RedPhone_busy));
-
-    delayedFinish(BUSY_SIGNAL_DELAY_FINISH);
+    delayedFinish(WebRtcCallService.BUSY_TONE_LENGTH);
   }
 
-  private void handleCallConnected(@NonNull WebRtcViewModel event) {
+  private void handleCallConnected() {
     getWindow().addFlags(WindowManager.LayoutParams.FLAG_IGNORE_CHEEK_PRESSES);
-    callScreen.setRecipient(event.getRecipient());
   }
 
-  private void handleRecipientUnavailable(@NonNull WebRtcViewModel event) {
+  private void handleRecipientUnavailable() {
     EventBus.getDefault().removeStickyEvent(WebRtcViewModel.class);
-    callScreen.setRecipient(event.getRecipient());
     callScreen.setStatus(getString(R.string.RedPhone_recipient_unavailable));
     delayedFinish();
   }
 
-  private void handleServerFailure(@NonNull WebRtcViewModel event) {
+  private void handleServerFailure() {
     EventBus.getDefault().removeStickyEvent(WebRtcViewModel.class);
-    callScreen.setRecipient(event.getRecipient());
     callScreen.setStatus(getString(R.string.RedPhone_network_failed));
     delayedFinish();
   }
 
   private void handleNoSuchUser(final @NonNull WebRtcViewModel event) {
     if (isFinishing()) return; // XXX Stuart added this check above, not sure why, so I'm repeating in ignorance. - moxie
-    AlertDialog.Builder dialog = new AlertDialog.Builder(this);
-    dialog.setTitle(R.string.RedPhone_number_not_registered);
-    dialog.setIconAttribute(R.attr.dialog_alert_icon);
-    dialog.setMessage(R.string.RedPhone_the_number_you_dialed_does_not_support_secure_voice);
-    dialog.setCancelable(true);
-    dialog.setPositiveButton(R.string.RedPhone_got_it, new OnClickListener() {
-      @Override
-      public void onClick(DialogInterface dialog, int which) {
-        WebRtcCallActivity.this.handleTerminate(event.getRecipient(), HangupMessage.Type.NORMAL);
-      }
-    });
-    dialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
-      @Override
-      public void onCancel(DialogInterface dialog) {
-        WebRtcCallActivity.this.handleTerminate(event.getRecipient(), HangupMessage.Type.NORMAL);
-      }
-    });
-    dialog.show();
+    new AlertDialog.Builder(this)
+                   .setTitle(R.string.RedPhone_number_not_registered)
+                   .setIconAttribute(R.attr.dialog_alert_icon)
+                   .setMessage(R.string.RedPhone_the_number_you_dialed_does_not_support_secure_voice)
+                   .setCancelable(true)
+                   .setPositiveButton(R.string.RedPhone_got_it, (d, w) -> handleTerminate(event.getRecipient(), HangupMessage.Type.NORMAL))
+                   .setOnCancelListener(d -> handleTerminate(event.getRecipient(), HangupMessage.Type.NORMAL))
+                   .show();
   }
 
   private void handleUntrustedIdentity(@NonNull WebRtcViewModel event) {
-    final IdentityKey theirKey  = event.getIdentityKey();
-    final Recipient   recipient = event.getRecipient();
+    final IdentityKey theirKey  = event.getRemoteParticipants().get(0).getIdentityKey();
+    final Recipient   recipient = event.getRemoteParticipants().get(0).getRecipient();
 
     if (theirKey == null) {
       handleTerminate(recipient, HangupMessage.Type.NORMAL);
     }
 
-    String          name            = recipient.getDisplayName(this);
-    String          introduction    = getString(R.string.WebRtcCallScreen_new_safety_numbers, name, name);
-    SpannableString spannableString = new SpannableString(introduction + " " + getString(R.string.WebRtcCallScreen_you_may_wish_to_verify_this_contact));
-
-    spannableString.setSpan(new VerifySpan(this, recipient.getId(), theirKey), introduction.length() + 1, spannableString.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-
-    AppCompatTextView untrustedIdentityExplanation = new AppCompatTextView(this);
-    untrustedIdentityExplanation.setText(spannableString);
-    untrustedIdentityExplanation.setMovementMethod(LinkMovementMethod.getInstance());
-
-    new AlertDialog.Builder(this)
-                   .setView(untrustedIdentityExplanation)
-                   .setPositiveButton(R.string.WebRtcCallScreen_accept, (d, w) -> {
-                     synchronized (SESSION_LOCK) {
-                       TextSecureIdentityKeyStore identityKeyStore = new TextSecureIdentityKeyStore(WebRtcCallActivity.this);
-                       identityKeyStore.saveIdentity(new SignalProtocolAddress(recipient.requireServiceId(), 1), theirKey, true);
-                     }
-
-                     d.dismiss();
-
-                     Intent intent = new Intent(WebRtcCallActivity.this, WebRtcCallService.class);
-                     intent.setAction(WebRtcCallService.ACTION_OUTGOING_CALL)
-                           .putExtra(WebRtcCallService.EXTRA_REMOTE_PEER, new RemotePeer(recipient.getId()));
-
-                     startService(intent);
-                   })
-                   .setNegativeButton(R.string.WebRtcCallScreen_end_call, (d, w) -> {
-                     d.dismiss();
-                     handleTerminate(recipient, HangupMessage.Type.NORMAL);
-                   })
-                   .show();
+    SafetyNumberChangeDialog.showForCall(getSupportFragmentManager(), recipient.getId());
   }
 
-  private boolean deviceSupportsPipMode() {
+  @Override
+  public void onSendAnywayAfterSafetyNumberChange() {
+    Intent intent = new Intent(WebRtcCallActivity.this, WebRtcCallService.class);
+    intent.setAction(WebRtcCallService.ACTION_OUTGOING_CALL)
+          .putExtra(WebRtcCallService.EXTRA_REMOTE_PEER, new RemotePeer(viewModel.getRecipient().getId()));
+
+    startService(intent);
+  }
+
+  @Override
+  public void onMessageResentAfterSafetyNumberChange() { }
+
+  @Override
+  public void onCanceled() {
+    handleTerminate(viewModel.getRecipient().get(), HangupMessage.Type.NORMAL);
+  }
+
+  private boolean isSystemPipEnabledAndAvailable() {
     return Build.VERSION.SDK_INT >= 26 &&
-           FeatureFlags.callingPip()   &&
            getPackageManager().hasSystemFeature(PackageManager.FEATURE_PICTURE_IN_PICTURE);
   }
 
@@ -504,33 +478,33 @@ public class WebRtcCallActivity extends AppCompatActivity {
   }
 
   @Subscribe(sticky = true, threadMode = ThreadMode.MAIN)
-  public void onEventMainThread(final WebRtcViewModel event) {
+  public void onEventMainThread(@NonNull WebRtcViewModel event) {
     Log.i(TAG, "Got message from service: " + event);
 
     viewModel.setRecipient(event.getRecipient());
+    callScreen.setRecipient(event.getRecipient());
 
     switch (event.getState()) {
-      case CALL_CONNECTED:          handleCallConnected(event);                                         break;
-      case NETWORK_FAILURE:         handleServerFailure(event);                                         break;
-      case CALL_RINGING:            handleCallRinging(event);                                           break;
-      case CALL_DISCONNECTED:       handleTerminate(event.getRecipient(), HangupMessage.Type.NORMAL);   break;
-      case CALL_ACCEPTED_ELSEWHERE: handleTerminate(event.getRecipient(), HangupMessage.Type.ACCEPTED); break;
-      case CALL_DECLINED_ELSEWHERE: handleTerminate(event.getRecipient(), HangupMessage.Type.DECLINED); break;
-      case CALL_ONGOING_ELSEWHERE:  handleTerminate(event.getRecipient(), HangupMessage.Type.BUSY);     break;
-      case NO_SUCH_USER:            handleNoSuchUser(event);                                            break;
-      case RECIPIENT_UNAVAILABLE:   handleRecipientUnavailable(event);                                  break;
-      case CALL_INCOMING:           handleIncomingCall(event);                                          break;
-      case CALL_OUTGOING:           handleOutgoingCall(event);                                          break;
-      case CALL_BUSY:               handleCallBusy(event);                                              break;
-      case UNTRUSTED_IDENTITY:      handleUntrustedIdentity(event);                                     break;
+      case CALL_CONNECTED:          handleCallConnected();                                                     break;
+      case NETWORK_FAILURE:         handleServerFailure();                                                     break;
+      case CALL_RINGING:            handleCallRinging();                                                       break;
+      case CALL_DISCONNECTED:       handleTerminate(event.getRecipient(), HangupMessage.Type.NORMAL);          break;
+      case CALL_ACCEPTED_ELSEWHERE: handleTerminate(event.getRecipient(), HangupMessage.Type.ACCEPTED);        break;
+      case CALL_DECLINED_ELSEWHERE: handleTerminate(event.getRecipient(), HangupMessage.Type.DECLINED);        break;
+      case CALL_ONGOING_ELSEWHERE:  handleTerminate(event.getRecipient(), HangupMessage.Type.BUSY);            break;
+      case CALL_NEEDS_PERMISSION:   handleTerminate(event.getRecipient(), HangupMessage.Type.NEED_PERMISSION); break;
+      case NO_SUCH_USER:            handleNoSuchUser(event);                                                   break;
+      case RECIPIENT_UNAVAILABLE:   handleRecipientUnavailable();                                              break;
+      case CALL_OUTGOING:           handleOutgoingCall();                                                      break;
+      case CALL_BUSY:               handleCallBusy();                                                          break;
+      case UNTRUSTED_IDENTITY:      handleUntrustedIdentity(event);                                            break;
     }
 
