Bump version to 5.23.4

Co-authored-by: Greyson Parrelli <greyson@signal.org>

.github/workflows/android.yml

@@ -24,8 +24,8 @@ jobs:
     - name: Validate Gradle Wrapper
       uses: gradle/wrapper-validation-action@v1
 
-    - name: Remove Android S
-      run: $ANDROID_HOME/tools/bin/sdkmanager --uninstall "platforms;android-S"
+    - name: Remove Android 31 (S)
+      run: $ANDROID_HOME/tools/bin/sdkmanager --uninstall "platforms;android-31"
 
     - name: Build with Gradle
       run: ./gradlew qa

.idea/codeStyles/Project.xml

@@ -8,6 +8,38 @@
       <option name="DO_NOT_WRAP_AFTER_SINGLE_ANNOTATION" value="true" />
       <option name="ALIGN_MULTILINE_ANNOTATION_PARAMETERS" value="true" />
       <option name="ALIGN_MULTILINE_TEXT_BLOCKS" value="true" />
+      <option name="IMPORT_LAYOUT_TABLE">
+        <value>
+          <package name="android" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="androidx" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="com" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="junit" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="net" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="org" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="java" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="javax" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="android" withSubpackages="true" static="true" />
+          <package name="androidx" withSubpackages="true" static="true" />
+          <package name="com" withSubpackages="true" static="true" />
+          <package name="junit" withSubpackages="true" static="true" />
+          <package name="net" withSubpackages="true" static="true" />
+          <package name="org" withSubpackages="true" static="true" />
+          <package name="java" withSubpackages="true" static="true" />
+          <package name="javax" withSubpackages="true" static="true" />
+          <package name="" withSubpackages="true" static="true" />
+          <emptyLine />
+        </value>
+      </option>
     </JavaCodeStyleSettings>
     <JetCodeStyleSettings>
       <option name="PACKAGES_TO_USE_STAR_IMPORTS">

README.md

@@ -4,7 +4,7 @@ Signal is a messaging app for simple private communication with friends.
 
 Signal uses your phone's data connection (WiFi/3G/4G) to communicate securely, optionally supports plain SMS/MMS to function as a unified messenger, and can also encrypt the stored messages on your phone.
 
-Currently available on the Play store.
+Currently available on the Play store and [signal.org](https://signal.org/android/apk/).
 
 <a href='https://play.google.com/store/apps/details?id=org.thoughtcrime.securesms&pcampaignid=MKT-Other-global-all-co-prtnr-py-PartBadge-Mar2515-1'><img alt='Get it on Google Play' src='https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png' height='80px'/></a>
 
@@ -59,8 +59,8 @@ The form and manner of this distribution makes it eligible for export under the
 
 ## License
 
-Copyright 2013-2020 Signal
+Copyright 2013-2021 Signal
 
 Licensed under the GPLv3: http://www.gnu.org/licenses/gpl-3.0.html
 
-Google Play and the Google Play logo are trademarks of Google Inc.
+Google Play and the Google Play logo are trademarks of Google LLC.

app/build.gradle

@@ -1,7 +1,3 @@
-import org.signal.signing.ApkSignerUtil
-
-import java.security.MessageDigest
-
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
@@ -27,6 +23,12 @@ repositories {
             includeGroupByRegex "com\\.github\\.dmytrodanylyk\\.circular-progress-button\\.*"
         }
     }
+    maven {
+        url "https://raw.github.com/signalapp/maven/master/sqlcipher/release/"
+        content {
+            includeGroupByRegex "org\\.signal.*"
+        }
+    }
     maven { // textdrawable
         url 'https://dl.bintray.com/amulyakhare/maven'
         content {
@@ -35,11 +37,23 @@ repositories {
     }
     google()
     mavenCentral()
-    jcenter()
     mavenLocal()
     maven {
         url "https://dl.cloudsmith.io/qxAgwaeEE1vN8aLU/mobilecoin/mobilecoin/maven/"
     }
+    jcenter {
+        content {
+            includeVersion "com.google.android.exoplayer", "exoplayer-core", "2.9.1"
+            includeVersion "com.google.android.exoplayer", "exoplayer-ui", "2.9.1"
+            includeVersion "com.google.android.exoplayer", "extension-mediasession", "2.9.1"
+            includeVersion "mobi.upod", "time-duration-picker", "1.1.3"
+            includeVersion "cn.carbswang.android", "NumberPickerView", "1.0.9"
+            includeVersion "com.takisoft.fix", "colorpicker", "0.9.1"
+            includeVersion "com.codewaves.stickyheadergrid", "stickyheadergrid", "0.9.4"
+            includeVersion "com.amulyakhare", "com.amulyakhare.textdrawable", "1.0.1"
+            includeVersion "com.google.android", "flexbox", "0.3.0"
+        }
+    }
 }
 
 protobuf {
@@ -57,8 +71,8 @@ protobuf {
     }
 }
 
-def canonicalVersionCode = 879
-def canonicalVersionName = "5.17.1"
+def canonicalVersionCode = 916
+def canonicalVersionName = "5.23.4"
 
 def postFixSize = 100
 def abiPostFix = ['universal'   : 0,
@@ -69,6 +83,31 @@ def abiPostFix = ['universal'   : 0,
 
 def keystores = [ 'debug'  : loadKeystoreProperties('keystore.debug.properties') ]
 
+def selectableVariants = [
+        'internalProdFlipper',
+        'internalProdPerf',
+        'internalProdRelease',
+        'internalStagingFlipper',
+        'internalStagingPerf',
+        'internalStagingRelease',
+        'nightlyProdFlipper',
+        'nightlyProdPerf',
+        'nightlyProdRelease',
+        'nightlyStagingPerf',
+        'playProdDebug',
+        'playProdFlipper',
+        'playProdPerf',
+        'playProdRelease',
+        'playStagingDebug',
+        'playStagingFlipper',
+        'playStagingPerf',
+        'playStagingRelease',
+        'studyProdMock',
+        'studyProdPerf',
+        'websiteProdFlipper',
+        'websiteProdRelease',
+]
+
 android {
     buildToolsVersion BUILD_TOOL_VERSION
     compileSdkVersion COMPILE_SDK
@@ -133,7 +172,7 @@ android {
         buildConfigField "String[]", "LANGUAGES", "new String[]{\"" + autoResConfig().collect { s -> s.replace('-r', '_') }.join('", "') + '"}'
         buildConfigField "int", "CANONICAL_VERSION_CODE", "$canonicalVersionCode"
         buildConfigField "String", "DEFAULT_CURRENCIES", "\"EUR,AUD,GBP,CAD,CNY\""
-        buildConfigField "int[]", "MOBILE_COIN_REGIONS", "new int[]{44}"
+        buildConfigField "int[]", "MOBILE_COIN_REGIONS", "new int[]{44,49,33,41}"
         buildConfigField "String", "GIPHY_API_KEY", "\"3o6ZsYH6U6Eri53TXy\""
         buildConfigField "String", "RECAPTCHA_PROOF_URL", "\"https://signalcaptchas.org/challenge/generate.html\""
 
@@ -268,7 +307,7 @@ android {
             ext.websiteUpdateUrl = "null"
             buildConfigField "boolean", "PLAY_STORE_DISABLED", "false"
             buildConfigField "String", "NOPLAY_UPDATE_URL", "$ext.websiteUpdateUrl"
-            buildConfigField "String", "BUILD_DISTRIBUTION_TYPE", "\"internal\""
+            buildConfigField "String", "BUILD_DISTRIBUTION_TYPE", "\"nightly\""
         }
 
         study {
@@ -303,7 +342,7 @@ android {
             buildConfigField "String", "SIGNAL_KEY_BACKUP_URL", "\"https://api-staging.backup.signal.org\""
             buildConfigField "String", "CDS_MRENCLAVE", "\"c98e00a4e3ff977a56afefe7362a27e4961e4f19e211febfbb19b897e6b80b15\""
             buildConfigField "KbsEnclave", "KBS_ENCLAVE", "new KbsEnclave(\"823a3b2c037ff0cbe305cc48928cfcc97c9ed4a8ca6d49af6f7d6981fb60a4e9\", " +
-                                                                         "\"51a56084c0b21c6b8f62b1bc792ec9bedac4c7c3964bb08ddcab868158c09982\", " +
+                                                                         "\"16b94ac6d2b7f7b9d72928f36d798dbb35ed32e7bb14c42b4301ad0344b46f29\", " +
                                                                          "\"a3baab19ef6ce6f34ab9ebb25ba722725ae44a8872dc0ff08ad6d83a9489de87\")"
             buildConfigField "KbsEnclave[]", "KBS_FALLBACKS", "new KbsEnclave[0]"
             buildConfigField "String", "UNIDENTIFIED_SENDER_TRUST_ROOT", "\"BbqY1DzohE4NUZoVF+L18oUPrK3kILllLEJh2UnPSsEx\""
@@ -339,16 +378,9 @@ android {
         def distribution = variant.getFlavors().get(0).name
         def environment  = variant.getFlavors().get(1).name
         def buildType    = variant.buildType.name
+        def fullName     = distribution + environment.capitalize() + buildType.capitalize()
 
-        if (distribution == 'study' && buildType != 'perf' && buildType != 'mock') {
-            variant.setIgnore(true)
-        } else if (distribution != 'study' && buildType == 'mock') {
-            variant.setIgnore(true)
-        } else if (distribution == 'internal' && buildType != 'flipper' && buildType != 'perf' && buildType != 'release') {
-            variant.setIgnore(true)
-        } else if (distribution == 'nightly' && environment != 'prod') {
-            variant.setIgnore(true)
-        } else if (distribution == 'nightly' && buildType != 'flipper' && buildType != 'perf' && buildType != 'release') {
+        if (!selectableVariants.contains(fullName)) {
             variant.setIgnore(true)
         }
     }
@@ -368,7 +400,7 @@ android {
 
 dependencies {
     implementation 'androidx.core:core-ktx:1.5.0'
-    implementation 'androidx.fragment:fragment-ktx:1.2.5'
+    implementation 'androidx.fragment:fragment-ktx:1.3.5'
     lintChecks project(':lintchecks')
 
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
@@ -376,6 +408,7 @@ dependencies {
     implementation ('androidx.appcompat:appcompat:1.2.0') {
         force = true
     }
+    implementation "androidx.window:window:1.0.0-alpha09"
     implementation 'androidx.recyclerview:recyclerview:1.1.0'
     implementation 'com.google.android.material:material:1.3.0'
     implementation 'androidx.legacy:legacy-support-v13:1.0.0'
@@ -386,11 +419,12 @@ dependencies {
     implementation 'androidx.exifinterface:exifinterface:1.0.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation 'androidx.multidex:multidex:2.0.1'
-    implementation 'androidx.navigation:navigation-fragment:2.1.0'
-    implementation 'androidx.navigation:navigation-ui:2.1.0'
-    implementation 'androidx.lifecycle:lifecycle-extensions:2.1.0'
-    implementation 'androidx.lifecycle:lifecycle-viewmodel-savedstate:1.0.0-alpha05'
-    implementation 'androidx.lifecycle:lifecycle-common-java8:2.1.0'
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.3.5'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.3.5'
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-savedstate:2.3.1'
+    implementation 'androidx.lifecycle:lifecycle-common-java8:2.3.1'
+    implementation 'androidx.lifecycle:lifecycle-reactivestreams-ktx:2.3.1'
     implementation "androidx.camera:camera-core:1.0.0-beta11"
     implementation "androidx.camera:camera-camera2:1.0.0-beta11"
     implementation "androidx.camera:camera-lifecycle:1.0.0-beta11"
@@ -409,9 +443,9 @@ dependencies {
     implementation 'com.google.android.gms:play-services-maps:16.1.0'
     implementation 'com.google.android.gms:play-services-auth:16.0.1'
 
-    implementation 'com.google.android.exoplayer:exoplayer-core:2.9.1'
-    implementation 'com.google.android.exoplayer:exoplayer-ui:2.9.1'
-    implementation 'com.google.android.exoplayer:extension-mediasession:2.9.1'
+    implementation 'com.google.android.exoplayer:exoplayer-core:2.15.0'
+    implementation 'com.google.android.exoplayer:exoplayer-ui:2.15.0'
+    implementation 'com.google.android.exoplayer:extension-mediasession:2.15.0'
 
     implementation 'org.conscrypt:conscrypt-android:2.0.0'
     implementation 'org.signal:aesgcmprovider:0.0.3'
@@ -423,7 +457,7 @@ dependencies {
     implementation project(':device-transfer')
 
     implementation 'org.signal:zkgroup-android:0.7.0'
-    implementation 'org.whispersystems:signal-client-android:0.8.3'
+    implementation "org.whispersystems:signal-client-android:${LIBSIGNAL_CLIENT_VERSION}"
     implementation 'com.google.protobuf:protobuf-javalite:3.10.0'
 
     implementation('com.mobilecoin:android-sdk:1.1.0') {
@@ -432,7 +466,7 @@ dependencies {
 
     implementation 'org.signal:argon2:13.1@aar'
 
-    implementation 'org.signal:ringrtc-android:2.10.6'
+    implementation 'org.signal:ringrtc-android:2.11.1'
 
     implementation "me.leolin:ShortcutBadger:1.1.22"
     implementation 'se.emilsjolander:stickylistheaders:2.7.0'
@@ -475,7 +509,7 @@ dependencies {
     implementation 'com.codewaves.stickyheadergrid:stickyheadergrid:0.9.4'
     implementation 'com.github.dmytrodanylyk.circular-progress-button:library:1.1.3-S2'
 
-    implementation "net.zetetic:android-database-sqlcipher:4.4.3"
+    implementation 'org.signal:android-database-sqlcipher:4.4.3-S3'
     implementation "androidx.sqlite:sqlite:2.1.0"
 
     implementation ('com.googlecode.ez-vcard:ez-vcard:0.9.11') {
@@ -518,67 +552,6 @@ dependencyVerification {
     configuration = '(play|website)(Prod|Staging)(Debug|Release)RuntimeClasspath'
 }
 
-def assembleWebsiteDescriptor = { variant, file ->
-    if (file.exists()) {
-        MessageDigest md = MessageDigest.getInstance("SHA-256");
-        file.eachByte 4096, {bytes, size ->
-            md.update(bytes, 0, size);
-        }
-
-        String digest  = md.digest().collect {String.format "%02x", it}.join();
-        String url     = variant.productFlavors.get(0).ext.websiteUpdateUrl
-        String apkName = file.getName()
-
-        String descriptor = "{" +
-                "\"versionCode\" : ${canonicalVersionCode * postFixSize + abiPostFix['universal']}," +
-                "\"versionName\" : \"$canonicalVersionName\"," +
-                "\"sha256sum\" : \"$digest\"," +
-                "\"url\" : \"$url/$apkName\"" +
-                "}"
-
-        File descriptorFile = new File(file.getParent(), apkName.replace(".apk", ".json"))
-
-        descriptorFile.write(descriptor)
-    }
-}
-
-def signProductionRelease = { variant ->
-    variant.outputs.collect { output ->
-        String apkName    = output.outputFile.name
-        File   inputFile  = new File(output.outputFile.path)
-        File   outputFile = new File(output.outputFile.parent, apkName.replace('-unsigned', ''))
-
-        new ApkSignerUtil('sun.security.pkcs11.SunPKCS11',
-                          'pkcs11.config',
-                          'PKCS11',
-                          'file:pkcs11.password').calculateSignature(inputFile.getAbsolutePath(),
-                                                                     outputFile.getAbsolutePath())
-
-        inputFile.delete()
-        outputFile
-    }
-}
-
-task signProductionPlayRelease {
-    doLast {
-        signProductionRelease(android.applicationVariants.find { (it.name == 'playProdRelease') })
-    }
-}
-
-task signProductionInternalRelease {
-    doLast {
-        signProductionRelease(android.applicationVariants.find { (it.name == 'internalProdRelease') })
-    }
-}
-
-task signProductionWebsiteRelease {
-    doLast {
-        def  variant       = android.applicationVariants.find { (it.name == 'websiteProdRelease') }
-        File signedRelease = signProductionRelease(variant).find { it.name.contains('universal') }
-        assembleWebsiteDescriptor(variant, signedRelease)
-    }
-}
-
 def getLastCommitTimestamp() {
     if (!(new File('.git').exists())) {
         return System.currentTimeMillis().toString()

app/proguard/proguard-sqlite.pro

@@ -2,4 +2,7 @@
 -keep class org.sqlite.database.** { *; }
 
 -keep class net.sqlcipher.** { *; }
--dontwarn net.sqlcipher.**
+-dontwarn net.sqlcipher.**
+
+-keep class net.zetetic.** { *; }
+-dontwarn net.zetetic.**

app/proguard/proguard.cfg

@@ -9,3 +9,5 @@
 
 # Protobuf lite
 -keep class * extends com.google.protobuf.GeneratedMessageLite { *; }
+
+-keep class androidx.window.** { *; }

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

@@ -11,9 +11,9 @@ import androidx.annotation.Nullable;
 import com.facebook.flipper.plugins.databases.DatabaseDescriptor;
 import com.facebook.flipper.plugins.databases.DatabaseDriver;
 
-import net.sqlcipher.DatabaseUtils;
-import net.sqlcipher.database.SQLiteDatabase;
-import net.sqlcipher.database.SQLiteStatement;
+import net.zetetic.database.DatabaseUtils;
+import net.zetetic.database.sqlcipher.SQLiteDatabase;
+import net.zetetic.database.sqlcipher.SQLiteStatement;
 
 import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.database.helpers.SQLCipherOpenHelper;
@@ -50,11 +50,13 @@ public class FlipperSqlCipherAdapter extends DatabaseDriver<FlipperSqlCipherAdap
       SignalDatabase keyValueOpenHelper   = KeyValueDatabase.getInstance((Application) getContext());
       SignalDatabase megaphoneOpenHelper  = MegaphoneDatabase.getInstance((Application) getContext());
       SignalDatabase jobManagerOpenHelper = JobDatabase.getInstance((Application) getContext());
+      SignalDatabase metricsOpenHelper    = LocalMetricsDatabase.getInstance((Application) getContext());
 
       return Arrays.asList(new Descriptor(mainOpenHelper),
                            new Descriptor(keyValueOpenHelper),
                            new Descriptor(megaphoneOpenHelper),
-                           new Descriptor(jobManagerOpenHelper));
+                           new Descriptor(jobManagerOpenHelper),
+                           new Descriptor(metricsOpenHelper));
     } catch (Exception e) {
       Log.i(TAG, "Unable to use reflection to access raw database.", e);
     }

app/src/main/AndroidManifest.xml

@@ -96,6 +96,7 @@
                  android:label="@string/app_name"
                  android:supportsRtl="true"
                  tools:replace="android:allowBackup"
+                 android:resizeableActivity="true"
                  android:allowBackup="false"
                  android:theme="@style/TextSecure.LightTheme"
                  android:largeHeap="true">
@@ -104,6 +105,9 @@
             android:name="com.google.android.geo.API_KEY"
             android:value="AIzaSyCSx9xea86GwDKGznCAULE9Y5a8b-TfN9U"/>
 
+    <meta-data android:name="android.supports_size_changes"
+               android:value="true" />
+
     <meta-data android:name="com.google.android.gms.version"
                android:value="@integer/google_play_services_version" />
 
@@ -117,16 +121,15 @@
     <activity android:name=".WebRtcCallActivity"
               android:theme="@style/TextSecure.DarkTheme.WebRTCCall"
               android:excludeFromRecents="true"
-              android:screenOrientation="portrait"
               android:supportsPictureInPicture="true"
               android:windowSoftInputMode="stateAlwaysHidden"
               android:configChanges="screenSize|smallestScreenSize|screenLayout|orientation"
               android:taskAffinity=".calling"
+              android:resizeableActivity="true"
               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"/>
 
@@ -240,6 +243,9 @@
         <meta-data android:name="com.sec.minimode.icon.landscape.normal"
                    android:resource="@mipmap/ic_launcher" />
 
+        <meta-data android:name="android.app.shortcuts"
+                   android:resource="@xml/shortcuts" />
+
     </activity-alias>
 
     <activity android:name=".deeplinks.DeepLinkEntryActivity"
@@ -272,6 +278,16 @@
             <data android:scheme="sgnl"
                   android:host="signal.tube" />
         </intent-filter>
+
+        <intent-filter>
+            <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.me" />
+            <data android:scheme="sgnl"
+                android:host="signal.me" />
+        </intent-filter>
     </activity>
 
     <activity android:name=".conversation.ConversationActivity"
@@ -302,7 +318,8 @@
     <activity android:name=".messagedetails.MessageDetailsActivity"
               android:windowSoftInputMode="stateHidden"
               android:launchMode="singleTask"
-              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"
+              android:theme="@style/Signal.DayNight.NoActionBar" />
 
     <activity android:name=".groups.ui.invitesandrequests.ManagePendingAndRequestingMembersActivity"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize|uiMode"
@@ -350,17 +367,18 @@
               android:windowSoftInputMode="stateHidden"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
-    <activity android:name=".mediasend.MediaSendActivity"
-              android:theme="@style/TextSecure.FullScreenMedia"
-              android:windowSoftInputMode="stateHidden"
-              android:launchMode="singleTop"
-              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+        <activity android:name=".mediasend.v2.MediaSelectionActivity"
+            android:theme="@style/TextSecure.FullScreenMedia"
+            android:windowSoftInputMode="stateAlwaysHidden|adjustNothing"
+            android:launchMode="singleTop"
+            android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".PassphraseChangeActivity"
               android:label="@string/AndroidManifest__change_passphrase"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".VerifyIdentityActivity"
+              android:theme="@style/Signal.DayNight.NoActionBar"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".components.settings.app.AppSettingsActivity"
@@ -373,6 +391,10 @@
         </intent-filter>
     </activity>
 
+        <activity android:name=".components.settings.app.changenumber.ChangeNumberLockActivity"
+            android:theme="@style/Signal.DayNight.NoActionBar"
+            android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
         <activity android:name=".components.settings.conversation.ConversationSettingsActivity"
             android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"
             android:theme="@style/Signal.DayNight.ConversationSettings"
@@ -478,6 +500,7 @@
 
     <activity android:name="org.thoughtcrime.securesms.webrtc.VoiceCallShare"
               android:excludeFromRecents="true"
+              android:permission="android.permission.CALL_PHONE"
               android:theme="@style/NoAnimation.Theme.BlackScreen"
               android:launchMode="singleTask"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize">

app/src/main/java/androidx/camera/view/SignalCameraView.java

@@ -60,6 +60,7 @@ import androidx.camera.core.impl.LensFacingConverter;
 import androidx.camera.core.impl.utils.executor.CameraXExecutors;
 import androidx.camera.core.impl.utils.futures.FutureCallback;
 import androidx.camera.core.impl.utils.futures.Futures;
+import androidx.core.util.Consumer;
 import androidx.lifecycle.LifecycleOwner;
 import androidx.lifecycle.LiveData;
 
@@ -130,6 +131,11 @@ public final class SignalCameraView extends FrameLayout {
   // For accessibility event
   private MotionEvent mUpEvent;
 
+  // BEGIN Custom Signal Code Block
+  private Consumer<Throwable> errorConsumer;
+  private Throwable           pendingError;
+  // END Custom Signal Code Block
+
   public SignalCameraView(@NonNull Context context) {
     this(context, null);
   }
@@ -167,14 +173,32 @@ public final class SignalCameraView extends FrameLayout {
    *                                  androidx.lifecycle.Lifecycle.State#DESTROYED} state.
    * @throws IllegalStateException    if camera permissions are not granted.
    */
+  // BEGIN Custom Signal Code Block
+
   @RequiresPermission(permission.CAMERA)
-  public void bindToLifecycle(@NonNull LifecycleOwner lifecycleOwner) {
+  public void bindToLifecycle(@NonNull LifecycleOwner lifecycleOwner, Consumer<Throwable> errorConsumer) {
     mCameraModule.bindToLifecycle(lifecycleOwner);
+    this.errorConsumer = errorConsumer;
+    if (pendingError != null) {
+      errorConsumer.accept(pendingError);
+    }
   }
+  // END Custom Signal Code Block
+
 
   private void init(Context context, @Nullable AttributeSet attrs) {
     addView(mPreviewView = new PreviewView(getContext()), 0 /* view position */);
-    mCameraModule = new SignalCameraXModule(this);
+
+    // Begin custom signal code block
+    mPreviewView.setImplementationMode(PreviewView.ImplementationMode.COMPATIBLE);
+    mCameraModule = new SignalCameraXModule(this, error -> {
+      if (errorConsumer != null) {
+        errorConsumer.accept(error);
+      } else {
+        pendingError = error;
+      }
+    });
+    // End custom signal code block
 
     if (attrs != null) {
       TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CameraView);

app/src/main/java/androidx/camera/view/SignalCameraXModule.java

@@ -46,6 +46,7 @@ import androidx.camera.core.impl.utils.executor.CameraXExecutors;
 import androidx.camera.core.impl.utils.futures.FutureCallback;
 import androidx.camera.core.impl.utils.futures.Futures;
 import androidx.camera.lifecycle.ProcessCameraProvider;
+import androidx.core.util.Consumer;
 import androidx.core.util.Preconditions;
 import androidx.lifecycle.Lifecycle;
 import androidx.lifecycle.LifecycleObserver;
@@ -123,7 +124,9 @@ final class SignalCameraXModule {
   @Nullable
   ProcessCameraProvider mCameraProvider;
 
-  SignalCameraXModule(SignalCameraView view) {
+  // BEGIN Custom Signal Code Block
+  SignalCameraXModule(SignalCameraView view, Consumer<Throwable> errorConsumer) {
+    // END Custom Signal Code Block
     mCameraView = view;
 
     Futures.addCallback(ProcessCameraProvider.getInstance(view.getContext()),
@@ -141,7 +144,9 @@ final class SignalCameraXModule {
 
           @Override
           public void onFailure(Throwable t) {
-            throw new RuntimeException("CameraX failed to initialize.", t);
+            // BEGIN Custom Signal Code Block
+            errorConsumer.accept(t);
+            // END Custom Signal Code Block
           }
         }, CameraXExecutors.mainThreadExecutor());
 
@@ -222,17 +227,10 @@ final class SignalCameraXModule {
     // End Signal Custom Code Block
 
     Rational targetAspectRatio;
-    if (getCaptureMode() == SignalCameraView.CaptureMode.IMAGE) {
-      // Begin Signal Custom Code Block
-      mImageCaptureBuilder.setTargetResolution(CameraXUtil.buildResolutionForRatio(resolution, ASPECT_RATIO_4_3, isDisplayPortrait));
-      // End Signal Custom Code Block
-      targetAspectRatio = isDisplayPortrait ? ASPECT_RATIO_3_4 : ASPECT_RATIO_4_3;
-    } else {
-      // Begin Signal Custom Code Block
-      mImageCaptureBuilder.setTargetResolution(CameraXUtil.buildResolutionForRatio(resolution, ASPECT_RATIO_16_9, isDisplayPortrait));
-      // End Signal Custom Code Block
-      targetAspectRatio = isDisplayPortrait ? ASPECT_RATIO_9_16 : ASPECT_RATIO_16_9;
-    }
+    // Begin Signal Custom Code Block
+    mImageCaptureBuilder.setTargetResolution(CameraXUtil.buildResolutionForRatio(resolution, ASPECT_RATIO_16_9, isDisplayPortrait));
+    targetAspectRatio = isDisplayPortrait ? ASPECT_RATIO_9_16 : ASPECT_RATIO_16_9;
+    // End Signal Custom Code Block
 
     // Begin Signal Custom Code Block
     mImageCaptureBuilder.setCaptureMode(CameraXUtil.getOptimalCaptureMode());

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

@@ -1,6 +1,5 @@
 package org.thoughtcrime.securesms;
 
-import org.thoughtcrime.securesms.util.FeatureFlags;
 import org.whispersystems.signalservice.api.account.AccountAttributes;
 
 public final class AppCapabilities {
@@ -8,15 +7,18 @@ public final class AppCapabilities {
   private AppCapabilities() {
   }
 
-  private static final boolean UUID_CAPABLE  = false;
-  private static final boolean GV2_CAPABLE   = true;
-  private static final boolean GV1_MIGRATION = true;
+  private static final boolean UUID_CAPABLE        = false;
+  private static final boolean GV2_CAPABLE         = true;
+  private static final boolean GV1_MIGRATION       = true;
+  private static final boolean ANNOUNCEMENT_GROUPS = true;
+  private static final boolean SENDER_KEY          = true;
+  private static final boolean CHANGE_NUMBER       = 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 AccountAttributes.Capabilities getCapabilities(boolean storageCapable) {
-    return new AccountAttributes.Capabilities(UUID_CAPABLE, GV2_CAPABLE, storageCapable, GV1_MIGRATION, FeatureFlags.senderKey());
+    return new AccountAttributes.Capabilities(UUID_CAPABLE, GV2_CAPABLE, storageCapable, GV1_MIGRATION, SENDER_KEY, ANNOUNCEMENT_GROUPS, CHANGE_NUMBER);
   }
 }

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

@@ -27,18 +27,17 @@ import androidx.multidex.MultiDexApplication;
 
 import com.google.android.gms.security.ProviderInstaller;
 
-import net.sqlcipher.database.SQLiteDatabase;
-
 import org.conscrypt.Conscrypt;
 import org.signal.aesgcmprovider.AesGcmProvider;
 import org.signal.core.util.concurrent.SignalExecutors;
 import org.signal.core.util.logging.AndroidLogger;
 import org.signal.core.util.logging.Log;
-import org.signal.core.util.logging.PersistentLogger;
 import org.signal.core.util.tracing.Tracer;
 import org.signal.glide.SignalGlideCodecs;
 import org.signal.ringrtc.CallManager;
+import org.thoughtcrime.securesms.avatar.AvatarPickerStorage;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
+import org.thoughtcrime.securesms.database.LogDatabase;
 import org.thoughtcrime.securesms.database.SqlCipherLibraryLoader;
 import org.thoughtcrime.securesms.database.helpers.SQLCipherOpenHelper;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
@@ -56,7 +55,7 @@ import org.thoughtcrime.securesms.jobs.RefreshPreKeysJob;
 import org.thoughtcrime.securesms.jobs.RetrieveProfileJob;
 import org.thoughtcrime.securesms.keyvalue.SignalStore;
 import org.thoughtcrime.securesms.logging.CustomSignalProtocolLogger;
-import org.thoughtcrime.securesms.logging.LogSecretProvider;
+import org.thoughtcrime.securesms.logging.PersistentLogger;
 import org.thoughtcrime.securesms.messageprocessingalarm.MessageProcessReceiver;
 import org.thoughtcrime.securesms.migrations.ApplicationMigrations;
 import org.thoughtcrime.securesms.notifications.NotificationChannels;
@@ -74,9 +73,9 @@ import org.thoughtcrime.securesms.service.UpdateApkRefreshListener;
 import org.thoughtcrime.securesms.storage.StorageSyncHelper;
 import org.thoughtcrime.securesms.util.AppForegroundObserver;
 import org.thoughtcrime.securesms.util.AppStartup;
-import org.thoughtcrime.securesms.util.ByteUnit;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.thoughtcrime.securesms.util.FeatureFlags;
+import org.thoughtcrime.securesms.util.SignalLocalMetrics;
 import org.thoughtcrime.securesms.util.SignalUncaughtExceptionHandler;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.Util;
@@ -114,6 +113,7 @@ public class ApplicationContext extends MultiDexApplication implements AppForegr
   public void onCreate() {
     Tracer.getInstance().start("Application#onCreate()");
     AppStartup.getInstance().onApplicationCreate();
+    SignalLocalMetrics.ColdStart.start();
 
     long startTime = System.currentTimeMillis();
 
@@ -124,12 +124,12 @@ public class ApplicationContext extends MultiDexApplication implements AppForegr
     super.onCreate();
 
     AppStartup.getInstance().addBlocking("security-provider", this::initializeSecurityProvider)
+                            .addBlocking("sqlcipher-init", () -> SqlCipherLibraryLoader.load(this))
                             .addBlocking("logging", () -> {
                               initializeLogging();
                               Log.i(TAG, "onCreate()");
                             })
                             .addBlocking("crash-handling", this::initializeCrashHandling)
-                            .addBlocking("sqlcipher-init", () -> SqlCipherLibraryLoader.load(this))
                             .addBlocking("rx-init", () -> {
                               RxJavaPlugins.setInitIoSchedulerHandler(schedulerSupplier -> Schedulers.from(SignalExecutors.BOUNDED_IO, true, false));
                               RxJavaPlugins.setInitComputationSchedulerHandler(schedulerSupplier -> Schedulers.from(SignalExecutors.BOUNDED, true, false));
@@ -156,6 +156,7 @@ public class ApplicationContext extends MultiDexApplication implements AppForegr
                             })
                             .addBlocking("blob-provider", this::initializeBlobProvider)
                             .addBlocking("feature-flags", FeatureFlags::init)
+                            .addNonBlocking(this::cleanAvatarStorage)
                             .addNonBlocking(this::initializeRevealableMessageManager)
                             .addNonBlocking(this::initializePendingRetryReceiptManager)
                             .addNonBlocking(this::initializeGcmCheck)
@@ -169,6 +170,7 @@ public class ApplicationContext extends MultiDexApplication implements AppForegr
                             .addNonBlocking(StorageSyncHelper::scheduleRoutineSync)
                             .addNonBlocking(() -> ApplicationDependencies.getJobManager().beginJobLoop())
                             .addNonBlocking(EmojiSource::refresh)
+                            .addNonBlocking(() -> ApplicationDependencies.getGiphyMp4Cache().onAppStart(this))
                             .addPostRender(() -> RateLimitUtil.retryAllRateLimitedMessages(this))
                             .addPostRender(this::initializeExpiringMessageManager)
                             .addPostRender(() -> SignalStore.settings().setDefaultSms(Util.isDefaultSmsProvider(this)))
@@ -178,6 +180,7 @@ public class ApplicationContext extends MultiDexApplication implements AppForegr
                             .execute();
 
     Log.d(TAG, "onCreate() took " + (System.currentTimeMillis() - startTime) + " ms");
+    SignalLocalMetrics.ColdStart.onApplicationCreateFinished();
     Tracer.getInstance().end("Application#onCreate()");
   }
 
@@ -248,10 +251,12 @@ public class ApplicationContext extends MultiDexApplication implements AppForegr
   }
 
   private void initializeLogging() {
-    persistentLogger = new PersistentLogger(this, LogSecretProvider.getOrCreateAttachmentSecret(this), BuildConfig.VERSION_NAME, FeatureFlags.internalUser() ? 15 : 7, ByteUnit.KILOBYTES.toBytes(300));
+    persistentLogger = new PersistentLogger(this);
     org.signal.core.util.logging.Log.initialize(FeatureFlags::internalUser, new AndroidLogger(), persistentLogger);
 
     SignalProtocolLoggerProvider.setProvider(new CustomSignalProtocolLogger());
+
+    SignalExecutors.UNBOUNDED.execute(() -> LogDatabase.getInstance(this).trimToSize());
   }
 
   private void initializeCrashHandling() {
@@ -379,6 +384,11 @@ public class ApplicationContext extends MultiDexApplication implements AppForegr
     BlobProvider.getInstance().initialize(this);
   }
 
+  @WorkerThread
+  private void cleanAvatarStorage() {
+    AvatarPickerStorage.cleanOrphans(this);
+  }
+
   @WorkerThread
   private void initializeCleanup() {
     int deleted = DatabaseFactory.getAttachmentDatabase(this).deleteAbandonedPreuploadedAttachments();

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

@@ -27,6 +27,7 @@ import com.bumptech.glide.request.target.Target;
 import com.bumptech.glide.request.transition.Transition;
 
 import org.signal.core.util.logging.Log;
+import org.thoughtcrime.securesms.components.emoji.EmojiTextView;
 import org.thoughtcrime.securesms.contacts.avatars.ContactPhoto;
 import org.thoughtcrime.securesms.contacts.avatars.FallbackContactPhoto;
 import org.thoughtcrime.securesms.contacts.avatars.ProfileContactPhoto;
@@ -71,12 +72,14 @@ public final class AvatarPreviewActivity extends PassphraseRequiredActivity {
       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);
+    Toolbar       toolbar = findViewById(R.id.toolbar);
+    EmojiTextView title   = findViewById(R.id.title);
+    ImageView     avatar  = findViewById(R.id.avatar);
 
     setSupportActionBar(toolbar);
 
     requireSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    requireSupportActionBar().setDisplayShowTitleEnabled(false);
 