-    callScreen.setLocalRenderer(event.getLocalRenderer());
-    callScreen.setRemoteRenderer(event.getRemoteRenderer());
+    boolean enableVideo = event.getLocalParticipant().getCameraState().getCameraCount() > 0 && enableVideoIfAvailable;
 
-    viewModel.updateFromWebRtcViewModel(event);
+    viewModel.updateFromWebRtcViewModel(event, enableVideo);
 
-    if (event.getLocalCameraState().getCameraCount() > 0 && enableVideoIfAvailable) {
+    if (enableVideo) {
       enableVideoIfAvailable = false;
       handleSetMuteVideo(false);
     }
@@ -538,6 +512,24 @@ public class WebRtcCallActivity extends AppCompatActivity {
 
   private final class ControlsListener implements WebRtcCallView.ControlsListener {
 
+    @Override
+    public void onStartCall(boolean isVideoCall) {
+      enableVideoIfAvailable = isVideoCall;
+
+      Intent intent = new Intent(WebRtcCallActivity.this, WebRtcCallService.class);
+      intent.setAction(WebRtcCallService.ACTION_OUTGOING_CALL)
+            .putExtra(WebRtcCallService.EXTRA_REMOTE_PEER, new RemotePeer(viewModel.getRecipient().getId()))
+            .putExtra(WebRtcCallService.EXTRA_OFFER_TYPE, (isVideoCall ? OfferMessage.Type.VIDEO_CALL : OfferMessage.Type.AUDIO_CALL).getCode());
+      startService(intent);
+
+      MessageSender.onMessageSent();
+    }
+
+    @Override
+    public void onCancelStartCall() {
+      finish();
+    }
+
     @Override
     public void onControlsFadeOut() {
       if (videoTooltip != null) {
@@ -602,8 +594,13 @@ public class WebRtcCallActivity extends AppCompatActivity {
     }
 
     @Override
-    public void onDownCaretPressed() {
+    public void onShowParticipantsList() {
+      CallParticipantsListDialog.show(getSupportFragmentManager());
+    }
 
+    @Override
+    public void onPageChanged(@NonNull CallParticipantsState.SelectedPage page) {
+      viewModel.setIsViewingFocusedParticipant(page);
     }
   }
 

app/src/main/java/org/thoughtcrime/securesms/animation/ResizeAnimation.java

@@ -0,0 +1,50 @@
+package org.thoughtcrime.securesms.animation;
+
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.animation.Animation;
+import android.view.animation.Transformation;
+
+import androidx.annotation.NonNull;
+
+public class ResizeAnimation extends Animation {
+
+  private final View target;
+  private final int  targetWidthPx;
+  private final int  targetHeightPx;
+
+  private int startWidth;
+  private int startHeight;
+
+  public ResizeAnimation(@NonNull View target, int targetWidthPx, int targetHeightPx) {
+    this.target         = target;
+    this.targetWidthPx  = targetWidthPx;
+    this.targetHeightPx = targetHeightPx;
+  }
+
+  @Override
+  protected void applyTransformation(float interpolatedTime, Transformation t) {
+    int newWidth  = (int) (startWidth + (targetWidthPx - startWidth) * interpolatedTime);
+    int newHeight = (int) (startHeight + (targetHeightPx - startHeight) * interpolatedTime);
+
+    ViewGroup.LayoutParams params = target.getLayoutParams();
+
+    params.width  = newWidth;
+    params.height = newHeight;
+
+    target.setLayoutParams(params);
+  }
+
+  @Override
+  public void initialize(int width, int height, int parentWidth, int parentHeight) {
+    super.initialize(width, height, parentWidth, parentHeight);
+
+    this.startWidth  = width;
+    this.startHeight = height;
+  }
+
+  @Override
+  public boolean willChangeBounds() {
+    return true;
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/animation/transitions/CircleSquareImageViewTransition.java

@@ -0,0 +1,83 @@
+package org.thoughtcrime.securesms.animation.transitions;
+
+import android.animation.Animator;
+import android.animation.ObjectAnimator;
+import android.annotation.TargetApi;
+import android.graphics.drawable.Drawable;
+import android.transition.Transition;
+import android.transition.TransitionValues;
+import android.util.Property;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+
+import androidx.core.graphics.drawable.RoundedBitmapDrawable;
+
+@TargetApi(21)
+abstract class CircleSquareImageViewTransition extends Transition {
+
+  private static final String CIRCLE_RATIO = "CIRCLE_RATIO";
+
+  private final boolean toCircle;
+
+  CircleSquareImageViewTransition(boolean toCircle) {
+    this.toCircle = toCircle;
+  }
+
+  @Override
+  public void captureStartValues(TransitionValues transitionValues) {
+    View view = transitionValues.view;
+    if (view instanceof ImageView) {
+      transitionValues.values.put(CIRCLE_RATIO, toCircle ? 0f : 1f);
+    }
+  }
+
+  @Override
+  public void captureEndValues(TransitionValues transitionValues) {
+    View view = transitionValues.view;
+    if (view instanceof ImageView) {
+      transitionValues.values.put(CIRCLE_RATIO, toCircle ? 1f : 0f);
+    }
+  }
+
+  @Override
+  public Animator createAnimator(ViewGroup sceneRoot, TransitionValues startValues, TransitionValues endValues) {
+    if (startValues == null || endValues == null) {
+      return null;
+    }
+
+    ImageView endImageView = (ImageView) endValues.view;
+    float     start        = (float) startValues.values.get(CIRCLE_RATIO);
+    float     end          = (float) endValues.values.get(CIRCLE_RATIO);
+
+    return ObjectAnimator.ofFloat(endImageView, new RadiusRatioProperty(), start, end);
+  }
+
+  static final class RadiusRatioProperty extends Property<ImageView, Float> {
+
+    private float ratio;
+
+    RadiusRatioProperty() {
+      super(Float.class, "circle_ratio");
+    }
+
+    @Override
+    final public void set(ImageView imageView, Float ratio) {
+      this.ratio = ratio;
+      Drawable imageViewDrawable = imageView.getDrawable();
+      if (imageViewDrawable instanceof RoundedBitmapDrawable) {
+        RoundedBitmapDrawable drawable = (RoundedBitmapDrawable) imageViewDrawable;
+        if (ratio > 0.95) {
+          drawable.setCircular(true);
+        } else {
+          drawable.setCornerRadius(Math.min(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()) * ratio * 0.5f);
+        }
+      }
+    }
+
+    @Override
+    public Float get(ImageView object) {
+      return ratio;
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/animation/transitions/CircleToSquareImageViewTransition.java

@@ -0,0 +1,15 @@
+package org.thoughtcrime.securesms.animation.transitions;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.util.AttributeSet;
+
+/**
+ * Will only transition {@link android.widget.ImageView}s that contain a {@link androidx.core.graphics.drawable.RoundedBitmapDrawable}.
+ */
+@TargetApi(21)
+public final class CircleToSquareImageViewTransition extends CircleSquareImageViewTransition {
+  public CircleToSquareImageViewTransition(Context context, AttributeSet attrs) {
+    super(false);
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/animation/transitions/SquareToCircleImageViewTransition.java

@@ -0,0 +1,15 @@
+package org.thoughtcrime.securesms.animation.transitions;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.util.AttributeSet;
+
+/**
+ * Will only transition {@link android.widget.ImageView}s that contain a {@link androidx.core.graphics.drawable.RoundedBitmapDrawable}.
+ */
+@TargetApi(21)
+public final class SquareToCircleImageViewTransition extends CircleSquareImageViewTransition {
+  public SquareToCircleImageViewTransition(Context context, AttributeSet attrs) {
+    super(true);
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/attachments/Attachment.java

@@ -39,6 +39,7 @@ public abstract class Attachment {
   private final String fastPreflightId;
 
   private final boolean voiceNote;
+  private final boolean borderless;
   private final int     width;
   private final int     height;
   private final boolean quote;
@@ -59,11 +60,26 @@ public abstract class Attachment {
   @NonNull
   private final TransformProperties transformProperties;
 
-  public Attachment(@NonNull String contentType, int transferState, long size, @Nullable String fileName,
-                    int cdnNumber, @Nullable String location, @Nullable String key, @Nullable String relay,
-                    @Nullable byte[] digest, @Nullable String fastPreflightId, boolean voiceNote,
-                    int width, int height, boolean quote, long uploadTimestamp, @Nullable String caption,
-                    @Nullable StickerLocator stickerLocator, @Nullable BlurHash blurHash, @Nullable AudioHash audioHash,
+  public Attachment(@NonNull String contentType,
+                    int transferState,
+                    long size,
+                    @Nullable String fileName,
+                    int cdnNumber,
+                    @Nullable String location,
+                    @Nullable String key,
+                    @Nullable String relay,
+                    @Nullable byte[] digest,
+                    @Nullable String fastPreflightId,
+                    boolean voiceNote,
+                    boolean borderless,
+                    int width,
+                    int height,
+                    boolean quote,
+                    long uploadTimestamp,
+                    @Nullable String caption,
+                    @Nullable StickerLocator stickerLocator,
+                    @Nullable BlurHash blurHash,
+                    @Nullable AudioHash audioHash,
                     @Nullable TransformProperties transformProperties)
   {
     this.contentType         = contentType;
@@ -77,6 +93,7 @@ public abstract class Attachment {
     this.digest              = digest;
     this.fastPreflightId     = fastPreflightId;
     this.voiceNote           = voiceNote;
+    this.borderless          = borderless;
     this.width               = width;
     this.height              = height;
     this.quote               = quote;
@@ -89,10 +106,7 @@ public abstract class Attachment {
   }
 
   @Nullable
-  public abstract Uri getDataUri();
-
-  @Nullable
-  public abstract Uri getThumbnailUri();
+  public abstract Uri getUri();
 
   public int getTransferState() {
     return transferState;
@@ -150,6 +164,10 @@ public abstract class Attachment {
     return voiceNote;
   }
 
+  public boolean isBorderless() {
+    return borderless;
+  }
+
   public int getWidth() {
     return width;
   }

app/src/main/java/org/thoughtcrime/securesms/attachments/DatabaseAttachment.java

@@ -20,17 +20,34 @@ public class DatabaseAttachment extends Attachment {
   private final boolean      hasThumbnail;
   private final int          displayOrder;
 
-  public DatabaseAttachment(AttachmentId attachmentId, long mmsId,
-                            boolean hasData, boolean hasThumbnail,
-                            String contentType, int transferProgress, long size,
-                            String fileName, int cdnNumber, String location, String key, String relay,
-                            byte[] digest, String fastPreflightId, boolean voiceNote,
-                            int width, int height, boolean quote, @Nullable String caption,
-                            @Nullable StickerLocator stickerLocator, @Nullable BlurHash blurHash, @Nullable AudioHash audioHash,
-                            @Nullable TransformProperties transformProperties, int displayOrder,
+  public DatabaseAttachment(AttachmentId attachmentId,
+                            long mmsId,
+                            boolean hasData,
+                            boolean hasThumbnail,
+                            String contentType,
+                            int transferProgress,
+                            long size,
+                            String fileName,
+                            int cdnNumber,
+                            String location,
+                            String key,
+                            String relay,
+                            byte[] digest,
+                            String fastPreflightId,
+                            boolean voiceNote,
+                            boolean borderless,
+                            int width,
+                            int height,
+                            boolean quote,
+                            @Nullable String caption,
+                            @Nullable StickerLocator stickerLocator,
+                            @Nullable BlurHash blurHash,
+                            @Nullable AudioHash audioHash,
+                            @Nullable TransformProperties transformProperties,
+                            int displayOrder,
                             long uploadTimestamp)
   {
-    super(contentType, transferProgress, size, fileName, cdnNumber, location, key, relay, digest, fastPreflightId, voiceNote, width, height, quote, uploadTimestamp, caption, stickerLocator, blurHash, audioHash, transformProperties);
+    super(contentType, transferProgress, size, fileName, cdnNumber, location, key, relay, digest, fastPreflightId, voiceNote, borderless, width, height, quote, uploadTimestamp, caption, stickerLocator, blurHash, audioHash, transformProperties);
     this.attachmentId = attachmentId;
     this.hasData      = hasData;
     this.hasThumbnail = hasThumbnail;
@@ -40,7 +57,7 @@ public class DatabaseAttachment extends Attachment {
 
   @Override
   @Nullable
-  public Uri getDataUri() {
+  public Uri getUri() {
     if (hasData) {
       return PartAuthority.getAttachmentDataUri(attachmentId);
     } else {
@@ -48,16 +65,6 @@ public class DatabaseAttachment extends Attachment {
     }
   }
 
-  @Override
-  @Nullable
-  public Uri getThumbnailUri() {
-    if (hasThumbnail) {
-      return PartAuthority.getAttachmentThumbnailUri(attachmentId);
-    } else {
-      return null;
-    }
-  }
-
   public AttachmentId getAttachmentId() {
     return attachmentId;
   }

app/src/main/java/org/thoughtcrime/securesms/attachments/MmsNotificationAttachment.java

@@ -10,18 +10,12 @@ import org.thoughtcrime.securesms.database.MmsDatabase;
 public class MmsNotificationAttachment extends Attachment {
 
   public MmsNotificationAttachment(int status, long size) {
-    super("application/mms", getTransferStateFromStatus(status), size, null, 0, null, null, null, null, null, false, 0, 0, false, 0, null, null, null, null, null);
+    super("application/mms", getTransferStateFromStatus(status), size, null, 0, null, null, null, null, null, false, false, 0, 0, false, 0, null, null, null, null, null);
   }
 
   @Nullable
   @Override
-  public Uri getDataUri() {
-    return null;
-  }
-
-  @Nullable
-  @Override
-  public Uri getThumbnailUri() {
+  public Uri getUri() {
     return null;
   }
 

app/src/main/java/org/thoughtcrime/securesms/attachments/PointerAttachment.java

@@ -18,29 +18,34 @@ import java.util.List;
 
 public class PointerAttachment extends Attachment {
 
-  private PointerAttachment(@NonNull String contentType, int transferState, long size,
-                            @Nullable String fileName, int cdnNumber, @NonNull String location,
-                            @Nullable String key, @Nullable String relay,
-                            @Nullable byte[] digest, @Nullable String fastPreflightId, boolean voiceNote,
-                            int width, int height, long uploadTimestamp, @Nullable String caption, @Nullable StickerLocator stickerLocator,
+  private PointerAttachment(@NonNull String contentType,
+                            int transferState,
+                            long size,
+                            @Nullable String fileName,
+                            int cdnNumber,
+                            @NonNull String location,
+                            @Nullable String key,
+                            @Nullable String relay,
+                            @Nullable byte[] digest,
+                            @Nullable String fastPreflightId,
+                            boolean voiceNote,
+                            boolean borderless,
+                            int width,
+                            int height,
+                            long uploadTimestamp,
+                            @Nullable String caption,
+                            @Nullable StickerLocator stickerLocator,
                             @Nullable BlurHash blurHash)
   {
-    super(contentType, transferState, size, fileName, cdnNumber, location, key, relay, digest, fastPreflightId, voiceNote, width, height, false, uploadTimestamp, caption, stickerLocator, blurHash, null, null);
+    super(contentType, transferState, size, fileName, cdnNumber, location, key, relay, digest, fastPreflightId, voiceNote, borderless, width, height, false, uploadTimestamp, caption, stickerLocator, blurHash, null, null);
   }
 
   @Nullable
   @Override
-  public Uri getDataUri() {
+  public Uri getUri() {
     return null;
   }
 
-  @Nullable
-  @Override
-  public Uri getThumbnailUri() {
-    return null;
-  }
-
-
   public static List<Attachment> forPointers(Optional<List<SignalServiceAttachment>> pointers) {
     List<Attachment> results = new LinkedList<>();
 
@@ -91,21 +96,22 @@ public class PointerAttachment extends Attachment {
     }
 
     return Optional.of(new PointerAttachment(pointer.get().getContentType(),
-                                      AttachmentDatabase.TRANSFER_PROGRESS_PENDING,
-                                      pointer.get().asPointer().getSize().or(0),
-                                      pointer.get().asPointer().getFileName().orNull(),
-                                      pointer.get().asPointer().getCdnNumber(),
-                                      pointer.get().asPointer().getRemoteId().toString(),
-                                      encodedKey, null,
-                                      pointer.get().asPointer().getDigest().orNull(),
-                                      fastPreflightId,
-                                      pointer.get().asPointer().getVoiceNote(),
-                                      pointer.get().asPointer().getWidth(),
-                                      pointer.get().asPointer().getHeight(),
-                                      pointer.get().asPointer().getUploadTimestamp(),
-                                      pointer.get().asPointer().getCaption().orNull(),
-                                      stickerLocator,
-                                      BlurHash.parseOrNull(pointer.get().asPointer().getBlurHash().orNull())));
+                                             AttachmentDatabase.TRANSFER_PROGRESS_PENDING,
+                                             pointer.get().asPointer().getSize().or(0),
+                                             pointer.get().asPointer().getFileName().orNull(),
+                                             pointer.get().asPointer().getCdnNumber(),
+                                             pointer.get().asPointer().getRemoteId().toString(),
+                                             encodedKey, null,
+                                             pointer.get().asPointer().getDigest().orNull(),
+                                             fastPreflightId,
+                                             pointer.get().asPointer().getVoiceNote(),
+                                             pointer.get().asPointer().isBorderless(),
+                                             pointer.get().asPointer().getWidth(),
+                                             pointer.get().asPointer().getHeight(),
+                                             pointer.get().asPointer().getUploadTimestamp(),
+                                             pointer.get().asPointer().getCaption().orNull(),
+                                             stickerLocator,
+                                             BlurHash.parseOrNull(pointer.get().asPointer().getBlurHash().orNull())));
 
   }
 
@@ -123,6 +129,7 @@ public class PointerAttachment extends Attachment {
                                              thumbnail != null ? thumbnail.asPointer().getDigest().orNull() : null,
                                              null,
                                              false,
+                                             false,
                                              thumbnail != null ? thumbnail.asPointer().getWidth() : 0,
                                              thumbnail != null ? thumbnail.asPointer().getHeight() : 0,
                                              thumbnail != null ? thumbnail.asPointer().getUploadTimestamp() : 0,

app/src/main/java/org/thoughtcrime/securesms/attachments/TombstoneAttachment.java

@@ -16,16 +16,11 @@ import org.thoughtcrime.securesms.database.AttachmentDatabase;
 public class TombstoneAttachment extends Attachment {
 
   public TombstoneAttachment(@NonNull String contentType, boolean quote) {
-    super(contentType, AttachmentDatabase.TRANSFER_PROGRESS_DONE, 0, null, 0, null, null, null, null, null, false, 0, 0, quote, 0, null, null, null, null, null);
+    super(contentType, AttachmentDatabase.TRANSFER_PROGRESS_DONE, 0, null, 0, null, null, null, null, null, false, false, 0, 0, quote, 0, null, null, null, null, null);
   }
 