     Context     context     = getApplicationContext();
     RecipientId recipientId = RecipientId.from(getIntent().getStringExtra(RECIPIENT_ID_EXTRA));
@@ -122,7 +125,7 @@ public final class AvatarPreviewActivity extends PassphraseRequiredActivity {
                 }
               });
 
-      toolbar.setTitle(recipient.getDisplayName(context));
+      title.setText(recipient.getDisplayName(context));
     });
 
     FullscreenHelper fullscreenHelper = new FullscreenHelper(this);

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

@@ -86,7 +86,8 @@ public abstract class BaseActivity extends AppCompatActivity {
     int           appCompatNightMode = getDelegate().getLocalNightMode() != AppCompatDelegate.MODE_NIGHT_UNSPECIFIED ? getDelegate().getLocalNightMode()
                                                                                                                      : AppCompatDelegate.getDefaultNightMode();
 
-    configuration.uiMode = (configuration.uiMode & ~Configuration.UI_MODE_NIGHT_MASK) | mapNightModeToConfigurationUiMode(newBase, appCompatNightMode);
+    configuration.uiMode      = (configuration.uiMode & ~Configuration.UI_MODE_NIGHT_MASK) | mapNightModeToConfigurationUiMode(newBase, appCompatNightMode);
+    configuration.orientation = Configuration.ORIENTATION_UNDEFINED;
 
     applyOverrideConfiguration(configuration);
   }

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

@@ -13,6 +13,8 @@ import org.thoughtcrime.securesms.contactshare.Contact;
 import org.thoughtcrime.securesms.conversation.ConversationMessage;
 import org.thoughtcrime.securesms.conversation.colors.Colorizable;
 import org.thoughtcrime.securesms.conversation.colors.Colorizer;
+import org.thoughtcrime.securesms.conversation.mutiselect.MultiselectPart;
+import org.thoughtcrime.securesms.conversation.mutiselect.Multiselectable;
 import org.thoughtcrime.securesms.database.model.InMemoryMessageRecord;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord;
@@ -24,31 +26,29 @@ import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientId;
 import org.thoughtcrime.securesms.stickers.StickerLocator;
-import org.thoughtcrime.securesms.video.exo.AttachmentMediaSourceFactory;
 import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.util.List;
 import java.util.Locale;
 import java.util.Set;
 
-public interface BindableConversationItem extends Unbindable, GiphyMp4Playable, Colorizable {
+public interface BindableConversationItem extends Unbindable, GiphyMp4Playable, Colorizable, Multiselectable {
   void bind(@NonNull LifecycleOwner lifecycleOwner,
             @NonNull ConversationMessage messageRecord,
             @NonNull Optional<MessageRecord> previousMessageRecord,
             @NonNull Optional<MessageRecord> nextMessageRecord,
             @NonNull GlideRequests glideRequests,
             @NonNull Locale locale,
-            @NonNull Set<ConversationMessage> batchSelected,
+            @NonNull Set<MultiselectPart> batchSelected,
             @NonNull Recipient recipients,
             @Nullable String searchQuery,
             boolean pulseMention,
             boolean hasWallpaper,
             boolean isMessageRequestAccepted,
-            @NonNull AttachmentMediaSourceFactory attachmentMediaSourceFactory,
             boolean canPlayInline,
             @NonNull Colorizer colorizer);
 
-  ConversationMessage getConversationMessage();
+  @NonNull ConversationMessage getConversationMessage();
 
   void setEventListener(@Nullable EventListener listener);
 
@@ -87,6 +87,7 @@ public interface BindableConversationItem extends Unbindable, GiphyMp4Playable,
     void onPlayInlineContent(ConversationMessage conversationMessage);
     void onInMemoryMessageClicked(@NonNull InMemoryMessageRecord messageRecord);
     void onViewGroupDescriptionChange(@Nullable GroupId groupId, @NonNull String description, boolean isMessageRequestAccepted);
+    void onChangeNumberUpdateContact(@NonNull Recipient recipient);
 
     /** @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/ContactSelectionActivity.java

@@ -36,6 +36,7 @@ import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.io.IOException;
 import java.lang.ref.WeakReference;
+import java.util.function.Consumer;
 
 /**
  * Base activity container for selecting a list of contacts.
@@ -122,8 +123,8 @@ public abstract class ContactSelectionActivity extends PassphraseRequiredActivit
   }
 
   @Override
-  public boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number) {
-    return true;
+  public void onBeforeContactSelected(Optional<RecipientId> recipientId, String number, Consumer<Boolean> callback) {
+    callback.accept(true);
   }
 
   @Override

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

@@ -26,6 +26,7 @@ import android.database.Cursor;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.text.TextUtils;
+import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -37,6 +38,7 @@ import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.annotation.Px;
 import androidx.appcompat.app.AlertDialog;
 import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.constraintlayout.widget.ConstraintSet;
@@ -53,6 +55,7 @@ import androidx.transition.TransitionManager;
 import com.annimon.stream.Collectors;
 import com.annimon.stream.Stream;
 import com.google.android.material.chip.ChipGroup;
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.pnikosis.materialishprogress.ProgressWheel;
 
 import org.signal.core.util.logging.Log;
@@ -88,6 +91,7 @@ import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
 import java.util.Set;
+import java.util.function.Consumer;
 
 /**
  * Fragment for selecting a one or more contacts from a list.
@@ -176,12 +180,16 @@ public final class ContactSelectionListFragment extends LoggingFragment
       onSelectionLimitReachedListener = (OnSelectionLimitReachedListener) context;
     }
 
+    if (getParentFragment() instanceof OnSelectionLimitReachedListener) {
+      onSelectionLimitReachedListener = (OnSelectionLimitReachedListener) getParentFragment();
+    }
+
     if (context instanceof AbstractContactsCursorLoaderFactoryProvider) {
       cursorFactoryProvider = (AbstractContactsCursorLoaderFactoryProvider) context;
     }
 
     if (getParentFragment() instanceof AbstractContactsCursorLoaderFactoryProvider) {
-      cursorFactoryProvider = (AbstractContactsCursorLoaderFactoryProvider) context;
+      cursorFactoryProvider = (AbstractContactsCursorLoaderFactoryProvider) getParentFragment();
     }
   }
 
@@ -260,7 +268,9 @@ public final class ContactSelectionListFragment extends LoggingFragment
 
     recyclerView.setClipToPadding(recyclerViewClipping);
 
-    swipeRefresh.setEnabled(arguments.getBoolean(REFRESHABLE, intent.getBooleanExtra(REFRESHABLE, true)));
+    boolean isRefreshable = arguments.getBoolean(REFRESHABLE, intent.getBooleanExtra(REFRESHABLE, true));
+    swipeRefresh.setNestedScrollingEnabled(isRefreshable);
+    swipeRefresh.setEnabled(isRefreshable);
 
     hideCount      = arguments.getBoolean(HIDE_COUNT, intent.getBooleanExtra(HIDE_COUNT, false));
     selectionLimit = arguments.getParcelable(SELECTION_LIMITS);
@@ -436,6 +446,10 @@ public final class ContactSelectionListFragment extends LoggingFragment
     }
   }
 
+  public void setRecyclerViewPaddingBottom(@Px int paddingBottom) {
+    ViewUtil.setPaddingBottom(recyclerView, paddingBottom);
+  }
+
   @Override
   public @NonNull Loader<Cursor> onCreateLoader(int id, Bundle args) {
     FragmentActivity activity       = requireActivity();
@@ -566,28 +580,32 @@ public final class ContactSelectionListFragment extends LoggingFragment
               SelectedContact selected = SelectedContact.forUsername(recipient.getId(), contact.getNumber());
 
               if (onContactSelectedListener != null) {
-                if (onContactSelectedListener.onBeforeContactSelected(Optional.of(recipient.getId()), null)) {
-                  markContactSelected(selected);
-                  cursorRecyclerViewAdapter.notifyItemRangeChanged(0, cursorRecyclerViewAdapter.getItemCount(), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
-                }
+                onContactSelectedListener.onBeforeContactSelected(Optional.of(recipient.getId()), null, allowed -> {
+                  if (allowed) {
+                    markContactSelected(selected);
+                    cursorRecyclerViewAdapter.notifyItemRangeChanged(0, cursorRecyclerViewAdapter.getItemCount(), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
+                  }
+                });
               } else {
                 markContactSelected(selected);
                 cursorRecyclerViewAdapter.notifyItemRangeChanged(0, cursorRecyclerViewAdapter.getItemCount(), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
               }
             } else {
-              new AlertDialog.Builder(requireContext())
-                             .setTitle(R.string.ContactSelectionListFragment_username_not_found)
-                             .setMessage(getString(R.string.ContactSelectionListFragment_s_is_not_a_signal_user, contact.getNumber()))
-                             .setPositiveButton(android.R.string.ok, (dialog, which) -> dialog.dismiss())
-                             .show();
+              new MaterialAlertDialogBuilder(requireContext())
+                  .setTitle(R.string.ContactSelectionListFragment_username_not_found)
+                  .setMessage(getString(R.string.ContactSelectionListFragment_s_is_not_a_signal_user, contact.getNumber()))
+                  .setPositiveButton(android.R.string.ok, (dialog, which) -> dialog.dismiss())
+                  .show();
             }
           });
         } else {
           if (onContactSelectedListener != null) {
-            if (onContactSelectedListener.onBeforeContactSelected(contact.getRecipientId(), contact.getNumber())) {
-              markContactSelected(selectedContact);
-              cursorRecyclerViewAdapter.notifyItemRangeChanged(0, cursorRecyclerViewAdapter.getItemCount(), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
-            }
+            onContactSelectedListener.onBeforeContactSelected(contact.getRecipientId(), contact.getNumber(), allowed -> {
+              if (allowed) {
+                markContactSelected(selectedContact);
+                cursorRecyclerViewAdapter.notifyItemRangeChanged(0, cursorRecyclerViewAdapter.getItemCount(), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
+              }
+            });
           } else {
             markContactSelected(selectedContact);
             cursorRecyclerViewAdapter.notifyItemRangeChanged(0, cursorRecyclerViewAdapter.getItemCount(), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
@@ -680,6 +698,11 @@ public final class ContactSelectionListFragment extends LoggingFragment
 
       @Override
       public void endTransition(LayoutTransition transition, ViewGroup container, View view, int transitionType) {
+        if (getView() == null || !requireView().isAttachedToWindow()) {
+          Log.w(TAG, "Fragment's view was detached before the animation completed.");
+          return;
+        }
+
         if (view == chip && transitionType == LayoutTransition.APPEARING) {
           chipGroup.getLayoutTransition().removeTransitionListener(this);
           registerChipRecipientObserver(chip, recipient.live());
@@ -742,8 +765,8 @@ public final class ContactSelectionListFragment extends LoggingFragment
   }
 
   public interface OnContactSelectedListener {
-    /** @return True if the contact is allowed to be selected, otherwise false. */
-    boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number);
+    /** Provides an opportunity to disallow selecting an item. Call the callback with false to disallow, or true to allow it. */
+    void onBeforeContactSelected(Optional<RecipientId> recipientId, String number, Consumer<Boolean> callback);
     void onContactDeselected(Optional<RecipientId> recipientId, String number);
     void onSelectionChanged();
   }

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

@@ -150,6 +150,7 @@ public class DeviceActivity extends PassphraseRequiredActivity
     });
   }
 
+  @SuppressLint("MissingSuperCall")
   @Override
   public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
     Permissions.onRequestPermissionsResult(this, requestCode, permissions, grantResults);

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

@@ -3,9 +3,7 @@ package org.thoughtcrime.securesms;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.Intent;
-import android.graphics.PorterDuff;
 import android.os.AsyncTask;
-import android.os.Build;
 import android.os.Bundle;
 import android.view.View;
 import android.view.View.OnClickListener;
@@ -14,12 +12,12 @@ import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.AnimRes;
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.Toolbar;
-import androidx.core.content.ContextCompat;
 import androidx.interpolator.view.animation.FastOutSlowInInterpolator;
 
 import org.thoughtcrime.securesms.components.ContactFilterView;
@@ -34,27 +32,25 @@ import org.thoughtcrime.securesms.sms.MessageSender;
 import org.thoughtcrime.securesms.sms.OutgoingTextMessage;
 import org.thoughtcrime.securesms.util.DynamicNoActionBarInviteTheme;
 import org.thoughtcrime.securesms.util.DynamicTheme;
-import org.thoughtcrime.securesms.util.ThemeUtil;
 import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.util.ViewUtil;
-import org.thoughtcrime.securesms.util.WindowUtil;
 import org.thoughtcrime.securesms.util.concurrent.ListenableFuture.Listener;
 import org.thoughtcrime.securesms.util.task.ProgressDialogAsyncTask;
 import org.thoughtcrime.securesms.util.text.AfterTextChanged;
 import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.util.concurrent.ExecutionException;
+import java.util.function.Consumer;
 
 public class InviteActivity extends PassphraseRequiredActivity implements ContactSelectionListFragment.OnContactSelectedListener {
 
-  private ContactSelectionListFragment contactsFragment;
-  private EditText                     inviteText;
-  private ViewGroup                    smsSendFrame;
-  private Button                       smsSendButton;
-  private Animation                    slideInAnimation;
-  private Animation                    slideOutAnimation;
-  private DynamicTheme                 dynamicTheme = new DynamicNoActionBarInviteTheme();
-  private Toolbar                      primaryToolbar;
+  private       ContactSelectionListFragment contactsFragment;
+  private       EditText                     inviteText;
+  private       ViewGroup                    smsSendFrame;
+  private       Button                       smsSendButton;
+  private       Animation                    slideInAnimation;
+  private       Animation                    slideOutAnimation;
+  private final DynamicTheme                 dynamicTheme = new DynamicNoActionBarInviteTheme();
 
   @Override
   protected void onPreCreate() {
@@ -82,7 +78,7 @@ public class InviteActivity extends PassphraseRequiredActivity implements Contac
   }
 
   private void initializeAppBar() {
-    primaryToolbar = findViewById(R.id.toolbar);
+    final Toolbar primaryToolbar = findViewById(R.id.toolbar);
     setSupportActionBar(primaryToolbar);
 
     assert getSupportActionBar() != null;
@@ -96,9 +92,9 @@ public class InviteActivity extends PassphraseRequiredActivity implements Contac
     slideOutAnimation = loadAnimation(R.anim.slide_to_bottom);
 
     View                 shareButton     = findViewById(R.id.share_button);
-    Button               smsButton       = findViewById(R.id.sms_button);
+    TextView             shareText       = findViewById(R.id.share_text);
+    View                 smsButton       = findViewById(R.id.sms_button);
     Button               smsCancelButton = findViewById(R.id.cancel_sms_button);
-    Toolbar              smsToolbar      = findViewById(R.id.sms_send_frame_toolbar);
     ContactFilterView    contactFilter   = findViewById(R.id.contact_filter_edit_text);
 
     inviteText        = findViewById(R.id.invite_text);
@@ -120,15 +116,14 @@ public class InviteActivity extends PassphraseRequiredActivity implements Contac
     smsCancelButton.setOnClickListener(new SmsCancelClickListener());
     smsSendButton.setOnClickListener(new SmsSendClickListener());
     contactFilter.setOnFilterChangedListener(new ContactFilterChangedListener());
-    smsToolbar.setNavigationIcon(R.drawable.ic_search_conversation_24);
 
     if (Util.isDefaultSmsProvider(this)) {
       shareButton.setOnClickListener(new ShareClickListener());
       smsButton.setOnClickListener(new SmsClickListener());
     } else {
-      shareButton.setVisibility(View.GONE);
-      smsButton.setOnClickListener(new ShareClickListener());
-      smsButton.setText(R.string.InviteActivity_share);
+      smsButton.setVisibility(View.GONE);
+      shareText.setText(R.string.InviteActivity_share);
+      shareButton.setOnClickListener(new ShareClickListener());
     }
   }
 
@@ -139,9 +134,9 @@ public class InviteActivity extends PassphraseRequiredActivity implements Contac
   }
 
   @Override
-  public boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number) {
+  public void onBeforeContactSelected(Optional<RecipientId> recipientId, String number, Consumer<Boolean> callback) {
     updateSmsButtonText(contactsFragment.getSelectedContacts().size() + 1);
-    return true;
+    callback.accept(true);
   }
 
   @Override
@@ -161,9 +156,7 @@ public class InviteActivity extends PassphraseRequiredActivity implements Contac
   }
 
   private void updateSmsButtonText(int count) {
-    smsSendButton.setText(getResources().getQuantityString(R.plurals.InviteActivity_send_sms_to_friends,
-                                                           count,
-                                                           count));
+    smsSendButton.setText(getResources().getString(R.string.InviteActivity_send_sms, count));
     smsSendButton.setEnabled(count > 0);
   }
 
@@ -175,43 +168,21 @@ public class InviteActivity extends PassphraseRequiredActivity implements Contac
     }
   }
 
+  @Override public boolean onSupportNavigateUp() {
+    if (smsSendFrame.getVisibility() == View.VISIBLE) {
+      cancelSmsSelection();
+      return false;
+    } else {
+      return super.onSupportNavigateUp();
+    }
+  }
+
   private void cancelSmsSelection() {
-    setPrimaryColorsToolbarNormal();
     contactsFragment.reset();
     updateSmsButtonText(contactsFragment.getSelectedContacts().size());
     ViewUtil.animateOut(smsSendFrame, slideOutAnimation, View.GONE);
   }
 
-  private void setPrimaryColorsToolbarNormal() {
-    primaryToolbar.setBackgroundColor(0);
-    primaryToolbar.getNavigationIcon().setColorFilter(null);
-    primaryToolbar.setTitleTextColor(ContextCompat.getColor(this, R.color.signal_text_primary));
-
-    if (Build.VERSION.SDK_INT >= 23) {
-      WindowUtil.setStatusBarColor(getWindow(), ThemeUtil.getThemedColor(this, android.R.attr.statusBarColor));
-      getWindow().setNavigationBarColor(ThemeUtil.getThemedColor(this, android.R.attr.navigationBarColor));
-      WindowUtil.setLightStatusBarFromTheme(this);
-    }
-
-    WindowUtil.setLightNavigationBarFromTheme(this);
-  }
-
-  private void setPrimaryColorsToolbarForSms() {
-    primaryToolbar.setBackgroundColor(ContextCompat.getColor(this, R.color.core_ultramarine));
-    primaryToolbar.getNavigationIcon().setColorFilter(ContextCompat.getColor(this, R.color.signal_text_toolbar_subtitle), PorterDuff.Mode.SRC_IN);
-    primaryToolbar.setTitleTextColor(ContextCompat.getColor(this, R.color.signal_text_toolbar_title));
-
-    if (Build.VERSION.SDK_INT >= 23) {
-      WindowUtil.setStatusBarColor(getWindow(), ContextCompat.getColor(this, R.color.core_ultramarine));
-      WindowUtil.clearLightStatusBar(getWindow());
-    }
-
-    if (Build.VERSION.SDK_INT >= 27) {
-      getWindow().setNavigationBarColor(ContextCompat.getColor(this, R.color.core_ultramarine));
-      WindowUtil.clearLightNavigationBar(getWindow());
-    }
-  }
-
   private class ShareClickListener implements OnClickListener {
     @Override
     public void onClick(View v) {
@@ -230,7 +201,6 @@ public class InviteActivity extends PassphraseRequiredActivity implements Contac
   private class SmsClickListener implements OnClickListener {
     @Override
     public void onClick(View v) {
-      setPrimaryColorsToolbarForSms();
       ViewUtil.animateIn(smsSendFrame, slideInAnimation);
     }
   }
@@ -282,7 +252,7 @@ public class InviteActivity extends PassphraseRequiredActivity implements Contac
         Recipient   recipient      = Recipient.resolved(recipientId);
         int         subscriptionId = recipient.getDefaultSubscriptionId().or(-1);
 
-        MessageSender.send(context, new OutgoingTextMessage(recipient, message, subscriptionId), -1L, true, null);
+        MessageSender.send(context, new OutgoingTextMessage(recipient, message, subscriptionId), -1L, true, null, null);
 
         if (recipient.getContactUri() != null) {
           DatabaseFactory.getRecipientDatabase(context).setHasSentInvite(recipient.getId());

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

@@ -49,6 +49,7 @@ public class MainActivity extends PassphraseRequiredActivity implements VoiceNot
 
     handleGroupLinkInIntent(getIntent());
     handleProxyInIntent(getIntent());
+    handleSignalMeIntent(getIntent());
 
     CachedInflater.from(this).clear();
   }
@@ -65,6 +66,7 @@ public class MainActivity extends PassphraseRequiredActivity implements VoiceNot
     super.onNewIntent(intent);
     handleGroupLinkInIntent(intent);
     handleProxyInIntent(intent);
+    handleSignalMeIntent(intent);
   }
 
   @Override
@@ -115,6 +117,13 @@ public class MainActivity extends PassphraseRequiredActivity implements VoiceNot
     }
   }
 
+  private void handleSignalMeIntent(Intent intent) {
+    Uri data = intent.getData();
+    if (data != null) {
+      CommunicationActions.handlePotentialSignalMeUrl(this, data.toString());
+    }
+  }
+
   @Override
   public @NonNull VoiceNoteMediaController getVoiceNoteMediaController() {
     return mediaController;

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

@@ -171,6 +171,7 @@ public final class MediaPreviewActivity extends PassphraseRequiredActivity
     initializeObservers();
   }
 
+  @SuppressLint("MissingSuperCall")
   @Override
   public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
     Permissions.onRequestPermissionsResult(this, requestCode, permissions, grantResults);

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

@@ -37,6 +37,7 @@ import org.thoughtcrime.securesms.util.views.SimpleProgressDialog;
 import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.io.IOException;
+import java.util.function.Consumer;
 
 /**
  * Activity container for starting a new conversation.
@@ -60,7 +61,7 @@ public class NewConversationActivity extends ContactSelectionActivity
   }
 
   @Override
-  public boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number) {
+  public void onBeforeContactSelected(Optional<RecipientId> recipientId, String number, Consumer<Boolean> callback) {
     if (recipientId.isPresent()) {
       launch(Recipient.resolved(recipientId.get()));
     } else {
@@ -94,7 +95,7 @@ public class NewConversationActivity extends ContactSelectionActivity
       }
     }
 
-    return true;
+    callback.accept(true);
   }
 
   @Override

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

@@ -35,7 +35,6 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
-import android.view.WindowManager;
 import android.view.animation.Animation;
 import android.view.animation.BounceInterpolator;
 import android.view.animation.TranslateAnimation;
@@ -51,6 +50,7 @@ import androidx.biometric.BiometricManager;
 import androidx.biometric.BiometricManager.Authenticators;
 import androidx.biometric.BiometricPrompt;
 
+import org.signal.core.util.ThreadUtil;
 import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.animation.AnimationCompleteListener;
 import org.thoughtcrime.securesms.components.AnimatingToggle;
@@ -98,13 +98,16 @@ public class PassphrasePromptActivity extends PassphraseActivity {
   private boolean hadFailure;
   private boolean alreadyShown;
 
+  private final Runnable resumeScreenLockRunnable = () -> {
+    resumeScreenLock(!alreadyShown);
+    alreadyShown = true;
+  };
+
   @Override
   public void onCreate(Bundle savedInstanceState) {
     Log.i(TAG, "onCreate()");
     dynamicTheme.onCreate(this);
     dynamicLanguage.onCreate(this);
-    getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-    getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
     super.onCreate(savedInstanceState);
 
     setContentView(R.layout.prompt_passphrase_activity);
@@ -129,11 +132,20 @@ public class PassphrasePromptActivity extends PassphraseActivity {
     setLockTypeVisibility();
 
     if (TextSecurePreferences.isScreenLockEnabled(this) && !authenticated && !hadFailure) {
-      resumeScreenLock(!alreadyShown);
-      alreadyShown = true;
+      ThreadUtil.postToMain(resumeScreenLockRunnable);
     }
 
     hadFailure = false;
+
+    fingerprintPrompt.setImageResource(R.drawable.ic_fingerprint_white_48dp);
+    fingerprintPrompt.getBackground().setColorFilter(getResources().getColor(R.color.signal_accent_primary), PorterDuff.Mode.SRC_IN);
+  }
+
+  @Override
+  public void onPause() {
+    super.onPause();
+    ThreadUtil.cancelRunnableOnMain(resumeScreenLockRunnable);
+    biometricPrompt.cancelAuthentication();
   }
 
   @Override
@@ -388,9 +400,6 @@ public class PassphrasePromptActivity extends PassphraseActivity {
         @Override
         public void onAnimationEnd(Animator animation) {
           handleAuthenticated();
-
-          fingerprintPrompt.setImageResource(R.drawable.ic_fingerprint_white_48dp);
-          fingerprintPrompt.getBackground().setColorFilter(getResources().getColor(R.color.core_ultramarine), PorterDuff.Mode.SRC_IN);
         }
       }).start();
     }
@@ -412,7 +421,7 @@ public class PassphrasePromptActivity extends PassphraseActivity {
         @Override
         public void onAnimationEnd(Animation animation) {
           fingerprintPrompt.setImageResource(R.drawable.ic_fingerprint_white_48dp);
-          fingerprintPrompt.getBackground().setColorFilter(getResources().getColor(R.color.core_ultramarine), PorterDuff.Mode.SRC_IN);
+          fingerprintPrompt.getBackground().setColorFilter(getResources().getColor(R.color.signal_accent_primary), PorterDuff.Mode.SRC_IN);
         }
 
         @Override

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

@@ -15,6 +15,7 @@ import org.greenrobot.eventbus.EventBus;
 import org.signal.core.util.logging.Log;
 import org.signal.core.util.tracing.Tracer;
 import org.signal.devicetransfer.TransferStatus;
+import org.thoughtcrime.securesms.components.settings.app.changenumber.ChangeNumberLockActivity;
 import org.thoughtcrime.securesms.crypto.MasterSecretUtil;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
 import org.thoughtcrime.securesms.devicetransfer.olddevice.OldDeviceTransferActivity;
@@ -50,6 +51,7 @@ public abstract class PassphraseRequiredActivity extends BaseActivity implements
   private static final int STATE_CREATE_SIGNAL_PIN   = 7;
   private static final int STATE_TRANSFER_ONGOING    = 8;
   private static final int STATE_TRANSFER_LOCKED     = 9;
+  private static final int STATE_CHANGE_NUMBER_LOCK  = 10;
 
   private SignalServiceNetworkAccess networkAccess;
   private BroadcastReceiver          clearKeyReceiver;
@@ -153,6 +155,7 @@ public abstract class PassphraseRequiredActivity extends BaseActivity implements
       case STATE_CREATE_PROFILE_NAME: return getCreateProfileNameIntent();
       case STATE_TRANSFER_ONGOING:    return getOldDeviceTransferIntent();
       case STATE_TRANSFER_LOCKED:     return getOldDeviceTransferLockedIntent();
+      case STATE_CHANGE_NUMBER_LOCK:  return getChangeNumberLockIntent();
       default:                        return null;
     }
   }
@@ -176,6 +179,8 @@ public abstract class PassphraseRequiredActivity extends BaseActivity implements
       return STATE_TRANSFER_ONGOING;
     } else if (SignalStore.misc().isOldDeviceTransferLocked()) {
       return STATE_TRANSFER_LOCKED;
+    } else if (SignalStore.misc().isChangeNumberLocked() && getClass() != ChangeNumberLockActivity.class) {
+      return STATE_CHANGE_NUMBER_LOCK;
     } else {
       return STATE_NORMAL;
     }
@@ -243,6 +248,10 @@ public abstract class PassphraseRequiredActivity extends BaseActivity implements
     return MainActivity.clearTop(this);
   }
 
+  private Intent getChangeNumberLockIntent() {
+    return ChangeNumberLockActivity.createIntent(this);
+  }
+
   private Intent getRoutedIntent(Class<?> destination, @Nullable Intent nextIntent) {
     final Intent intent = new Intent(this, destination);
     if (nextIntent != null)   intent.putExtra("next_intent", nextIntent);

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

@@ -43,32 +43,38 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.ViewTreeObserver;
 import android.view.animation.Animation;
 import android.view.animation.AnticipateInterpolator;
-import android.view.animation.OvershootInterpolator;
 import android.view.animation.ScaleAnimation;
-import android.widget.CompoundButton;
+import android.widget.Button;
 import android.widget.ImageView;
+import android.widget.ScrollView;
+import android.widget.TextSwitcher;
 import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.DrawableRes;
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
-import androidx.appcompat.widget.SwitchCompat;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.view.OneShotPreDrawListener;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentTransaction;
+import androidx.interpolator.view.animation.FastOutSlowInInterpolator;
 
 import org.signal.core.util.ThreadUtil;
 import org.signal.core.util.concurrent.SignalExecutors;
 import org.signal.core.util.logging.Log;
+import org.thoughtcrime.securesms.components.ShapeScrim;
 import org.thoughtcrime.securesms.components.camera.CameraView;
 import org.thoughtcrime.securesms.crypto.ReentrantSessionLock;
 import org.thoughtcrime.securesms.crypto.IdentityKeyParcelable;
 import org.thoughtcrime.securesms.crypto.IdentityKeyUtil;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.IdentityDatabase;
 import org.thoughtcrime.securesms.database.IdentityDatabase.VerifiedStatus;
+import org.thoughtcrime.securesms.database.model.IdentityRecord;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
 import org.thoughtcrime.securesms.jobs.MultiDeviceVerifiedUpdateJob;
 import org.thoughtcrime.securesms.permissions.Permissions;
@@ -79,6 +85,7 @@ import org.thoughtcrime.securesms.recipients.LiveRecipient;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientId;
 import org.thoughtcrime.securesms.storage.StorageSyncHelper;
+import org.thoughtcrime.securesms.util.DynamicNoActionBarTheme;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.thoughtcrime.securesms.util.FeatureFlags;
 import org.thoughtcrime.securesms.util.IdentityUtil;
@@ -109,13 +116,13 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
   private static final String IDENTITY_EXTRA  = "recipient_identity";
   private static final String VERIFIED_EXTRA  = "verified_state";
 
-  private final DynamicTheme dynamicTheme = new DynamicTheme();
+  private final DynamicTheme dynamicTheme = new DynamicNoActionBarTheme();
 
   private final VerifyDisplayFragment displayFragment = new VerifyDisplayFragment();
   private final VerifyScanFragment    scanFragment    = new VerifyScanFragment();
 
   public static Intent newIntent(@NonNull Context context,
-                                 @NonNull IdentityDatabase.IdentityRecord identityRecord)
+                                 @NonNull IdentityRecord identityRecord)
   {
     return newIntent(context,
                      identityRecord.getRecipientId(),
@@ -124,7 +131,7 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
   }
 
   public static Intent newIntent(@NonNull Context context,
-                                 @NonNull IdentityDatabase.IdentityRecord identityRecord,
+                                 @NonNull IdentityRecord identityRecord,
                                  boolean verified)
   {
     return newIntent(context,
@@ -154,9 +161,6 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
 
   @Override
   protected void onCreate(Bundle state, boolean ready) {
-    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-    getSupportActionBar().setTitle(R.string.AndroidManifest__verify_safety_number);
-
     Bundle extras = new Bundle();
     extras.putParcelable(VerifyDisplayFragment.RECIPIENT_ID, getIntent().getParcelableExtra(RECIPIENT_EXTRA));
     extras.putParcelable(VerifyDisplayFragment.REMOTE_IDENTITY, getIntent().getParcelableExtra(IDENTITY_EXTRA));
@@ -208,12 +212,13 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
                .execute();
   }
 
+  @SuppressLint("MissingSuperCall")
   @Override
   public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
     Permissions.onRequestPermissionsResult(this, requestCode, permissions, grantResults);
   }
 
-  public static class VerifyDisplayFragment extends Fragment implements CompoundButton.OnCheckedChangeListener {
+  public static class VerifyDisplayFragment extends Fragment implements ViewTreeObserver.OnScrollChangedListener {
 
     public static final String RECIPIENT_ID    = "recipient_id";
     public static final String REMOTE_NUMBER   = "remote_number";
@@ -227,28 +232,41 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
     private IdentityKey   remoteIdentity;
     private Fingerprint   fingerprint;
 
+    private Toolbar              toolbar;
+    private ScrollView           scrollView;
     private View                 container;
     private View                 numbersContainer;
+    private View                 loading;
+    private View                 qrCodeContainer;
     private ImageView            qrCode;
     private ImageView            qrVerified;
-    private TextView             tapLabel;
+    private TextSwitcher         tapLabel;
     private TextView             description;
     private View.OnClickListener clickListener;
-    private SwitchCompat         verified;
+    private Button               verifyButton;
+    private View                 toolbarShadow;
+    private View                 bottomShadow;
 
     private TextView[] codes                = new TextView[12];
     private boolean    animateSuccessOnDraw = false;
     private boolean    animateFailureOnDraw = false;
+    private boolean    currentVerifiedState = false;
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup viewGroup, Bundle bundle) {
       this.container        = ViewUtil.inflate(inflater, viewGroup, R.layout.verify_display_fragment);
+      this.toolbar          = container.findViewById(R.id.toolbar);
+      this.scrollView       = container.findViewById(R.id.scroll_view);
       this.numbersContainer = container.findViewById(R.id.number_table);
+      this.loading          = container.findViewById(R.id.loading);
+      this.qrCodeContainer  = container.findViewById(R.id.qr_code_container);
       this.qrCode           = container.findViewById(R.id.qr_code);
-      this.verified         = container.findViewById(R.id.verified_switch);
+      this.verifyButton     = container.findViewById(R.id.verify_button);
       this.qrVerified       = container.findViewById(R.id.qr_verified);
       this.description      = container.findViewById(R.id.description);
       this.tapLabel         = container.findViewById(R.id.tap_label);
+      this.toolbarShadow    = container.findViewById(R.id.toolbar_shadow);
+      this.bottomShadow     = container.findViewById(R.id.verify_identity_bottom_shadow);
       this.codes[0]         = container.findViewById(R.id.code_first);
       this.codes[1]         = container.findViewById(R.id.code_second);
       this.codes[2]         = container.findViewById(R.id.code_third);
@@ -262,15 +280,25 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
       this.codes[10]        = container.findViewById(R.id.code_eleventh);
       this.codes[11]        = container.findViewById(R.id.code_twelth);
 
-      this.qrCode.setOnClickListener(clickListener);
+      this.qrCodeContainer.setOnClickListener(clickListener);
       this.registerForContextMenu(numbersContainer);
 
-      this.verified.setChecked(getArguments().getBoolean(VERIFIED_STATE, false));
-      this.verified.setOnCheckedChangeListener(this);
+      updateVerifyButton(getArguments().getBoolean(VERIFIED_STATE, false), false);
+      this.verifyButton.setOnClickListener((button -> updateVerifyButton(!currentVerifiedState, true)));
+
+      this.scrollView.getViewTreeObserver().addOnScrollChangedListener(this);
+
+      ((AppCompatActivity)requireActivity()).setSupportActionBar(toolbar);
+      ((AppCompatActivity)requireActivity()).setTitle(R.string.AndroidManifest__verify_safety_number);
 
       return container;
     }
 
+    @Override public void onDestroyView() {
+      this.scrollView.getViewTreeObserver().removeOnScrollChangedListener(this);
+      super.onDestroyView();
+    }
+
     @Override
     public void onCreate(Bundle bundle) {
       super.onCreate(bundle);
@@ -326,6 +354,7 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
 
         @Override
         protected void onPostExecute(Fingerprint fingerprint) {
+          if (getActivity() == null) return;
           VerifyDisplayFragment.this.fingerprint = fingerprint;
           setFingerprintViews(fingerprint, true);
           getActivity().supportInvalidateOptionsMenu();
@@ -352,6 +381,8 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
         animateFailureOnDraw = false;
         animateVerifiedFailure();
       }
+
+      ThreadUtil.postToMain(this::onScrollChanged);
     }
 