   @Override
-  public @Nullable Uri getDataUri() {
-    return null;
-  }
-
-  @Override
-  public @Nullable Uri getThumbnailUri() {
+  public @Nullable Uri getUri() {
     return null;
   }
 }

app/src/main/java/org/thoughtcrime/securesms/attachments/UriAttachment.java

@@ -13,38 +13,51 @@ import org.thoughtcrime.securesms.stickers.StickerLocator;
 public class UriAttachment extends Attachment {
 
   private final @NonNull  Uri dataUri;
-  private final @Nullable Uri thumbnailUri;
 
-  public UriAttachment(@NonNull Uri uri, @NonNull String contentType, int transferState, long size,
-                       @Nullable String fileName, boolean voiceNote, boolean quote, @Nullable String caption,
-                       @Nullable StickerLocator stickerLocator, @Nullable BlurHash blurHash, @Nullable AudioHash audioHash, @Nullable TransformProperties transformProperties)
+  public UriAttachment(@NonNull Uri uri,
+                       @NonNull String contentType,
+                       int transferState,
+                       long size,
+                       @Nullable String fileName,
+                       boolean voiceNote,
+                       boolean borderless,
+                       boolean quote,
+                       @Nullable String caption,
+                       @Nullable StickerLocator stickerLocator,
+                       @Nullable BlurHash blurHash,
+                       @Nullable AudioHash audioHash,
+                       @Nullable TransformProperties transformProperties)
   {
-    this(uri, uri, contentType, transferState, size, 0, 0, fileName, null, voiceNote, quote, caption, stickerLocator, blurHash, audioHash, transformProperties);
+    this(uri, contentType, transferState, size, 0, 0, fileName, null, voiceNote, borderless, quote, caption, stickerLocator, blurHash, audioHash, transformProperties);
   }
 
-  public UriAttachment(@NonNull Uri dataUri, @Nullable Uri thumbnailUri,
-                       @NonNull String contentType, int transferState, long size, int width, int height,
-                       @Nullable String fileName, @Nullable String fastPreflightId,
-                       boolean voiceNote, boolean quote, @Nullable String caption, @Nullable StickerLocator stickerLocator,
-                       @Nullable BlurHash blurHash, @Nullable AudioHash audioHash, @Nullable TransformProperties transformProperties)
+  public UriAttachment(@NonNull Uri dataUri,
+                       @NonNull String contentType,
+                       int transferState,
+                       long size,
+                       int width,
+                       int height,
+                       @Nullable String fileName,
+                       @Nullable String fastPreflightId,
+                       boolean voiceNote,
+                       boolean borderless,
+                       boolean quote,
+                       @Nullable String caption,
+                       @Nullable StickerLocator stickerLocator,
+                       @Nullable BlurHash blurHash,
+                       @Nullable AudioHash audioHash,
+                       @Nullable TransformProperties transformProperties)
   {
-    super(contentType, transferState, size, fileName, 0, null, null, null, null, fastPreflightId, voiceNote, width, height, quote, 0, caption, stickerLocator, blurHash, audioHash, transformProperties);
-    this.dataUri      = dataUri;
-    this.thumbnailUri = thumbnailUri;
+    super(contentType, transferState, size, fileName, 0, null, null, null, null, fastPreflightId, voiceNote, borderless, width, height, quote, 0, caption, stickerLocator, blurHash, audioHash, transformProperties);
+    this.dataUri = dataUri;
   }
 
   @Override
   @NonNull
-  public Uri getDataUri() {
+  public Uri getUri() {
     return dataUri;
   }
 
-  @Override
-  @Nullable
-  public Uri getThumbnailUri() {
-    return thumbnailUri;
-  }
-
   @Override
   public boolean equals(Object other) {
     return other != null && other instanceof UriAttachment && ((UriAttachment) other).dataUri.equals(this.dataUri);

app/src/main/java/org/thoughtcrime/securesms/audio/AudioWaveForm.java

@@ -18,6 +18,7 @@ import com.google.protobuf.ByteString;
 
 import org.thoughtcrime.securesms.attachments.Attachment;
 import org.thoughtcrime.securesms.attachments.DatabaseAttachment;
+import org.thoughtcrime.securesms.database.AttachmentDatabase;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.model.databaseprotos.AudioWaveFormData;
 import org.thoughtcrime.securesms.logging.Log;
@@ -89,7 +90,11 @@ public final class AudioWaveForm {
       AudioHash audioHash = attachment.getAudioHash();
       if (audioHash != null) {
         AudioFileInfo audioFileInfo = AudioFileInfo.fromDatabaseProtobuf(audioHash.getAudioWaveForm());
-        if (audioFileInfo.waveForm.length != BAR_COUNT) {
+        if (audioFileInfo.waveForm.length == 0) {
+          Log.w(TAG, "Recovering from a wave form generation error  " + cacheKey);
+          Util.runOnMain(onFailure);
+          return;
+        } else if (audioFileInfo.waveForm.length != BAR_COUNT) {
           Log.w(TAG, "Wave form from database does not match bar count, regenerating " + cacheKey);
         } else {
           WAVE_FORM_CACHE.put(cacheKey, audioFileInfo);
@@ -100,13 +105,19 @@ public final class AudioWaveForm {
       }
 
       try {
-        DatabaseAttachment dbAttachment = (DatabaseAttachment) attachment;
-        long               startTime    = System.currentTimeMillis();
-        AudioFileInfo      fileInfo     = generateWaveForm(uri);
+        AttachmentDatabase attachmentDatabase = DatabaseFactory.getAttachmentDatabase(context);
+        DatabaseAttachment dbAttachment       = (DatabaseAttachment) attachment;
+        long               startTime          = System.currentTimeMillis();
+
+        attachmentDatabase.writeAudioHash(dbAttachment.getAttachmentId(), AudioWaveFormData.getDefaultInstance());
+
+        Log.i(TAG, String.format("Starting wave form generation (%s)", cacheKey));
+
+        AudioFileInfo fileInfo = generateWaveForm(uri);
 
         Log.i(TAG, String.format(Locale.US, "Audio wave form generation time %d ms (%s)", System.currentTimeMillis() - startTime, cacheKey));
 
-        DatabaseFactory.getAttachmentDatabase(context).writeAudioHash(dbAttachment.getAttachmentId(), fileInfo.toDatabaseProtobuf());
+        attachmentDatabase.writeAudioHash(dbAttachment.getAttachmentId(), fileInfo.toDatabaseProtobuf());
 
         WAVE_FORM_CACHE.put(cacheKey, fileInfo);
         Util.runOnMain(() -> onSuccess.accept(fileInfo));

app/src/main/java/org/thoughtcrime/securesms/backup/FullBackupExporter.java

@@ -30,6 +30,7 @@ import org.thoughtcrime.securesms.database.OneTimePreKeyDatabase;
 import org.thoughtcrime.securesms.database.SearchDatabase;
 import org.thoughtcrime.securesms.database.SessionDatabase;
 import org.thoughtcrime.securesms.database.SignedPreKeyDatabase;
+import org.thoughtcrime.securesms.database.SmsDatabase;
 import org.thoughtcrime.securesms.database.StickerDatabase;
 import org.thoughtcrime.securesms.logging.Log;
 import org.thoughtcrime.securesms.profiles.AvatarHelper;
@@ -40,7 +41,6 @@ import org.whispersystems.libsignal.kdf.HKDFv3;
 import org.whispersystems.libsignal.util.ByteUtil;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -96,7 +96,9 @@ public class FullBackupExporter extends FullBackupBase {
 
       for (String table : tables) {
         if (table.equals(MmsDatabase.TABLE_NAME)) {
-          count = exportTable(table, input, outputStream, FullBackupExporter::isNonExpiringMessage, null, count);
+          count = exportTable(table, input, outputStream, FullBackupExporter::isNonExpiringMmsMessage, null, count);
+        } else if (table.equals(SmsDatabase.TABLE_NAME)) {
+          count = exportTable(table, input, outputStream, FullBackupExporter::isNonExpiringSmsMessage, null, count);
         } else if (table.equals(GroupReceiptDatabase.TABLE_NAME)) {
           count = exportTable(table, input, outputStream, cursor -> isForNonExpiringMessage(input, cursor.getLong(cursor.getColumnIndexOrThrow(GroupReceiptDatabase.MMS_ID))), null, count);
         } else if (table.equals(AttachmentDatabase.TABLE_NAME)) {
@@ -283,11 +285,15 @@ public class FullBackupExporter extends FullBackupBase {
     return result;
   }
 
-  private static boolean isNonExpiringMessage(@NonNull Cursor cursor) {
+  private static boolean isNonExpiringMmsMessage(@NonNull Cursor cursor) {
     return cursor.getInt(cursor.getColumnIndexOrThrow(MmsSmsColumns.EXPIRES_IN)) <= 0 &&
            cursor.getInt(cursor.getColumnIndexOrThrow(MmsDatabase.VIEW_ONCE))    <= 0;
   }
 
+  private static boolean isNonExpiringSmsMessage(@NonNull Cursor cursor) {
+    return cursor.getInt(cursor.getColumnIndexOrThrow(MmsSmsColumns.EXPIRES_IN)) <= 0;
+  }
+
   private static boolean isForNonExpiringMessage(@NonNull SQLiteDatabase db, long mmsId) {
     String[] columns = new String[] { MmsDatabase.EXPIRES_IN, MmsDatabase.VIEW_ONCE};
     String   where   = MmsDatabase.ID + " = ?";

app/src/main/java/org/thoughtcrime/securesms/backup/FullBackupImporter.java

@@ -138,13 +138,11 @@ public class FullBackupImporter extends FullBackupBase {
       inputStream.readAttachmentTo(output.second, attachment.getLength());
 
       contentValues.put(AttachmentDatabase.DATA, dataFile.getAbsolutePath());
-      contentValues.put(AttachmentDatabase.THUMBNAIL, (String)null);
       contentValues.put(AttachmentDatabase.DATA_RANDOM, output.first);
     } catch (BadMacException e) {
       Log.w(TAG, "Bad MAC for attachment " + attachment.getAttachmentId() + "! Can't restore it.", e);
       dataFile.delete();
       contentValues.put(AttachmentDatabase.DATA, (String) null);
-      contentValues.put(AttachmentDatabase.THUMBNAIL, (String) null);
       contentValues.put(AttachmentDatabase.DATA_RANDOM, (String) null);
     }
 
@@ -156,7 +154,7 @@ public class FullBackupImporter extends FullBackupBase {
   private static void processSticker(@NonNull Context context, @NonNull AttachmentSecret attachmentSecret, @NonNull SQLiteDatabase db, @NonNull Sticker sticker, BackupRecordInputStream inputStream)
       throws IOException
   {
-    File stickerDirectory = context.getDir(AttachmentDatabase.DIRECTORY, Context.MODE_PRIVATE);
+    File stickerDirectory = context.getDir(StickerDatabase.DIRECTORY, Context.MODE_PRIVATE);
     File dataFile         = File.createTempFile("sticker", ".mms", stickerDirectory);
 
     Pair<byte[], OutputStream> output = ModernEncryptingPartOutputStream.createFor(attachmentSecret, dataFile, false);

app/src/main/java/org/thoughtcrime/securesms/color/MaterialColors.java

@@ -1,6 +1,8 @@
 package org.thoughtcrime.securesms.color;
 
 import android.content.Context;
+
+import androidx.annotation.ColorInt;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
@@ -52,7 +54,7 @@ public class MaterialColors {
       return null;
     }
 
-    public int[] asConversationColorArray(@NonNull Context context) {
+    public @ColorInt int[] asConversationColorArray(@NonNull Context context) {
       int[] results = new int[colors.size()];
       int   index   = 0;
 

app/src/main/java/org/thoughtcrime/securesms/components/AvatarImageView.java

@@ -16,7 +16,6 @@ import androidx.fragment.app.FragmentActivity;
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
 
 import org.thoughtcrime.securesms.R;
-import org.thoughtcrime.securesms.RecipientPreferenceActivity;
 import org.thoughtcrime.securesms.color.MaterialColor;
 import org.thoughtcrime.securesms.contacts.avatars.ContactColors;
 import org.thoughtcrime.securesms.contacts.avatars.ContactPhoto;
@@ -26,9 +25,10 @@ import org.thoughtcrime.securesms.mms.GlideApp;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.ui.bottomsheet.RecipientBottomSheetDialogFragment;
+import org.thoughtcrime.securesms.recipients.ui.managerecipient.ManageRecipientActivity;
 import org.thoughtcrime.securesms.util.AvatarUtil;
-import org.thoughtcrime.securesms.util.FeatureFlags;
 import org.thoughtcrime.securesms.util.ThemeUtil;
+import org.thoughtcrime.securesms.util.Util;
 
 import java.util.Objects;
 
@@ -113,6 +113,9 @@ public final class AvatarImageView extends AppCompatImageView {
     this.fallbackPhotoProvider = fallbackPhotoProvider;
   }
 
+  /**
+   * Shows self as the actual profile picture.
+   */
   public void setRecipient(@NonNull Recipient recipient) {
     if (recipient.isLocalNumber()) {
       setAvatar(GlideApp.with(this), null, false);
@@ -122,6 +125,13 @@ public final class AvatarImageView extends AppCompatImageView {
     }
   }
 
+  /**
+   * Shows self as the note to self icon.
+   */
+  public void setAvatar(@Nullable Recipient recipient) {
+    setAvatar(GlideApp.with(this), recipient, false);
+  }
+
   public void setAvatar(@NonNull GlideRequests requestManager, @Nullable Recipient recipient, boolean quickContactEnabled) {
     if (recipient != null) {
       RecipientContactPhoto photo = new RecipientContactPhoto(recipient);
@@ -165,7 +175,7 @@ public final class AvatarImageView extends AppCompatImageView {
     if (quickContactEnabled) {
       super.setOnClickListener(v -> {
         Context context = getContext();
-        if (FeatureFlags.newGroupUI() && recipient.isPushGroup()) {
+        if (recipient.isPushGroup()) {
           context.startActivity(ManageGroupActivity.newIntent(context, recipient.requireGroupId().requirePush()),
                                 ManageGroupActivity.createTransitionBundle(context, this));
         } else {
@@ -173,7 +183,8 @@ public final class AvatarImageView extends AppCompatImageView {
             RecipientBottomSheetDialogFragment.create(recipient.getId(), null)
                                               .show(((FragmentActivity) context).getSupportFragmentManager(), "BOTTOM");
           } else {
-            context.startActivity(RecipientPreferenceActivity.getLaunchIntent(context, recipient.getId()));
+            context.startActivity(ManageRecipientActivity.newIntent(context, recipient.getId()),
+                                  ManageRecipientActivity.createTransitionBundle(context, this));
           }
         }
       });
@@ -183,6 +194,23 @@ public final class AvatarImageView extends AppCompatImageView {
     }
   }
 
+  public void setImageBytesForGroup(@Nullable byte[] avatarBytes,
+                                    @Nullable Recipient.FallbackPhotoProvider fallbackPhotoProvider,
+                                    @NonNull MaterialColor color)
+  {
+    Drawable fallback = Util.firstNonNull(fallbackPhotoProvider, Recipient.DEFAULT_FALLBACK_PHOTO_PROVIDER)
+                            .getPhotoForGroup()
+                            .asDrawable(getContext(), color.toAvatarColor(getContext()));
+
+    GlideApp.with(this)
+            .load(avatarBytes)
+            .fallback(fallback)
+            .error(fallback)
+            .diskCacheStrategy(DiskCacheStrategy.ALL)
+            .circleCrop()
+            .into(this);
+  }
+
   private static class RecipientContactPhoto {
 
     private final @NonNull  Recipient    recipient;

app/src/main/java/org/thoughtcrime/securesms/components/BorderlessImageView.java

@@ -7,23 +7,26 @@ import android.util.AttributeSet;
 import android.view.View;
 import android.widget.FrameLayout;
 
+import com.bumptech.glide.load.resource.bitmap.CenterCrop;
+import com.bumptech.glide.load.resource.bitmap.CenterInside;
+
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.mms.Slide;
 import org.thoughtcrime.securesms.mms.SlideClickListener;
 import org.thoughtcrime.securesms.mms.SlidesClickedListener;
 
-public class StickerView extends FrameLayout {
+public class BorderlessImageView extends FrameLayout {
 
   private ThumbnailView image;
   private View          missingShade;
 
-  public StickerView(@NonNull Context context) {
+  public BorderlessImageView(@NonNull Context context) {
     super(context);
     init();
   }
 
-  public StickerView(@NonNull Context context, @Nullable AttributeSet attrs) {
+  public BorderlessImageView(@NonNull Context context, @Nullable AttributeSet attrs) {
     super(context, attrs);
     init();
   }
@@ -50,10 +53,17 @@ public class StickerView extends FrameLayout {
     image.setOnLongClickListener(l);
   }
 
-  public void setSticker(@NonNull GlideRequests glideRequests, @NonNull Slide stickerSlide) {
-    boolean showControls = stickerSlide.asAttachment().getDataUri() == null;
+  public void setSlide(@NonNull GlideRequests glideRequests, @NonNull Slide slide) {
+    boolean showControls = slide.asAttachment().getUri() == null;
+
+    if (slide.hasSticker()) {
+      image.setFit(new CenterInside());
+      image.setImageResource(glideRequests, slide, showControls, false);
+    } else {
+      image.setFit(new CenterCrop());
+      image.setImageResource(glideRequests, slide, showControls, false, slide.asAttachment().getWidth(), slide.asAttachment().getHeight());
+    }
 