     @Override
@@ -409,9 +440,11 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
         } else {
           Toast.makeText(getActivity(), R.string.VerifyIdentityActivity_your_contact_is_running_an_old_version_of_signal, Toast.LENGTH_LONG).show();
         }
+        this.animateFailureOnDraw = true;
       } catch (Exception e) {
         Log.w(TAG, e);
         Toast.makeText(getActivity(), R.string.VerifyIdentityActivity_the_scanned_qr_code_is_not_a_correctly_formatted_safety_number, Toast.LENGTH_LONG).show();
+        this.animateFailureOnDraw = true;
       }
     }
 
@@ -479,7 +512,7 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
     }
 
     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.getDisplayName(getContext()))));
+      description.setText(Html.fromHtml(String.format(getActivity().getString(R.string.verify_display_fragment__to_verify_the_security_of_your_end_to_end_encryption_with_s), recipient.getDisplayName(getContext()))));
       description.setMovementMethod(LinkMovementMethod.getInstance());
     }
 
@@ -500,9 +533,11 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
       if (animate) {
         ViewUtil.fadeIn(qrCode, 1000);
         ViewUtil.fadeIn(tapLabel, 1000);
+        ViewUtil.fadeOut(loading, 300, View.GONE);
       } else {
         qrCode.setVisibility(View.VISIBLE);
         tapLabel.setVisibility(View.VISIBLE);
+        loading.setVisibility(View.GONE);
       }
     }
 
@@ -558,6 +593,8 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
       qrVerified.setImageBitmap(qrSuccess);
       qrVerified.getBackground().setColorFilter(getResources().getColor(R.color.green_500), PorterDuff.Mode.MULTIPLY);
 
+      tapLabel.setText(getString(R.string.verify_display_fragment__successful_match));
+
       animateVerified();
     }
 
@@ -568,6 +605,8 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
       qrVerified.setImageBitmap(qrSuccess);
       qrVerified.getBackground().setColorFilter(getResources().getColor(R.color.red_500), PorterDuff.Mode.MULTIPLY);
 
+      tapLabel.setText(getString(R.string.verify_display_fragment__failed_to_verify_safety_number));
+
       animateVerified();
     }
 
@@ -575,7 +614,7 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
       ScaleAnimation scaleAnimation = new ScaleAnimation(0, 1, 0, 1,
                                                          ScaleAnimation.RELATIVE_TO_SELF, 0.5f,
                                                          ScaleAnimation.RELATIVE_TO_SELF, 0.5f);
-      scaleAnimation.setInterpolator(new OvershootInterpolator());
+      scaleAnimation.setInterpolator(new FastOutSlowInInterpolator());
       scaleAnimation.setDuration(800);
       scaleAnimation.setAnimationListener(new Animation.AnimationListener() {
         @Override
@@ -593,6 +632,9 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
               scaleAnimation.setInterpolator(new AnticipateInterpolator());
               scaleAnimation.setDuration(500);
               ViewUtil.animateOut(qrVerified, scaleAnimation, View.GONE);
+              ViewUtil.fadeIn(qrCode, 800);
+              qrCodeContainer.setEnabled(true);
+              tapLabel.setText(getString(R.string.verify_display_fragment__tap_to_scan));
             }
           }, 2000);
         }
@@ -601,40 +643,70 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
         public void onAnimationRepeat(Animation animation) {}
       });
 
+      ViewUtil.fadeOut(qrCode, 200, View.INVISIBLE);
       ViewUtil.animateIn(qrVerified, scaleAnimation);
+      qrCodeContainer.setEnabled(false);
     }
 
-    @Override
-    public void onCheckedChanged(CompoundButton buttonView, final boolean isChecked) {
-      final Recipient   recipient   = this.recipient.get();
-      final RecipientId recipientId = recipient.getId();
+    private void updateVerifyButton(boolean verified, boolean update) {
+      currentVerifiedState = verified;
 
-      SignalExecutors.BOUNDED.execute(() -> {
-        try (SignalSessionLock.Lock unused = ReentrantSessionLock.INSTANCE.acquire()) {
-          if (isChecked) {
-            Log.i(TAG, "Saving identity: " + recipientId);
-            DatabaseFactory.getIdentityDatabase(getActivity())
-                           .saveIdentity(recipientId,
-                                         remoteIdentity,
-                                         VerifiedStatus.VERIFIED, false,
-                                         System.currentTimeMillis(), true);
-          } else {
-            DatabaseFactory.getIdentityDatabase(getActivity())
-                           .setVerified(recipientId,
-                                        remoteIdentity,
-                                        VerifiedStatus.DEFAULT);
+      if (verified) {
+        verifyButton.setText(R.string.verify_display_fragment__clear_verification);
+      } else {
+        verifyButton.setText(R.string.verify_display_fragment__mark_as_verified);
+      }
+
+      if (update) {
+        final RecipientId recipientId = recipient.getId();
+
+        SignalExecutors.BOUNDED.execute(() -> {
+          try (SignalSessionLock.Lock unused = ReentrantSessionLock.INSTANCE.acquire()) {
+            if (verified) {
+              Log.i(TAG, "Saving identity: " + recipientId);
+              ApplicationDependencies.getIdentityStore()
+                                     .saveIdentityWithoutSideEffects(recipientId,
+                                                                     remoteIdentity,
+                                                                     VerifiedStatus.VERIFIED,
+                                                                     false,
+                                                                     System.currentTimeMillis(),
+                                                                     true);
+            } else {
+              ApplicationDependencies.getIdentityStore().setVerified(recipientId, remoteIdentity, VerifiedStatus.DEFAULT);
+            }
+
+            ApplicationDependencies.getJobManager()
+                                   .add(new MultiDeviceVerifiedUpdateJob(recipientId,
+                                                                         remoteIdentity,
+                                                                         verified ? VerifiedStatus.VERIFIED
+                                                                                   : VerifiedStatus.DEFAULT));
+            StorageSyncHelper.scheduleSyncForDataChange();
+
+            IdentityUtil.markIdentityVerified(getActivity(), recipient.get(), verified, false);
           }
+        });
+      }
+    }
 
-          ApplicationDependencies.getJobManager()
-                                 .add(new MultiDeviceVerifiedUpdateJob(recipientId,
-                                                                       remoteIdentity,
-                                                                       isChecked ? VerifiedStatus.VERIFIED
-                                                                                 : VerifiedStatus.DEFAULT));
-          StorageSyncHelper.scheduleSyncForDataChange();
 
-          IdentityUtil.markIdentityVerified(getActivity(), recipient, isChecked, false);
+    @Override public void onScrollChanged() {
+      if (scrollView.canScrollVertically(-1)) {
+        if (toolbarShadow.getVisibility() != View.VISIBLE) {
+          ViewUtil.fadeIn(toolbarShadow, 250);
         }
-      });
+      } else {
+        if (toolbarShadow.getVisibility() != View.GONE) {
+          ViewUtil.fadeOut(toolbarShadow, 250);
+        }
+      }
+
+      if (scrollView.canScrollVertically(1)) {
+        if (bottomShadow.getVisibility() != View.VISIBLE) {
+          ViewUtil.fadeIn(bottomShadow, 250);
+        }
+      } else {
+        ViewUtil.fadeOut(bottomShadow, 250);
+      }
     }
   }
 
@@ -642,12 +714,23 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
 
     private View           container;
     private CameraView     cameraView;
+    private ShapeScrim     cameraScrim;
+    private ImageView      cameraMarks;
     private ScanningThread scanningThread;
     private ScanListener   scanListener;
 
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup viewGroup, Bundle bundle) {
-      this.container  = ViewUtil.inflate(inflater, viewGroup, R.layout.verify_scan_fragment);
-      this.cameraView = container.findViewById(R.id.scanner);
+      this.container   = ViewUtil.inflate(inflater, viewGroup, R.layout.verify_scan_fragment);
+      this.cameraView  = container.findViewById(R.id.scanner);
+      this.cameraScrim = container.findViewById(R.id.camera_scrim);
+      this.cameraMarks = container.findViewById(R.id.camera_marks);
+
+      OneShotPreDrawListener.add(cameraScrim, () -> {
+        int width  = cameraScrim.getScrimWidth();
+        int height = cameraScrim.getScrimHeight();
+
+        ViewUtil.updateLayoutParams(cameraMarks, width, height);
+      });
 
       return container;
     }
@@ -684,5 +767,4 @@ public class VerifyIdentityActivity extends PassphraseRequiredActivity implement
     }
 
   }
-
 }

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

@@ -17,28 +17,39 @@
 
 package org.thoughtcrime.securesms;
 
+import static org.thoughtcrime.securesms.components.sensors.Orientation.PORTRAIT_BOTTOM_EDGE;
+
 import android.Manifest;
+import android.annotation.SuppressLint;
 import android.app.PictureInPictureParams;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
+import android.graphics.Rect;
 import android.media.AudioManager;
 import android.os.Build;
 import android.os.Bundle;
 import android.util.Rational;
 import android.view.Window;
 import android.view.WindowManager;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.app.AppCompatDelegate;
 import androidx.core.content.ContextCompat;
+import androidx.core.util.Consumer;
 import androidx.lifecycle.ViewModelProviders;
+import androidx.window.DisplayFeature;
+import androidx.window.FoldingFeature;
+import androidx.window.WindowLayoutInfo;
 
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 import org.greenrobot.eventbus.ThreadMode;
+import org.signal.core.util.concurrent.SignalExecutors;
 import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.components.TooltipPopup;
 import org.thoughtcrime.securesms.components.sensors.DeviceOrientationMonitor;
@@ -49,6 +60,7 @@ import org.thoughtcrime.securesms.components.webrtc.GroupCallSafetyNumberChangeN
 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.components.webrtc.WebRtcControls;
 import org.thoughtcrime.securesms.components.webrtc.participantslist.CallParticipantsListDialog;
 import org.thoughtcrime.securesms.conversation.ui.error.SafetyNumberChangeDialog;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
@@ -60,17 +72,19 @@ import org.thoughtcrime.securesms.recipients.RecipientId;
 import org.thoughtcrime.securesms.service.webrtc.SignalCallManager;
 import org.thoughtcrime.securesms.sms.MessageSender;
 import org.thoughtcrime.securesms.util.EllapsedTimeFormatter;
+import org.thoughtcrime.securesms.util.FeatureFlags;
 import org.thoughtcrime.securesms.util.FullscreenHelper;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
+import org.thoughtcrime.securesms.util.ThrottledDebouncer;
 import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.util.livedata.LiveDataUtil;
+import org.thoughtcrime.securesms.webrtc.CallParticipantsViewState;
 import org.whispersystems.libsignal.IdentityKey;
-import org.whispersystems.libsignal.util.Pair;
 import org.whispersystems.signalservice.api.messages.calls.HangupMessage;
 
 import java.util.List;
-
-import static org.thoughtcrime.securesms.components.sensors.Orientation.PORTRAIT_BOTTOM_EDGE;
+import java.util.Optional;
+import java.util.concurrent.TimeUnit;
 
 public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChangeDialog.Callback {
 
@@ -87,11 +101,14 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
   private CallParticipantsListUpdatePopupWindow participantUpdateWindow;
   private DeviceOrientationMonitor              deviceOrientationMonitor;
 
-  private FullscreenHelper    fullscreenHelper;
-  private WebRtcCallView      callScreen;
-  private TooltipPopup        videoTooltip;
-  private WebRtcCallViewModel viewModel;
-  private boolean             enableVideoIfAvailable;
+  private FullscreenHelper              fullscreenHelper;
+  private WebRtcCallView                callScreen;
+  private TooltipPopup                  videoTooltip;
+  private WebRtcCallViewModel           viewModel;
+  private boolean                       enableVideoIfAvailable;
+  private androidx.window.WindowManager windowManager;
+  private WindowLayoutInfoConsumer      windowLayoutInfoConsumer;
+  private ThrottledDebouncer            requestNewSizesThrottle;
 
   @Override
   protected void attachBaseContext(@NonNull Context newBase) {
@@ -99,6 +116,7 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
     super.attachBaseContext(newBase);
   }
 
+  @SuppressLint("SourceLockedOrientationActivity")
   @Override
   public void onCreate(Bundle savedInstanceState) {
     Log.i(TAG, "onCreate()");
@@ -106,6 +124,11 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
     getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
     super.onCreate(savedInstanceState);
 
+    boolean isLandscapeEnabled = getResources().getConfiguration().smallestScreenWidthDp >= 480;
+    if (!isLandscapeEnabled) {
+      setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+    }
+
     requestWindowFeature(Window.FEATURE_NO_TITLE);
     setContentView(R.layout.webrtc_call_activity);
 
@@ -114,12 +137,19 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
     setVolumeControlStream(AudioManager.STREAM_VOICE_CALL);
 
     initializeResources();
-    initializeViewModel();
+    initializeViewModel(isLandscapeEnabled);
 
     processIntent(getIntent());
 
     enableVideoIfAvailable = getIntent().getBooleanExtra(EXTRA_ENABLE_VIDEO_IF_AVAILABLE, false);
     getIntent().removeExtra(EXTRA_ENABLE_VIDEO_IF_AVAILABLE);
+
+    windowManager            = new androidx.window.WindowManager(this);
+    windowLayoutInfoConsumer = new WindowLayoutInfoConsumer();
+
+    windowManager.registerLayoutChangeCallback(SignalExecutors.BOUNDED, windowLayoutInfoConsumer);
+
+    requestNewSizesThrottle = new ThrottledDebouncer(TimeUnit.SECONDS.toMillis(1));
   }
 
   @Override
@@ -164,6 +194,7 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
 
     if (!isInPipMode() || isFinishing()) {
       EventBus.getDefault().unregister(this);
+      requestNewSizesThrottle.clear();
     }
 
     if (!viewModel.isCallStarting()) {
@@ -177,9 +208,11 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
   @Override
   protected void onDestroy() {
     super.onDestroy();
+    windowManager.unregisterLayoutChangeCallback(windowLayoutInfoConsumer);
     EventBus.getDefault().unregister(this);
   }
 
+  @SuppressLint("MissingSuperCall")
   @Override
   public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
     Permissions.onRequestPermissionsResult(this, requestCode, permissions, grantResults);
@@ -206,8 +239,8 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
   private boolean enterPipModeIfPossible() {
     if (viewModel.canEnterPipMode() && isSystemPipEnabledAndAvailable()) {
       PictureInPictureParams params = new PictureInPictureParams.Builder()
-              .setAspectRatio(new Rational(9, 16))
-              .build();
+          .setAspectRatio(new Rational(9, 16))
+          .build();
       enterPictureInPictureMode(params);
       CallParticipantsListDialog.dismiss(getSupportFragmentManager());
 
@@ -246,53 +279,46 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
     participantUpdateWindow = new CallParticipantsListUpdatePopupWindow(callScreen);
   }
 
-  private void initializeViewModel() {
+  private void initializeViewModel(boolean isLandscapeEnabled) {
     deviceOrientationMonitor = new DeviceOrientationMonitor(this);
     getLifecycle().addObserver(deviceOrientationMonitor);
 
     WebRtcCallViewModel.Factory factory = new WebRtcCallViewModel.Factory(deviceOrientationMonitor);
 
     viewModel = ViewModelProviders.of(this, factory).get(WebRtcCallViewModel.class);
+    viewModel.setIsLandscapeEnabled(isLandscapeEnabled);
     viewModel.setIsInPipMode(isInPipMode());
     viewModel.getMicrophoneEnabled().observe(this, callScreen::setMicEnabled);
     viewModel.getWebRtcControls().observe(this, callScreen::setWebRtcControls);
     viewModel.getEvents().observe(this, this::handleViewModelEvent);
     viewModel.getCallTime().observe(this, this::handleCallTime);
-    LiveDataUtil.combineLatest(viewModel.getCallParticipantsState(), viewModel.getOrientation(), (s, o) -> new Pair<>(s, o == PORTRAIT_BOTTOM_EDGE))
-                .observe(this, p -> callScreen.updateCallParticipants(p.first(), p.second()));
+
+    LiveDataUtil.combineLatest(viewModel.getCallParticipantsState(),
+                               viewModel.getOrientationAndLandscapeEnabled(),
+                               (s, o) -> new CallParticipantsViewState(s, o.first == PORTRAIT_BOTTOM_EDGE, o.second))
+                .observe(this, p -> callScreen.updateCallParticipants(p));
     viewModel.getCallParticipantListUpdate().observe(this, participantUpdateWindow::addCallParticipantListUpdate);
     viewModel.getSafetyNumberChangeEvent().observe(this, this::handleSafetyNumberChangeEvent);
-    viewModel.getGroupMembers().observe(this, unused -> updateGroupMembersForGroupCall());
+    viewModel.getGroupMembersChanged().observe(this, unused -> updateGroupMembersForGroupCall());
+    viewModel.getGroupMemberCount().observe(this, this::handleGroupMemberCountChange);
     viewModel.shouldShowSpeakerHint().observe(this, this::updateSpeakerHint);
 
     callScreen.getViewTreeObserver().addOnGlobalLayoutListener(() -> {
       CallParticipantsState state = viewModel.getCallParticipantsState().getValue();
       if (state != null) {
         if (state.needsNewRequestSizes()) {
-          ApplicationDependencies.getSignalCallManager().updateRenderedResolutions();
+          requestNewSizesThrottle.publish(() -> ApplicationDependencies.getSignalCallManager().updateRenderedResolutions());
         }
       }
     });
 
-    viewModel.getOrientation().observe(this, orientation -> {
-      ApplicationDependencies.getSignalCallManager().orientationChanged(orientation.getDegrees());
-
-      switch (orientation) {
-        case LANDSCAPE_LEFT_EDGE:
-          callScreen.rotateControls(90);
-          break;
-        case LANDSCAPE_RIGHT_EDGE:
-          callScreen.rotateControls(-90);
-          break;
-        case PORTRAIT_BOTTOM_EDGE:
-          callScreen.rotateControls(0);
-      }
-    });
+    viewModel.getOrientationAndLandscapeEnabled().observe(this, pair -> ApplicationDependencies.getSignalCallManager().orientationChanged(pair.second, pair.first.getDegrees()));
+    viewModel.getControlsRotation().observe(this, callScreen::rotateControls);
   }
 
   private void handleViewModelEvent(@NonNull WebRtcCallViewModel.Event event) {
     if (event instanceof WebRtcCallViewModel.Event.StartCall) {
-      startCall(((WebRtcCallViewModel.Event.StartCall)event).isVideoCall());
+      startCall(((WebRtcCallViewModel.Event.StartCall) event).isVideoCall());
       return;
     } else if (event instanceof WebRtcCallViewModel.Event.ShowGroupCallSafetyNumberChange) {
       SafetyNumberChangeDialog.showForGroupCall(getSupportFragmentManager(), ((WebRtcCallViewModel.Event.ShowGroupCallSafetyNumberChange) event).getIdentityRecords());
@@ -404,7 +430,7 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
                  .request(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA)
                  .ifNecessary()
                  .withRationaleDialog(getString(R.string.WebRtcCallActivity_to_answer_the_call_from_s_give_signal_access_to_your_microphone, recipient.getDisplayName(this)),
-                     R.drawable.ic_mic_solid_24, R.drawable.ic_video_solid_24_tinted)
+                                      R.drawable.ic_mic_solid_24, R.drawable.ic_video_solid_24_tinted)
                  .withPermanentDenialDialog(getString(R.string.WebRtcCallActivity_signal_requires_microphone_and_camera_permissions_in_order_to_make_or_receive_calls))
                  .onAllGranted(() -> {
                    callScreen.setRecipient(recipient);
@@ -488,13 +514,13 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
   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
     new AlertDialog.Builder(this)
-                   .setTitle(R.string.RedPhone_number_not_registered)
-                   .setIcon(R.drawable.ic_warning)
-                   .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();
+        .setTitle(R.string.RedPhone_number_not_registered)
+        .setIcon(R.drawable.ic_warning)
+        .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) {
@@ -524,6 +550,12 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
     ApplicationDependencies.getSignalCallManager().requestUpdateGroupMembers();
   }
 
+  public void handleGroupMemberCountChange(int count) {
+    boolean canRing = count <= FeatureFlags.maxGroupCallRingSize() && FeatureFlags.groupCallRinging();
+    callScreen.enableRingGroup(canRing);
+    ApplicationDependencies.getSignalCallManager().setRingGroup(canRing);
+  }
+
   private void updateSpeakerHint(boolean showSpeakerHint) {
     if (showSpeakerHint) {
       callScreen.showSpeakerViewHint();
@@ -586,20 +618,34 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
     callScreen.setRecipient(event.getRecipient());
 
     switch (event.getState()) {
-      case CALL_PRE_JOIN:           handleCallPreJoin(event);                                                  break;
-      case CALL_CONNECTED:          handleCallConnected(event);                                                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(event);                                                 break;
-      case CALL_BUSY:               handleCallBusy();                                                          break;
-      case UNTRUSTED_IDENTITY:      handleUntrustedIdentity(event);                                            break;
+      case CALL_PRE_JOIN:
+        handleCallPreJoin(event); break;
+      case CALL_CONNECTED:
+        handleCallConnected(event); 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(event); break;
+      case CALL_BUSY:
+        handleCallBusy(); break;
+      case UNTRUSTED_IDENTITY:
+        handleUntrustedIdentity(event); break;
     }
 
     boolean enableVideo = event.getLocalParticipant().getCameraState().getCameraCount() > 0 && enableVideoIfAvailable;
@@ -615,6 +661,11 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
   private void handleCallPreJoin(@NonNull WebRtcViewModel event) {
     if (event.getGroupState().isNotIdle()) {
       callScreen.setStatusFromGroupCallState(event.getGroupState());
+      callScreen.setRingGroup(event.shouldRingGroup());
+
+      if (event.shouldRingGroup() && event.areRemoteDevicesInCall()) {
+        ApplicationDependencies.getSignalCallManager().setRingGroup(false);
+      }
     }
   }
 
@@ -729,5 +780,38 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
     public void onLocalPictureInPictureClicked() {
       viewModel.onLocalPictureInPictureClicked();
     }
+
+    @Override
+    public void onRingGroupChanged(boolean ringGroup, boolean ringingAllowed) {
+      if (ringingAllowed) {
+        ApplicationDependencies.getSignalCallManager().setRingGroup(ringGroup);
+      } else {
+        ApplicationDependencies.getSignalCallManager().setRingGroup(false);
+        Toast.makeText(WebRtcCallActivity.this, R.string.WebRtcCallActivity__group_is_too_large_to_ring_the_participants, Toast.LENGTH_SHORT).show();
+      }
+    }
+  }
+
+  private class WindowLayoutInfoConsumer implements Consumer<WindowLayoutInfo> {
+
+    @Override
+    public void accept(WindowLayoutInfo windowLayoutInfo) {
+      Log.d(TAG, "On WindowLayoutInfo accepted: " + windowLayoutInfo.toString());
+
+      Optional<DisplayFeature> feature = windowLayoutInfo.getDisplayFeatures().stream().filter(f -> f instanceof FoldingFeature).findFirst();
+      viewModel.setIsLandscapeEnabled(feature.isPresent());
+      setRequestedOrientation(feature.isPresent() ? ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED : ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+      if (feature.isPresent()) {
+        FoldingFeature foldingFeature = (FoldingFeature) feature.get();
+        Rect           bounds         = foldingFeature.getBounds();
+        if (foldingFeature.getState() == FoldingFeature.State.HALF_OPENED && bounds.top == bounds.bottom) {
+          Log.d(TAG, "OnWindowLayoutInfo accepted: ensure call view is in table-top display mode");
+          viewModel.setFoldableState(WebRtcControls.FoldableState.folded(bounds.top));
+        } else {
+          Log.d(TAG, "OnWindowLayoutInfo accepted: ensure call view is in flat display mode");
+          viewModel.setFoldableState(WebRtcControls.FoldableState.flat());
+        }
+      }
+    }
   }
 }

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

@@ -32,6 +32,7 @@ public class AudioCodec {
   private final AudioRecord audioRecord;
 
   private boolean running  = true;
+  private boolean failed   = false;
   private boolean finished = false;
 
   public AudioCodec() throws IOException {
@@ -76,10 +77,25 @@ public class AudioCodec {
         } catch (IOException e) {
           Log.w(TAG, e);
         } finally {
-          mediaCodec.stop();
-          audioRecord.stop();
 
-          mediaCodec.release();
+          try {
+            mediaCodec.stop();
+          } catch (IllegalStateException ise) {
+            Log.w(TAG, "mediaCodec stop failed.", ise);
+          }
+
+          try {
+            audioRecord.stop();
+          } catch (IllegalStateException ise) {
+            Log.w(TAG, "audioRecord stop failed.", ise);
+          }
+
+          try {
+            mediaCodec.release();
+          } catch (IllegalStateException ise) {
+            Log.w(TAG, "mediaCodec release failed. Probably already released.", ise);
+          }
+
           audioRecord.release();
 
           StreamUtil.close(outputStream);

app/src/main/java/org/thoughtcrime/securesms/avatar/Avatar.kt

@@ -0,0 +1,79 @@
+package org.thoughtcrime.securesms.avatar
+
+import android.net.Uri
+import org.thoughtcrime.securesms.R
+
+/**
+ * Represents an Avatar which the user can choose, edit, and render into a bitmap via the renderer.
+ */
+sealed class Avatar(
+  open val databaseId: DatabaseId
+) {
+  data class Resource(
+    val resourceId: Int,
+    val color: Avatars.ColorPair
+  ) : Avatar(DatabaseId.DoNotPersist) {
+    override fun isSameAs(other: Avatar): Boolean {
+      return other is Resource && other.resourceId == resourceId
+    }
+  }
+
+  data class Text(
+    val text: String,
+    val color: Avatars.ColorPair,
+    override val databaseId: DatabaseId,
+  ) : Avatar(databaseId) {
+    override fun withDatabaseId(databaseId: DatabaseId): Avatar {
+      return copy(databaseId = databaseId)
+    }
+
+    override fun isSameAs(other: Avatar): Boolean {
+      return other is Text && other.databaseId == databaseId
+    }
+  }
+
+  data class Vector(
+    val key: String,
+    val color: Avatars.ColorPair,
+    override val databaseId: DatabaseId,
+  ) : Avatar(databaseId) {
+    override fun withDatabaseId(databaseId: DatabaseId): Avatar {
+      return copy(databaseId = databaseId)
+    }
+
+    override fun isSameAs(other: Avatar): Boolean {
+      return other is Vector && other.key == key
+    }
+  }
+
+  data class Photo(
+    val uri: Uri,
+    val size: Long,
+    override val databaseId: DatabaseId
+  ) : Avatar(databaseId) {
+    override fun withDatabaseId(databaseId: DatabaseId): Avatar {
+      return copy(databaseId = databaseId)
+    }
+
+    override fun isSameAs(other: Avatar): Boolean {
+      return other is Photo && databaseId == other.databaseId
+    }
+  }
+
+  open fun withDatabaseId(databaseId: DatabaseId): Avatar {
+    throw UnsupportedOperationException()
+  }
+
+  abstract fun isSameAs(other: Avatar): Boolean
+
+  companion object {
+    fun getDefaultForSelf(): Resource = Resource(R.drawable.ic_profile_outline_40, Avatars.colors.random())
+    fun getDefaultForGroup(): Resource = Resource(R.drawable.ic_group_outline_40, Avatars.colors.random())
+  }
+
+  sealed class DatabaseId {
+    object DoNotPersist : DatabaseId()
+    object NotSet : DatabaseId()
+    data class Saved(val id: Long) : DatabaseId()
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/AvatarBundler.kt

@@ -0,0 +1,69 @@
+package org.thoughtcrime.securesms.avatar
+
+import android.os.Bundle
+import java.lang.IllegalStateException
+
+/**
+ * Utility class which encapsulates reading and writing Avatar objects to and from Bundles.
+ */
+object AvatarBundler {
+
+  private const val TEXT = "org.thoughtcrime.securesms.avatar.TEXT"
+  private const val COLOR = "org.thoughtcrime.securesms.avatar.COLOR"
+  private const val URI = "org.thoughtcrime.securesms.avatar.URI"
+  private const val KEY = "org.thoughtcrime.securesms.avatar.KEY"
+  private const val DATABASE_ID = "org.thoughtcrime.securesms.avatar.DATABASE_ID"
+  private const val SIZE = "org.thoughtcrime.securesms.avatar.SIZE"
+
+  fun bundleText(text: Avatar.Text): Bundle = Bundle().apply {
+    putString(TEXT, text.text)
+    putString(COLOR, text.color.code)
+    putDatabaseId(DATABASE_ID, text.databaseId)
+  }
+
+  fun extractText(bundle: Bundle): Avatar.Text = Avatar.Text(
+    text = requireNotNull(bundle.getString(TEXT)),
+    color = Avatars.colorMap[bundle.getString(COLOR)] ?: throw IllegalStateException(),
+    databaseId = bundle.getDatabaseId()
+  )
+
+  fun bundlePhoto(photo: Avatar.Photo): Bundle = Bundle().apply {
+    putParcelable(URI, photo.uri)
+    putLong(SIZE, photo.size)
+    putDatabaseId(DATABASE_ID, photo.databaseId)
+  }
+
+  fun extractPhoto(bundle: Bundle): Avatar.Photo = Avatar.Photo(
+    uri = requireNotNull(bundle.getParcelable(URI)),
+    size = bundle.getLong(SIZE),
+    databaseId = bundle.getDatabaseId()
+  )
+
+  fun bundleVector(vector: Avatar.Vector): Bundle = Bundle().apply {
+    putString(KEY, vector.key)
+    putString(COLOR, vector.color.code)
+    putDatabaseId(DATABASE_ID, vector.databaseId)
+  }
+
+  fun extractVector(bundle: Bundle): Avatar.Vector = Avatar.Vector(
+    key = requireNotNull(bundle.getString(KEY)),
+    color = Avatars.colorMap[bundle.getString(COLOR)] ?: throw IllegalStateException(),
+    databaseId = bundle.getDatabaseId()
+  )
+
+  private fun Bundle.getDatabaseId(): Avatar.DatabaseId {
+    val id = getLong(DATABASE_ID, -1L)
+
+    return if (id == -1L) {
+      Avatar.DatabaseId.NotSet
+    } else {
+      Avatar.DatabaseId.Saved(id)
+    }
+  }
+
+  private fun Bundle.putDatabaseId(key: String, databaseId: Avatar.DatabaseId) {
+    if (databaseId is Avatar.DatabaseId.Saved) {
+      putLong(key, databaseId.id)
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/AvatarColorItem.kt

@@ -0,0 +1,42 @@
+package org.thoughtcrime.securesms.avatar
+
+import android.view.View
+import android.widget.ImageView
+import com.airbnb.lottie.SimpleColorFilter
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.util.MappingAdapter
+import org.thoughtcrime.securesms.util.MappingModel
+import org.thoughtcrime.securesms.util.MappingViewHolder
+
+typealias OnAvatarColorClickListener = (Avatars.ColorPair) -> Unit
+
+/**
+ * Selectable color item for choosing colors when editing a Text or Vector avatar.
+ */
+data class AvatarColorItem(
+  val colors: Avatars.ColorPair,
+  val selected: Boolean
+) {
+
+  companion object {
+    fun registerViewHolder(adapter: MappingAdapter, onAvatarColorClickListener: OnAvatarColorClickListener) {
+      adapter.registerFactory(Model::class.java, MappingAdapter.LayoutFactory({ ViewHolder(it, onAvatarColorClickListener) }, R.layout.avatar_color_item))
+    }
+  }
+
+  class Model(val colorItem: AvatarColorItem) : MappingModel<Model> {
+    override fun areItemsTheSame(newItem: Model): Boolean = newItem.colorItem.colors == colorItem.colors
+    override fun areContentsTheSame(newItem: Model): Boolean = newItem.colorItem == colorItem
+  }
+
+  private class ViewHolder(itemView: View, private val onAvatarColorClickListener: OnAvatarColorClickListener) : MappingViewHolder<Model>(itemView) {
+
+    private val imageView: ImageView = findViewById(R.id.avatar_color_item)
+
+    override fun bind(model: Model) {
+      itemView.setOnClickListener { onAvatarColorClickListener(model.colorItem.colors) }
+      imageView.background.colorFilter = SimpleColorFilter(model.colorItem.colors.backgroundColor)
+      imageView.isSelected = model.colorItem.selected
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/AvatarPickerStorage.kt

@@ -0,0 +1,55 @@
+package org.thoughtcrime.securesms.avatar
+
+import android.content.Context
+import android.net.Uri
+import android.webkit.MimeTypeMap
+import org.thoughtcrime.securesms.database.DatabaseFactory
+import org.thoughtcrime.securesms.mediasend.Media
+import org.thoughtcrime.securesms.mms.PartAuthority
+import org.thoughtcrime.securesms.util.MediaUtil
+import org.thoughtcrime.securesms.util.storage.FileStorage
+import java.io.InputStream
+
+object AvatarPickerStorage {
+
+  private const val DIRECTORY = "avatar_picker"
+  private const val FILENAME_BASE = "avatar"
+
+  @JvmStatic
+  fun read(context: Context, fileName: String) = FileStorage.read(context, DIRECTORY, fileName)
+
+  fun save(context: Context, media: Media): Uri {
+    val fileName = FileStorage.save(context, PartAuthority.getAttachmentStream(context, media.uri), DIRECTORY, FILENAME_BASE, MediaUtil.getExtension(context, media.uri) ?: "")
+
+    return PartAuthority.getAvatarPickerUri(fileName)
+  }
+
+  fun save(context: Context, inputStream: InputStream): Uri {
+    val fileName = FileStorage.save(context, inputStream, DIRECTORY, FILENAME_BASE, MimeTypeMap.getSingleton().getExtensionFromMimeType(MediaUtil.IMAGE_JPEG) ?: "")
+
+    return PartAuthority.getAvatarPickerUri(fileName)
+  }
+
+  @JvmStatic
+  fun cleanOrphans(context: Context) {
+    val avatarFiles = FileStorage.getAllFiles(context, DIRECTORY, FILENAME_BASE)
+    val database = DatabaseFactory.getAvatarPickerDatabase(context)
+    val photoAvatars = database
+      .getAllAvatars()
+      .filterIsInstance<Avatar.Photo>()
+
+    val inDatabaseFileNames = photoAvatars.map { PartAuthority.getAvatarPickerFilename(it.uri) }
+    val onDiskFileNames = avatarFiles.map { it.name }
+
+    val inDatabaseButNotOnDisk = inDatabaseFileNames - onDiskFileNames
+    val onDiskButNotInDatabase = onDiskFileNames - inDatabaseFileNames
+
+    avatarFiles
+      .filter { onDiskButNotInDatabase.contains(it.name) }
+      .forEach { it.delete() }
+
+    photoAvatars
+      .filter { inDatabaseButNotOnDisk.contains(PartAuthority.getAvatarPickerFilename(it.uri)) }
+      .forEach { database.deleteAvatar(it) }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/AvatarRenderer.kt