-    image.setImageResource(glideRequests, stickerSlide, showControls, false);
     missingShade.setVisibility(showControls ? View.VISIBLE : View.GONE);
   }
 

app/src/main/java/org/thoughtcrime/securesms/components/ComposeText.java

@@ -2,40 +2,58 @@ package org.thoughtcrime.securesms.components;
 
 import android.content.Context;
 import android.content.res.Configuration;
+import android.graphics.Canvas;
 import android.os.Build;
 import android.os.Bundle;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.annotation.RequiresApi;
-import androidx.core.view.inputmethod.EditorInfoCompat;
-import androidx.core.view.inputmethod.InputConnectionCompat;
-import androidx.core.view.inputmethod.InputContentInfoCompat;
-import androidx.core.os.BuildCompat;
-
+import android.text.Annotation;
+import android.text.Editable;
 import android.text.InputType;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
+import android.text.Spanned;
 import android.text.TextUtils;
 import android.text.TextUtils.TruncateAt;
 import android.text.style.RelativeSizeSpan;
 import android.util.AttributeSet;
-import org.thoughtcrime.securesms.logging.Log;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputConnection;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.core.view.inputmethod.EditorInfoCompat;
+import androidx.core.view.inputmethod.InputConnectionCompat;
+import androidx.core.view.inputmethod.InputContentInfoCompat;
+
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.TransportOption;
 import org.thoughtcrime.securesms.components.emoji.EmojiEditText;
+import org.thoughtcrime.securesms.components.mention.MentionAnnotation;
+import org.thoughtcrime.securesms.components.mention.MentionDeleter;
+import org.thoughtcrime.securesms.components.mention.MentionRendererDelegate;
+import org.thoughtcrime.securesms.components.mention.MentionValidatorWatcher;
+import org.thoughtcrime.securesms.database.model.Mention;
+import org.thoughtcrime.securesms.logging.Log;
+import org.thoughtcrime.securesms.recipients.RecipientId;
+import org.thoughtcrime.securesms.util.FeatureFlags;
+import org.thoughtcrime.securesms.util.StringUtil;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
+import org.thoughtcrime.securesms.util.ThemeUtil;
+
+import java.util.List;
+
+import static org.thoughtcrime.securesms.database.MentionUtil.MENTION_STARTER;
 
 public class ComposeText extends EmojiEditText {
 
-  private CharSequence    hint;
-  private SpannableString subHint;
+  private CharSequence            hint;
+  private SpannableString         subHint;
+  private MentionRendererDelegate mentionRendererDelegate;
+  private MentionValidatorWatcher mentionValidatorWatcher;
 
   @Nullable private InputPanel.MediaListener      mediaListener;
   @Nullable private CursorPositionChangedListener cursorPositionChangedListener;
+  @Nullable private MentionQueryChangedListener   mentionQueryChangedListener;
 
   public ComposeText(Context context) {
     super(context);
@@ -52,8 +70,15 @@ public class ComposeText extends EmojiEditText {
     initialize();
   }
 
-  public String getTextTrimmed(){
-    return getText().toString().trim();
+  /**
+   * Trims and returns text while preserving potential spans like {@link MentionAnnotation}.
+   */
+  public @NonNull CharSequence getTextTrimmed() {
+    Editable text = getText();
+    if (text == null) {
+      return "";
+    }
+    return StringUtil.trimSequence(text);
   }
 
   @Override
@@ -72,14 +97,51 @@ public class ComposeText extends EmojiEditText {
   }
 
   @Override
-  protected void onSelectionChanged(int selStart, int selEnd) {
-    super.onSelectionChanged(selStart, selEnd);
+  protected void onSelectionChanged(int selectionStart, int selectionEnd) {
+    super.onSelectionChanged(selectionStart, selectionEnd);
+
+    if (FeatureFlags.mentions() && getText() != null) {
+      boolean selectionChanged = changeSelectionForPartialMentions(getText(), selectionStart, selectionEnd);
+      if (selectionChanged) {
+        return;
+      }
+
+      if (selectionStart == selectionEnd) {
+        doAfterCursorChange(getText());
+      } else {
+        updateQuery(null);
+      }
+    }
 
     if (cursorPositionChangedListener != null) {
-      cursorPositionChangedListener.onCursorPositionChanged(selStart, selEnd);
+      cursorPositionChangedListener.onCursorPositionChanged(selectionStart, selectionEnd);
     }
   }
 
+  @Override
+  protected void onDraw(Canvas canvas) {
+    if (getText() != null && getLayout() != null) {
+      int checkpoint = canvas.save();
+
+      // Clip using same logic as TextView drawing
+      int   maxScrollY = getLayout().getHeight() - getBottom() - getTop() - getCompoundPaddingBottom() - getCompoundPaddingTop();
+      float clipLeft   = getCompoundPaddingLeft() + getScrollX();
+      float clipTop    = (getScrollY() == 0) ? 0 : getExtendedPaddingTop() + getScrollY();
+      float clipRight  = getRight() - getLeft() - getCompoundPaddingRight() + getScrollX();
+      float clipBottom = getBottom() - getTop() + getScrollY() - ((getScrollY() == maxScrollY) ? 0 : getExtendedPaddingBottom());
+
+      canvas.clipRect(clipLeft - 10, clipTop, clipRight + 10, clipBottom);
+      canvas.translate(getTotalPaddingLeft(), getTotalPaddingTop());
+
+      try {
+        mentionRendererDelegate.draw(canvas, getText(), getLayout());
+      } finally {
+        canvas.restoreToCount(checkpoint);
+      }
+    }
+    super.onDraw(canvas);
+  }
+
   private CharSequence ellipsizeToWidth(CharSequence text) {
     return TextUtils.ellipsize(text,
                                getPaint(),
@@ -104,9 +166,15 @@ public class ComposeText extends EmojiEditText {
     } else {
       super.setHint(ellipsizeToWidth(this.hint));
     }
+
+    super.setHint(hint);
   }
 
   public void appendInvite(String invite) {
+    if (getText() == null) {
+      return;
+    }
+
     if (!TextUtils.isEmpty(getText()) && !getText().toString().equals(" ")) {
       append(" ");
     }
@@ -119,13 +187,22 @@ public class ComposeText extends EmojiEditText {
     this.cursorPositionChangedListener = listener;
   }
 
+  public void setMentionQueryChangedListener(@Nullable MentionQueryChangedListener listener) {
+    this.mentionQueryChangedListener = listener;
+  }
+
+  public void setMentionValidator(@Nullable MentionValidatorWatcher.MentionValidator mentionValidator) {
+    if (FeatureFlags.mentions()) {
+      mentionValidatorWatcher.setMentionValidator(mentionValidator);
+    }
+  }
+
   private boolean isLandscape() {
     return getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
   }
 
   public void setTransport(TransportOption transport) {
     final boolean useSystemEmoji = TextSecurePreferences.isSystemEmojiPreferred(getContext());
-    final boolean isIncognito    = TextSecurePreferences.isIncognitoKeyboardEnabled(getContext());
 
     int imeOptions = (getImeOptions() & ~EditorInfo.IME_MASK_ACTION) | EditorInfo.IME_ACTION_SEND;
     int inputType  = getInputType();
@@ -137,12 +214,12 @@ public class ComposeText extends EmojiEditText {
       inputType = (inputType & ~InputType.TYPE_MASK_VARIATION) | InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE;
     }
 
-    setInputType(inputType);
     setImeOptions(imeOptions);
     setHint(transport.getComposeHint(),
             transport.getSimName().isPresent()
                 ? getContext().getString(R.string.conversation_activity__from_sim_name, transport.getSimName().get())
                 : null);
+    setInputType(inputType);
   }
 
   @Override
@@ -165,13 +242,131 @@ public class ComposeText extends EmojiEditText {
     this.mediaListener = mediaListener;
   }
 
+  public boolean hasMentions() {
+    Editable text = getText();
+    if (text != null) {
+      return !MentionAnnotation.getMentionAnnotations(text).isEmpty();
+    }
+    return false;
+  }
+
+  public @NonNull List<Mention> getMentions() {
+    return MentionAnnotation.getMentionsFromAnnotations(getText());
+  }
+
   private void initialize() {
     if (TextSecurePreferences.isIncognitoKeyboardEnabled(getContext())) {
       setImeOptions(getImeOptions() | 16777216);
     }
+
+    mentionRendererDelegate = new MentionRendererDelegate(getContext(), ThemeUtil.getThemedColor(getContext(), R.attr.conversation_mention_background_color));
+
+    if (FeatureFlags.mentions()) {
+      addTextChangedListener(new MentionDeleter());
+      mentionValidatorWatcher = new MentionValidatorWatcher();
+      addTextChangedListener(mentionValidatorWatcher);
+    }
+  }
+
+  private boolean changeSelectionForPartialMentions(@NonNull Spanned spanned, int selectionStart, int selectionEnd) {
+    Annotation[] annotations = spanned.getSpans(0, spanned.length(), Annotation.class);
+    for (Annotation annotation : annotations) {
+      if (MentionAnnotation.isMentionAnnotation(annotation)) {
+        int spanStart = spanned.getSpanStart(annotation);
+        int spanEnd   = spanned.getSpanEnd(annotation);
+
+        boolean startInMention = selectionStart > spanStart && selectionStart < spanEnd;
+        boolean endInMention   = selectionEnd > spanStart && selectionEnd < spanEnd;
+
+        if (startInMention || endInMention) {
+          if (selectionStart == selectionEnd) {
+            setSelection(spanEnd, spanEnd);
+          } else {
+            int newStart = startInMention ? spanStart : selectionStart;
+            int newEnd   = endInMention ? spanEnd : selectionEnd;
+            setSelection(newStart, newEnd);
+          }
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+
+  private void doAfterCursorChange(@NonNull Editable text) {
+    if (enoughToFilter(text)) {
+      performFiltering(text);
+    } else {
+      updateQuery(null);
+    }
+  }
+
+  private void performFiltering(@NonNull Editable text) {
+    int          end   = getSelectionEnd();
+    int          start = findQueryStart(text, end);
+    CharSequence query = text.subSequence(start, end);
+    updateQuery(query.toString());
+  }
+
+  private void updateQuery(@Nullable String query) {
+    if (mentionQueryChangedListener != null) {
+      mentionQueryChangedListener.onQueryChanged(query);
+    }
+  }
+
+  private boolean enoughToFilter(@NonNull Editable text) {
+    int end = getSelectionEnd();
+    if (end < 0) {
+      return false;
+    }
+    return findQueryStart(text, end) != -1;
+  }
+
+  public void replaceTextWithMention(@NonNull String displayName, @NonNull RecipientId recipientId) {
+    Editable text = getText();
+    if (text == null) {
+      return;
+    }
+
+    clearComposingText();
+
+    int    end      = getSelectionEnd();
+    int    start    = findQueryStart(text, end) - 1;
+
+    text.replace(start, end, createReplacementToken(displayName, recipientId));
+  }
+
+  private @NonNull CharSequence createReplacementToken(@NonNull CharSequence text, @NonNull RecipientId recipientId) {
+    SpannableStringBuilder builder = new SpannableStringBuilder().append(MENTION_STARTER);
+    if (text instanceof Spanned) {
+      SpannableString spannableString = new SpannableString(text + " ");
+      TextUtils.copySpansFrom((Spanned) text, 0, text.length(), Object.class, spannableString, 0);
+      builder.append(spannableString);
+    } else {
+      builder.append(text).append(" ");
+    }
+
+    builder.setSpan(MentionAnnotation.mentionAnnotationForRecipientId(recipientId), 0, builder.length() - 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+
+    return builder;
+  }
+
+  private int findQueryStart(@NonNull CharSequence text, int inputCursorPosition) {
+    if (inputCursorPosition == 0) {
+      return -1;
+    }
+
+    int delimiterSearchIndex = inputCursorPosition - 1;
+    while (delimiterSearchIndex >= 0 && (text.charAt(delimiterSearchIndex) != MENTION_STARTER && text.charAt(delimiterSearchIndex) != ' ')) {
+      delimiterSearchIndex--;
+    }
+
+    if (delimiterSearchIndex >= 0 && text.charAt(delimiterSearchIndex) == MENTION_STARTER) {
+      return delimiterSearchIndex + 1;
+    }
+    return -1;
   }
 