@@ -0,0 +1,132 @@
+package org.thoughtcrime.securesms.avatar
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.Canvas
+import android.graphics.Typeface
+import android.graphics.drawable.Drawable
+import android.net.Uri
+import androidx.appcompat.content.res.AppCompatResources
+import com.airbnb.lottie.SimpleColorFilter
+import org.signal.core.util.concurrent.SignalExecutors
+import org.thoughtcrime.securesms.mediasend.Media
+import org.thoughtcrime.securesms.mms.PartAuthority
+import org.thoughtcrime.securesms.profiles.AvatarHelper
+import org.thoughtcrime.securesms.providers.BlobProvider
+import org.thoughtcrime.securesms.util.MediaUtil
+import org.whispersystems.libsignal.util.guava.Optional
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
+import java.io.IOException
+import javax.annotation.meta.Exhaustive
+
+/**
+ * Renders Avatar objects into Media objects. This can involve creating a Bitmap, depending on the
+ * type of Avatar passed to `renderAvatar`
+ */
+object AvatarRenderer {
+
+  val DIMENSIONS = AvatarHelper.AVATAR_DIMENSIONS
+
+  fun getTypeface(context: Context): Typeface {
+    return Typeface.createFromAsset(context.assets, "fonts/Inter-Medium.otf")
+  }
+
+  fun renderAvatar(context: Context, avatar: Avatar, onAvatarRendered: (Media) -> Unit, onRenderFailed: (Throwable?) -> Unit) {
+    @Exhaustive
+    when (avatar) {
+      is Avatar.Resource -> renderResource(context, avatar, onAvatarRendered, onRenderFailed)
+      is Avatar.Vector -> renderVector(context, avatar, onAvatarRendered, onRenderFailed)
+      is Avatar.Photo -> renderPhoto(context, avatar, onAvatarRendered)
+      is Avatar.Text -> renderText(context, avatar, onAvatarRendered, onRenderFailed)
+    }
+  }
+
+  @JvmStatic
+  fun createTextDrawable(
+    context: Context,
+    avatar: Avatar.Text,
+    inverted: Boolean = false,
+    size: Int = DIMENSIONS,
+  ): Drawable {
+    return TextAvatarDrawable(context, avatar, inverted, size)
+  }
+
+  private fun renderVector(context: Context, avatar: Avatar.Vector, onAvatarRendered: (Media) -> Unit, onRenderFailed: (Throwable?) -> Unit) {
+    renderInBackground(context, onAvatarRendered, onRenderFailed) { canvas ->
+      val drawableResourceId = Avatars.getDrawableResource(avatar.key) ?: return@renderInBackground Result.failure(Exception("Drawable resource for key ${avatar.key} does not exist."))
+      val vector: Drawable = requireNotNull(AppCompatResources.getDrawable(context, drawableResourceId))
+      vector.setBounds(0, 0, DIMENSIONS, DIMENSIONS)
+
+      canvas.drawColor(avatar.color.backgroundColor)
+      vector.draw(canvas)
+      Result.success(Unit)
+    }
+  }
+
+  private fun renderText(context: Context, avatar: Avatar.Text, onAvatarRendered: (Media) -> Unit, onRenderFailed: (Throwable?) -> Unit) {
+    renderInBackground(context, onAvatarRendered, onRenderFailed) { canvas ->
+      val textDrawable = createTextDrawable(context, avatar)
+
+      canvas.drawColor(avatar.color.backgroundColor)
+      textDrawable.draw(canvas)
+      Result.success(Unit)
+    }
+  }
+
+  private fun renderPhoto(context: Context, avatar: Avatar.Photo, onAvatarRendered: (Media) -> Unit) {
+    SignalExecutors.BOUNDED.execute {
+      val blob = BlobProvider.getInstance()
+        .forData(AvatarPickerStorage.read(context, PartAuthority.getAvatarPickerFilename(avatar.uri)), avatar.size)
+        .createForSingleSessionOnDisk(context)
+
+      onAvatarRendered(createMedia(blob, avatar.size))
+    }
+  }
+
+  private fun renderResource(context: Context, avatar: Avatar.Resource, onAvatarRendered: (Media) -> Unit, onRenderFailed: (Throwable?) -> Unit) {
+    renderInBackground(context, onAvatarRendered, onRenderFailed) { canvas ->
+      val resource: Drawable = requireNotNull(AppCompatResources.getDrawable(context, avatar.resourceId))
+      resource.colorFilter = SimpleColorFilter(avatar.color.foregroundColor)
+
+      val padding = (DIMENSIONS * 0.2).toInt()
+      resource.setBounds(0 + padding, 0 + padding, DIMENSIONS - padding, DIMENSIONS - padding)
+
+      canvas.drawColor(avatar.color.backgroundColor)
+      resource.draw(canvas)
+      Result.success(Unit)
+    }
+  }
+
+  private fun renderInBackground(context: Context, onAvatarRendered: (Media) -> Unit, onRenderFailed: (Throwable?) -> Unit, drawAvatar: (Canvas) -> Result<Unit>) {
+    SignalExecutors.BOUNDED.execute {
+      val canvasBitmap = Bitmap.createBitmap(DIMENSIONS, DIMENSIONS, Bitmap.Config.ARGB_8888)
+      val canvas = Canvas(canvasBitmap)
+
+      val drawResult = drawAvatar(canvas)
+      if (drawResult.isFailure) {
+        canvasBitmap.recycle()
+        onRenderFailed(drawResult.exceptionOrNull())
+      }
+
+      val outStream = ByteArrayOutputStream()
+      val compressed = canvasBitmap.compress(Bitmap.CompressFormat.JPEG, 80, outStream)
+      canvasBitmap.recycle()
+
+      if (!compressed) {
+        onRenderFailed(IOException("Failed to compress bitmap"))
+        return@execute
+      }
+
+      val bytes = outStream.toByteArray()
+      val inStream = ByteArrayInputStream(bytes)
+      val uri = BlobProvider.getInstance().forData(inStream, bytes.size.toLong()).createForSingleSessionOnDisk(context)
+
+      onAvatarRendered(createMedia(uri, bytes.size.toLong()))
+    }
+  }
+
+  private fun createMedia(uri: Uri, size: Long): Media {
+    return Media(uri, MediaUtil.IMAGE_JPEG, System.currentTimeMillis(), DIMENSIONS, DIMENSIONS, size, 0, false, false, Optional.absent(), Optional.absent(), Optional.absent())
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/Avatars.kt

@@ -0,0 +1,153 @@
+package org.thoughtcrime.securesms.avatar
+
+import android.content.Context
+import android.graphics.Paint
+import androidx.annotation.ColorInt
+import androidx.annotation.DrawableRes
+import androidx.annotation.Px
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.conversation.colors.AvatarColor
+import kotlin.math.abs
+import kotlin.math.min
+
+object Avatars {
+
+  /**
+   * Enum class mirroring AvatarColors codes but utilizing foreground colors for text or icon tinting.
+   */
+  enum class ForegroundColor(private val code: String, @ColorInt val colorInt: Int) {
+    A100("A100", 0xFF3838F5.toInt()),
+    A110("A110", 0xFF1251D3.toInt()),
+    A120("A120", 0xFF086DA0.toInt()),
+    A130("A130", 0xFF067906.toInt()),
+    A140("A140", 0xFF661AFF.toInt()),
+    A150("A150", 0xFF9F00F0.toInt()),
+    A160("A160", 0xFFB8057C.toInt()),
+    A170("A170", 0xFFBE0404.toInt()),
+    A180("A180", 0xFF836B01.toInt()),
+    A190("A190", 0xFF7D6F40.toInt()),
+    A200("A200", 0xFF4F4F6D.toInt()),
+    A210("A210", 0xFF5C5C5C.toInt());
+
+    fun deserialize(code: String): ForegroundColor {
+      return values().find { it.code == code } ?: throw IllegalArgumentException()
+    }
+
+    fun serialize(): String = code
+  }
+
+  /**
+   * Mapping which associates color codes to ColorPair objects containing background and foreground colors.
+   */
+  val colorMap: Map<String, ColorPair> = ForegroundColor.values().map {
+    ColorPair(AvatarColor.deserialize(it.serialize()), it)
+  }.associateBy {
+    it.code
+  }
+
+  val colors: List<ColorPair> = colorMap.values.toList()
+
+  val defaultAvatarsForSelf = linkedMapOf(
+    "avatar_abstract_01" to DefaultAvatar(R.drawable.ic_avatar_abstract_01, "A130"),
+    "avatar_abstract_02" to DefaultAvatar(R.drawable.ic_avatar_abstract_02, "A120"),
+    "avatar_abstract_03" to DefaultAvatar(R.drawable.ic_avatar_abstract_03, "A170"),
+    "avatar_cat" to DefaultAvatar(R.drawable.ic_avatar_cat, "A190"),
+    "avatar_dog" to DefaultAvatar(R.drawable.ic_avatar_dog, "A140"),
+    "avatar_fox" to DefaultAvatar(R.drawable.ic_avatar_fox, "A190"),
+    "avatar_tucan" to DefaultAvatar(R.drawable.ic_avatar_tucan, "A120"),
+    "avatar_sloth" to DefaultAvatar(R.drawable.ic_avatar_sloth, "A160"),
+    "avatar_dinosaur" to DefaultAvatar(R.drawable.ic_avatar_dinosour, "A130"),
+    "avatar_pig" to DefaultAvatar(R.drawable.ic_avatar_pig, "A180"),
+    "avatar_incognito" to DefaultAvatar(R.drawable.ic_avatar_incognito, "A220"),
+    "avatar_ghost" to DefaultAvatar(R.drawable.ic_avatar_ghost, "A100")
+  )
+
+  val defaultAvatarsForGroup = linkedMapOf(
+    "avatar_heart" to DefaultAvatar(R.drawable.ic_avatar_heart, "A180"),
+    "avatar_house" to DefaultAvatar(R.drawable.ic_avatar_house, "A120"),
+    "avatar_melon" to DefaultAvatar(R.drawable.ic_avatar_melon, "A110"),
+    "avatar_drink" to DefaultAvatar(R.drawable.ic_avatar_drink, "A170"),
+    "avatar_celebration" to DefaultAvatar(R.drawable.ic_avatar_celebration, "A100"),
+    "avatar_balloon" to DefaultAvatar(R.drawable.ic_avatar_balloon, "A220"),
+    "avatar_book" to DefaultAvatar(R.drawable.ic_avatar_book, "A100"),
+    "avatar_briefcase" to DefaultAvatar(R.drawable.ic_avatar_briefcase, "A180"),
+    "avatar_sunset" to DefaultAvatar(R.drawable.ic_avatar_sunset, "A120"),
+    "avatar_surfboard" to DefaultAvatar(R.drawable.ic_avatar_surfboard, "A110"),
+    "avatar_soccerball" to DefaultAvatar(R.drawable.ic_avatar_soccerball, "A130"),
+    "avatar_football" to DefaultAvatar(R.drawable.ic_avatar_football, "A220"),
+  )
+
+  @DrawableRes
+  fun getDrawableResource(key: String): Int? {
+    val defaultAvatar = defaultAvatarsForSelf.getOrDefault(key, defaultAvatarsForGroup[key])
+
+    return defaultAvatar?.vectorDrawableId
+  }
+
+  private fun textPaint(context: Context) = Paint().apply {
+    isAntiAlias = true
+    typeface = AvatarRenderer.getTypeface(context)
+    textSize = 1f
+  }
+
+  /**
+   * Calculate the text size for a give string using a maximum desired width and a maximum desired font size.
+   */
+  @JvmStatic
+  fun getTextSizeForLength(context: Context, text: String, @Px maxWidth: Float, @Px maxSize: Float): Float {
+    val paint = textPaint(context)
+    return branchSizes(0f, maxWidth / 2, maxWidth, maxSize, paint, text)
+  }
+
+  /**
+   * Uses binary search to determine optimal font size to within 1% given the input parameters.
+   */
+  private fun branchSizes(@Px lastFontSize: Float, @Px fontSize: Float, @Px target: Float, @Px maxFontSize: Float, paint: Paint, text: String): Float {
+    paint.textSize = fontSize
+    val textWidth = paint.measureText(text)
+    val delta = abs(lastFontSize - fontSize) / 2f
+    val isWithinThreshold = abs(1f - (textWidth / target)) <= 0.01f
+
+    if (textWidth == 0f) {
+      return maxFontSize
+    }
+
+    if (delta == 0f) {
+      return min(maxFontSize, fontSize)
+    }
+
+    return when {
+      fontSize >= maxFontSize -> {
+        maxFontSize
+      }
+      isWithinThreshold -> {
+        fontSize
+      }
+      textWidth > target -> {
+        branchSizes(fontSize, fontSize - delta, target, maxFontSize, paint, text)
+      }
+      else -> {
+        branchSizes(fontSize, fontSize + delta, target, maxFontSize, paint, text)
+      }
+    }
+  }
+
+  @JvmStatic
+  fun getForegroundColor(avatarColor: AvatarColor): ForegroundColor {
+    return ForegroundColor.values().firstOrNull { it.serialize() == avatarColor.serialize() } ?: ForegroundColor.A210
+  }
+
+  data class DefaultAvatar(
+    @DrawableRes val vectorDrawableId: Int,
+    val colorCode: String
+  )
+
+  data class ColorPair(
+    val backgroundAvatarColor: AvatarColor,
+    val foregroundAvatarColor: ForegroundColor
+  ) {
+    @ColorInt val backgroundColor: Int = backgroundAvatarColor.colorInt()
+    @ColorInt val foregroundColor: Int = foregroundAvatarColor.colorInt
+    val code: String = backgroundAvatarColor.serialize()
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/TextAvatarDrawable.kt

@@ -0,0 +1,59 @@
+package org.thoughtcrime.securesms.avatar
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.ColorFilter
+import android.graphics.PixelFormat
+import android.graphics.drawable.Drawable
+import android.util.TypedValue
+import android.view.Gravity
+import android.widget.FrameLayout
+import androidx.core.view.updateLayoutParams
+import org.thoughtcrime.securesms.components.emoji.EmojiTextView
+
+/**
+ * Uses EmojiTextView to properly render a Text Avatar with emoji in it.
+ */
+class TextAvatarDrawable(
+  context: Context,
+  avatar: Avatar.Text,
+  inverted: Boolean = false,
+  private val size: Int = AvatarRenderer.DIMENSIONS,
+) : Drawable() {
+
+  private val layout: FrameLayout = FrameLayout(context)
+  private val textView: EmojiTextView = EmojiTextView(context)
+
+  init {
+    textView.typeface = AvatarRenderer.getTypeface(context)
+    textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, Avatars.getTextSizeForLength(context, avatar.text, size * 0.8f, size * 0.45f))
+    textView.text = avatar.text
+    textView.gravity = Gravity.CENTER
+    textView.setTextColor(if (inverted) avatar.color.backgroundColor else avatar.color.foregroundColor)
+    textView.setForceCustomEmoji(true)
+
+    layout.addView(textView)
+
+    textView.updateLayoutParams {
+      width = size
+      height = size
+    }
+
+    layout.measure(size, size)
+    layout.layout(0, 0, size, size)
+  }
+
+  override fun getIntrinsicHeight(): Int = size
+
+  override fun getIntrinsicWidth(): Int = size
+
+  override fun draw(canvas: Canvas) {
+    layout.draw(canvas)
+  }
+
+  override fun setAlpha(alpha: Int) = Unit
+
+  override fun setColorFilter(colorFilter: ColorFilter?) = Unit
+
+  override fun getOpacity(): Int = PixelFormat.OPAQUE
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/photo/PhotoEditorFragment.kt

@@ -0,0 +1,75 @@
+package org.thoughtcrime.securesms.avatar.photo
+
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.commit
+import androidx.fragment.app.setFragmentResult
+import androidx.navigation.Navigation
+import org.signal.core.util.ThreadUtil
+import org.signal.core.util.concurrent.SignalExecutors
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.avatar.AvatarBundler
+import org.thoughtcrime.securesms.avatar.AvatarPickerStorage
+import org.thoughtcrime.securesms.database.DatabaseFactory
+import org.thoughtcrime.securesms.providers.BlobProvider
+import org.thoughtcrime.securesms.scribbles.ImageEditorFragment
+
+class PhotoEditorFragment : Fragment(R.layout.avatar_photo_editor_fragment), ImageEditorFragment.Controller {
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    val args = PhotoEditorFragmentArgs.fromBundle(requireArguments())
+    val photo = AvatarBundler.extractPhoto(args.photoAvatar)
+    val imageEditorFragment = ImageEditorFragment.newInstanceForAvatarEdit(photo.uri)
+
+    childFragmentManager.commit {
+      add(R.id.fragment_container, imageEditorFragment, IMAGE_EDITOR)
+    }
+  }
+
+  override fun onTouchEventsNeeded(needed: Boolean) {
+  }
+
+  override fun onRequestFullScreen(fullScreen: Boolean, hideKeyboard: Boolean) {
+  }
+
+  override fun onDoneEditing() {
+    val args = PhotoEditorFragmentArgs.fromBundle(requireArguments())
+    val applicationContext = requireContext().applicationContext
+    val imageEditorFragment: ImageEditorFragment = childFragmentManager.findFragmentByTag(IMAGE_EDITOR) as ImageEditorFragment
+
+    SignalExecutors.BOUNDED.execute {
+      val editedImageUri = imageEditorFragment.renderToSingleUseBlob()
+      val size = BlobProvider.getFileSize(editedImageUri) ?: 0
+      val inputStream = BlobProvider.getInstance().getStream(applicationContext, editedImageUri)
+      val onDiskUri = AvatarPickerStorage.save(applicationContext, inputStream)
+      val photo = AvatarBundler.extractPhoto(args.photoAvatar)
+      val database = DatabaseFactory.getAvatarPickerDatabase(applicationContext)
+      val newPhoto = photo.copy(uri = onDiskUri, size = size)
+
+      database.update(newPhoto)
+      BlobProvider.getInstance().delete(requireContext(), photo.uri)
+
+      ThreadUtil.runOnMain {
+        setFragmentResult(REQUEST_KEY_EDIT, AvatarBundler.bundlePhoto(newPhoto))
+        Navigation.findNavController(requireView()).popBackStack()
+      }
+    }
+  }
+
+  override fun onCancelEditing() {
+    Navigation.findNavController(requireView()).popBackStack()
+  }
+
+  override fun onMainImageLoaded() {
+  }
+
+  override fun onMainImageFailedToLoad() {
+  }
+
+  companion object {
+    const val REQUEST_KEY_EDIT = "org.thoughtcrime.securesms.avatar.photo.EDIT"
+
+    private const val IMAGE_EDITOR = "image_editor"
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/picker/AvatarPickerFragment.kt

@@ -0,0 +1,243 @@
+package org.thoughtcrime.securesms.avatar.picker
+
+import android.Manifest
+import android.app.Activity
+import android.content.Intent
+import android.os.Bundle
+import android.view.Gravity
+import android.view.View
+import android.widget.PopupMenu
+import android.widget.Toast
+import androidx.appcompat.widget.Toolbar
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.setFragmentResult
+import androidx.fragment.app.setFragmentResultListener
+import androidx.fragment.app.viewModels
+import androidx.navigation.Navigation
+import androidx.recyclerview.widget.RecyclerView
+import org.signal.core.util.ThreadUtil
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.avatar.Avatar
+import org.thoughtcrime.securesms.avatar.AvatarBundler
+import org.thoughtcrime.securesms.avatar.photo.PhotoEditorFragment
+import org.thoughtcrime.securesms.avatar.text.TextAvatarCreationFragment
+import org.thoughtcrime.securesms.avatar.vector.VectorAvatarCreationFragment
+import org.thoughtcrime.securesms.components.ButtonStripItemView
+import org.thoughtcrime.securesms.components.recyclerview.GridDividerDecoration
+import org.thoughtcrime.securesms.groups.ParcelableGroupId
+import org.thoughtcrime.securesms.mediasend.AvatarSelectionActivity
+import org.thoughtcrime.securesms.mediasend.Media
+import org.thoughtcrime.securesms.permissions.Permissions
+import org.thoughtcrime.securesms.util.MappingAdapter
+import org.thoughtcrime.securesms.util.ViewUtil
+import org.thoughtcrime.securesms.util.visible
+
+/**
+ * Primary Avatar picker fragment, displays current user avatar and a list of recently used avatars and defaults.
+ */
+class AvatarPickerFragment : Fragment(R.layout.avatar_picker_fragment) {
+
+  companion object {
+    const val REQUEST_KEY_SELECT_AVATAR = "org.thoughtcrime.securesms.avatar.picker.SELECT_AVATAR"
+    const val SELECT_AVATAR_MEDIA = "org.thoughtcrime.securesms.avatar.picker.SELECT_AVATAR_MEDIA"
+    const val SELECT_AVATAR_CLEAR = "org.thoughtcrime.securesms.avatar.picker.SELECT_AVATAR_CLEAR"
+
+    private const val REQUEST_CODE_SELECT_IMAGE = 1
+  }
+
+  private val viewModel: AvatarPickerViewModel by viewModels(factoryProducer = this::createFactory)
+
+  private lateinit var recycler: RecyclerView
+
+  private fun createFactory(): AvatarPickerViewModel.Factory {
+    val args = AvatarPickerFragmentArgs.fromBundle(requireArguments())
+    val groupId = ParcelableGroupId.get(args.groupId)
+
+    return AvatarPickerViewModel.Factory(AvatarPickerRepository(requireContext()), groupId, args.isNewGroup, args.groupAvatarMedia)
+  }
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    val toolbar: Toolbar = view.findViewById(R.id.avatar_picker_toolbar)
+    val cameraButton: ButtonStripItemView = view.findViewById(R.id.avatar_picker_camera)
+    val photoButton: ButtonStripItemView = view.findViewById(R.id.avatar_picker_photo)
+    val textButton: ButtonStripItemView = view.findViewById(R.id.avatar_picker_text)
+    val saveButton: View = view.findViewById(R.id.avatar_picker_save)
+    val clearButton: View = view.findViewById(R.id.avatar_picker_clear)
+
+    recycler = view.findViewById(R.id.avatar_picker_recycler)
+    recycler.addItemDecoration(GridDividerDecoration(4, ViewUtil.dpToPx(16)))
+
+    val adapter = MappingAdapter()
+    AvatarPickerItem.register(adapter, this::onAvatarClick, this::onAvatarLongClick)
+
+    recycler.adapter = adapter
+
+    val avatarViewHolder = AvatarPickerItem.ViewHolder(view)
+
+    viewModel.state.observe(viewLifecycleOwner) { state ->
+      if (state.currentAvatar != null) {
+        avatarViewHolder.bind(AvatarPickerItem.Model(state.currentAvatar, false))
+      }
+
+      clearButton.visible = state.canClear
+
+      val wasEnabled = saveButton.isEnabled
+      saveButton.isEnabled = state.canSave
+      if (wasEnabled != state.canSave) {
+        val alpha = if (state.canSave) 1f else 0.5f
+        saveButton.animate().cancel()
+        saveButton.animate().alpha(alpha)
+      }
+
+      val items = state.selectableAvatars.map { AvatarPickerItem.Model(it, it == state.currentAvatar) }
+      val selectedPosition = items.indexOfFirst { it.isSelected }
+
+      adapter.submitList(items) {
+        if (selectedPosition > -1)
+          recycler.smoothScrollToPosition(selectedPosition)
+      }
+    }
+
+    toolbar.setNavigationOnClickListener { Navigation.findNavController(it).popBackStack() }
+    cameraButton.setOnIconClickedListener { openCameraCapture() }
+    photoButton.setOnIconClickedListener { openGallery() }
+    textButton.setOnIconClickedListener { openTextEditor(null) }
+    saveButton.setOnClickListener { v ->
+      viewModel.save(
+        {
+          setFragmentResult(
+            REQUEST_KEY_SELECT_AVATAR,
+            Bundle().apply {
+              putParcelable(SELECT_AVATAR_MEDIA, it)
+            }
+          )
+          ThreadUtil.runOnMain { Navigation.findNavController(v).popBackStack() }
+        },
+        {
+          setFragmentResult(
+            REQUEST_KEY_SELECT_AVATAR,
+            Bundle().apply {
+              putBoolean(SELECT_AVATAR_CLEAR, true)
+            }
+          )
+          ThreadUtil.runOnMain { Navigation.findNavController(v).popBackStack() }
+        }
+      )
+    }
+    clearButton.setOnClickListener { viewModel.clear() }
+
+    setFragmentResultListener(TextAvatarCreationFragment.REQUEST_KEY_TEXT) { _, bundle ->
+      val text = AvatarBundler.extractText(bundle)
+      viewModel.onAvatarEditCompleted(text)
+    }
+
+    setFragmentResultListener(VectorAvatarCreationFragment.REQUEST_KEY_VECTOR) { _, bundle ->
+      val vector = AvatarBundler.extractVector(bundle)
+      viewModel.onAvatarEditCompleted(vector)
+    }
+
+    setFragmentResultListener(PhotoEditorFragment.REQUEST_KEY_EDIT) { _, bundle ->
+      val photo = AvatarBundler.extractPhoto(bundle)
+      viewModel.onAvatarEditCompleted(photo)
+    }
+  }
+
+  override fun onResume() {
+    super.onResume()
+    ViewUtil.hideKeyboard(requireContext(), requireView())
+  }
+
+  override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+    if (requestCode == REQUEST_CODE_SELECT_IMAGE && resultCode == Activity.RESULT_OK && data != null) {
+      val media: Media = requireNotNull(data.getParcelableExtra(AvatarSelectionActivity.EXTRA_MEDIA))
+      viewModel.onAvatarPhotoSelectionCompleted(media)
+    } else {
+      super.onActivityResult(requestCode, resultCode, data)
+    }
+  }
+
+  private fun onAvatarClick(avatar: Avatar, isSelected: Boolean) {
+    if (isSelected) {
+      openEditor(avatar)
+    } else {
+      viewModel.onAvatarSelectedFromGrid(avatar)
+    }
+  }
+
+  private fun onAvatarLongClick(anchorView: View, avatar: Avatar): Boolean {
+    val menuRes = when (avatar) {
+      is Avatar.Photo -> R.menu.avatar_picker_context
+      is Avatar.Text -> R.menu.avatar_picker_context
+      is Avatar.Vector -> return true
+      is Avatar.Resource -> return true
+    }
+
+    val popup = PopupMenu(context, anchorView, Gravity.TOP)
+    popup.menuInflater.inflate(menuRes, popup.menu)
+    popup.setOnMenuItemClickListener { menuItem ->
+      when (menuItem.itemId) {
+        R.id.action_delete -> viewModel.delete(avatar)
+      }
+
+      true
+    }
+    popup.show()
+
+    return true
+  }
+
+  fun openEditor(avatar: Avatar) {
+    when (avatar) {
+      is Avatar.Photo -> openPhotoEditor(avatar)
+      is Avatar.Resource -> throw UnsupportedOperationException()
+      is Avatar.Text -> openTextEditor(avatar)
+      is Avatar.Vector -> openVectorEditor(avatar)
+    }
+  }
+
+  private fun openPhotoEditor(photo: Avatar.Photo) {
+    Navigation.findNavController(requireView())
+      .navigate(AvatarPickerFragmentDirections.actionAvatarPickerFragmentToAvatarPhotoEditorFragment(AvatarBundler.bundlePhoto(photo)))
+  }
+
+  private fun openVectorEditor(vector: Avatar.Vector) {
+    Navigation.findNavController(requireView())
+      .navigate(AvatarPickerFragmentDirections.actionAvatarPickerFragmentToVectorAvatarCreationFragment(AvatarBundler.bundleVector(vector)))
+  }
+
+  private fun openTextEditor(text: Avatar.Text?) {
+    val bundle = if (text != null) AvatarBundler.bundleText(text) else null
+    Navigation.findNavController(requireView())
+      .navigate(AvatarPickerFragmentDirections.actionAvatarPickerFragmentToTextAvatarCreationFragment(bundle))
+  }
+
+  private fun openCameraCapture() {
+    Permissions.with(this)
+      .request(Manifest.permission.CAMERA)
+      .ifNecessary()
+      .onAllGranted {
+        val intent = AvatarSelectionActivity.getIntentForCameraCapture(requireContext())
+        startActivityForResult(intent, REQUEST_CODE_SELECT_IMAGE)
+      }
+      .onAnyDenied {
+        Toast.makeText(requireContext(), R.string.AvatarSelectionBottomSheetDialogFragment__taking_a_photo_requires_the_camera_permission, Toast.LENGTH_SHORT)
+          .show()
+      }
+      .execute()
+  }
+
+  private fun openGallery() {
+    Permissions.with(this)
+      .request(Manifest.permission.READ_EXTERNAL_STORAGE)
+      .ifNecessary()
+      .onAllGranted {
+        val intent = AvatarSelectionActivity.getIntentForGallery(requireContext())
+        startActivityForResult(intent, REQUEST_CODE_SELECT_IMAGE)
+      }
+      .onAnyDenied {
+        Toast.makeText(requireContext(), R.string.AvatarSelectionBottomSheetDialogFragment__viewing_your_gallery_requires_the_storage_permission, Toast.LENGTH_SHORT)
+          .show()
+      }
+      .execute()
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/picker/AvatarPickerItem.kt

@@ -0,0 +1,147 @@
+package org.thoughtcrime.securesms.avatar.picker
+
+import android.util.TypedValue
+import android.view.View
+import android.widget.EditText
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.appcompat.content.res.AppCompatResources
+import androidx.core.view.setPadding
+import com.airbnb.lottie.SimpleColorFilter
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.avatar.Avatar
+import org.thoughtcrime.securesms.avatar.AvatarRenderer
+import org.thoughtcrime.securesms.avatar.Avatars
+import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader
+import org.thoughtcrime.securesms.mms.GlideApp
+import org.thoughtcrime.securesms.util.MappingAdapter
+import org.thoughtcrime.securesms.util.MappingModel
+import org.thoughtcrime.securesms.util.MappingViewHolder
+import org.thoughtcrime.securesms.util.visible
+
+typealias OnAvatarClickListener = (Avatar, Boolean) -> Unit
+typealias OnAvatarLongClickListener = (View, Avatar) -> Boolean
+
+object AvatarPickerItem {
+
+  private val SELECTION_CHANGED = Any()
+
+  fun register(adapter: MappingAdapter, onAvatarClickListener: OnAvatarClickListener, onAvatarLongClickListener: OnAvatarLongClickListener) {
+    adapter.registerFactory(Model::class.java, MappingAdapter.LayoutFactory({ ViewHolder(it, onAvatarClickListener, onAvatarLongClickListener) }, R.layout.avatar_picker_item))
+  }
+
+  class Model(val avatar: Avatar, val isSelected: Boolean) : MappingModel<Model> {
+    override fun areItemsTheSame(newItem: Model): Boolean = avatar.isSameAs(newItem.avatar)
+
+    override fun areContentsTheSame(newItem: Model): Boolean = avatar == newItem.avatar && isSelected == newItem.isSelected
+
+    override fun getChangePayload(newItem: Model): Any? {
+      return if (newItem.avatar == avatar && isSelected != newItem.isSelected) {
+        SELECTION_CHANGED
+      } else {
+        null
+      }
+    }
+  }
+
+  class ViewHolder(
+    itemView: View,
+    private val onAvatarClickListener: OnAvatarClickListener? = null,
+    private val onAvatarLongClickListener: OnAvatarLongClickListener? = null
+  ) : MappingViewHolder<Model>(itemView) {
+
+    private val imageView: ImageView = itemView.findViewById(R.id.avatar_picker_item_image)
+    private val textView: TextView = itemView.findViewById(R.id.avatar_picker_item_text)
+    private val selectedFader: View? = itemView.findViewById(R.id.avatar_picker_item_fader)
+    private val selectedOverlay: View? = itemView.findViewById(R.id.avatar_picker_item_selection_overlay)
+
+    init {
+      textView.typeface = AvatarRenderer.getTypeface(context)
+      textView.addOnLayoutChangeListener { _, _, _, _, _, _, _, _, _ ->
+        updateFontSize(textView.text.toString())
+      }
+    }
+
+    private fun updateFontSize(text: String) {
+      val textSize = Avatars.getTextSizeForLength(context, text, textView.measuredWidth * 0.8f, textView.measuredHeight * 0.45f)
+      textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize)
+
+      if (textView !is EditText) {
+        textView.text = text
+      }
+    }
+
+    override fun bind(model: Model) {
+      val alpha = if (model.isSelected) 1f else 0f
+      val scale = if (model.isSelected) 0.9f else 1f
+
+      imageView.animate().cancel()
+      textView.animate().cancel()
+      selectedOverlay?.animate()?.cancel()
+      selectedFader?.animate()?.cancel()
+
+      itemView.setOnLongClickListener {
+        onAvatarLongClickListener?.invoke(itemView, model.avatar) ?: false
+      }
+
+      itemView.setOnClickListener { onAvatarClickListener?.invoke(model.avatar, model.isSelected) }
+
+      if (payload.isNotEmpty() && payload.contains(SELECTION_CHANGED)) {
+        imageView.animate().scaleX(scale).scaleY(scale)
+        textView.animate().scaleX(scale).scaleY(scale)
+        selectedOverlay?.animate()?.alpha(alpha)
+        selectedFader?.animate()?.alpha(alpha)
+        return
+      }
+
+      imageView.scaleX = scale
+      imageView.scaleY = scale
+      textView.scaleX = scale
+      textView.scaleY = scale
+      selectedFader?.alpha = alpha
+      selectedOverlay?.alpha = alpha
+
+      imageView.clearColorFilter()
+      imageView.setPadding(0)
+
+      when (model.avatar) {
+        is Avatar.Text -> {
+          textView.visible = true
+
+          updateFontSize(model.avatar.text)
+          if (textView.text.toString() != model.avatar.text) {
+            textView.text = model.avatar.text
+          }
+
+          imageView.setImageDrawable(null)
+          imageView.background.colorFilter = SimpleColorFilter(model.avatar.color.backgroundColor)
+          textView.setTextColor(model.avatar.color.foregroundColor)
+        }
+        is Avatar.Vector -> {
+          textView.visible = false
+
+          val drawableId = Avatars.getDrawableResource(model.avatar.key)
+          if (drawableId == null) {
+            imageView.setImageDrawable(null)
+          } else {
+            imageView.setImageDrawable(AppCompatResources.getDrawable(context, drawableId))
+          }
+
+          imageView.background.colorFilter = SimpleColorFilter(model.avatar.color.backgroundColor)
+        }
+        is Avatar.Photo -> {
+          textView.visible = false
+          GlideApp.with(imageView).load(DecryptableStreamUriLoader.DecryptableUri(model.avatar.uri)).into(imageView)
+        }
+        is Avatar.Resource -> {
+          imageView.setPadding((imageView.width * 0.2).toInt())
+          textView.visible = false
+          GlideApp.with(imageView).clear(imageView)
+          imageView.setImageResource(model.avatar.resourceId)
+          imageView.colorFilter = SimpleColorFilter(model.avatar.color.foregroundColor)
+          imageView.background.colorFilter = SimpleColorFilter(model.avatar.color.backgroundColor)
+        }
+      }
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/picker/AvatarPickerRepository.kt

@@ -0,0 +1,189 @@
+package org.thoughtcrime.securesms.avatar.picker
+
+import android.content.Context
+import android.net.Uri
+import android.widget.Toast
+import io.reactivex.rxjava3.core.Single
+import org.signal.core.util.StreamUtil
+import org.signal.core.util.ThreadUtil
+import org.signal.core.util.concurrent.SignalExecutors
+import org.signal.core.util.logging.Log
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.avatar.Avatar
+import org.thoughtcrime.securesms.avatar.AvatarPickerStorage
+import org.thoughtcrime.securesms.avatar.AvatarRenderer
+import org.thoughtcrime.securesms.avatar.Avatars
+import org.thoughtcrime.securesms.conversation.colors.AvatarColor
+import org.thoughtcrime.securesms.database.DatabaseFactory
+import org.thoughtcrime.securesms.groups.GroupId
+import org.thoughtcrime.securesms.mediasend.Media
+import org.thoughtcrime.securesms.profiles.AvatarHelper
+import org.thoughtcrime.securesms.providers.BlobProvider
+import org.thoughtcrime.securesms.recipients.Recipient
+import org.thoughtcrime.securesms.util.NameUtil
+import org.whispersystems.signalservice.api.util.StreamDetails
+import java.io.IOException
+
+private val TAG = Log.tag(AvatarPickerRepository::class.java)
+
+class AvatarPickerRepository(context: Context) {
+
+  private val applicationContext = context.applicationContext
+
+  fun getAvatarForSelf(): Single<Avatar> = Single.fromCallable {
+    val details: StreamDetails? = AvatarHelper.getSelfProfileAvatarStream(applicationContext)
+    if (details != null) {
+      try {
+        val bytes = StreamUtil.readFully(details.stream)
+        Avatar.Photo(
+          BlobProvider.getInstance().forData(bytes).createForSingleSessionInMemory(),
+          details.length,
+          Avatar.DatabaseId.DoNotPersist
+        )
+      } catch (e: IOException) {
+        Log.w(TAG, "Failed to read avatar!")
+        getDefaultAvatarForSelf()
+      }
+    } else {
+      getDefaultAvatarForSelf()
+    }
+  }
+
+  fun getAvatarForGroup(groupId: GroupId): Single<Avatar> = Single.fromCallable {
+    val recipient = Recipient.externalGroupExact(applicationContext, groupId)
+
+    if (AvatarHelper.hasAvatar(applicationContext, recipient.id)) {
+      try {
+        val bytes = AvatarHelper.getAvatarBytes(applicationContext, recipient.id)
+        Avatar.Photo(
+          BlobProvider.getInstance().forData(bytes).createForSingleSessionInMemory(),
+          AvatarHelper.getAvatarLength(applicationContext, recipient.id),
+          Avatar.DatabaseId.DoNotPersist
+        )
+      } catch (e: IOException) {
+        Log.w(TAG, "Failed to read group avatar!")
+        getDefaultAvatarForGroup(recipient.avatarColor)
+      }
+    } else {
+      getDefaultAvatarForGroup(recipient.avatarColor)
+    }
+  }
+
+  fun getPersistedAvatarsForSelf(): Single<List<Avatar>> = Single.fromCallable {
+    DatabaseFactory.getAvatarPickerDatabase(applicationContext).getAvatarsForSelf()
+  }
+
+  fun getPersistedAvatarsForGroup(groupId: GroupId): Single<List<Avatar>> = Single.fromCallable {
+    DatabaseFactory.getAvatarPickerDatabase(applicationContext).getAvatarsForGroup(groupId)
+  }
+
+  fun getDefaultAvatarsForSelf(): Single<List<Avatar>> = Single.fromCallable {
+    Avatars.defaultAvatarsForSelf.entries.mapIndexed { index, entry ->
+      Avatar.Vector(entry.key, color = Avatars.colors[index % Avatars.colors.size], Avatar.DatabaseId.NotSet)
+    }
+  }
+
+  fun getDefaultAvatarsForGroup(): Single<List<Avatar>> = Single.fromCallable {
+    Avatars.defaultAvatarsForGroup.entries.mapIndexed { index, entry ->
+      Avatar.Vector(entry.key, color = Avatars.colors[index % Avatars.colors.size], Avatar.DatabaseId.NotSet)
+    }
+  }
+
+  fun writeMediaToMultiSessionStorage(media: Media, onMediaWrittenToMultiSessionStorage: (Uri) -> Unit) {
+    SignalExecutors.BOUNDED.execute {
+      onMediaWrittenToMultiSessionStorage(AvatarPickerStorage.save(applicationContext, media))
+    }
+  }
+
+  fun persistAvatarForSelf(avatar: Avatar, onPersisted: (Avatar) -> Unit) {
+    SignalExecutors.BOUNDED.execute {
+      val avatarDatabase = DatabaseFactory.getAvatarPickerDatabase(applicationContext)
+      val savedAvatar = avatarDatabase.saveAvatarForSelf(avatar)
+      avatarDatabase.markUsage(savedAvatar)
+      onPersisted(savedAvatar)
+    }
+  }
+
+  fun persistAvatarForGroup(avatar: Avatar, groupId: GroupId, onPersisted: (Avatar) -> Unit) {
+    SignalExecutors.BOUNDED.execute {
+      val avatarDatabase = DatabaseFactory.getAvatarPickerDatabase(applicationContext)
+      val savedAvatar = avatarDatabase.saveAvatarForGroup(avatar, groupId)
+      avatarDatabase.markUsage(savedAvatar)
+      onPersisted(savedAvatar)
+    }
+  }
+
+  fun persistAndCreateMediaForSelf(avatar: Avatar, onSaved: (Media) -> Unit) {
+    SignalExecutors.BOUNDED.execute {
+      if (avatar.databaseId !is Avatar.DatabaseId.DoNotPersist) {
+        persistAvatarForSelf(avatar) {
+          AvatarRenderer.renderAvatar(applicationContext, avatar, onSaved, this::handleRenderFailure)
+        }
+      } else {
+        AvatarRenderer.renderAvatar(applicationContext, avatar, onSaved, this::handleRenderFailure)
+      }
+    }
+  }
+
+  fun persistAndCreateMediaForGroup(avatar: Avatar, groupId: GroupId, onSaved: (Media) -> Unit) {
+    SignalExecutors.BOUNDED.execute {
+      if (avatar.databaseId !is Avatar.DatabaseId.DoNotPersist) {
+        persistAvatarForGroup(avatar, groupId) {
+          AvatarRenderer.renderAvatar(applicationContext, avatar, onSaved, this::handleRenderFailure)
+        }
+      } else {
+        AvatarRenderer.renderAvatar(applicationContext, avatar, onSaved, this::handleRenderFailure)
+      }
+    }
+  }
+
+  fun createMediaForNewGroup(avatar: Avatar, onSaved: (Media) -> Unit) {
+    SignalExecutors.BOUNDED.execute {
+      AvatarRenderer.renderAvatar(applicationContext, avatar, onSaved, this::handleRenderFailure)
+    }
+  }
+
+  fun handleRenderFailure(throwable: Throwable?) {
+    Log.w(TAG, "Failed to render avatar.", throwable)
+    ThreadUtil.postToMain {
+      Toast.makeText(applicationContext, R.string.AvatarPickerRepository__failed_to_save_avatar, Toast.LENGTH_SHORT).show()
+    }
+  }
+
+  fun getDefaultAvatarForSelf(): Avatar {
+    val initials = NameUtil.getAbbreviation(Recipient.self().getDisplayName(applicationContext))
+
+    return if (initials.isNullOrBlank()) {
+      Avatar.getDefaultForSelf()
+    } else {
+      Avatar.Text(initials, requireNotNull(Avatars.colorMap[Recipient.self().avatarColor.serialize()]), Avatar.DatabaseId.DoNotPersist)
+    }
+  }
+
+  fun getDefaultAvatarForGroup(groupId: GroupId): Avatar {
+    val recipient = Recipient.externalGroupExact(applicationContext, groupId)
+
+    return getDefaultAvatarForGroup(recipient.avatarColor)
+  }
+
+  fun getDefaultAvatarForGroup(color: AvatarColor?): Avatar {
+    val colorPair = Avatars.colorMap[color?.serialize()]
+    val defaultColor = Avatar.getDefaultForGroup()
+
+    return if (colorPair != null) {
+      defaultColor.copy(color = colorPair)
+    } else {
+      defaultColor
+    }
+  }
+
+  fun delete(avatar: Avatar, onDelete: () -> Unit) {
+    SignalExecutors.BOUNDED.execute {
+      if (avatar.databaseId is Avatar.DatabaseId.Saved) {
+        val avatarDatabase = DatabaseFactory.getAvatarPickerDatabase(applicationContext)
+        avatarDatabase.deleteAvatar(avatar)
+      }
+      onDelete()
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/picker/AvatarPickerState.kt

@@ -0,0 +1,11 @@
+package org.thoughtcrime.securesms.avatar.picker
+
+import org.thoughtcrime.securesms.avatar.Avatar
+
+data class AvatarPickerState(
+  val currentAvatar: Avatar? = null,
+  val selectableAvatars: List<Avatar> = listOf(),
+  val canSave: Boolean = false,
+  val canClear: Boolean = false,
+  val isCleared: Boolean = false
+)

app/src/main/java/org/thoughtcrime/securesms/avatar/picker/AvatarPickerViewModel.kt

@@ -0,0 +1,198 @@
+package org.thoughtcrime.securesms.avatar.picker
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import io.reactivex.rxjava3.core.Single
+import io.reactivex.rxjava3.disposables.CompositeDisposable
+import io.reactivex.rxjava3.schedulers.Schedulers
+import org.thoughtcrime.securesms.avatar.Avatar
+import org.thoughtcrime.securesms.groups.GroupId
+import org.thoughtcrime.securesms.mediasend.Media
+import org.thoughtcrime.securesms.util.livedata.Store
+
+sealed class AvatarPickerViewModel(private val repository: AvatarPickerRepository) : ViewModel() {
+
+  private val disposables = CompositeDisposable()
+  private val store = Store(AvatarPickerState())
+
+  val state: LiveData<AvatarPickerState> = store.stateLiveData
+
+  protected abstract fun getAvatar(): Single<Avatar>
+  protected abstract fun getDefaultAvatarFromRepository(): Avatar
+  protected abstract fun getPersistedAvatars(): Single<List<Avatar>>
+  protected abstract fun getDefaultAvatars(): Single<List<Avatar>>
+  protected abstract fun persistAvatar(avatar: Avatar, onPersisted: (Avatar) -> Unit)
+  protected abstract fun persistAndCreateMedia(avatar: Avatar, onSaved: (Media) -> Unit)
+
+  fun delete(avatar: Avatar) {
+    repository.delete(avatar) {
+      refreshAvatar()
+      refreshSelectableAvatars()
+    }
+  }
+
+  fun clear() {
+    store.update {
+      val avatar = getDefaultAvatarFromRepository()
+      it.copy(currentAvatar = avatar, canSave = true, canClear = false, isCleared = true)
+    }
+  }
+
+  fun save(onSaved: (Media) -> Unit, onCleared: () -> Unit) {
+    if (store.state.isCleared) {
+      onCleared()
+    } else {
+      val avatar = store.state.currentAvatar ?: throw AssertionError()
+      persistAndCreateMedia(avatar, onSaved)
+    }
+  }
+
+  fun onAvatarSelectedFromGrid(avatar: Avatar) {
+    store.update { it.copy(currentAvatar = avatar, canSave = isSaveable(avatar), canClear = true, isCleared = false) }
+  }
+
+  fun onAvatarEditCompleted(avatar: Avatar) {
+    persistAvatar(avatar) { saved ->
+      store.update { it.copy(currentAvatar = saved, canSave = isSaveable(saved), canClear = true, isCleared = false) }
+      refreshSelectableAvatars()
+    }
+  }
+
+  fun onAvatarPhotoSelectionCompleted(media: Media) {
+    repository.writeMediaToMultiSessionStorage(media) { multiSessionUri ->
+      persistAvatar(Avatar.Photo(multiSessionUri, media.size, Avatar.DatabaseId.NotSet)) { avatar ->
+        store.update { it.copy(currentAvatar = avatar, canSave = isSaveable(avatar), canClear = true, isCleared = false) }
+        refreshSelectableAvatars()
+      }
+    }
+  }
+
+  protected fun refreshAvatar() {
+    disposables.add(
+      getAvatar().subscribeOn(Schedulers.io()).subscribe { avatar ->
+        store.update { it.copy(currentAvatar = avatar, canSave = isSaveable(avatar), canClear = avatar is Avatar.Photo && !isSaveable(avatar), isCleared = false) }
+      }
+    )
+  }
+
+  protected fun refreshSelectableAvatars() {
+    disposables.add(
+      Single.zip(getPersistedAvatars(), getDefaultAvatars()) { custom, def ->
+        val customKeys = custom.filterIsInstance(Avatar.Vector::class.java).map { it.key }
+        custom + def.filterNot {
+          it is Avatar.Vector && customKeys.contains(it.key)
+        }
+      }.subscribeOn(Schedulers.io()).subscribe { avatars ->
+        store.update { it.copy(selectableAvatars = avatars) }
+      }
+    )
+  }
+
+  private fun isSaveable(avatar: Avatar) = avatar.databaseId != Avatar.DatabaseId.DoNotPersist
+
+  override fun onCleared() {
+    disposables.dispose()
+  }
+
+  private class SelfAvatarPickerViewModel(private val repository: AvatarPickerRepository) : AvatarPickerViewModel(repository) {
+
+    init {
+      refreshAvatar()
+      refreshSelectableAvatars()
+    }
+
+    override fun getAvatar(): Single<Avatar> = repository.getAvatarForSelf()
+    override fun getDefaultAvatarFromRepository(): Avatar = repository.getDefaultAvatarForSelf()
+    override fun getPersistedAvatars(): Single<List<Avatar>> = repository.getPersistedAvatarsForSelf()
+    override fun getDefaultAvatars(): Single<List<Avatar>> = repository.getDefaultAvatarsForSelf()
+
+    override fun persistAvatar(avatar: Avatar, onPersisted: (Avatar) -> Unit) {
+      repository.persistAvatarForSelf(avatar, onPersisted)
+    }
+
+    override fun persistAndCreateMedia(avatar: Avatar, onSaved: (Media) -> Unit) {
+      repository.persistAndCreateMediaForSelf(avatar, onSaved)
+    }
+  }
+
+  private class GroupAvatarPickerViewModel(
+    private val groupId: GroupId,
+    private val repository: AvatarPickerRepository,
+    groupAvatarMedia: Media?
+  ) : AvatarPickerViewModel(repository) {
+
+    private val initialAvatar: Avatar? = groupAvatarMedia?.let { Avatar.Photo(it.uri, it.size, Avatar.DatabaseId.DoNotPersist) }
+
+    init {
+      refreshAvatar()
+      refreshSelectableAvatars()
+    }
+
+    override fun getAvatar(): Single<Avatar> {
+      return if (initialAvatar != null) {
+        Single.just(initialAvatar)
+      } else {
+        repository.getAvatarForGroup(groupId)
+      }
+    }
+
+    override fun getDefaultAvatarFromRepository(): Avatar = repository.getDefaultAvatarForGroup(groupId)
+    override fun getPersistedAvatars(): Single<List<Avatar>> = repository.getPersistedAvatarsForGroup(groupId)
+    override fun getDefaultAvatars(): Single<List<Avatar>> = repository.getDefaultAvatarsForGroup()
+
+    override fun persistAvatar(avatar: Avatar, onPersisted: (Avatar) -> Unit) {
+      repository.persistAvatarForGroup(avatar, groupId, onPersisted)
+    }
+
+    override fun persistAndCreateMedia(avatar: Avatar, onSaved: (Media) -> Unit) {
+      repository.persistAndCreateMediaForGroup(avatar, groupId, onSaved)
+    }
+  }
+
+  private class NewGroupAvatarPickerViewModel(
+    private val repository: AvatarPickerRepository,
+    initialMedia: Media?
+  ) : AvatarPickerViewModel(repository) {
+
+    private val initialAvatar: Avatar? = initialMedia?.let { Avatar.Photo(it.uri, it.size, Avatar.DatabaseId.DoNotPersist) }
+
+    init {
+      refreshAvatar()
+      refreshSelectableAvatars()
+    }
+
+    override fun getAvatar(): Single<Avatar> {
+      return if (initialAvatar != null) {
+        Single.just(initialAvatar)
+      } else {
+        Single.fromCallable { getDefaultAvatarFromRepository() }
+      }
+    }
+
+    override fun getDefaultAvatarFromRepository(): Avatar = repository.getDefaultAvatarForGroup(null)
+    override fun getPersistedAvatars(): Single<List<Avatar>> = Single.just(listOf())
+    override fun getDefaultAvatars(): Single<List<Avatar>> = repository.getDefaultAvatarsForGroup()
+    override fun persistAvatar(avatar: Avatar, onPersisted: (Avatar) -> Unit) = onPersisted(avatar)
+    override fun persistAndCreateMedia(avatar: Avatar, onSaved: (Media) -> Unit) = repository.createMediaForNewGroup(avatar, onSaved)
+  }
+
+  class Factory(
+    private val repository: AvatarPickerRepository,
+    private val groupId: GroupId?,
+    private val isNewGroup: Boolean,
+    private val groupAvatarMedia: Media?
+  ) : ViewModelProvider.Factory {
+    override fun <T : ViewModel?> create(modelClass: Class<T>): T {
+      val viewModel = if (groupId == null && !isNewGroup) {
+        SelfAvatarPickerViewModel(repository)
+      } else if (groupId == null) {
+        NewGroupAvatarPickerViewModel(repository, groupAvatarMedia)
+      } else {
+        GroupAvatarPickerViewModel(groupId, repository, groupAvatarMedia)
+      }
+
+      return requireNotNull(modelClass.cast(viewModel))
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/text/TextAvatarCreationFragment.kt

@@ -0,0 +1,152 @@
+package org.thoughtcrime.securesms.avatar.text
+
+import android.os.Bundle
+import android.view.View
+import android.view.inputmethod.EditorInfo
+import android.widget.EditText
+import androidx.appcompat.widget.Toolbar
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.constraintlayout.widget.ConstraintSet
+import androidx.core.widget.doAfterTextChanged
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.setFragmentResult
+import androidx.fragment.app.viewModels
+import androidx.navigation.Navigation
+import androidx.recyclerview.widget.RecyclerView
+import androidx.transition.AutoTransition
+import androidx.transition.TransitionManager
+import com.google.android.material.tabs.TabLayout
+import org.signal.core.util.EditTextUtil
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.avatar.Avatar
+import org.thoughtcrime.securesms.avatar.AvatarBundler
+import org.thoughtcrime.securesms.avatar.AvatarColorItem
+import org.thoughtcrime.securesms.avatar.Avatars
+import org.thoughtcrime.securesms.avatar.picker.AvatarPickerItem
+import org.thoughtcrime.securesms.components.BoldSelectionTabItem
+import org.thoughtcrime.securesms.components.ControllableTabLayout
+import org.thoughtcrime.securesms.components.KeyboardAwareLinearLayout
+import org.thoughtcrime.securesms.components.recyclerview.GridDividerDecoration
+import org.thoughtcrime.securesms.util.MappingAdapter
+import org.thoughtcrime.securesms.util.ViewUtil
+
+/**
+ * Fragment to create an avatar based off of a Vector or Text (via a pager)
+ */
+class TextAvatarCreationFragment : Fragment(R.layout.text_avatar_creation_fragment) {
+
+  private val viewModel: TextAvatarCreationViewModel by viewModels(factoryProducer = this::createFactory)
+
+  private lateinit var textInput: EditText
+  private lateinit var recycler: RecyclerView
+  private lateinit var content: ConstraintLayout
+
+  private val withRecyclerSet = ConstraintSet()
+  private val withoutRecyclerSet = ConstraintSet()
+
+  private var hasBoundFromViewModel: Boolean = false
+
+  private fun createFactory(): TextAvatarCreationViewModel.Factory {
+    val args = TextAvatarCreationFragmentArgs.fromBundle(requireArguments())
+    val textBundle = args.textAvatar
+    val text = if (textBundle != null) {
+      AvatarBundler.extractText(textBundle)
+    } else {
+      Avatar.Text("", Avatars.colors.random(), Avatar.DatabaseId.NotSet)
+    }
+
+    return TextAvatarCreationViewModel.Factory(text)
+  }
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    val toolbar: Toolbar = view.findViewById(R.id.text_avatar_creation_toolbar)
+    val tabLayout: ControllableTabLayout = view.findViewById(R.id.text_avatar_creation_tabs)
+    val doneButton: View = view.findViewById(R.id.text_avatar_creation_done)
+    val keyboardAwareLayout: KeyboardAwareLinearLayout = view.findViewById(R.id.keyboard_aware_layout)
+
+    withRecyclerSet.load(requireContext(), R.layout.text_avatar_creation_fragment_content)
+    withoutRecyclerSet.load(requireContext(), R.layout.text_avatar_creation_fragment_content_hidden_recycler)
+
+    content = view.findViewById(R.id.content)
+    recycler = view.findViewById(R.id.text_avatar_creation_recycler)
+    textInput = view.findViewById(R.id.avatar_picker_item_text)
+
+    toolbar.setNavigationOnClickListener { Navigation.findNavController(it).popBackStack() }
+    BoldSelectionTabItem.registerListeners(tabLayout)
+
+    val onTabSelectedListener = OnTabSelectedListener()
+    tabLayout.addOnTabSelectedListener(onTabSelectedListener)
+    onTabSelectedListener.onTabSelected(requireNotNull(tabLayout.getTabAt(tabLayout.selectedTabPosition)))
+
+    val adapter = MappingAdapter()
+    recycler.addItemDecoration(GridDividerDecoration(4, ViewUtil.dpToPx(16)))
+    AvatarColorItem.registerViewHolder(adapter) {
+      viewModel.setColor(it)
+    }
+    recycler.adapter = adapter
+
+    val viewHolder = AvatarPickerItem.ViewHolder(view)
+    viewModel.state.observe(viewLifecycleOwner) { state ->
+      EditTextUtil.setCursorColor(textInput, state.currentAvatar.color.foregroundColor)
+      viewHolder.bind(AvatarPickerItem.Model(state.currentAvatar, false))
+
+      adapter.submitList(state.colors().map { AvatarColorItem.Model(it) })
+      hasBoundFromViewModel = true
+    }
+
+    EditTextUtil.addGraphemeClusterLimitFilter(textInput, 3)
+    textInput.doAfterTextChanged {
+      if (it != null && hasBoundFromViewModel) {
+        viewModel.setText(it.toString())
+      }
+    }
+
+    doneButton.setOnClickListener { v ->
+      setFragmentResult(REQUEST_KEY_TEXT, AvatarBundler.bundleText(viewModel.getCurrentAvatar()))
+      Navigation.findNavController(v).popBackStack()
+    }
+
+    textInput.setOnEditorActionListener { v, actionId, event ->
+      if (actionId == EditorInfo.IME_ACTION_NEXT) {
+        tabLayout.getTabAt(1)?.select()
+        true
+      } else {
+        false
+      }
+    }
+
+    keyboardAwareLayout.addOnKeyboardHiddenListener {
+      if (tabLayout.selectedTabPosition == 1) {
+        val transition = AutoTransition().setStartDelay(250L)
+        TransitionManager.endTransitions(content)
+        withRecyclerSet.applyTo(content)
+        TransitionManager.beginDelayedTransition(content, transition)
+      }
+    }
+  }
+
+  private inner class OnTabSelectedListener : TabLayout.OnTabSelectedListener {
+    override fun onTabSelected(tab: TabLayout.Tab) {
+      when (tab.position) {
+        0 -> {
+          textInput.isEnabled = true
+          ViewUtil.focusAndShowKeyboard(textInput)
+
+          withoutRecyclerSet.applyTo(content)
+          textInput.setSelection(textInput.length())
+        }
+        1 -> {
+          textInput.isEnabled = false
+          ViewUtil.hideKeyboard(requireContext(), textInput)
+        }
+      }
+    }
+
+    override fun onTabUnselected(tab: TabLayout.Tab?) = Unit
+    override fun onTabReselected(tab: TabLayout.Tab?) = Unit
+  }
+
+  companion object {
+    const val REQUEST_KEY_TEXT = "org.thoughtcrime.securesms.avatar.text.TEXT"
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/text/TextAvatarCreationState.kt

@@ -0,0 +1,11 @@
+package org.thoughtcrime.securesms.avatar.text
+
+import org.thoughtcrime.securesms.avatar.Avatar
+import org.thoughtcrime.securesms.avatar.AvatarColorItem
+import org.thoughtcrime.securesms.avatar.Avatars
+
+data class TextAvatarCreationState(
+  val currentAvatar: Avatar.Text,
+) {
+  fun colors(): List<AvatarColorItem> = Avatars.colors.map { AvatarColorItem(it, currentAvatar.color == it) }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/text/TextAvatarCreationViewModel.kt

@@ -0,0 +1,40 @@
+package org.thoughtcrime.securesms.avatar.text
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.Transformations
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import org.thoughtcrime.securesms.avatar.Avatar
+import org.thoughtcrime.securesms.avatar.Avatars
+import org.thoughtcrime.securesms.util.livedata.Store
+
+class TextAvatarCreationViewModel(initialText: Avatar.Text) : ViewModel() {
+
+  private val store = Store(TextAvatarCreationState(initialText))
+
+  val state: LiveData<TextAvatarCreationState> = Transformations.distinctUntilChanged(store.stateLiveData)
+
+  fun setColor(colorPair: Avatars.ColorPair) {
+    store.update { it.copy(currentAvatar = it.currentAvatar.copy(color = colorPair)) }
+  }
+
+  fun setText(text: String) {
+    store.update {
+      if (it.currentAvatar.text == text) {
+        it
+      } else {
+        it.copy(currentAvatar = it.currentAvatar.copy(text = text))
+      }
+    }
+  }
+
+  fun getCurrentAvatar(): Avatar.Text {
+    return store.state.currentAvatar
+  }
+
+  class Factory(private val initialText: Avatar.Text) : ViewModelProvider.Factory {
+    override fun <T : ViewModel?> create(modelClass: Class<T>): T {
+      return requireNotNull(modelClass.cast(TextAvatarCreationViewModel(initialText)))
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/vector/VectorAvatarCreationFragment.kt

@@ -0,0 +1,64 @@
+package org.thoughtcrime.securesms.avatar.vector
+
+import android.os.Bundle
+import android.view.View
+import android.widget.ImageView
+import androidx.appcompat.widget.Toolbar
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.setFragmentResult
+import androidx.fragment.app.viewModels
+import androidx.navigation.Navigation
+import androidx.recyclerview.widget.RecyclerView
+import com.airbnb.lottie.SimpleColorFilter
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.avatar.AvatarBundler
+import org.thoughtcrime.securesms.avatar.AvatarColorItem
+import org.thoughtcrime.securesms.avatar.Avatars
+import org.thoughtcrime.securesms.components.recyclerview.GridDividerDecoration
+import org.thoughtcrime.securesms.util.MappingAdapter
+import org.thoughtcrime.securesms.util.ViewUtil
+
+/**
+ * Fragment to create an avatar based off a default vector.
+ */
+class VectorAvatarCreationFragment : Fragment(R.layout.vector_avatar_creation_fragment) {
+
+  private val viewModel: VectorAvatarCreationViewModel by viewModels(factoryProducer = this::createFactory)
+
+  private fun createFactory(): VectorAvatarCreationViewModel.Factory {
+    val args = VectorAvatarCreationFragmentArgs.fromBundle(requireArguments())
+    val vectorBundle = args.vectorAvatar
+
+    return VectorAvatarCreationViewModel.Factory(AvatarBundler.extractVector(vectorBundle))
+  }
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    val toolbar: Toolbar = view.findViewById(R.id.vector_avatar_creation_toolbar)
+    val recycler: RecyclerView = view.findViewById(R.id.vector_avatar_creation_recycler)
+    val doneButton: View = view.findViewById(R.id.vector_avatar_creation_done)
+    val preview: ImageView = view.findViewById(R.id.vector_avatar_creation_image)
+
+    val adapter = MappingAdapter()
+    recycler.adapter = adapter
+    recycler.addItemDecoration(GridDividerDecoration(4, ViewUtil.dpToPx(16)))
+    AvatarColorItem.registerViewHolder(adapter) {
+      viewModel.setColor(it)
+    }
+
+    viewModel.state.observe(viewLifecycleOwner) { state ->
+      preview.background.colorFilter = SimpleColorFilter(state.currentAvatar.color.backgroundColor)
+      preview.setImageResource(requireNotNull(Avatars.getDrawableResource(state.currentAvatar.key)))
+      adapter.submitList(state.colors().map { AvatarColorItem.Model(it) })
+    }
+
+    toolbar.setNavigationOnClickListener { Navigation.findNavController(view).popBackStack() }
+    doneButton.setOnClickListener {
+      setFragmentResult(REQUEST_KEY_VECTOR, AvatarBundler.bundleVector(viewModel.getCurrentAvatar()))
+      Navigation.findNavController(it).popBackStack()
+    }
+  }
+
+  companion object {
+    const val REQUEST_KEY_VECTOR = "org.thoughtcrime.securesms.avatar.text.VECTOR"
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/vector/VectorAvatarCreationState.kt

@@ -0,0 +1,11 @@
+package org.thoughtcrime.securesms.avatar.vector
+
+import org.thoughtcrime.securesms.avatar.Avatar
+import org.thoughtcrime.securesms.avatar.AvatarColorItem
+import org.thoughtcrime.securesms.avatar.Avatars
+
+data class VectorAvatarCreationState(
+  val currentAvatar: Avatar.Vector,
+) {
+  fun colors(): List<AvatarColorItem> = Avatars.colors.map { AvatarColorItem(it, currentAvatar.color == it) }
+}

app/src/main/java/org/thoughtcrime/securesms/avatar/vector/VectorAvatarCreationViewModel.kt

@@ -0,0 +1,27 @@
+package org.thoughtcrime.securesms.avatar.vector
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import org.thoughtcrime.securesms.avatar.Avatar
+import org.thoughtcrime.securesms.avatar.Avatars
+import org.thoughtcrime.securesms.util.livedata.Store
+
+class VectorAvatarCreationViewModel(initialAvatar: Avatar.Vector) : ViewModel() {
+
+  private val store = Store(VectorAvatarCreationState(initialAvatar))
+
+  val state: LiveData<VectorAvatarCreationState> = store.stateLiveData
+
+  fun setColor(colorPair: Avatars.ColorPair) {
+    store.update { it.copy(currentAvatar = it.currentAvatar.copy(color = colorPair)) }
+  }
+
+  fun getCurrentAvatar() = store.state.currentAvatar
+
+  class Factory(private val initialAvatar: Avatar.Vector) : ViewModelProvider.Factory {
+    override fun <T : ViewModel?> create(modelClass: Class<T>): T {
+      return requireNotNull(modelClass.cast(VectorAvatarCreationViewModel(initialAvatar)))
+    }
+  }
+}

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

@@ -13,7 +13,7 @@ import androidx.documentfile.provider.DocumentFile;
 import com.annimon.stream.function.Predicate;
 import com.google.protobuf.ByteString;
 
-import net.sqlcipher.database.SQLiteDatabase;
+import net.zetetic.database.sqlcipher.SQLiteDatabase;
 
 import org.greenrobot.eventbus.EventBus;
 import org.signal.core.util.Conversions;
@@ -38,6 +38,7 @@ 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.database.model.AvatarPickerDatabase;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
 import org.thoughtcrime.securesms.keyvalue.KeyValueDataSet;
 import org.thoughtcrime.securesms.keyvalue.SignalStore;
@@ -84,7 +85,8 @@ public class FullBackupExporter extends FullBackupBase {
     EmojiSearchDatabase.TABLE_NAME,
     SenderKeyDatabase.TABLE_NAME,
     SenderKeySharedDatabase.TABLE_NAME,
-    PendingRetryReceiptDatabase.TABLE_NAME
+    PendingRetryReceiptDatabase.TABLE_NAME,
+    AvatarPickerDatabase.TABLE_NAME
   );
 
   public static void export(@NonNull Context context,

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

@@ -11,7 +11,7 @@ import android.util.Pair;
 
 import androidx.annotation.NonNull;
 
-import net.sqlcipher.database.SQLiteDatabase;
+import net.zetetic.database.sqlcipher.SQLiteDatabase;
 
 import org.greenrobot.eventbus.EventBus;
 import org.signal.core.util.Conversions;

app/src/main/java/org/thoughtcrime/securesms/blocked/BlockedUsersActivity.java

@@ -1,6 +1,5 @@
 package org.thoughtcrime.securesms.blocked;
 
-import android.app.AlertDialog;
 import android.content.Intent;
 import android.graphics.Color;
 import android.os.Bundle;
@@ -8,10 +7,12 @@ import android.view.View;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.StringRes;
+import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.Toolbar;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProviders;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.snackbar.Snackbar;
 
 import org.thoughtcrime.securesms.ContactSelectionListFragment;
@@ -25,6 +26,8 @@ import org.thoughtcrime.securesms.util.DynamicNoActionBarTheme;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.whispersystems.libsignal.util.guava.Optional;
 
+import java.util.function.Consumer;
+
 public class BlockedUsersActivity extends PassphraseRequiredActivity implements BlockedUsersFragment.Listener, ContactSelectionListFragment.OnContactSelectedListener {
 
   private static final String CONTACT_SELECTION_FRAGMENT = "Contact.Selection.Fragment";
@@ -84,24 +87,24 @@ public class BlockedUsersActivity extends PassphraseRequiredActivity implements
   }
 
   @Override
-  public boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number) {
+  public void onBeforeContactSelected(Optional<RecipientId> recipientId, String number, Consumer<Boolean> callback) {
     final String displayName = recipientId.transform(id -> Recipient.resolved(id).getDisplayName(this)).or(number);
 
-    AlertDialog confirmationDialog = new AlertDialog.Builder(BlockedUsersActivity.this)
-                                                    .setTitle(R.string.BlockedUsersActivity__block_user)
-                                                    .setMessage(getString(R.string.BlockedUserActivity__s_will_not_be_able_to, displayName))
-                                                    .setPositiveButton(R.string.BlockedUsersActivity__block, (dialog, which) -> {
-                                                      if (recipientId.isPresent()) {
-                                                        viewModel.block(recipientId.get());
-                                                      } else {
-                                                        viewModel.createAndBlock(number);
-                                                      }
-                                                      dialog.dismiss();
-                                                      onBackPressed();
-                                                    })
-                                                    .setNegativeButton(android.R.string.cancel, (dialog, which) -> dialog.dismiss())
-                                                    .setCancelable(true)
-                                                    .create();
+    AlertDialog confirmationDialog = new MaterialAlertDialogBuilder(this)
+        .setTitle(R.string.BlockedUsersActivity__block_user)
+        .setMessage(getString(R.string.BlockedUserActivity__s_will_not_be_able_to, displayName))
+        .setPositiveButton(R.string.BlockedUsersActivity__block, (dialog, which) -> {
+          if (recipientId.isPresent()) {
+            viewModel.block(recipientId.get());
+          } else {
+            viewModel.createAndBlock(number);
+          }
+          dialog.dismiss();
+          onBackPressed();
+        })
+        .setNegativeButton(android.R.string.cancel, (dialog, which) -> dialog.dismiss())
+        .setCancelable(true)
+        .create();
 
     confirmationDialog.setOnShowListener(dialog -> {
       confirmationDialog.getButton(AlertDialog.BUTTON_POSITIVE).setTextColor(Color.RED);
@@ -109,7 +112,7 @@ public class BlockedUsersActivity extends PassphraseRequiredActivity implements
 
     confirmationDialog.show();
 
-    return false;
+    callback.accept(false);
   }
 
   @Override

app/src/main/java/org/thoughtcrime/securesms/blocked/BlockedUsersAdapter.java

@@ -13,6 +13,7 @@ import androidx.recyclerview.widget.RecyclerView;
 
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.components.AvatarImageView;
+import org.thoughtcrime.securesms.phonenumbers.PhoneNumberFormatter;
 import org.thoughtcrime.securesms.recipients.Recipient;
 
 import java.util.Objects;
@@ -63,7 +64,7 @@ final class BlockedUsersAdapter extends ListAdapter<Recipient, BlockedUsersAdapt
       displayName.setText(recipient.getDisplayName(itemView.getContext()));
 
       if (recipient.hasAUserSetDisplayName(itemView.getContext())) {
-        String identifier = recipient.getE164().or(recipient.getUsername()).orNull();
+        String identifier = recipient.getE164().transform(PhoneNumberFormatter::prettyPrint).or(recipient.getUsername()).orNull();
 
         if (identifier != null) {
           numberOrUsername.setText(identifier);

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

@@ -346,7 +346,7 @@ public final class AudioView extends FrameLayout {
     }
 
     if (duration != null && durationMillis > 0) {
-      long remainingSecs = TimeUnit.MILLISECONDS.toSeconds(durationMillis - millis);
+      long remainingSecs = Math.max(0, TimeUnit.MILLISECONDS.toSeconds(durationMillis - millis));
       duration.setText(getResources().getString(R.string.AudioView_duration, remainingSecs / 60, remainingSecs % 60));
     }
 

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

@@ -106,7 +106,7 @@ public final class AvatarImageView extends AppCompatImageView {
 
     outlinePaint = ThemeUtil.isDarkTheme(context) ? DARK_THEME_OUTLINE_PAINT : LIGHT_THEME_OUTLINE_PAINT;
 
-    unknownRecipientDrawable = new ResourceContactPhoto(R.drawable.ic_profile_outline_40, R.drawable.ic_profile_outline_20).asDrawable(context, AvatarColor.UNKNOWN.colorInt(), inverted);
+    unknownRecipientDrawable = new ResourceContactPhoto(R.drawable.ic_profile_outline_40, R.drawable.ic_profile_outline_20).asDrawable(context, AvatarColor.UNKNOWN, inverted);
     blurred                  = false;
     chatColors               = null;
   }
@@ -248,7 +248,7 @@ public final class AvatarImageView extends AppCompatImageView {
       requestManager.clear(this);
       if (fallbackPhotoProvider != null) {
         setImageDrawable(fallbackPhotoProvider.getPhotoForRecipientWithoutName()
-                                              .asDrawable(getContext(), AvatarColor.UNKNOWN.colorInt(), inverted));
+                                              .asDrawable(getContext(), AvatarColor.UNKNOWN, inverted));
       } else {
         setImageDrawable(unknownRecipientDrawable);
       }
@@ -285,7 +285,7 @@ public final class AvatarImageView extends AppCompatImageView {
   {
     Drawable fallback = Util.firstNonNull(fallbackPhotoProvider, Recipient.DEFAULT_FALLBACK_PHOTO_PROVIDER)
                             .getPhotoForGroup()
-                            .asDrawable(getContext(), color.colorInt());
+                            .asDrawable(getContext(), color);
 