-  @RequiresApi(api = Build.VERSION_CODES.HONEYCOMB_MR2)
   private static class CommitContentListener implements InputConnectionCompat.OnCommitContentListener {
 
     private static final String TAG = CommitContentListener.class.getSimpleName();
@@ -184,7 +379,7 @@ public class ComposeText extends EmojiEditText {
 
     @Override
     public boolean onCommitContent(InputContentInfoCompat inputContentInfo, int flags, Bundle opts) {
-      if (BuildCompat.isAtLeastNMR1() && (flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION) != 0) {
+      if (Build.VERSION.SDK_INT >= 25 && (flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION) != 0) {
         try {
           inputContentInfo.requestPermission();
         } catch (Exception e) {
@@ -207,4 +402,8 @@ public class ComposeText extends EmojiEditText {
   public interface CursorPositionChangedListener {
     void onCursorPositionChanged(int start, int end);
   }
+
+  public interface MentionQueryChangedListener {
+    void onQueryChanged(@Nullable String query);
+  }
 }

app/src/main/java/org/thoughtcrime/securesms/components/ConversationItemFooter.java

@@ -6,14 +6,15 @@ import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.PorterDuff;
 import android.os.AsyncTask;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import org.thoughtcrime.securesms.ApplicationContext;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
@@ -94,9 +95,17 @@ public class ConversationItemFooter extends LinearLayout {
 
   private void presentDate(@NonNull MessageRecord messageRecord, @NonNull Locale locale) {
     dateView.forceLayout();
-
     if (messageRecord.isFailed()) {
-      dateView.setText(R.string.ConversationItem_error_not_delivered);
+      int errorMsg;
+      if (messageRecord.hasFailedWithNetworkFailures()) {
+        errorMsg = R.string.ConversationItem_error_network_not_delivered;
+      } else if (messageRecord.getRecipient().isPushGroup() && messageRecord.isIdentityMismatchFailure()) {
+        errorMsg = R.string.ConversationItem_error_partially_not_delivered;
+      } else {
+        errorMsg = R.string.ConversationItem_error_not_sent_tap_for_details;
+      }
+
+      dateView.setText(errorMsg);
     } else if (messageRecord.isPendingInsecureSmsFallback()) {
       dateView.setText(R.string.ConversationItem_click_to_approve_unencrypted);
     } else {

app/src/main/java/org/thoughtcrime/securesms/components/ConversationItemThumbnail.java

@@ -29,6 +29,7 @@ public class ConversationItemThumbnail extends FrameLayout {
   private ConversationItemFooter footer;
   private CornerMask             cornerMask;
   private Outliner               outliner;
+  private Outliner               pulseOutliner;
   private boolean                borderless;
 
   public ConversationItemThumbnail(Context context) {
@@ -80,6 +81,14 @@ public class ConversationItemThumbnail extends FrameLayout {
         outliner.draw(canvas);
       }
     }
+
+    if (pulseOutliner != null) {
+      pulseOutliner.draw(canvas);
+    }
+  }
+
+  public void setPulseOutliner(@NonNull Outliner outliner) {
+    this.pulseOutliner = outliner;
   }
 
   @Override
@@ -110,6 +119,10 @@ public class ConversationItemThumbnail extends FrameLayout {
     outliner.setRadii(topLeft, topRight, bottomRight, bottomLeft);
   }
 
+  public void setMinimumThumbnailWidth(int width) {
+    thumbnail.setMinimumThumbnailWidth(width);
+  }
+
   public void setBorderless(boolean borderless) {
     this.borderless = borderless;
   }

app/src/main/java/org/thoughtcrime/securesms/components/ConversationScrollToView.java

@@ -0,0 +1,59 @@
+package org.thoughtcrime.securesms.components;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import org.thoughtcrime.securesms.R;
+
+public final class ConversationScrollToView extends FrameLayout {
+
+  private final TextView  unreadCount;
+  private final ImageView scrollButton;
+
+  public ConversationScrollToView(@NonNull Context context) {
+    this(context, null);
+  }
+
+  public ConversationScrollToView(@NonNull Context context, @Nullable AttributeSet attrs) {
+    this(context, attrs, 0);
+  }
+
+  public ConversationScrollToView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+    super(context, attrs, defStyleAttr);
+
+    inflate(context, R.layout.conversation_scroll_to, this);
+
+    unreadCount  = findViewById(R.id.conversation_scroll_to_count);
+    scrollButton = findViewById(R.id.conversation_scroll_to_button);
+
+    if (attrs != null) {
+      TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.ConversationScrollToView);
+      int        srcId = array.getResourceId(R.styleable.ConversationScrollToView_cstv_scroll_button_src, 0);
+
+      scrollButton.setImageResource(srcId);
+
+      array.recycle();
+    }
+  }
+
+  @Override
+  public void setOnClickListener(@Nullable OnClickListener l) {
+    scrollButton.setOnClickListener(l);
+  }
+
+  public void setUnreadCount(int unreadCount) {
+    this.unreadCount.setText(formatUnreadCount(unreadCount));
+    this.unreadCount.setVisibility(unreadCount > 0 ? VISIBLE : GONE);
+  }
+
+  private @NonNull CharSequence formatUnreadCount(int unreadCount) {
+    return unreadCount > 999 ? "999+" : String.valueOf(unreadCount);
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/FromTextView.java

@@ -42,7 +42,7 @@ public class FromTextView extends EmojiTextView {
   }
 
   public void setText(Recipient recipient, boolean read, @Nullable String suffix) {
-    String fromString = recipient.toShortString(getContext());
+    String fromString = recipient.getDisplayName(getContext());
 
     int typeface;
 
@@ -61,19 +61,6 @@ public class FromTextView extends EmojiTextView {
 
     if (recipient.isLocalNumber()) {
       builder.append(getContext().getString(R.string.note_to_self));
-    } else if (!FeatureFlags.profileDisplay() && recipient.getName(getContext()) == null && !recipient.getProfileName().isEmpty()) {
-      SpannableString profileName = new SpannableString(" (~" + recipient.getProfileName().toString() + ") ");
-      profileName.setSpan(new CenterAlignedRelativeSizeSpan(0.75f), 0, profileName.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-      profileName.setSpan(new TypefaceSpan("sans-serif-light"), 0, profileName.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-      profileName.setSpan(new ForegroundColorSpan(ResUtil.getColor(getContext(), R.attr.conversation_list_item_subject_color)), 0, profileName.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-
-      if (ViewCompat.getLayoutDirection(this) == ViewCompat.LAYOUT_DIRECTION_RTL){
-        builder.append(profileName);
-        builder.append(fromSpan);
-      } else {
-        builder.append(fromSpan);
-        builder.append(profileName);
-      }
     } else {
       builder.append(fromSpan);
     }

app/src/main/java/org/thoughtcrime/securesms/components/FullScreenDialogFragment.java