     GlideApp.with(this)
             .load(avatarBytes)

app/src/main/java/org/thoughtcrime/securesms/components/BoldSelectionTabItem.kt

@@ -0,0 +1,88 @@
+package org.thoughtcrime.securesms.components
+
+import android.content.Context
+import android.util.AttributeSet
+import android.widget.FrameLayout
+import android.widget.TextView
+import androidx.core.widget.doAfterTextChanged
+import com.google.android.material.tabs.TabLayout
+import org.thoughtcrime.securesms.R
+import java.util.Objects
+
+/**
+ * Custom View for Tabs which will render bold text when the view is selected
+ */
+class BoldSelectionTabItem @JvmOverloads constructor(
+  context: Context,
+  attrs: AttributeSet? = null,
+  defStyleAttr: Int = 0
+) : FrameLayout(context, attrs, defStyleAttr) {
+
+  private lateinit var unselectedTextView: TextView
+  private lateinit var selectedTextView: TextView
+
+  override fun onFinishInflate() {
+    super.onFinishInflate()
+
+    unselectedTextView = findViewById(android.R.id.text1)
+    selectedTextView = findViewById(R.id.text1_bold)
+
+    unselectedTextView.doAfterTextChanged {
+      selectedTextView.text = it
+    }
+  }
+
+  fun select() {
+    unselectedTextView.alpha = 0f
+    selectedTextView.alpha = 1f
+  }
+
+  fun unselect() {
+    unselectedTextView.alpha = 1f
+    selectedTextView.alpha = 0f
+  }
+
+  companion object {
+    @JvmStatic
+    fun registerListeners(tabLayout: ControllableTabLayout) {
+      val newTabListener = NewTabListener()
+      val onTabSelectedListener = OnTabSelectedListener()
+
+      (0 until tabLayout.tabCount).mapNotNull { tabLayout.getTabAt(it) }.forEach {
+        newTabListener.onNewTab(it)
+
+        if (it.isSelected) {
+          onTabSelectedListener.onTabSelected(it)
+        } else {
+          onTabSelectedListener.onTabUnselected(it)
+        }
+      }
+
+      tabLayout.setNewTabListener(newTabListener)
+      tabLayout.addOnTabSelectedListener(onTabSelectedListener)
+    }
+  }
+
+  private class NewTabListener : ControllableTabLayout.NewTabListener {
+    override fun onNewTab(tab: TabLayout.Tab) {
+      val customView = tab.customView
+      if (customView == null) {
+        tab.setCustomView(R.layout.bold_selection_tab_item)
+      }
+    }
+  }
+
+  private class OnTabSelectedListener : TabLayout.OnTabSelectedListener {
+    override fun onTabSelected(tab: TabLayout.Tab) {
+      val view = Objects.requireNonNull(tab.customView) as BoldSelectionTabItem
+      view.select()
+    }
+
+    override fun onTabUnselected(tab: TabLayout.Tab) {
+      val view = Objects.requireNonNull(tab.customView) as BoldSelectionTabItem
+      view.unselect()
+    }
+
+    override fun onTabReselected(tab: TabLayout.Tab) = Unit
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/ButtonStripItemView.kt

@@ -0,0 +1,41 @@
+package org.thoughtcrime.securesms.components
+
+import android.content.Context
+import android.util.AttributeSet
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import org.thoughtcrime.securesms.R
+
+class ButtonStripItemView @JvmOverloads constructor(
+  context: Context,
+  attrs: AttributeSet? = null,
+  defStyleAttr: Int = 0
+) : ConstraintLayout(context, attrs, defStyleAttr) {
+
+  private val iconView: ImageView
+  private val labelView: TextView
+
+  init {
+    inflate(context, R.layout.button_strip_item_view, this)
+
+    iconView = findViewById(R.id.icon)
+    labelView = findViewById(R.id.label)
+
+    val array = context.obtainStyledAttributes(attrs, R.styleable.ButtonStripItemView)
+
+    val icon = array.getDrawable(R.styleable.ButtonStripItemView_bsiv_icon)
+    val contentDescription = array.getString(R.styleable.ButtonStripItemView_bsiv_icon_contentDescription)
+    val label = array.getString(R.styleable.ButtonStripItemView_bsiv_label)
+
+    iconView.setImageDrawable(icon)
+    iconView.contentDescription = contentDescription
+    labelView.text = label
+
+    array.recycle()
+  }
+
+  fun setOnIconClickedListener(onIconClickedListener: (() -> Unit)?) {
+    iconView.setOnClickListener { onIconClickedListener?.invoke() }
+  }
+}

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

@@ -15,6 +15,7 @@ import android.widget.ImageView;
 import android.widget.LinearLayout;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.StringRes;
 import androidx.core.widget.TextViewCompat;
 
@@ -101,7 +102,6 @@ public final class ContactFilterView extends FrameLayout {
 
     expandTapArea(toggleContainer, dialpadToggle);
     applyAttributes(searchText, context, attrs, defStyleAttr);
-    searchText.requestFocus();
   }
 
   private void applyAttributes(@NonNull EditText searchText,
@@ -121,6 +121,16 @@ public final class ContactFilterView extends FrameLayout {
     if (!attributes.getBoolean(R.styleable.ContactFilterToolbar_showDialpad, true)) {
       dialpadToggle.setVisibility(GONE);
     }
+
+    if (attributes.getBoolean(R.styleable.ContactFilterToolbar_cfv_autoFocus, true)) {
+      searchText.requestFocus();
+    }
+
+    int backgroundRes = attributes.getResourceId(R.styleable.ContactFilterToolbar_cfv_background, -1);
+    if (backgroundRes != -1) {
+      findViewById(R.id.background_holder).setBackgroundResource(backgroundRes);
+    }
+
     attributes.recycle();
   }
 
@@ -137,6 +147,10 @@ public final class ContactFilterView extends FrameLayout {
     this.listener = listener;
   }
 
+  public void setOnSearchInputFocusChangedListener(@Nullable OnFocusChangeListener listener) {
+    searchText.setOnFocusChangeListener(listener);
+  }
+
   public void setHint(@StringRes int hint) {
     searchText.setHint(hint);
   }

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

@@ -25,7 +25,6 @@ import com.airbnb.lottie.LottieProperty;
 import com.airbnb.lottie.model.KeyPath;
 
 import org.signal.core.util.concurrent.SignalExecutors;
-import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.animation.AnimationCompleteListener;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
@@ -33,15 +32,18 @@ import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
 import org.thoughtcrime.securesms.permissions.Permissions;
+import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.service.ExpiringMessageManager;
 import org.thoughtcrime.securesms.util.DateUtils;
 import org.thoughtcrime.securesms.util.Projection;
+import org.thoughtcrime.securesms.util.SignalLocalMetrics;
 import org.thoughtcrime.securesms.util.ViewUtil;
 import org.thoughtcrime.securesms.util.dualsim.SubscriptionInfoCompat;
 import org.thoughtcrime.securesms.util.dualsim.SubscriptionManagerCompat;
 import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.util.Locale;
+import java.util.Objects;
 import java.util.concurrent.TimeUnit;
 
 public class ConversationItemFooter extends ConstraintLayout {
@@ -63,6 +65,8 @@ public class ConversationItemFooter extends ConstraintLayout {
   private final Rect speedToggleHitRect = new Rect();
   private final int  touchTargetSize    = ViewUtil.dpToPx(48);
 
+  private long previousMessageId;
+
   public ConversationItemFooter(Context context) {
     super(context);
     init(null);
@@ -146,7 +150,7 @@ public class ConversationItemFooter extends ConstraintLayout {
   }
 
   public void setAudioDuration(long totalDurationMillis, long currentPostionMillis) {
-    long remainingSecs = TimeUnit.MILLISECONDS.toSeconds(totalDurationMillis - currentPostionMillis);
+    long remainingSecs = Math.max(0, TimeUnit.MILLISECONDS.toSeconds(totalDurationMillis - currentPostionMillis));
     audioDuration.setText(getResources().getString(R.string.AudioView_duration, remainingSecs / 60, remainingSecs % 60));
   }
 
@@ -211,6 +215,10 @@ public class ConversationItemFooter extends ConstraintLayout {
     }
   }
 
+  public TextView getDateView() {
+    return dateView;
+  }
+
   private void notifyTouchDelegateChanged(@NonNull Rect rect, @NonNull View touchDelegate) {
     if (onTouchDelegateChangedListener != null) {
       onTouchDelegateChangedListener.onTouchDelegateChanged(rect, touchDelegate);
@@ -307,7 +315,7 @@ public class ConversationItemFooter extends ConstraintLayout {
     } else if (messageRecord.isRateLimited()) {
       dateView.setText(R.string.ConversationItem_send_paused);
     } else {
-      dateView.setText(DateUtils.getExtendedRelativeTimeSpanString(getContext(), locale, messageRecord.getTimestamp()));
+      dateView.setText(DateUtils.getSimpleRelativeTimeSpanString(getContext(), locale, messageRecord.getTimestamp()));
     }
   }
 
@@ -367,6 +375,19 @@ public class ConversationItemFooter extends ConstraintLayout {
   }
 
   private void presentDeliveryStatus(@NonNull MessageRecord messageRecord) {
+    long newMessageId = buildMessageId(messageRecord);
+
+    if (previousMessageId == newMessageId && deliveryStatusView.isPending() && !messageRecord.isPending()) {
+      if (messageRecord.getRecipient().isGroup()) {
+        SignalLocalMetrics.GroupMessageSend.onUiUpdated(messageRecord.getId());
+      } else {
+        SignalLocalMetrics.IndividualMessageSend.onUiUpdated(messageRecord.getId());
+      }
+    }
+
+    previousMessageId = newMessageId;
+
+
     if (messageRecord.isFailed() || messageRecord.isPendingInsecureSmsFallback()) {
       deliveryStatusView.setNone();
       return;
@@ -400,7 +421,7 @@ public class ConversationItemFooter extends ConstraintLayout {
       if (mmsMessageRecord.getSlideDeck().getAudioSlide() != null) {
         showAudioDurationViews();
 
-        if (messageRecord.getViewedReceiptCount() > 0) {
+        if (messageRecord.getViewedReceiptCount() > 0 || (messageRecord.isOutgoing() && Objects.equals(messageRecord.getRecipient(), Recipient.self()))) {
           revealDot.setProgress(1f);
         } else {
           revealDot.setProgress(0f);
@@ -425,6 +446,10 @@ public class ConversationItemFooter extends ConstraintLayout {
     playbackSpeedToggleTextView.setVisibility(View.GONE);
   }
 
+  private long buildMessageId(@NonNull MessageRecord record) {
+    return record.isMms() ? -record.getId() : record.getId();
+  }
+
   public interface OnTouchDelegateChangedListener {
     void onTouchDelegateChanged(@NonNull Rect delegateRect, @NonNull View delegateView);
   }

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

@@ -60,6 +60,10 @@ public class DeliveryStatusView extends FrameLayout {
     this.setVisibility(View.GONE);
   }
 
+  public boolean isPending() {
+    return pendingIndicator.getVisibility() == View.VISIBLE;
+  }
+
   public void setPending() {
     this.setVisibility(View.VISIBLE);
     pendingIndicator.setVisibility(View.VISIBLE);

app/src/main/java/org/thoughtcrime/securesms/components/FixedRoundedCornerBottomSheetDialogFragment.kt

@@ -0,0 +1,55 @@
+package org.thoughtcrime.securesms.components
+
+import android.app.Dialog
+import android.os.Bundle
+import android.view.View
+import androidx.core.content.ContextCompat
+import androidx.core.view.ViewCompat
+import com.google.android.material.bottomsheet.BottomSheetBehavior
+import com.google.android.material.bottomsheet.BottomSheetDialog
+import com.google.android.material.bottomsheet.BottomSheetDialogFragment
+import com.google.android.material.shape.CornerFamily
+import com.google.android.material.shape.MaterialShapeDrawable
+import com.google.android.material.shape.ShapeAppearanceModel
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.util.ViewUtil
+
+/**
+ * Forces rounded corners on BottomSheet
+ */
+abstract class FixedRoundedCornerBottomSheetDialogFragment : BottomSheetDialogFragment() {
+
+  protected open val peekHeightPercentage: Float = 0.5f
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    setStyle(STYLE_NORMAL, R.style.Widget_Signal_FixedRoundedCorners)
+  }
+
+  override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+    val dialog = super.onCreateDialog(savedInstanceState) as BottomSheetDialog
+
+    dialog.behavior.peekHeight = (resources.displayMetrics.heightPixels * peekHeightPercentage).toInt()
+
+    val shapeAppearanceModel = ShapeAppearanceModel.builder()
+      .setTopLeftCorner(CornerFamily.ROUNDED, ViewUtil.dpToPx(requireContext(), 18).toFloat())
+      .setTopRightCorner(CornerFamily.ROUNDED, ViewUtil.dpToPx(requireContext(), 18).toFloat())
+      .build()
+
+    val dialogBackground = MaterialShapeDrawable(shapeAppearanceModel)
+
+    dialogBackground.setTint(ContextCompat.getColor(requireContext(), R.color.signal_background_dialog))
+
+    dialog.behavior.addBottomSheetCallback(object : BottomSheetBehavior.BottomSheetCallback() {
+      override fun onStateChanged(bottomSheet: View, newState: Int) {
+        if (bottomSheet.background !== dialogBackground) {
+          ViewCompat.setBackground(bottomSheet, dialogBackground)
+        }
+      }
+
+      override fun onSlide(bottomSheet: View, slideOffset: Float) {}
+    })
+
+    return dialog
+  }
+}

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

@@ -5,10 +5,14 @@ import android.graphics.PorterDuff;
 import android.graphics.PorterDuffColorFilter;
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
+import android.os.Build;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
+import android.text.style.CharacterStyle;
+import android.text.style.MetricAffectingSpan;
 import android.text.style.StyleSpan;
+import android.text.style.TypefaceSpan;
 import android.util.AttributeSet;
 
 import androidx.annotation.Nullable;
@@ -17,15 +21,20 @@ import androidx.core.content.ContextCompat;
 import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.components.emoji.EmojiTextView;
+import org.thoughtcrime.securesms.components.emoji.SimpleEmojiTextView;
 import org.thoughtcrime.securesms.recipients.Recipient;
+import org.thoughtcrime.securesms.util.SpanUtil;
 import org.thoughtcrime.securesms.util.ViewUtil;
 
 import java.util.Objects;
 
-public class FromTextView extends EmojiTextView {
+public class FromTextView extends SimpleEmojiTextView {
 
   private static final String TAG = Log.tag(FromTextView.class);
 
+  private final static Typeface  BOLD_TYPEFACE  = Typeface.create("sans-serif-medium", Typeface.NORMAL);
+  private final static Typeface  LIGHT_TYPEFACE = Typeface.create("sans-serif", Typeface.NORMAL);
+
   public FromTextView(Context context) {
     super(context);
   }
@@ -45,20 +54,9 @@ public class FromTextView extends EmojiTextView {
   public void setText(Recipient recipient, boolean read, @Nullable String suffix) {
     String fromString = recipient.getDisplayName(getContext());
 
-    int typeface;
-
-    if (!read) {
-      typeface = Typeface.BOLD;
-    } else {
-      typeface = Typeface.NORMAL;
-    }
-
-    SpannableStringBuilder builder = new SpannableStringBuilder();
-
-    SpannableString fromSpan = new SpannableString(fromString);
-    fromSpan.setSpan(new StyleSpan(typeface), 0, builder.length(),
-                     Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
-
+    SpannableStringBuilder builder  = new SpannableStringBuilder();
+    SpannableString        fromSpan = new SpannableString(fromString);
+    fromSpan.setSpan(getFontSpan(!read), 0, fromSpan.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
 
     if (recipient.isSelf()) {
       builder.append(getContext().getString(R.string.note_to_self));
@@ -85,4 +83,8 @@ public class FromTextView extends EmojiTextView {
 
     return mutedDrawable;
   }
+
+  private CharacterStyle getFontSpan(boolean isBold) {
+    return isBold ? SpanUtil.getBoldSpan() : SpanUtil.getNormalSpan();
+  }
 }

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

@@ -93,6 +93,10 @@ public class InputPanel extends LinearLayout
   private @Nullable Listener listener;
   private           boolean  emojiVisible;
 
+  private boolean hideForGroupState;
+  private boolean hideForBlockedState;
+  private boolean hideForSearch;
+
   private ConversationStickerSuggestionAdapter stickerSuggestionAdapter;
 
   public InputPanel(Context context) {
@@ -317,6 +321,21 @@ public class InputPanel extends LinearLayout
     }
   }
 
+  public void setHideForGroupState(boolean hideForGroupState) {
+    this.hideForGroupState = hideForGroupState;
+    updateVisibility();
+  }
+
+  public void setHideForBlockedState(boolean hideForBlockedState) {
+    this.hideForBlockedState = hideForBlockedState;
+    updateVisibility();
+  }
+
+  public void setHideForSearch(boolean hideForSearch) {
+    this.hideForSearch = hideForSearch;
+    updateVisibility();
+  }
+
   @Override
   public void onRecordPermissionRequired() {
     if (listener != null) listener.onRecorderPermissionRequired();
@@ -495,6 +514,14 @@ public class InputPanel extends LinearLayout
     buttonToggle.animate().alpha(1).setDuration(FADE_TIME).start();
   }
 
+  private void updateVisibility() {
+    if (hideForGroupState || hideForBlockedState || hideForSearch) {
+      setVisibility(GONE);
+    } else {
+      setVisibility(VISIBLE);
+    }
+  }
+
   public interface Listener extends VoiceNoteDraftView.Listener {
     void onRecorderStarted();
     void onRecorderLocked();

app/src/main/java/org/thoughtcrime/securesms/components/KeyboardEntryDialogFragment.kt

@@ -0,0 +1,59 @@
+package org.thoughtcrime.securesms.components
+
+import android.app.Dialog
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.view.WindowManager
+import androidx.annotation.LayoutRes
+import androidx.fragment.app.DialogFragment
+import org.thoughtcrime.securesms.R
+
+/**
+ * Fullscreen Dialog Fragment which will dismiss itself when the keyboard is closed
+ */
+abstract class KeyboardEntryDialogFragment(@LayoutRes contentLayoutId: Int) :
+  DialogFragment(contentLayoutId),
+  KeyboardAwareLinearLayout.OnKeyboardShownListener,
+  KeyboardAwareLinearLayout.OnKeyboardHiddenListener {
+
+  private var hasShown = false
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    setStyle(STYLE_NORMAL, R.style.Theme_Signal_RoundedBottomSheet)
+    super.onCreate(savedInstanceState)
+  }
+
+  override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+    val dialog = super.onCreateDialog(savedInstanceState)
+
+    dialog.window?.setDimAmount(0f)
+    dialog.window?.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE)
+
+    return dialog
+  }
+
+  override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+    hasShown = false
+
+    val view = super.onCreateView(inflater, container, savedInstanceState)
+    return if (view is KeyboardAwareLinearLayout) {
+      view.addOnKeyboardShownListener(this)
+      view.addOnKeyboardHiddenListener(this)
+      view
+    } else {
+      throw IllegalStateException("Expected parent of view hierarchy to be keyboard aware.")
+    }
+  }
+
+  override fun onKeyboardShown() {
+    hasShown = true
+  }
+
+  override fun onKeyboardHidden() {
+    if (hasShown) {
+      dismissAllowingStateLoss()
+    }
+  }
+}

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

@@ -23,9 +23,12 @@ public class ShapeScrim extends View {
   private final Paint     eraser;
   private final ShapeType shape;
   private final float     radius;
+  private final int       canvasColor;
 
   private Bitmap scrim;
   private Canvas scrimCanvas;
+  private int    scrimWidth;
+  private int    scrimHeight;
 
   public ShapeScrim(Context context) {
     this(context, null);
@@ -57,13 +60,30 @@ public class ShapeScrim extends View {
     this.eraser = new Paint();
     this.eraser.setColor(0xFFFFFFFF);
     this.eraser.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
+
+    this.canvasColor = Color.parseColor("#55BDBDBD");
+  }
+
+  @Override
+  protected void onLayout(boolean changed, int l, int t, int r, int b) {
+    super.onLayout(changed, l, t, r, b);
+    int   shortDimension = Math.min(getWidth(), getHeight());
+    float drawRadius     = shortDimension * radius;
+
+    float left   = (getMeasuredWidth() / 2 ) - drawRadius;
+    float top    = (getMeasuredHeight() / 2) - drawRadius;
+    float right  = left + (drawRadius * 2);
+    float bottom = top + (drawRadius * 2);
+
+    scrimWidth  = (int) (right - left);
+    scrimHeight = (int) (bottom - top);
   }
 
   @Override
   public void onDraw(Canvas canvas) {
     super.onDraw(canvas);
 
-    int   shortDimension = getWidth() < getHeight() ? getWidth() : getHeight();
+    int   shortDimension = Math.min(getWidth(), getHeight());
     float drawRadius     = shortDimension * radius;
 
     if (scrimCanvas == null) {
@@ -72,7 +92,7 @@ public class ShapeScrim extends View {
     }
 
     scrim.eraseColor(Color.TRANSPARENT);
-    scrimCanvas.drawColor(Color.parseColor("#55BDBDBD"));
+    scrimCanvas.drawColor(canvasColor);
 
     if (shape == ShapeType.CIRCLE) drawCircle(scrimCanvas, drawRadius, eraser);
     else                           drawSquare(scrimCanvas, drawRadius, eraser);
@@ -104,4 +124,12 @@ public class ShapeScrim extends View {
 
     canvas.drawRoundRect(square, 25, 25, eraser);
   }
+
+  public int getScrimWidth() {
+    return scrimWidth;
+  }
+
+  public int getScrimHeight() {
+    return scrimHeight;
+  }
 }

app/src/main/java/org/thoughtcrime/securesms/components/emoji/EmojiPageView.java

@@ -143,8 +143,9 @@ public class EmojiPageView extends RecyclerView implements VariationSelectorList
   @Override
   protected void onSizeChanged(int w, int h, int oldw, int oldh) {
     if (layoutManager instanceof GridLayoutManager) {
+      int viewWidth  = w - getPaddingStart() - getPaddingEnd();
       int idealWidth = getContext().getResources().getDimensionPixelOffset(R.dimen.emoji_drawer_item_width);
-      int spanCount  = Math.max(w / idealWidth, 1);
+      int spanCount  = Math.max(viewWidth / idealWidth, 1);
 
       ((GridLayoutManager) layoutManager).setSpanCount(spanCount);
     }

app/src/main/java/org/thoughtcrime/securesms/components/emoji/EmojiProvider.java

@@ -23,6 +23,7 @@ import org.thoughtcrime.securesms.emoji.EmojiPageCache;
 import org.thoughtcrime.securesms.emoji.EmojiSource;
 import org.thoughtcrime.securesms.util.DeviceProperties;
 import org.thoughtcrime.securesms.util.FutureTaskListener;
+import org.thoughtcrime.securesms.util.ListenableFutureTask;
 
 import java.util.concurrent.ExecutionException;
 
@@ -52,7 +53,7 @@ class EmojiProvider {
     SpannableStringBuilder builder = new SpannableStringBuilder(text);
 
     for (EmojiParser.Candidate candidate : matches) {
-      Drawable drawable = getEmojiDrawable(tv.getContext(), candidate.getDrawInfo());
+      Drawable drawable = getEmojiDrawable(tv.getContext(), candidate.getDrawInfo(), tv::requestLayout);
 
       if (drawable != null) {
         builder.setSpan(new EmojiSpan(drawable, tv), candidate.getStartIndex(), candidate.getEndIndex(),
@@ -65,10 +66,17 @@ class EmojiProvider {
 
   static @Nullable Drawable getEmojiDrawable(@NonNull Context context, @Nullable CharSequence emoji) {
     EmojiDrawInfo drawInfo = EmojiSource.getLatest().getEmojiTree().getEmoji(emoji, 0, emoji.length());
-    return getEmojiDrawable(context, drawInfo);
+    return getEmojiDrawable(context, drawInfo, null);
   }
 
-  private static @Nullable Drawable getEmojiDrawable(@NonNull Context context, @Nullable EmojiDrawInfo drawInfo) {
+  /**
+   * Gets an EmojiDrawable from the Page Cache
+   *
+   * @param context         Context object used in reading and writing from disk
+   * @param drawInfo        Information about the emoji being displayed
+   * @param onEmojiLoaded   Runnable which will trigger when an emoji is loaded from disk
+   */
+  private static @Nullable Drawable getEmojiDrawable(@NonNull Context context, @Nullable EmojiDrawInfo drawInfo, @Nullable Runnable onEmojiLoaded) {
     if (drawInfo == null) {
       return null;
     }
@@ -77,19 +85,30 @@ class EmojiProvider {
     final EmojiSource   source               = EmojiSource.getLatest();
     final EmojiDrawable drawable             = new EmojiDrawable(source, drawInfo, lowMemoryDecodeScale);
 
-    EmojiPageCache.INSTANCE
-                  .load(context, drawInfo.getPage(), lowMemoryDecodeScale)
-                  .addListener(new FutureTaskListener<Bitmap>() {
-                    @Override
-                    public void onSuccess(Bitmap result) {
-                      ThreadUtil.runOnMain(() -> drawable.setBitmap(result));
-                    }
+    EmojiPageCache.LoadResult loadResult = EmojiPageCache.INSTANCE.load(context, drawInfo.getPage(), lowMemoryDecodeScale);
 
-                    @Override
-                    public void onFailure(ExecutionException exception) {
-                      Log.d(TAG, "Failed to load emoji bitmap resource", exception);
-                    }
-                  });
+    if (loadResult instanceof EmojiPageCache.LoadResult.Immediate) {
+      ThreadUtil.runOnMain(() -> drawable.setBitmap(((EmojiPageCache.LoadResult.Immediate) loadResult).getBitmap()));
+    } else if (loadResult instanceof EmojiPageCache.LoadResult.Async) {
+      ((EmojiPageCache.LoadResult.Async) loadResult).getTask().addListener(new FutureTaskListener<Bitmap>() {
+        @Override
+        public void onSuccess(Bitmap result) {
+          ThreadUtil.runOnMain(() -> {
+            drawable.setBitmap(result);
+            if (onEmojiLoaded != null) {
+              onEmojiLoaded.run();
+            }
+          });
+        }
+
+        @Override
+        public void onFailure(ExecutionException exception) {
+          Log.d(TAG, "Failed to load emoji bitmap resource", exception);
+        }
+      });
+    } else {
+      throw new IllegalStateException("Unexpected subclass " + loadResult.getClass());
+    }
 
     return drawable;
   }
@@ -122,10 +141,10 @@ class EmojiProvider {
       final int xStart      = (index % emojiPerRow) * glyphWidth;
       final int yStart      = (index / emojiPerRow) * glyphHeight;
 
-      this.emojiBounds = new Rect(xStart,
-                                  yStart,
-                                  xStart + glyphWidth,
-                                  yStart + glyphHeight);
+      this.emojiBounds = new Rect(xStart + 1,
+                                  yStart + 1,
+                                  xStart + glyphWidth - 1,
+                                  yStart + glyphHeight - 1);
     }
 
     @Override

app/src/main/java/org/thoughtcrime/securesms/components/emoji/EmojiSpan.java

@@ -14,29 +14,33 @@ public class EmojiSpan extends AnimatingImageSpan {
 
   private final float SHIFT_FACTOR = 1.5f;
 
-  private final int            size;
-  private final FontMetricsInt fm;
+  private int            size;
+  private FontMetricsInt fontMetrics;
 
   public EmojiSpan(@NonNull Drawable drawable, @NonNull TextView tv) {
     super(drawable, tv);
-    fm   = tv.getPaint().getFontMetricsInt();
-    size = fm != null ? Math.abs(fm.descent) + Math.abs(fm.ascent)
-                      : tv.getResources().getDimensionPixelSize(R.dimen.conversation_item_body_text_size);
+    fontMetrics = tv.getPaint().getFontMetricsInt();
+    size        = fontMetrics != null ? Math.abs(fontMetrics.descent) + Math.abs(fontMetrics.ascent)
+                                      : tv.getResources().getDimensionPixelSize(R.dimen.conversation_item_body_text_size);
     getDrawable().setBounds(0, 0, size, size);
   }
 
   @Override
   public int getSize(@NonNull Paint paint, CharSequence text, int start, int end, FontMetricsInt fm) {
-    if (fm != null && this.fm != null) {
-      fm.ascent  = this.fm.ascent;
-      fm.descent = this.fm.descent;
-      fm.top     = this.fm.top;
-      fm.bottom  = this.fm.bottom;
-      fm.leading = this.fm.leading;
-      return size;
+    if (fm != null && this.fontMetrics != null) {
+      fm.ascent  = this.fontMetrics.ascent;
+      fm.descent = this.fontMetrics.descent;
+      fm.top     = this.fontMetrics.top;
+      fm.bottom  = this.fontMetrics.bottom;
+      fm.leading = this.fontMetrics.leading;
     } else {
-      return super.getSize(paint, text, start, end, fm);
+      this.fontMetrics = paint.getFontMetricsInt();
+      this.size        = Math.abs(this.fontMetrics.descent) + Math.abs(this.fontMetrics.ascent);
+
+      getDrawable().setBounds(0, 0, size, size);
     }
+
+    return size;
   }
 
   @Override

app/src/main/java/org/thoughtcrime/securesms/components/emoji/EmojiTextView.java

@@ -5,8 +5,11 @@ import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.drawable.Drawable;
 import android.text.Annotation;
+import android.text.Layout;
 import android.text.SpannableStringBuilder;
 import android.text.Spanned;
+import android.text.TextDirectionHeuristic;
+import android.text.TextDirectionHeuristics;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.TypedValue;
@@ -33,19 +36,23 @@ import java.util.List;
 public class EmojiTextView extends AppCompatTextView {
 
   private final boolean scaleEmojis;
-  private final boolean forceCustom;
 
   private static final char ELLIPSIS = '…';
 
-  private CharSequence previousText;
-  private BufferType   previousBufferType;
-  private float        originalFontSize;
-  private boolean      useSystemEmoji;
-  private boolean      sizeChangeInProgress;
-  private int          maxLength;
-  private CharSequence overflowText;
-  private CharSequence previousOverflowText;
-  private boolean      renderMentions;
+  private boolean                forceCustom;
+  private CharSequence           previousText;
+  private BufferType             previousBufferType;
+  private float                  originalFontSize;
+  private boolean                useSystemEmoji;
+  private boolean                sizeChangeInProgress;
+  private int                    maxLength;
+  private CharSequence           overflowText;
+  private CharSequence           previousOverflowText;
+  private boolean                renderMentions;
+  private boolean                measureLastLine;
+  private int                    lastLineWidth = -1;
+  private TextDirectionHeuristic textDirection;
+  private boolean                isJumbomoji;
 
   private MentionRendererDelegate mentionRendererDelegate;
 
@@ -61,10 +68,11 @@ public class EmojiTextView extends AppCompatTextView {
     super(context, attrs, defStyleAttr);
 
     TypedArray a = context.getTheme().obtainStyledAttributes(attrs, R.styleable.EmojiTextView, 0, 0);
-    scaleEmojis    = a.getBoolean(R.styleable.EmojiTextView_scaleEmojis, false);
-    maxLength      = a.getInteger(R.styleable.EmojiTextView_emoji_maxLength, -1);
-    forceCustom    = a.getBoolean(R.styleable.EmojiTextView_emoji_forceCustom, false);
-    renderMentions = a.getBoolean(R.styleable.EmojiTextView_emoji_renderMentions, true);
+    scaleEmojis     = a.getBoolean(R.styleable.EmojiTextView_scaleEmojis, false);
+    maxLength       = a.getInteger(R.styleable.EmojiTextView_emoji_maxLength, -1);
+    forceCustom     = a.getBoolean(R.styleable.EmojiTextView_emoji_forceCustom, false);
+    renderMentions  = a.getBoolean(R.styleable.EmojiTextView_emoji_renderMentions, true);
+    measureLastLine = a.getBoolean(R.styleable.EmojiTextView_measureLastLine, false);
     a.recycle();
 
     a = context.obtainStyledAttributes(attrs, new int[]{android.R.attr.textSize});
@@ -74,6 +82,8 @@ public class EmojiTextView extends AppCompatTextView {
     if (renderMentions) {
       mentionRendererDelegate = new MentionRendererDelegate(getContext(), ContextCompat.getColor(getContext(), R.color.transparent_black_20));
     }
+
+    textDirection = getLayoutDirection() == LAYOUT_DIRECTION_LTR ? TextDirectionHeuristics.FIRSTSTRONG_RTL : TextDirectionHeuristics.ANYRTL_LTR;
   }
 
   @Override
@@ -103,8 +113,10 @@ public class EmojiTextView extends AppCompatTextView {
       if (emojis <= 4) scale += 0.25f;
       if (emojis <= 2) scale += 0.25f;
 
+      isJumbomoji = scale > 1.0f;
       super.setTextSize(TypedValue.COMPLEX_UNIT_PX, originalFontSize * scale);
     } else if (scaleEmojis) {
+      isJumbomoji = false;
       super.setTextSize(TypedValue.COMPLEX_UNIT_PX, originalFontSize);
     }
 
@@ -139,11 +151,50 @@ public class EmojiTextView extends AppCompatTextView {
     }
   }
 
+  @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    CharSequence text = getText();
+    if (getLayout() == null || !measureLastLine || text == null || text.length() == 0) {
+      lastLineWidth = -1;
+    } else {
+      Layout layout = getLayout();
+      int    lines  = layout.getLineCount();
+      int    start  = layout.getLineStart(lines - 1);
+      int    count  = text.length() - start;
+
+      if ((getLayoutDirection() == LAYOUT_DIRECTION_LTR && textDirection.isRtl(text, start, count)) ||
+          (getLayoutDirection() == LAYOUT_DIRECTION_RTL && !textDirection.isRtl(text, start, count))) {
+        lastLineWidth = getMeasuredWidth();
+      } else {
+        lastLineWidth = (int) getPaint().measureText(text, start, text.length());
+      }
+    }
+  }
+
+  public int getLastLineWidth() {
+    return lastLineWidth;
+  }
+
+  public boolean isSingleLine() {
+    return getLayout() != null && getLayout().getLineCount() == 1;
+  }
+
+  public boolean isJumbomoji() {
+    return isJumbomoji;
+  }
+
   public void setOverflowText(@Nullable CharSequence overflowText) {
     this.overflowText = overflowText;
     setText(previousText, BufferType.SPANNABLE);
   }
 
+  public void setForceCustomEmoji(boolean forceCustom) {
+    if (this.forceCustom != forceCustom) {
+      this.forceCustom = forceCustom;
+      setText(previousText, BufferType.SPANNABLE);
+    }
+  }
+
   private void ellipsizeAnyTextForMaxLength() {
     if (maxLength > 0 && getText().length() > maxLength + 1) {
       SpannableStringBuilder newContent = new SpannableStringBuilder();

app/src/main/java/org/thoughtcrime/securesms/components/emoji/MediaKeyboard.java

@@ -2,6 +2,7 @@ package org.thoughtcrime.securesms.components.emoji;
 
 import android.content.Context;
 import android.util.AttributeSet;
+import android.view.ContextThemeWrapper;
 import android.view.LayoutInflater;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
@@ -20,6 +21,8 @@ import org.thoughtcrime.securesms.keyboard.KeyboardPage;
 import org.thoughtcrime.securesms.keyboard.KeyboardPagerFragment;
 import org.thoughtcrime.securesms.keyboard.emoji.search.EmojiSearchFragment;
 
+import java.util.Objects;
+
 public class MediaKeyboard extends FrameLayout implements InputView {
 
   private static final String TAG          = Log.tag(MediaKeyboard.class);
@@ -40,6 +43,10 @@ public class MediaKeyboard extends FrameLayout implements InputView {
     super(context, attrs);
   }
 
+  public void setFragmentManager(@NonNull FragmentManager fragmentManager) {
+    this.fragmentManager = fragmentManager;
+  }
+
   public void setKeyboardListener(@Nullable MediaKeyboardListener listener) {
     this.keyboardListener = listener;
   }
@@ -125,13 +132,32 @@ public class MediaKeyboard extends FrameLayout implements InputView {
 
   private void initView() {
     if (!isInitialised) {
+
       LayoutInflater.from(getContext()).inflate(R.layout.media_keyboard, this, true);
 
+      if (fragmentManager == null) {
+        FragmentActivity activity = resolveActivity(getContext());
+        fragmentManager = activity.getSupportFragmentManager();
+      }
+
+      keyboardPagerFragment = new KeyboardPagerFragment();
+      fragmentManager.beginTransaction()
+                     .replace(R.id.media_keyboard_fragment_container, keyboardPagerFragment)
+                     .commitNowAllowingStateLoss();
+
       keyboardState         = State.NORMAL;
       latestKeyboardHeight  = -1;
       isInitialised         = true;
-      fragmentManager       = ((FragmentActivity) getContext()).getSupportFragmentManager();
-      keyboardPagerFragment = (KeyboardPagerFragment) fragmentManager.findFragmentById(R.id.media_keyboard_fragment_container);
+    }
+  }
+
+  private static FragmentActivity resolveActivity(@Nullable Context context) {
+    if (context instanceof FragmentActivity) {
+      return (FragmentActivity) context;
+    } else if (context instanceof ContextThemeWrapper) {
+      return resolveActivity(((ContextThemeWrapper) context).getBaseContext());
+    } else {
+      throw new IllegalStateException("Could not locate FragmentActivity");
     }
   }
 

app/src/main/java/org/thoughtcrime/securesms/components/emoji/SimpleEmojiTextView.kt

@@ -0,0 +1,46 @@
+package org.thoughtcrime.securesms.components.emoji
+
+import android.content.Context
+import android.text.TextUtils
+import android.util.AttributeSet
+import androidx.appcompat.widget.AppCompatTextView
+import org.thoughtcrime.securesms.keyvalue.SignalStore
+import org.whispersystems.libsignal.util.guava.Optional
+
+open class SimpleEmojiTextView @JvmOverloads constructor(
+  context: Context,
+  attrs: AttributeSet? = null,
+  defStyleAttr: Int = 0
+) : AppCompatTextView(context, attrs, defStyleAttr) {
+
+  private var bufferType: BufferType? = null
+
+  override fun setText(text: CharSequence?, type: BufferType?) {
+    bufferType = type
+    val candidates = if (isInEditMode) null else EmojiProvider.getCandidates(text)
+    if (SignalStore.settings().isPreferSystemEmoji || candidates == null || candidates.size() == 0) {
+      super.setText(Optional.fromNullable(text).or(""), BufferType.NORMAL)
+    } else {
+      val newContent = if (width == 0 || maxLines == -1) {
+        text
+      } else {
+        TextUtils.ellipsize(text, paint, (width * maxLines).toFloat(), TextUtils.TruncateAt.END, false, null)
+      }
+
+      val newCandidates = if (isInEditMode) null else EmojiProvider.getCandidates(newContent)
+      val newText = if (newCandidates == null || newCandidates.size() == 0) {
+        newContent
+      } else {
+        EmojiProvider.emojify(newCandidates, newContent, this)
+      }
+      super.setText(newText, type)
+    }
+  }
+
+  override fun onSizeChanged(width: Int, height: Int, oldWidth: Int, oldHeight: Int) {
+    super.onSizeChanged(width, height, oldWidth, oldHeight)
+    if (width > 0 && oldWidth != width) {
+      setText(text, bufferType ?: BufferType.NORMAL)
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/identity/UntrustedSendDialog.java

@@ -9,9 +9,11 @@ import androidx.appcompat.app.AlertDialog;
 
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.crypto.ReentrantSessionLock;
+import org.thoughtcrime.securesms.crypto.storage.TextSecureIdentityKeyStore;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.IdentityDatabase;
-import org.thoughtcrime.securesms.database.IdentityDatabase.IdentityRecord;
+import org.thoughtcrime.securesms.database.model.IdentityRecord;
+import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
 import org.thoughtcrime.securesms.util.concurrent.SimpleTask;
 import org.whispersystems.signalservice.api.SignalSessionLock;
 
@@ -40,12 +42,12 @@ public class UntrustedSendDialog extends AlertDialog.Builder implements DialogIn
 
   @Override
   public void onClick(DialogInterface dialog, int which) {
-    final IdentityDatabase identityDatabase = DatabaseFactory.getIdentityDatabase(getContext());
+    final TextSecureIdentityKeyStore identityStore = ApplicationDependencies.getIdentityStore();
 
     SimpleTask.run(() -> {
       try(SignalSessionLock.Lock unused = ReentrantSessionLock.INSTANCE.acquire()) {
         for (IdentityRecord identityRecord : untrustedRecords) {
-          identityDatabase.setApproval(identityRecord.getRecipientId(), true);
+          identityStore.setApproval(identityRecord.getRecipientId(), true);
         }
       }
 

app/src/main/java/org/thoughtcrime/securesms/components/identity/UnverifiedBannerView.java

@@ -16,7 +16,7 @@ import androidx.annotation.RequiresApi;
 
 import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.R;
-import org.thoughtcrime.securesms.database.IdentityDatabase.IdentityRecord;
+import org.thoughtcrime.securesms.database.model.IdentityRecord;
 
 import java.util.List;
 

app/src/main/java/org/thoughtcrime/securesms/components/identity/UnverifiedSendDialog.java

@@ -11,7 +11,9 @@ import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.crypto.ReentrantSessionLock;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.IdentityDatabase;
-import org.thoughtcrime.securesms.database.IdentityDatabase.IdentityRecord;
+import org.thoughtcrime.securesms.database.model.IdentityRecord;
+import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
+import org.thoughtcrime.securesms.util.concurrent.SimpleTask;
 import org.whispersystems.signalservice.api.SignalSessionLock;
 
 import java.util.List;
@@ -39,27 +41,16 @@ public class UnverifiedSendDialog extends AlertDialog.Builder implements DialogI
 
   @Override
   public void onClick(DialogInterface dialog, int which) {
-    final IdentityDatabase identityDatabase = DatabaseFactory.getIdentityDatabase(getContext());
-
-    new AsyncTask<Void, Void, Void>() {
-      @Override
-      protected Void doInBackground(Void... params) {
-        try(SignalSessionLock.Lock unused = ReentrantSessionLock.INSTANCE.acquire()) {
-          for (IdentityRecord identityRecord : untrustedRecords) {
-            identityDatabase.setVerified(identityRecord.getRecipientId(),
-                                         identityRecord.getIdentityKey(),
-                                         IdentityDatabase.VerifiedStatus.DEFAULT);
-          }
+    SimpleTask.run(() -> {
+      try(SignalSessionLock.Lock unused = ReentrantSessionLock.INSTANCE.acquire()) {
+        for (IdentityRecord identityRecord : untrustedRecords) {
+          ApplicationDependencies.getIdentityStore().setVerified(identityRecord.getRecipientId(),
+                                                                 identityRecord.getIdentityKey(),
+                                                                 IdentityDatabase.VerifiedStatus.DEFAULT);
         }
-
-        return null;
       }
-
-      @Override
-      protected void onPostExecute(Void result) {
-        resendListener.onResendMessage();
-      }
-    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+      return null;
+    }, nothing -> resendListener.onResendMessage());
   }
 
   public interface ResendListener {

app/src/main/java/org/thoughtcrime/securesms/components/recyclerview/GridDividerDecoration.kt

@@ -0,0 +1,50 @@
+package org.thoughtcrime.securesms.components.recyclerview
+
+import android.graphics.Rect
+import android.view.View
+import androidx.annotation.Px
+import androidx.recyclerview.widget.RecyclerView
+import org.thoughtcrime.securesms.util.ViewUtil
+
+/**
+ * Decoration which will add an equal amount of space between each item in a grid.
+ */
+open class GridDividerDecoration(
+  private val spanCount: Int,
+  @Px private val space: Int
+) : RecyclerView.ItemDecoration() {
+
+  override fun getItemOffsets(outRect: Rect, view: View, parent: RecyclerView, state: RecyclerView.State) {
+    return setItemOffsets(parent.getChildAdapterPosition(view), view, outRect)
+  }
+
+  protected fun setItemOffsets(position: Int, view: View, outRect: Rect) {
+    val column = position % spanCount
+    val isRtl = ViewUtil.isRtl(view)
+
+    val distanceFromEnd = spanCount - 1 - column
+
+    val spaceStart = (column / spanCount.toFloat()) * space
+    val spaceEnd = (distanceFromEnd / spanCount.toFloat()) * space
+
+    outRect.setStart(spaceStart.toInt(), isRtl)
+    outRect.setEnd(spaceEnd.toInt(), isRtl)
+    outRect.bottom = space
+  }
+
+  private fun Rect.setEnd(end: Int, isRtl: Boolean) {
+    if (isRtl) {
+      left = end
+    } else {
+      right = end
+    }
+  }
+
+  private fun Rect.setStart(start: Int, isRtl: Boolean) {
+    if (isRtl) {
+      right = start
+    } else {
+      left = start
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/recyclerview/SmoothScrollingLinearLayoutManager.java

@@ -14,6 +14,11 @@ public class SmoothScrollingLinearLayoutManager extends LinearLayoutManager {
     super(context, RecyclerView.VERTICAL, reverseLayout);
   }
 
+  @Override
+  public boolean supportsPredictiveItemAnimations() {
+    return false;
+  }
+
   public void smoothScrollToPosition(@NonNull Context context, int position, float millisecondsPerInch) {
     final LinearSmoothScroller scroller = new LinearSmoothScroller(context) {
       @Override

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/AppSettingsActivity.kt

@@ -39,6 +39,7 @@ class AppSettingsActivity : DSLSettingsActivity() {
           .setStartCategoryIndex(intent.getIntExtra(HelpFragment.START_CATEGORY_INDEX, 0))
         StartLocation.PROXY -> AppSettingsFragmentDirections.actionDirectToEditProxyFragment()
         StartLocation.NOTIFICATIONS -> AppSettingsFragmentDirections.actionDirectToNotificationsSettingsFragment()
+        StartLocation.CHANGE_NUMBER -> AppSettingsFragmentDirections.actionDirectToChangeNumberFragment()
       }
     }
 
@@ -98,6 +99,9 @@ class AppSettingsActivity : DSLSettingsActivity() {
     @JvmStatic
     fun notifications(context: Context): Intent = getIntentForStartLocation(context, StartLocation.NOTIFICATIONS)
 
+    @JvmStatic
+    fun changeNumber(context: Context): Intent = getIntentForStartLocation(context, StartLocation.CHANGE_NUMBER)
+
     private fun getIntentForStartLocation(context: Context, startLocation: StartLocation): Intent {
       return Intent(context, AppSettingsActivity::class.java)
         .putExtra(ARG_NAV_GRAPH, R.navigation.app_settings)
@@ -110,7 +114,8 @@ class AppSettingsActivity : DSLSettingsActivity() {
     BACKUPS(1),
     HELP(2),
     PROXY(3),
-    NOTIFICATIONS(4);
+    NOTIFICATIONS(4),
+    CHANGE_NUMBER(5);
 
     companion object {
       fun fromCode(code: Int?): StartLocation {

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/account/AccountSettingsFragment.kt

@@ -30,6 +30,8 @@ import org.thoughtcrime.securesms.lock.v2.CreateKbsPinActivity
 import org.thoughtcrime.securesms.lock.v2.KbsConstants
 import org.thoughtcrime.securesms.lock.v2.PinKeyboardType
 import org.thoughtcrime.securesms.pin.RegistrationLockV2Dialog
+import org.thoughtcrime.securesms.recipients.Recipient
+import org.thoughtcrime.securesms.util.FeatureFlags
 import org.thoughtcrime.securesms.util.ServiceUtil
 import org.thoughtcrime.securesms.util.ThemeUtil
 
@@ -43,6 +45,11 @@ class AccountSettingsFragment : DSLSettingsFragment(R.string.AccountSettingsFrag
     }
   }
 
+  override fun onResume() {
+    super.onResume()
+    viewModel.refreshState()
+  }
+
   override fun bindAdapter(adapter: DSLSettingsAdapter) {
     viewModel = ViewModelProviders.of(this)[AccountSettingsViewModel::class.java]
 
@@ -70,7 +77,8 @@ class AccountSettingsFragment : DSLSettingsFragment(R.string.AccountSettingsFrag
       switchPref(
         title = DSLSettingsText.from(R.string.preferences_app_protection__pin_reminders),
         summary = DSLSettingsText.from(R.string.AccountSettingsFragment__youll_be_asked_less_frequently),
-        isChecked = state.pinRemindersEnabled,
+        isChecked = state.hasPin && state.pinRemindersEnabled,
+        isEnabled = state.hasPin,
         onClick = {
           setPinRemindersEnabled(!state.pinRemindersEnabled)
         }
@@ -80,6 +88,7 @@ class AccountSettingsFragment : DSLSettingsFragment(R.string.AccountSettingsFrag
         title = DSLSettingsText.from(R.string.preferences_app_protection__registration_lock),
         summary = DSLSettingsText.from(R.string.AccountSettingsFragment__require_your_signal_pin),
         isChecked = state.registrationLockEnabled,
+        isEnabled = state.hasPin,
         onClick = {
           setRegistrationLockEnabled(!state.registrationLockEnabled)
         }
@@ -96,6 +105,15 @@ class AccountSettingsFragment : DSLSettingsFragment(R.string.AccountSettingsFrag
 
       sectionHeaderPref(R.string.AccountSettingsFragment__account)
 
+      if (FeatureFlags.changeNumber() && Recipient.self().changeNumberCapability == Recipient.Capability.SUPPORTED) {
+        clickPref(
+          title = DSLSettingsText.from(R.string.AccountSettingsFragment__change_phone_number),
+          onClick = {
+            Navigation.findNavController(requireView()).navigate(R.id.action_accountSettingsFragment_to_changePhoneNumberFragment)
+          }
+        )
+      }
+
       clickPref(
         title = DSLSettingsText.from(R.string.preferences_chats__transfer_account),
         summary = DSLSettingsText.from(R.string.preferences_chats__transfer_account_to_a_new_android_device),

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberAccountLockedFragment.kt

@@ -0,0 +1,27 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.os.Bundle
+import android.view.View
+import androidx.appcompat.widget.Toolbar
+import androidx.navigation.fragment.findNavController
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.registration.fragments.BaseAccountLockedFragment
+import org.thoughtcrime.securesms.registration.viewmodel.BaseRegistrationViewModel
+
+class ChangeNumberAccountLockedFragment : BaseAccountLockedFragment(R.layout.fragment_change_number_account_locked) {
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    super.onViewCreated(view, savedInstanceState)
+
+    val toolbar: Toolbar = view.findViewById(R.id.toolbar)
+    toolbar.setNavigationOnClickListener { findNavController().navigateUp() }
+  }
+
+  override fun getViewModel(): BaseRegistrationViewModel {
+    return ChangeNumberUtil.getViewModel(this)
+  }
+
+  override fun onNext() {
+    findNavController().navigateUp()
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberConfirmFragment.kt

@@ -0,0 +1,33 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.os.Bundle
+import android.view.View
+import android.widget.TextView
+import androidx.appcompat.widget.Toolbar
+import androidx.navigation.fragment.findNavController
+import org.thoughtcrime.securesms.LoggingFragment
+import org.thoughtcrime.securesms.R
+
+class ChangeNumberConfirmFragment : LoggingFragment(R.layout.fragment_change_number_confirm) {
+  private lateinit var viewModel: ChangeNumberViewModel
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    viewModel = ChangeNumberUtil.getViewModel(this)
+
+    val toolbar: Toolbar = view.findViewById(R.id.toolbar)
+    toolbar.setTitle(R.string.ChangeNumberEnterPhoneNumberFragment__change_number)
+    toolbar.setNavigationOnClickListener { findNavController().navigateUp() }
+
+    val confirmMessage: TextView = view.findViewById(R.id.change_number_confirm_new_number_message)
+    confirmMessage.text = getString(R.string.ChangeNumberConfirmFragment__you_are_about_to_change_your_phone_number_from_s_to_s, viewModel.oldNumberState.fullFormattedNumber, viewModel.number.fullFormattedNumber)
+
+    val newNumber: TextView = view.findViewById(R.id.change_number_confirm_new_number)
+    newNumber.text = viewModel.number.fullFormattedNumber
+
+    val editNumber: View = view.findViewById(R.id.change_number_confirm_edit_number)
+    editNumber.setOnClickListener { findNavController().navigateUp() }
+
+    val changeNumber: View = view.findViewById(R.id.change_number_confirm_change_number)
+    changeNumber.setOnClickListener { findNavController().navigate(R.id.action_changePhoneNumberConfirmFragment_to_changePhoneNumberVerifyFragment) }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberEnterCodeFragment.kt

@@ -0,0 +1,63 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.os.Bundle
+import android.view.View
+import androidx.activity.OnBackPressedCallback
+import androidx.appcompat.widget.Toolbar
+import androidx.navigation.fragment.findNavController
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.components.settings.app.changenumber.ChangeNumberUtil.changeNumberSuccess
+import org.thoughtcrime.securesms.components.settings.app.changenumber.ChangeNumberUtil.getCaptchaArguments
+import org.thoughtcrime.securesms.components.settings.app.changenumber.ChangeNumberUtil.getViewModel
+import org.thoughtcrime.securesms.keyvalue.SignalStore
+import org.thoughtcrime.securesms.registration.fragments.BaseEnterCodeFragment
+
+class ChangeNumberEnterCodeFragment : BaseEnterCodeFragment<ChangeNumberViewModel>(R.layout.fragment_change_number_enter_code) {
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    super.onViewCreated(view, savedInstanceState)
+
+    val toolbar: Toolbar = view.findViewById(R.id.toolbar)
+    toolbar.title = viewModel.number.fullFormattedNumber
+    toolbar.setNavigationOnClickListener { navigateUp() }
+
+    view.findViewById<View>(R.id.verify_header).setOnClickListener(null)
+
+    requireActivity().onBackPressedDispatcher.addCallback(
+      viewLifecycleOwner,
+      object : OnBackPressedCallback(true) {
+        override fun handleOnBackPressed() {
+          navigateUp()
+        }
+      }
+    )
+  }
+
+  private fun navigateUp() {
+    if (SignalStore.misc().isChangeNumberLocked) {
+      startActivity(ChangeNumberLockActivity.createIntent(requireContext()))
+    } else {
+      findNavController().navigateUp()
+    }
+  }
+
+  override fun getViewModel(): ChangeNumberViewModel {
+    return getViewModel(this)
+  }
+
+  override fun handleSuccessfulVerify() {
+    displaySuccess { changeNumberSuccess() }
+  }
+
+  override fun navigateToCaptcha() {
+    findNavController().navigate(R.id.action_changeNumberEnterCodeFragment_to_captchaFragment, getCaptchaArguments())
+  }
+
+  override fun navigateToRegistrationLock(timeRemaining: Long) {
+    findNavController().navigate(ChangeNumberEnterCodeFragmentDirections.actionChangeNumberEnterCodeFragmentToChangeNumberRegistrationLock(timeRemaining))
+  }
+
+  override fun navigateToKbsAccountLocked() {
+    findNavController().navigate(ChangeNumberEnterCodeFragmentDirections.actionChangeNumberEnterCodeFragmentToChangeNumberAccountLocked())
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberEnterPhoneNumberFragment.kt

@@ -0,0 +1,174 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.os.Bundle
+import android.text.TextUtils
+import android.view.View
+import android.widget.ScrollView
+import android.widget.Spinner
+import android.widget.Toast
+import androidx.appcompat.widget.Toolbar
+import androidx.navigation.fragment.findNavController
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.thoughtcrime.securesms.LoggingFragment
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.components.LabeledEditText
+import org.thoughtcrime.securesms.components.settings.app.changenumber.ChangeNumberUtil.getViewModel
+import org.thoughtcrime.securesms.components.settings.app.changenumber.ChangeNumberViewModel.ContinueStatus
+import org.thoughtcrime.securesms.registration.fragments.CountryPickerFragment
+import org.thoughtcrime.securesms.registration.fragments.CountryPickerFragmentArgs
+import org.thoughtcrime.securesms.registration.util.RegistrationNumberInputController
+import org.thoughtcrime.securesms.util.Dialogs
+
+private const val OLD_NUMBER_COUNTRY_SELECT = "old_number_country"
+private const val NEW_NUMBER_COUNTRY_SELECT = "new_number_country"
+
+class ChangeNumberEnterPhoneNumberFragment : LoggingFragment(R.layout.fragment_change_number_enter_phone_number) {
+
+  private lateinit var scrollView: ScrollView
+
+  private lateinit var oldNumberCountrySpinner: Spinner
+  private lateinit var oldNumberCountryCode: LabeledEditText
+  private lateinit var oldNumber: LabeledEditText
+
+  private lateinit var newNumberCountrySpinner: Spinner
+  private lateinit var newNumberCountryCode: LabeledEditText
+  private lateinit var newNumber: LabeledEditText
+
+  private lateinit var viewModel: ChangeNumberViewModel
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    viewModel = getViewModel(this)
+
+    val toolbar: Toolbar = view.findViewById(R.id.toolbar)
+    toolbar.setTitle(R.string.ChangeNumberEnterPhoneNumberFragment__change_number)
+    toolbar.setNavigationOnClickListener { findNavController().navigateUp() }
+
+    view.findViewById<View>(R.id.change_number_enter_phone_number_continue).setOnClickListener {
+      onContinue()
+    }
+
+    scrollView = view.findViewById(R.id.change_number_enter_phone_number_scroll)
+
+    oldNumberCountrySpinner = view.findViewById(R.id.change_number_enter_phone_number_old_number_spinner)
+    oldNumberCountryCode = view.findViewById(R.id.change_number_enter_phone_number_old_number_country_code)
+    oldNumber = view.findViewById(R.id.change_number_enter_phone_number_old_number_number)
+
+    val oldController = RegistrationNumberInputController(
+      requireContext(),
+      oldNumberCountryCode,
+      oldNumber,
+      oldNumberCountrySpinner,
+      false,
+      object : RegistrationNumberInputController.Callbacks {
+        override fun onNumberFocused() {
+          scrollView.postDelayed({ scrollView.smoothScrollTo(0, oldNumber.bottom) }, 250)
+        }
+
+        override fun onNumberInputNext(view: View) {
+          newNumberCountryCode.requestFocus()
+        }
+
+        override fun onNumberInputDone(view: View) = Unit
+
+        override fun onPickCountry(view: View) {
+          val arguments: CountryPickerFragmentArgs = CountryPickerFragmentArgs.Builder().setResultKey(OLD_NUMBER_COUNTRY_SELECT).build()
+
+          findNavController().navigate(R.id.action_enterPhoneNumberChangeFragment_to_countryPickerFragment, arguments.toBundle())
+        }
+
+        override fun setNationalNumber(number: String) {
+          viewModel.setOldNationalNumber(number)
+        }
+
+        override fun setCountry(countryCode: Int) {
+          viewModel.setOldCountry(countryCode)
+        }
+      }
+    )
+
+    newNumberCountrySpinner = view.findViewById(R.id.change_number_enter_phone_number_new_number_spinner)
+    newNumberCountryCode = view.findViewById(R.id.change_number_enter_phone_number_new_number_country_code)
+    newNumber = view.findViewById(R.id.change_number_enter_phone_number_new_number_number)
+
+    val newController = RegistrationNumberInputController(
+      requireContext(),
+      newNumberCountryCode,
+      newNumber,
+      newNumberCountrySpinner,
+      true,
+      object : RegistrationNumberInputController.Callbacks {
+        override fun onNumberFocused() {
+          scrollView.postDelayed({ scrollView.smoothScrollTo(0, newNumber.bottom) }, 250)
+        }
+
+        override fun onNumberInputNext(view: View) = Unit
+
+        override fun onNumberInputDone(view: View) {
+          onContinue()
+        }
+
+        override fun onPickCountry(view: View) {
+          val arguments: CountryPickerFragmentArgs = CountryPickerFragmentArgs.Builder().setResultKey(NEW_NUMBER_COUNTRY_SELECT).build()
+
+          findNavController().navigate(R.id.action_enterPhoneNumberChangeFragment_to_countryPickerFragment, arguments.toBundle())
+        }
+
+        override fun setNationalNumber(number: String) {
+          viewModel.setNewNationalNumber(number)
+        }
+
+        override fun setCountry(countryCode: Int) {
+          viewModel.setNewCountry(countryCode)
+        }
+      }
+    )
+
+    parentFragmentManager.setFragmentResultListener(OLD_NUMBER_COUNTRY_SELECT, this) { _, bundle ->
+      viewModel.setOldCountry(bundle.getInt(CountryPickerFragment.KEY_COUNTRY_CODE), bundle.getString(CountryPickerFragment.KEY_COUNTRY))
+    }
+
+    parentFragmentManager.setFragmentResultListener(NEW_NUMBER_COUNTRY_SELECT, this) { _, bundle ->
+      viewModel.setNewCountry(bundle.getInt(CountryPickerFragment.KEY_COUNTRY_CODE), bundle.getString(CountryPickerFragment.KEY_COUNTRY))
+    }
+
+    viewModel.getLiveOldNumber().observe(viewLifecycleOwner, oldController::updateNumber)
+    viewModel.getLiveNewNumber().observe(viewLifecycleOwner, newController::updateNumber)
+  }
+
+  private fun onContinue() {
+    if (TextUtils.isEmpty(oldNumberCountryCode.text)) {
+      Toast.makeText(context, getString(R.string.ChangeNumberEnterPhoneNumberFragment__you_must_specify_your_old_number_country_code), Toast.LENGTH_LONG).show()
+      return
+    }
+
+    if (TextUtils.isEmpty(oldNumber.text)) {
+      Toast.makeText(context, getString(R.string.ChangeNumberEnterPhoneNumberFragment__you_must_specify_your_old_phone_number), Toast.LENGTH_LONG).show()
+      return
+    }
+
+    if (TextUtils.isEmpty(newNumberCountryCode.text)) {
+      Toast.makeText(context, getString(R.string.ChangeNumberEnterPhoneNumberFragment__you_must_specify_your_new_number_country_code), Toast.LENGTH_LONG).show()
+      return
+    }
+
+    if (TextUtils.isEmpty(newNumber.text)) {
+      Toast.makeText(context, getString(R.string.ChangeNumberEnterPhoneNumberFragment__you_must_specify_your_new_phone_number), Toast.LENGTH_LONG).show()
+      return
+    }
+
+    when (viewModel.canContinue()) {
+      ContinueStatus.CAN_CONTINUE -> findNavController().navigate(R.id.action_enterPhoneNumberChangeFragment_to_changePhoneNumberConfirmFragment)
+      ContinueStatus.INVALID_NUMBER -> {
+        Dialogs.showAlertDialog(
+          context, getString(R.string.RegistrationActivity_invalid_number), String.format(getString(R.string.RegistrationActivity_the_number_you_specified_s_is_invalid), viewModel.number.e164Number)
+        )
+      }
+      ContinueStatus.OLD_NUMBER_DOESNT_MATCH -> {
+        MaterialAlertDialogBuilder(requireContext())
+          .setMessage(R.string.ChangeNumberEnterPhoneNumberFragment__the_phone_number_you_entered_doesnt_match_your_accounts)
+          .setPositiveButton(android.R.string.ok, null)
+          .show()
+      }
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberFragment.kt

@@ -0,0 +1,19 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.os.Bundle
+import android.view.View
+import androidx.appcompat.widget.Toolbar
+import androidx.navigation.fragment.findNavController
+import org.thoughtcrime.securesms.LoggingFragment
+import org.thoughtcrime.securesms.R
+
+class ChangeNumberFragment : LoggingFragment(R.layout.fragment_change_phone_number) {
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    val toolbar: Toolbar = view.findViewById(R.id.toolbar)
+    toolbar.setNavigationOnClickListener { findNavController().navigateUp() }
+
+    view.findViewById<View>(R.id.change_phone_number_continue).setOnClickListener {
+      findNavController().navigate(R.id.action_changePhoneNumberFragment_to_enterPhoneNumberChangeFragment)
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberLockActivity.kt

@@ -0,0 +1,108 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
+import io.reactivex.rxjava3.core.Single
+import io.reactivex.rxjava3.kotlin.subscribeBy
+import org.signal.core.util.logging.Log
+import org.thoughtcrime.securesms.MainActivity
+import org.thoughtcrime.securesms.PassphraseRequiredActivity
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.keyvalue.SignalStore
+import org.thoughtcrime.securesms.logsubmit.SubmitDebugLogActivity
+import org.thoughtcrime.securesms.phonenumbers.PhoneNumberFormatter
+import org.thoughtcrime.securesms.util.DynamicNoActionBarTheme
+import org.thoughtcrime.securesms.util.DynamicTheme
+import org.thoughtcrime.securesms.util.LifecycleDisposable
+import org.thoughtcrime.securesms.util.TextSecurePreferences
+import java.util.Objects
+
+private val TAG: String = Log.tag(ChangeNumberLockActivity::class.java)
+
+/**
+ * A captive activity that can determine if an interrupted/erred change number request
+ * caused a disparity between the server and our locally stored number.
+ */
+class ChangeNumberLockActivity : PassphraseRequiredActivity() {
+
+  private val dynamicTheme: DynamicTheme = DynamicNoActionBarTheme()
+  private val disposables: LifecycleDisposable = LifecycleDisposable()
+  private lateinit var changeNumberRepository: ChangeNumberRepository
+
+  override fun onCreate(savedInstanceState: Bundle?, ready: Boolean) {
+    dynamicTheme.onCreate(this)
+    disposables.bindTo(lifecycle)
+
+    setContentView(R.layout.activity_change_number_lock)
+
+    changeNumberRepository = ChangeNumberRepository(applicationContext)
+    checkWhoAmI()
+  }
+
+  override fun onResume() {
+    super.onResume()
+    dynamicTheme.onResume(this)
+  }
+
+  override fun onBackPressed() = Unit
+
+  private fun checkWhoAmI() {
+    disposables.add(
+      changeNumberRepository.whoAmI()
+        .flatMap { whoAmI ->
+          if (Objects.equals(whoAmI.number, TextSecurePreferences.getLocalNumber(this))) {
+            Log.i(TAG, "Local and remote numbers match, nothing needs to be done.")
+            Single.just(false)
+          } else {
+            Log.i(TAG, "Local (${TextSecurePreferences.getLocalNumber(this)}) and remote (${whoAmI.number}) numbers do not match, updating local.")
+            changeNumberRepository.changeLocalNumber(whoAmI.number)
+              .map { true }
+          }
+        }
+        .observeOn(AndroidSchedulers.mainThread())
+        .subscribeBy(onSuccess = { onChangeStatusConfirmed() }, onError = this::onFailedToGetChangeNumberStatus)
+    )
+  }
+
+  private fun onChangeStatusConfirmed() {
+    SignalStore.misc().unlockChangeNumber()
+
+    MaterialAlertDialogBuilder(this)
+      .setTitle(R.string.ChangeNumberLockActivity__change_status_confirmed)
+      .setMessage(getString(R.string.ChangeNumberLockActivity__your_number_has_been_confirmed_as_s, PhoneNumberFormatter.prettyPrint(TextSecurePreferences.getLocalNumber(this))))
+      .setPositiveButton(android.R.string.ok) { _, _ ->
+        startActivity(MainActivity.clearTop(this))
+        finish()
+      }
+      .setCancelable(false)
+      .show()
+  }
+
+  private fun onFailedToGetChangeNumberStatus(error: Throwable) {
+    Log.w(TAG, "Unable to determine status of change number", error)
+
+    MaterialAlertDialogBuilder(this)
+      .setTitle(R.string.ChangeNumberLockActivity__change_status_unconfirmed)
+      .setMessage(getString(R.string.ChangeNumberLockActivity__we_could_not_determine_the_status_of_your_change_number_request, error.javaClass.simpleName))
+      .setPositiveButton(R.string.ChangeNumberLockActivity__retry) { _, _ -> checkWhoAmI() }
+      .setNegativeButton(R.string.ChangeNumberLockActivity__leave) { _, _ -> finish() }
+      .setNeutralButton(R.string.ChangeNumberLockActivity__submit_debug_log) { _, _ ->
+        startActivity(Intent(this, SubmitDebugLogActivity::class.java))
+        finish()
+      }
+      .setCancelable(false)
+      .show()
+  }
+
+  companion object {
+    @JvmStatic
+    fun createIntent(context: Context): Intent {
+      return Intent(context, ChangeNumberLockActivity::class.java).apply {
+        flags = Intent.FLAG_ACTIVITY_SINGLE_TOP
+      }
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberPinDiffersFragment.kt

@@ -0,0 +1,43 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.os.Bundle
+import android.view.View
+import androidx.activity.OnBackPressedCallback
+import androidx.activity.result.contract.ActivityResultContracts
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.thoughtcrime.securesms.LoggingFragment
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.components.settings.app.changenumber.ChangeNumberUtil.changeNumberSuccess
+import org.thoughtcrime.securesms.lock.v2.CreateKbsPinActivity
+
+class ChangeNumberPinDiffersFragment : LoggingFragment(R.layout.fragment_change_number_pin_differs) {
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    view.findViewById<View>(R.id.change_number_pin_differs_keep_old_pin).setOnClickListener {
+      changeNumberSuccess()
+    }
+
+    val changePin = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+      if (result.resultCode == CreateKbsPinActivity.RESULT_OK) {
+        changeNumberSuccess()
+      }
+    }
+
+    view.findViewById<View>(R.id.change_number_pin_differs_update_pin).setOnClickListener {
+      changePin.launch(CreateKbsPinActivity.getIntentForPinChangeFromSettings(requireContext()))
+    }
+
+    requireActivity().onBackPressedDispatcher.addCallback(
+      viewLifecycleOwner,
+      object : OnBackPressedCallback(true) {
+        override fun handleOnBackPressed() {
+          MaterialAlertDialogBuilder(requireContext())
+            .setMessage(R.string.ChangeNumberPinDiffersFragment__keep_old_pin_question)
+            .setPositiveButton(android.R.string.ok) { _, _ -> changeNumberSuccess() }
+            .setNegativeButton(android.R.string.cancel, null)
+            .show()
+        }
+      }
+    )
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberRegistrationLockFragment.kt

@@ -0,0 +1,81 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.os.Bundle
+import android.view.View
+import androidx.activity.OnBackPressedCallback
+import androidx.appcompat.widget.Toolbar
+import androidx.navigation.fragment.findNavController
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.components.settings.app.changenumber.ChangeNumberUtil.changeNumberSuccess
+import org.thoughtcrime.securesms.keyvalue.SignalStore
+import org.thoughtcrime.securesms.lock.PinHashing
+import org.thoughtcrime.securesms.registration.fragments.BaseRegistrationLockFragment
+import org.thoughtcrime.securesms.registration.viewmodel.BaseRegistrationViewModel
+import org.thoughtcrime.securesms.util.CircularProgressButtonUtil.cancelSpinning
+import org.thoughtcrime.securesms.util.CommunicationActions
+import org.thoughtcrime.securesms.util.SupportEmailUtil
+
+class ChangeNumberRegistrationLockFragment : BaseRegistrationLockFragment(R.layout.fragment_change_number_registration_lock) {
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    super.onViewCreated(view, savedInstanceState)
+
+    val toolbar: Toolbar = view.findViewById(R.id.toolbar)
+    toolbar.setNavigationOnClickListener { navigateUp() }
+
+    requireActivity().onBackPressedDispatcher.addCallback(
+      viewLifecycleOwner,
+      object : OnBackPressedCallback(true) {
+        override fun handleOnBackPressed() {
+          navigateUp()
+        }
+      }
+    )
+  }
+
+  override fun getViewModel(): BaseRegistrationViewModel {
+    return ChangeNumberUtil.getViewModel(this)
+  }
+
+  override fun navigateToAccountLocked() {
+    findNavController().navigate(ChangeNumberRegistrationLockFragmentDirections.actionChangeNumberRegistrationLockToChangeNumberAccountLocked())
+  }
+
+  override fun handleSuccessfulPinEntry(pin: String) {
+    val pinsDiffer: Boolean = SignalStore.kbsValues().localPinHash?.let { !PinHashing.verifyLocalPinHash(it, pin) } ?: false
+
+    cancelSpinning(pinButton)
+
+    if (pinsDiffer) {
+      findNavController().navigate(ChangeNumberRegistrationLockFragmentDirections.actionChangeNumberRegistrationLockToChangeNumberPinDiffers())
+    } else {
+      changeNumberSuccess()
+    }
+  }
+
+  override fun sendEmailToSupport() {
+    val subject = R.string.ChangeNumberRegistrationLockFragment__signal_change_number_need_help_with_pin_for_android_v2_pin
+
+    val body: String = SupportEmailUtil.generateSupportEmailBody(
+      requireContext(),
+      subject,
+      null,
+      null
+    )
+
+    CommunicationActions.openEmail(
+      requireContext(),
+      SupportEmailUtil.getSupportEmailAddress(requireContext()),
+      getString(subject),
+      body
+    )
+  }
+
+  private fun navigateUp() {
+    if (SignalStore.misc().isChangeNumberLocked) {
+      startActivity(ChangeNumberLockActivity.createIntent(requireContext()))
+    } else {
+      findNavController().navigateUp()
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberRepository.kt