@@ -0,0 +1,51 @@
+package org.thoughtcrime.securesms.components;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.LayoutRes;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import androidx.appcompat.widget.Toolbar;
+import androidx.fragment.app.DialogFragment;
+
+import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.util.ThemeUtil;
+
+/**
+ * Base dialog fragment for rendering as a full screen dialog with animation
+ * transitions.
+ */
+public abstract class FullScreenDialogFragment extends DialogFragment {
+
+  protected Toolbar toolbar;
+
+  @Override
+  public void onCreate(@Nullable Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    
+    setStyle(STYLE_NO_FRAME, ThemeUtil.isDarkTheme(requireActivity()) ? R.style.TextSecure_DarkTheme_FullScreenDialog
+                                                                      : R.style.TextSecure_LightTheme_FullScreenDialog);
+  }
+
+  @Override
+  public @NonNull View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+    View view = inflater.inflate(R.layout.full_screen_dialog_fragment, container, false);
+    inflater.inflate(getDialogLayoutResource(), view.findViewById(R.id.full_screen_dialog_content), true);
+    toolbar = view.findViewById(R.id.full_screen_dialog_toolbar);
+    toolbar.setTitle(getTitle());
+    toolbar.setNavigationOnClickListener(v -> onNavigateUp());
+    return view;
+  }
+
+  protected void onNavigateUp() {
+    dismissAllowingStateLoss();
+  }
+
+  protected abstract @StringRes int getTitle();
+
+  protected abstract @LayoutRes int getDialogLayoutResource();
+}

app/src/main/java/org/thoughtcrime/securesms/components/InputPanel.java

@@ -2,10 +2,8 @@ package org.thoughtcrime.securesms.components;
 
 import android.animation.Animator;
 import android.animation.ValueAnimator;
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.net.Uri;
-import android.os.Build;
 import android.text.format.DateUtils;
 import android.util.AttributeSet;
 import android.view.KeyEvent;
@@ -36,6 +34,7 @@ import org.thoughtcrime.securesms.components.emoji.MediaKeyboard;
 import org.thoughtcrime.securesms.conversation.ConversationStickerSuggestionAdapter;
 import org.thoughtcrime.securesms.database.model.StickerRecord;
 import org.thoughtcrime.securesms.linkpreview.LinkPreview;
+import org.thoughtcrime.securesms.linkpreview.LinkPreviewRepository;
 import org.thoughtcrime.securesms.logging.Log;
 import org.thoughtcrime.securesms.mms.GlideApp;
 import org.thoughtcrime.securesms.mms.GlideRequests;
@@ -94,7 +93,6 @@ public class InputPanel extends LinearLayout
     super(context, attrs);
   }
 
-  @TargetApi(Build.VERSION_CODES.HONEYCOMB)
   public InputPanel(Context context, AttributeSet attrs, int defStyleAttr) {
     super(context, attrs, defStyleAttr);
   }
@@ -160,7 +158,7 @@ public class InputPanel extends LinearLayout
   public void setQuote(@NonNull GlideRequests glideRequests,
                        long id,
                        @NonNull Recipient author,
-                       @NonNull String body,
+                       @NonNull CharSequence body,
                        @NonNull SlideDeck attachments)
   {
     this.quoteView.setQuote(glideRequests, id, author, body, false, attachments);
@@ -228,7 +226,7 @@ public class InputPanel extends LinearLayout
 
   public Optional<QuoteModel> getQuote() {
     if (quoteView.getQuoteId() > 0 && quoteView.getVisibility() == View.VISIBLE) {
-      return Optional.of(new QuoteModel(quoteView.getQuoteId(), quoteView.getAuthor().getId(), quoteView.getBody(), false, quoteView.getAttachments()));
+      return Optional.of(new QuoteModel(quoteView.getQuoteId(), quoteView.getAuthor().getId(), quoteView.getBody().toString(), false, quoteView.getAttachments(), quoteView.getMentions()));
     } else {
       return Optional.absent();
     }
@@ -239,6 +237,11 @@ public class InputPanel extends LinearLayout
     this.linkPreview.setLoading();
   }
 
+  public void setLinkPreviewNoPreview(@Nullable LinkPreviewRepository.Error customError) {
+    this.linkPreview.setVisibility(View.VISIBLE);
+    this.linkPreview.setNoPreview(customError);
+  }
+
   public void setLinkPreview(@NonNull GlideRequests glideRequests, @NonNull Optional<LinkPreview> preview) {
     if (preview.isPresent()) {
       this.linkPreview.setVisibility(View.VISIBLE);

app/src/main/java/org/thoughtcrime/securesms/components/LinkPreviewView.java

@@ -4,23 +4,34 @@ import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Color;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.linkpreview.LinkPreview;
+import org.thoughtcrime.securesms.linkpreview.LinkPreviewRepository;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.mms.ImageSlide;
 import org.thoughtcrime.securesms.mms.SlidesClickedListener;
 import org.thoughtcrime.securesms.util.ThemeUtil;
+import org.thoughtcrime.securesms.util.Util;
+
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Locale;
 
 import okhttp3.HttpUrl;
 
+/**
+ * The view shown in the compose box or conversation that represents the state of the link preview.
+ */
 public class LinkPreviewView extends FrameLayout {
 
   private static final int TYPE_CONVERSATION = 0;
@@ -29,10 +40,12 @@ public class LinkPreviewView extends FrameLayout {
   private ViewGroup             container;
   private OutlinedThumbnailView thumbnail;
   private TextView              title;
+  private TextView              description;
   private TextView              site;
   private View                  divider;
   private View                  closeButton;
   private View                  spinner;
+  private TextView              noPreview;
 
   private int                  type;
   private int                  defaultRadius;
@@ -56,10 +69,12 @@ public class LinkPreviewView extends FrameLayout {
     container     = findViewById(R.id.linkpreview_container);
     thumbnail     = findViewById(R.id.linkpreview_thumbnail);
     title         = findViewById(R.id.linkpreview_title);
+    description   = findViewById(R.id.linkpreview_description);
     site          = findViewById(R.id.linkpreview_site);
     divider       = findViewById(R.id.linkpreview_divider);
     spinner       = findViewById(R.id.linkpreview_progress_wheel);
     closeButton   = findViewById(R.id.linkpreview_close);
+    noPreview     = findViewById(R.id.linkpreview_no_preview);
     defaultRadius = getResources().getDimensionPixelSize(R.dimen.thumbnail_default_radius);
     cornerMask    = new CornerMask(this);
     outliner      = new Outliner();
@@ -77,6 +92,8 @@ public class LinkPreviewView extends FrameLayout {
       container.setPadding(0, 0, 0, 0);
       divider.setVisibility(VISIBLE);
       closeButton.setVisibility(VISIBLE);
+      title.setMaxLines(2);
+      description.setMaxLines(2);
 
       closeButton.setOnClickListener(v -> {
         if (closeClickedListener != null) {
@@ -100,21 +117,59 @@ public class LinkPreviewView extends FrameLayout {
   public void setLoading() {
     title.setVisibility(GONE);
     site.setVisibility(GONE);
+    description.setVisibility(GONE);
     thumbnail.setVisibility(GONE);
     spinner.setVisibility(VISIBLE);
+    noPreview.setVisibility(INVISIBLE);
+  }
+
+  public void setNoPreview(@Nullable LinkPreviewRepository.Error customError) {
+    title.setVisibility(GONE);
+    site.setVisibility(GONE);
+    thumbnail.setVisibility(GONE);
+    spinner.setVisibility(GONE);
+    noPreview.setVisibility(VISIBLE);
+    noPreview.setText(getLinkPreviewErrorString(customError));
   }
 
   public void setLinkPreview(@NonNull GlideRequests glideRequests, @NonNull LinkPreview linkPreview, boolean showThumbnail) {
-    title.setVisibility(VISIBLE);
-    site.setVisibility(VISIBLE);
-    thumbnail.setVisibility(VISIBLE);
     spinner.setVisibility(GONE);
+    noPreview.setVisibility(GONE);
 
-    title.setText(linkPreview.getTitle());
+    if (!Util.isEmpty(linkPreview.getTitle())) {
+      title.setText(linkPreview.getTitle());
+      title.setVisibility(VISIBLE);
+    } else {
+      title.setVisibility(GONE);
+    }
 
-    HttpUrl url = HttpUrl.parse(linkPreview.getUrl());
-    if (url != null) {
-      site.setText(url.topPrivateDomain());
+    if (!Util.isEmpty(linkPreview.getDescription())) {
+      description.setText(linkPreview.getDescription());
+      description.setVisibility(VISIBLE);
+    } else {
+      description.setVisibility(GONE);
+    }
+
+    String domain = null;
+
+    if (!Util.isEmpty(linkPreview.getUrl())) {
+      HttpUrl url = HttpUrl.parse(linkPreview.getUrl());
+      if (url != null) {
+        domain = url.topPrivateDomain();
+      }
+    }
+
+    if (domain != null && linkPreview.getDate() > 0) {
+      site.setText(getContext().getString(R.string.LinkPreviewView_domain_date, domain, formatDate(linkPreview.getDate())));
+      site.setVisibility(VISIBLE);
+    } else if (domain != null) {
+      site.setText(domain);
+      site.setVisibility(VISIBLE);
+    } else if (linkPreview.getDate() > 0) {
+      site.setText(formatDate(linkPreview.getDate()));
+      site.setVisibility(VISIBLE);
+    } else {
+      site.setVisibility(GONE);
     }
 
     if (showThumbnail && linkPreview.getThumbnail().isPresent()) {
@@ -141,6 +196,16 @@ public class LinkPreviewView extends FrameLayout {
     thumbnail.setDownloadClickListener(listener);
   }
 
+  private  @StringRes static int getLinkPreviewErrorString(@Nullable LinkPreviewRepository.Error customError) {
+    return customError == LinkPreviewRepository.Error.GROUP_LINK_INACTIVE ? R.string.LinkPreviewView_this_group_link_is_not_active
+                                                                          : R.string.LinkPreviewView_no_link_preview_available;
+  }
+
+  private static String formatDate(long date) {
+    DateFormat dateFormat = new SimpleDateFormat("MMM dd, yyyy", Locale.getDefault());
+    return dateFormat.format(date);
+  }
+
   public interface CloseClickedListener {
     void onCloseClicked();
   }