@@ -0,0 +1,93 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.content.Context
+import androidx.annotation.WorkerThread
+import io.reactivex.rxjava3.core.Single
+import io.reactivex.rxjava3.schedulers.Schedulers
+import org.signal.core.util.logging.Log
+import org.thoughtcrime.securesms.database.DatabaseFactory
+import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
+import org.thoughtcrime.securesms.keyvalue.CertificateType
+import org.thoughtcrime.securesms.keyvalue.SignalStore
+import org.thoughtcrime.securesms.pin.KbsRepository
+import org.thoughtcrime.securesms.pin.KeyBackupSystemWrongPinException
+import org.thoughtcrime.securesms.pin.TokenData
+import org.thoughtcrime.securesms.registration.VerifyAccountRepository
+import org.thoughtcrime.securesms.util.TextSecurePreferences
+import org.whispersystems.signalservice.api.KbsPinData
+import org.whispersystems.signalservice.api.KeyBackupSystemNoDataException
+import org.whispersystems.signalservice.internal.ServiceResponse
+import org.whispersystems.signalservice.internal.push.VerifyAccountResponse
+import org.whispersystems.signalservice.internal.push.WhoAmIResponse
+
+private val TAG: String = Log.tag(ChangeNumberRepository::class.java)
+
+class ChangeNumberRepository(private val context: Context) {
+
+  private val accountManager = ApplicationDependencies.getSignalServiceAccountManager()
+
+  fun changeNumber(code: String, newE164: String): Single<ServiceResponse<VerifyAccountResponse>> {
+    return Single.fromCallable { accountManager.changeNumber(code, newE164, null) }
+      .subscribeOn(Schedulers.io())
+  }
+
+  fun changeNumber(
+    code: String,
+    newE164: String,
+    pin: String,
+    tokenData: TokenData
+  ): Single<ServiceResponse<VerifyAccountRepository.VerifyAccountWithRegistrationLockResponse>> {
+    return Single.fromCallable {
+      try {
+        val kbsData: KbsPinData = KbsRepository.restoreMasterKey(pin, tokenData.enclave, tokenData.basicAuth, tokenData.tokenResponse)!!
+        val registrationLock: String = kbsData.masterKey.deriveRegistrationLock()
+
+        val response: ServiceResponse<VerifyAccountResponse> = accountManager.changeNumber(code, newE164, registrationLock)
+        VerifyAccountRepository.VerifyAccountWithRegistrationLockResponse.from(response, kbsData)
+      } catch (e: KeyBackupSystemWrongPinException) {
+        ServiceResponse.forExecutionError(e)
+      } catch (e: KeyBackupSystemNoDataException) {
+        ServiceResponse.forExecutionError(e)
+      }
+    }.subscribeOn(Schedulers.io())
+  }
+
+  @Suppress("UsePropertyAccessSyntax")
+  fun whoAmI(): Single<WhoAmIResponse> {
+    return Single.fromCallable { ApplicationDependencies.getSignalServiceAccountManager().getWhoAmI() }
+      .subscribeOn(Schedulers.io())
+  }
+
+  @WorkerThread
+  fun changeLocalNumber(e164: String): Single<Unit> {
+    DatabaseFactory.getRecipientDatabase(context).updateSelfPhone(e164)
+
+    TextSecurePreferences.setLocalNumber(context, e164)
+
+    ApplicationDependencies.closeConnections()
+    ApplicationDependencies.getIncomingMessageObserver()
+
+    return rotateCertificates()
+  }
+
+  @Suppress("UsePropertyAccessSyntax")
+  private fun rotateCertificates(): Single<Unit> {
+    val certificateTypes = SignalStore.phoneNumberPrivacy().allCertificateTypes
+
+    Log.i(TAG, "Rotating these certificates $certificateTypes")
+
+    return Single.fromCallable {
+      for (certificateType in certificateTypes) {
+        val certificate: ByteArray? = when (certificateType) {
+          CertificateType.UUID_AND_E164 -> accountManager.getSenderCertificate()
+          CertificateType.UUID_ONLY -> accountManager.getSenderCertificateForPhoneNumberPrivacy()
+          else -> throw AssertionError()
+        }
+
+        Log.i(TAG, "Successfully got $certificateType certificate")
+
+        SignalStore.certificateValues().setUnidentifiedAccessCertificate(certificateType, certificate)
+      }
+    }.subscribeOn(Schedulers.io())
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberUtil.kt

@@ -0,0 +1,41 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.os.Bundle
+import android.widget.Toast
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.ViewModelProvider
+import androidx.navigation.fragment.NavHostFragment
+import androidx.navigation.fragment.findNavController
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.registration.fragments.CaptchaFragment
+import org.thoughtcrime.securesms.registration.viewmodel.BaseRegistrationViewModel
+
+/**
+ * Helpers for various aspects of the change number flow.
+ */
+object ChangeNumberUtil {
+  @JvmStatic
+  fun getViewModel(fragment: Fragment): ChangeNumberViewModel {
+    val navController = NavHostFragment.findNavController(fragment)
+    return ViewModelProvider(
+      navController.getViewModelStoreOwner(R.id.app_settings_change_number),
+      ChangeNumberViewModel.Factory(navController.getBackStackEntry(R.id.app_settings_change_number))
+    ).get(ChangeNumberViewModel::class.java)
+  }
+
+  fun getCaptchaArguments(): Bundle {
+    return Bundle().apply {
+      putSerializable(
+        CaptchaFragment.EXTRA_VIEW_MODEL_PROVIDER,
+        object : CaptchaFragment.CaptchaViewModelProvider {
+          override fun get(fragment: CaptchaFragment): BaseRegistrationViewModel = getViewModel(fragment)
+        }
+      )
+    }
+  }
+
+  fun Fragment.changeNumberSuccess() {
+    findNavController().navigate(R.id.action_pop_app_settings_change_number)
+    Toast.makeText(requireContext(), R.string.ChangeNumber__your_phone_number_has_been_changed, Toast.LENGTH_SHORT).show()
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberVerifyFragment.kt

@@ -0,0 +1,75 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.os.Bundle
+import android.view.View
+import android.widget.TextView
+import android.widget.Toast
+import androidx.appcompat.widget.Toolbar
+import androidx.navigation.fragment.findNavController
+import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
+import org.signal.core.util.logging.Log
+import org.thoughtcrime.securesms.LoggingFragment
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.components.settings.app.changenumber.ChangeNumberUtil.getCaptchaArguments
+import org.thoughtcrime.securesms.components.settings.app.changenumber.ChangeNumberUtil.getViewModel
+import org.thoughtcrime.securesms.registration.VerifyAccountRepository
+import org.thoughtcrime.securesms.util.LifecycleDisposable
+
+private val TAG: String = Log.tag(ChangeNumberVerifyFragment::class.java)
+
+class ChangeNumberVerifyFragment : LoggingFragment(R.layout.fragment_change_phone_number_verify) {
+  private lateinit var viewModel: ChangeNumberViewModel
+
+  private var requestingCaptcha: Boolean = false
+
+  private val lifecycleDisposable: LifecycleDisposable = LifecycleDisposable()
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    lifecycleDisposable.bindTo(lifecycle)
+    viewModel = getViewModel(this)
+  }
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    val toolbar: Toolbar = view.findViewById(R.id.toolbar)
+    toolbar.setTitle(R.string.ChangeNumberVerifyFragment__change_number)
+    toolbar.setNavigationOnClickListener { findNavController().navigateUp() }
+
+    val status: TextView = view.findViewById(R.id.change_phone_number_verify_status)
+    status.text = getString(R.string.ChangeNumberVerifyFragment__verifying_s, viewModel.number.fullFormattedNumber)
+
+    if (!requestingCaptcha || viewModel.hasCaptchaToken()) {
+      requestCode()
+    } else {
+      Toast.makeText(requireContext(), R.string.ChangeNumberVerifyFragment__captcha_required, Toast.LENGTH_SHORT).show()
+      findNavController().navigateUp()
+    }
+  }
+
+  private fun requestCode() {
+    lifecycleDisposable.add(
+      viewModel.requestVerificationCode(VerifyAccountRepository.Mode.SMS_WITHOUT_LISTENER)
+        .observeOn(AndroidSchedulers.mainThread())
+        .subscribe { processor ->
+          if (processor.hasResult()) {
+            findNavController().navigate(R.id.action_changePhoneNumberVerifyFragment_to_changeNumberEnterCodeFragment)
+          } else if (processor.localRateLimit()) {
+            Log.i(TAG, "Unable to request sms code due to local rate limit")
+            findNavController().navigate(R.id.action_changePhoneNumberVerifyFragment_to_changeNumberEnterCodeFragment)
+          } else if (processor.captchaRequired()) {
+            Log.i(TAG, "Unable to request sms code due to captcha required")
+            findNavController().navigate(R.id.action_changePhoneNumberVerifyFragment_to_captchaFragment, getCaptchaArguments())
+            requestingCaptcha = true
+          } else if (processor.rateLimit()) {
+            Log.i(TAG, "Unable to request sms code due to rate limit")
+            Toast.makeText(requireContext(), R.string.RegistrationActivity_rate_limited_to_service, Toast.LENGTH_LONG).show()
+            findNavController().navigateUp()
+          } else {
+            Log.w(TAG, "Unable to request sms code", processor.error)
+            Toast.makeText(requireContext(), R.string.RegistrationActivity_unable_to_connect_to_service, Toast.LENGTH_LONG).show()
+            findNavController().navigateUp()
+          }
+        }
+    )
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/changenumber/ChangeNumberViewModel.kt

@@ -0,0 +1,191 @@
+package org.thoughtcrime.securesms.components.settings.app.changenumber
+
+import android.app.Application
+import androidx.annotation.WorkerThread
+import androidx.lifecycle.AbstractSavedStateViewModelFactory
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.SavedStateHandle
+import androidx.lifecycle.ViewModel
+import androidx.savedstate.SavedStateRegistryOwner
+import com.google.i18n.phonenumbers.NumberParseException
+import com.google.i18n.phonenumbers.PhoneNumberUtil
+import io.reactivex.rxjava3.core.Single
+import org.signal.core.util.logging.Log
+import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
+import org.thoughtcrime.securesms.keyvalue.SignalStore
+import org.thoughtcrime.securesms.pin.KbsRepository
+import org.thoughtcrime.securesms.pin.TokenData
+import org.thoughtcrime.securesms.registration.VerifyAccountRepository
+import org.thoughtcrime.securesms.registration.VerifyAccountResponseProcessor
+import org.thoughtcrime.securesms.registration.VerifyAccountResponseWithoutKbs
+import org.thoughtcrime.securesms.registration.VerifyCodeWithRegistrationLockResponseProcessor
+import org.thoughtcrime.securesms.registration.VerifyProcessor
+import org.thoughtcrime.securesms.registration.viewmodel.BaseRegistrationViewModel
+import org.thoughtcrime.securesms.registration.viewmodel.NumberViewState
+import org.thoughtcrime.securesms.util.DefaultValueLiveData
+import org.thoughtcrime.securesms.util.TextSecurePreferences
+import org.whispersystems.signalservice.internal.ServiceResponse
+import org.whispersystems.signalservice.internal.push.VerifyAccountResponse
+import java.util.Objects
+
+private val TAG: String = Log.tag(ChangeNumberViewModel::class.java)
+
+class ChangeNumberViewModel(
+  private val localNumber: String,
+  private val changeNumberRepository: ChangeNumberRepository,
+  savedState: SavedStateHandle,
+  password: String,
+  verifyAccountRepository: VerifyAccountRepository,
+  kbsRepository: KbsRepository,
+) : BaseRegistrationViewModel(savedState, verifyAccountRepository, kbsRepository, password) {
+
+  var oldNumberState: NumberViewState = NumberViewState.Builder().build()
+    private set
+
+  private val liveOldNumberState = DefaultValueLiveData(oldNumberState)
+  private val liveNewNumberState = DefaultValueLiveData(number)
+
+  init {
+    try {
+      val countryCode: Int = PhoneNumberUtil.getInstance()
+        .parse(localNumber, null)
+        .countryCode
+
+      setOldCountry(countryCode)
+      setNewCountry(countryCode)
+    } catch (e: NumberParseException) {
+      Log.i(TAG, "Unable to parse number for default country code")
+    }
+  }
+
+  fun getLiveOldNumber(): LiveData<NumberViewState> {
+    return liveOldNumberState
+  }
+
+  fun getLiveNewNumber(): LiveData<NumberViewState> {
+    return liveNewNumberState
+  }
+
+  fun setOldNationalNumber(number: String) {
+    oldNumberState = oldNumberState.toBuilder()
+      .nationalNumber(number)
+      .build()
+
+    liveOldNumberState.value = oldNumberState
+  }
+
+  fun setOldCountry(countryCode: Int, country: String? = null) {
+    oldNumberState = oldNumberState.toBuilder()
+      .selectedCountryDisplayName(country)
+      .countryCode(countryCode)
+      .build()
+
+    liveOldNumberState.value = oldNumberState
+  }
+
+  fun setNewNationalNumber(number: String) {
+    setNationalNumber(number)
+
+    liveNewNumberState.value = this.number
+  }
+
+  fun setNewCountry(countryCode: Int, country: String? = null) {
+    onCountrySelected(country, countryCode)
+
+    liveNewNumberState.value = this.number
+  }
+
+  fun canContinue(): ContinueStatus {
+    return if (oldNumberState.e164Number == localNumber) {
+      if (number.isValid) {
+        ContinueStatus.CAN_CONTINUE
+      } else {
+        ContinueStatus.INVALID_NUMBER
+      }
+    } else {
+      ContinueStatus.OLD_NUMBER_DOESNT_MATCH
+    }
+  }
+
+  override fun verifyCodeWithoutRegistrationLock(code: String): Single<VerifyAccountResponseProcessor> {
+    return super.verifyCodeWithoutRegistrationLock(code)
+      .doOnSubscribe { SignalStore.misc().lockChangeNumber() }
+      .flatMap(this::attemptToUnlockChangeNumber)
+  }
+
+  override fun verifyCodeAndRegisterAccountWithRegistrationLock(pin: String): Single<VerifyCodeWithRegistrationLockResponseProcessor> {
+    return super.verifyCodeAndRegisterAccountWithRegistrationLock(pin)
+      .doOnSubscribe { SignalStore.misc().lockChangeNumber() }
+      .flatMap(this::attemptToUnlockChangeNumber)
+  }
+
+  private fun <T : VerifyProcessor> attemptToUnlockChangeNumber(processor: T): Single<T> {
+    return if (processor.hasResult() || processor.isServerSentError()) {
+      SignalStore.misc().unlockChangeNumber()
+      Single.just(processor)
+    } else {
+      changeNumberRepository.whoAmI()
+        .map { whoAmI ->
+          if (Objects.equals(whoAmI.number, localNumber)) {
+            Log.i(TAG, "Local and remote numbers match, we can unlock.")
+            SignalStore.misc().unlockChangeNumber()
+          }
+          processor
+        }
+        .onErrorReturn { processor }
+    }
+  }
+
+  override fun verifyAccountWithoutRegistrationLock(): Single<ServiceResponse<VerifyAccountResponse>> {
+    return changeNumberRepository.changeNumber(textCodeEntered, number.e164Number)
+  }
+
+  override fun verifyAccountWithRegistrationLock(pin: String, kbsTokenData: TokenData): Single<ServiceResponse<VerifyAccountRepository.VerifyAccountWithRegistrationLockResponse>> {
+    return changeNumberRepository.changeNumber(textCodeEntered, number.e164Number, pin, kbsTokenData)
+  }
+
+  @WorkerThread
+  override fun onVerifySuccess(processor: VerifyAccountResponseProcessor): Single<VerifyAccountResponseProcessor> {
+    return changeNumberRepository.changeLocalNumber(number.e164Number)
+      .map { processor }
+      .onErrorReturn { t ->
+        Log.w(TAG, "Error attempting to change local number", t)
+        VerifyAccountResponseWithoutKbs(ServiceResponse.forUnknownError(t))
+      }
+  }
+
+  override fun onVerifySuccessWithRegistrationLock(processor: VerifyCodeWithRegistrationLockResponseProcessor, pin: String): Single<VerifyCodeWithRegistrationLockResponseProcessor> {
+    return changeNumberRepository.changeLocalNumber(number.e164Number)
+      .map { processor }
+      .onErrorReturn { t ->
+        Log.w(TAG, "Error attempting to change local number", t)
+        VerifyCodeWithRegistrationLockResponseProcessor(ServiceResponse.forUnknownError(t), processor.token)
+      }
+  }
+
+  class Factory(owner: SavedStateRegistryOwner) : AbstractSavedStateViewModelFactory(owner, null) {
+
+    override fun <T : ViewModel?> create(key: String, modelClass: Class<T>, handle: SavedStateHandle): T {
+      val context: Application = ApplicationDependencies.getApplication()
+      val localNumber: String = TextSecurePreferences.getLocalNumber(context)
+      val password: String = TextSecurePreferences.getPushServerPassword(context)
+
+      val viewModel = ChangeNumberViewModel(
+        localNumber = localNumber,
+        changeNumberRepository = ChangeNumberRepository(context),
+        savedState = handle,
+        password = password,
+        verifyAccountRepository = VerifyAccountRepository(context),
+        kbsRepository = KbsRepository()
+      )
+
+      return requireNotNull(modelClass.cast(viewModel))
+    }
+  }
+
+  enum class ContinueStatus {
+    CAN_CONTINUE,
+    INVALID_NUMBER,
+    OLD_NUMBER_DOESNT_MATCH
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/chats/ChatsSettingsViewModel.kt

@@ -7,6 +7,7 @@ import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
 import org.thoughtcrime.securesms.jobs.MultiDeviceContactUpdateJob
 import org.thoughtcrime.securesms.keyvalue.SignalStore
 import org.thoughtcrime.securesms.storage.StorageSyncHelper
+import org.thoughtcrime.securesms.util.BackupUtil
 import org.thoughtcrime.securesms.util.ConversationUtil
 import org.thoughtcrime.securesms.util.ThrottledDebouncer
 import org.thoughtcrime.securesms.util.livedata.Store
@@ -21,7 +22,7 @@ class ChatsSettingsViewModel(private val repository: ChatsSettingsRepository) :
       useAddressBook = SignalStore.settings().isPreferSystemContactPhotos,
       useSystemEmoji = SignalStore.settings().isPreferSystemEmoji,
       enterKeySends = SignalStore.settings().isEnterKeySends,
-      chatBackupsEnabled = SignalStore.settings().isBackupEnabled
+      chatBackupsEnabled = SignalStore.settings().isBackupEnabled && BackupUtil.canUserAccessBackupDirectory(ApplicationDependencies.getApplication())
     )
   )
 

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsFragment.kt

@@ -16,6 +16,7 @@ import org.thoughtcrime.securesms.components.settings.DSLSettingsFragment
 import org.thoughtcrime.securesms.components.settings.DSLSettingsText
 import org.thoughtcrime.securesms.components.settings.configure
 import org.thoughtcrime.securesms.database.DatabaseFactory
+import org.thoughtcrime.securesms.database.LocalMetricsDatabase
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
 import org.thoughtcrime.securesms.jobs.RefreshAttributesJob
 import org.thoughtcrime.securesms.jobs.RefreshOwnProfileJob
@@ -73,8 +74,8 @@ class InternalSettingsFragment : DSLSettingsFragment(R.string.preferences__inter
       )
 
       clickPref(
-        title = DSLSettingsText.from(R.string.preferences__internal_refresh_remote_values),
-        summary = DSLSettingsText.from(R.string.preferences__internal_refresh_remote_values_description),
+        title = DSLSettingsText.from(R.string.preferences__internal_refresh_remote_config),
+        summary = DSLSettingsText.from(R.string.preferences__internal_refresh_remote_config_description),
         onClick = {
           refreshRemoteValues()
         }
@@ -82,7 +83,7 @@ class InternalSettingsFragment : DSLSettingsFragment(R.string.preferences__inter
 
       dividerPref()
 
-      sectionHeaderPref(R.string.preferences__internal_display)
+      sectionHeaderPref(R.string.preferences__internal_misc)
 
       switchPref(
         title = DSLSettingsText.from(R.string.preferences__internal_user_details),
@@ -93,6 +94,15 @@ class InternalSettingsFragment : DSLSettingsFragment(R.string.preferences__inter
         }
       )
 
+      switchPref(
+        title = DSLSettingsText.from(R.string.preferences__internal_shake_to_report),
+        summary = DSLSettingsText.from(R.string.preferences__internal_shake_to_report_description),
+        isChecked = state.shakeToReport,
+        onClick = {
+          viewModel.setShakeToReport(!state.shakeToReport)
+        }
+      )
+
       dividerPref()
 
       sectionHeaderPref(R.string.preferences__internal_storage_service)
@@ -255,6 +265,18 @@ class InternalSettingsFragment : DSLSettingsFragment(R.string.preferences__inter
 
       dividerPref()
 
+      sectionHeaderPref(R.string.preferences__internal_local_metrics)
+
+      clickPref(
+        title = DSLSettingsText.from(R.string.preferences__internal_clear_local_metrics),
+        summary = DSLSettingsText.from(R.string.preferences__internal_click_to_clear_all_local_metrics_state),
+        onClick = {
+          clearAllLocalMetricsState()
+        }
+      )
+
+      dividerPref()
+
       sectionHeaderPref(R.string.preferences__internal_calling)
 
       radioPref(
@@ -354,4 +376,9 @@ class InternalSettingsFragment : DSLSettingsFragment(R.string.preferences__inter
     DatabaseFactory.getSenderKeySharedDatabase(requireContext()).deleteAll()
     Toast.makeText(context, "Deleted all sender key shared state.", Toast.LENGTH_SHORT).show()
   }
+
+  private fun clearAllLocalMetricsState() {
+    LocalMetricsDatabase.getInstance(ApplicationDependencies.getApplication()).clear()
+    Toast.makeText(context, "Cleared all local metrics state.", Toast.LENGTH_SHORT).show()
+  }
 }

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsState.kt

@@ -4,6 +4,7 @@ import org.thoughtcrime.securesms.emoji.EmojiFiles
 
 data class InternalSettingsState(
   val seeMoreUserDetails: Boolean,
+  val shakeToReport: Boolean,
   val gv2doNotCreateGv2Groups: Boolean,
   val gv2forceInvites: Boolean,
   val gv2ignoreServerChanges: Boolean,

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsViewModel.kt

@@ -25,6 +25,11 @@ class InternalSettingsViewModel(private val repository: InternalSettingsReposito
     refresh()
   }
 
+  fun setShakeToReport(enabled: Boolean) {
+    preferenceDataStore.putBoolean(InternalValues.SHAKE_TO_REPORT, enabled)
+    refresh()
+  }
+
   fun setGv2DoNotCreateGv2Groups(enabled: Boolean) {
     preferenceDataStore.putBoolean(InternalValues.GV2_DO_NOT_CREATE_GV2, enabled)
     refresh()
@@ -86,6 +91,7 @@ class InternalSettingsViewModel(private val repository: InternalSettingsReposito
 
   private fun getState() = InternalSettingsState(
     seeMoreUserDetails = SignalStore.internalValues().recipientDetails(),
+    shakeToReport = SignalStore.internalValues().shakeToReport(),
     gv2doNotCreateGv2Groups = SignalStore.internalValues().gv2DoNotCreateGv2Groups(),
     gv2forceInvites = SignalStore.internalValues().gv2ForceInvites(),
     gv2ignoreServerChanges = SignalStore.internalValues().gv2IgnoreServerChanges(),

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/privacy/expire/ExpireTimerSettingsRepository.kt

@@ -38,7 +38,7 @@ class ExpireTimerSettingsRepository(val context: Context) {
       } else {
         DatabaseFactory.getRecipientDatabase(context).setExpireMessages(recipientId, newExpirationTime)
         val outgoingMessage = OutgoingExpirationUpdateMessage(Recipient.resolved(recipientId), System.currentTimeMillis(), newExpirationTime * 1000L)
-        MessageSender.send(context, outgoingMessage, getThreadId(recipientId), false, null)
+        MessageSender.send(context, outgoingMessage, getThreadId(recipientId), false, null, null)
         consumer.invoke(Result.success(newExpirationTime))
       }
     }
@@ -48,6 +48,6 @@ class ExpireTimerSettingsRepository(val context: Context) {
   private fun getThreadId(recipientId: RecipientId): Long {
     val threadDatabase: ThreadDatabase = DatabaseFactory.getThreadDatabase(context)
     val recipient: Recipient = Recipient.resolved(recipientId)
-    return threadDatabase.getThreadIdFor(recipient)
+    return threadDatabase.getOrCreateThreadIdFor(recipient)
   }
 }

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/privacy/expire/ExpireTimerSettingsViewModel.kt

@@ -19,7 +19,7 @@ class ExpireTimerSettingsViewModel(val config: Config, private val repository: E
 
   init {
     if (recipientId != null) {
-      store.update(Recipient.live(recipientId).liveData) { r, s -> s.copy(initialTimer = r.expireMessages, isForRecipient = true) }
+      store.update(Recipient.live(recipientId).liveData) { r, s -> s.copy(initialTimer = r.expiresInSeconds, isForRecipient = true) }
     } else {
       store.update { it.copy(initialTimer = config.initialValue ?: SignalStore.settings().universalExpireTimer) }
     }

app/src/main/java/org/thoughtcrime/securesms/components/settings/conversation/ConversationSettingsEvent.kt

@@ -15,6 +15,7 @@ sealed class ConversationSettingsEvent {
     val groupId: GroupId,
     val selectionWarning: Int,
     val selectionLimit: Int,
+    val isAnnouncementGroup: Boolean,
     val groupMembersWithoutSelf: List<RecipientId>
   ) : ConversationSettingsEvent()
 

app/src/main/java/org/thoughtcrime/securesms/components/settings/conversation/ConversationSettingsFragment.kt

@@ -237,11 +237,13 @@ class ConversationSettingsFragment : DSLSettingsFragment(
         AvatarPreference.Model(
           recipient = state.recipient,
           onAvatarClick = { avatar ->
-            requireActivity().apply {
-              startActivity(
-                AvatarPreviewActivity.intentFromRecipientId(this, state.recipient.id),
-                AvatarPreviewActivity.createTransitionBundle(this, avatar)
-              )
+            if (!state.recipient.isSelf) {
+              requireActivity().apply {
+                startActivity(
+                  AvatarPreviewActivity.intentFromRecipientId(this, state.recipient.id),
+                  AvatarPreviewActivity.createTransitionBundle(this, avatar)
+                )
+              }
             }
           }
         )
@@ -315,7 +317,15 @@ class ConversationSettingsFragment : DSLSettingsFragment(
         ButtonStripPreference.Model(
           state = state.buttonStripState,
           onVideoClick = {
-            CommunicationActions.startVideoCall(requireActivity(), state.recipient)
+            if (state.recipient.isPushV2Group && state.requireGroupSettingsState().isAnnouncementGroup && !state.requireGroupSettingsState().isSelfAdmin) {
+              MaterialAlertDialogBuilder(requireContext())
+                .setTitle(R.string.ConversationActivity_cant_start_group_call)
+                .setMessage(R.string.ConversationActivity_only_admins_of_this_group_can_start_a_call)
+                .setPositiveButton(android.R.string.ok) { d, _ -> d.dismiss() }
+                .show()
+            } else {
+              CommunicationActions.startVideoCall(requireActivity(), state.recipient)
+            }
           },
           onAudioClick = {
             CommunicationActions.startVoiceCall(requireActivity(), state.recipient)
@@ -664,6 +674,7 @@ class ConversationSettingsFragment : DSLSettingsFragment(
         ContactsCursorLoader.DisplayMode.FLAG_PUSH,
         addMembersToGroup.selectionWarning,
         addMembersToGroup.selectionLimit,
+        addMembersToGroup.isAnnouncementGroup,
         addMembersToGroup.groupMembersWithoutSelf
       ),
       REQUEST_CODE_ADD_MEMBERS_TO_GROUP

app/src/main/java/org/thoughtcrime/securesms/components/settings/conversation/ConversationSettingsRepository.kt

@@ -11,13 +11,15 @@ import org.signal.storageservice.protos.groups.local.DecryptedPendingMember
 import org.thoughtcrime.securesms.contacts.sync.DirectoryHelper
 import org.thoughtcrime.securesms.database.DatabaseFactory
 import org.thoughtcrime.securesms.database.GroupDatabase
-import org.thoughtcrime.securesms.database.IdentityDatabase
 import org.thoughtcrime.securesms.database.MediaDatabase
+import org.thoughtcrime.securesms.database.model.IdentityRecord
+import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
 import org.thoughtcrime.securesms.groups.GroupId
 import org.thoughtcrime.securesms.groups.GroupManager
 import org.thoughtcrime.securesms.groups.GroupProtoUtil
 import org.thoughtcrime.securesms.groups.LiveGroup
 import org.thoughtcrime.securesms.groups.ui.GroupChangeFailureReason
+import org.thoughtcrime.securesms.jobs.RetrieveProfileJob
 import org.thoughtcrime.securesms.keyvalue.SignalStore
 import org.thoughtcrime.securesms.recipients.Recipient
 import org.thoughtcrime.securesms.recipients.RecipientId
@@ -26,6 +28,7 @@ import org.thoughtcrime.securesms.util.FeatureFlags
 import org.whispersystems.libsignal.util.guava.Optional
 import org.whispersystems.libsignal.util.guava.Preconditions
 import java.io.IOException
+import java.util.concurrent.TimeUnit
 
 private val TAG = Log.tag(ConversationSettingsRepository::class.java)
 
@@ -61,13 +64,9 @@ class ConversationSettingsRepository(
     SignalExecutors.BOUNDED.execute { consumer(DatabaseFactory.getGroupDatabase(context).activeGroupCount > 0) }
   }
 
-  fun getIdentity(recipientId: RecipientId, consumer: (IdentityDatabase.IdentityRecord?) -> Unit) {
+  fun getIdentity(recipientId: RecipientId, consumer: (IdentityRecord?) -> Unit) {
     SignalExecutors.BOUNDED.execute {
-      consumer(
-        DatabaseFactory.getIdentityDatabase(context)
-          .getIdentity(recipientId)
-          .orNull()
-      )
+      consumer(ApplicationDependencies.getIdentityStore().getIdentityRecord(recipientId).orNull())
     }
   }
 
@@ -130,9 +129,9 @@ class ConversationSettingsRepository(
           members.addAll(groupRecord.members)
           members.addAll(pendingMembers)
 
-          GroupCapacityResult(Recipient.self().id, members, FeatureFlags.groupLimits())
+          GroupCapacityResult(Recipient.self().id, members, FeatureFlags.groupLimits(), groupRecord.isAnnouncementGroup)
         } else {
-          GroupCapacityResult(Recipient.self().id, groupRecord.members, FeatureFlags.groupLimits())
+          GroupCapacityResult(Recipient.self().id, groupRecord.members, FeatureFlags.groupLimits(), false)
         }
       )
     }
@@ -140,6 +139,25 @@ class ConversationSettingsRepository(
 
   fun addMembers(groupId: GroupId, selected: List<RecipientId>, consumer: (GroupAddMembersResult) -> Unit) {
     SignalExecutors.BOUNDED.execute {
+      val record: GroupDatabase.GroupRecord = DatabaseFactory.getGroupDatabase(context).getGroup(groupId).get()
+
+      if (record.isAnnouncementGroup) {
+        val needsResolve = selected
+          .map { Recipient.resolved(it) }
+          .filter { it.announcementGroupCapability != Recipient.Capability.SUPPORTED && !it.isSelf }
+          .map { it.id }
+          .toSet()
+
+        ApplicationDependencies.getJobManager().runSynchronously(RetrieveProfileJob(needsResolve), TimeUnit.SECONDS.toMillis(10))
+
+        val updatedWithCapabilities = needsResolve.map { Recipient.resolved(it) }
+
+        if (updatedWithCapabilities.any { it.announcementGroupCapability != Recipient.Capability.SUPPORTED }) {
+          consumer(GroupAddMembersResult.Failure(GroupChangeFailureReason.NOT_ANNOUNCEMENT_CAPABLE))
+          return@execute
+        }
+      }
+
       consumer(
         try {
           val groupActionResult = GroupManager.addMembers(context, groupId.requirePush(), selected)
@@ -198,7 +216,14 @@ class ConversationSettingsRepository(
     Preconditions.checkArgument(FeatureFlags.internalUser(), "Internal users only!")
 
     SignalExecutors.BOUNDED.execute {
-      DatabaseFactory.getSessionDatabase(context).deleteAllFor(recipientId)
+      val recipient = Recipient.resolved(recipientId)
+
+      if (recipient.hasUuid()) {
+        DatabaseFactory.getSessionDatabase(context).deleteAllFor(recipient.requireUuid().toString())
+      }
+      if (recipient.hasE164()) {
+        DatabaseFactory.getSessionDatabase(context).deleteAllFor(recipient.requireE164())
+      }
     }
   }
 

app/src/main/java/org/thoughtcrime/securesms/components/settings/conversation/ConversationSettingsState.kt

@@ -3,7 +3,7 @@ package org.thoughtcrime.securesms.components.settings.conversation
 import android.database.Cursor
 import org.thoughtcrime.securesms.components.settings.conversation.preferences.ButtonStripPreference
 import org.thoughtcrime.securesms.components.settings.conversation.preferences.LegacyGroupPreference
-import org.thoughtcrime.securesms.database.IdentityDatabase
+import org.thoughtcrime.securesms.database.model.IdentityRecord
 import org.thoughtcrime.securesms.groups.GroupId
 import org.thoughtcrime.securesms.groups.ui.GroupMemberEntry
 import org.thoughtcrime.securesms.recipients.Recipient
@@ -43,7 +43,7 @@ sealed class SpecificSettingsState {
   abstract val isLoaded: Boolean
 
   data class RecipientSettingsState(
-    val identityRecord: IdentityDatabase.IdentityRecord? = null,
+    val identityRecord: IdentityRecord? = null,
     val allGroupsInCommon: List<Recipient> = listOf(),
     val groupsInCommon: List<Recipient> = listOf(),
     val selfHasGroups: Boolean = false,
@@ -75,7 +75,8 @@ sealed class SpecificSettingsState {
     private val groupDescriptionLoaded: Boolean = false,
     val groupLinkEnabled: Boolean = false,
     val membershipCountDescription: String = "",
-    val legacyGroupState: LegacyGroupPreference.State = LegacyGroupPreference.State.NONE
+    val legacyGroupState: LegacyGroupPreference.State = LegacyGroupPreference.State.NONE,
+    val isAnnouncementGroup: Boolean = false
   ) : SpecificSettingsState() {
 
     override val isLoaded: Boolean = groupTitleLoaded && groupDescriptionLoaded

app/src/main/java/org/thoughtcrime/securesms/components/settings/conversation/ConversationSettingsViewModel.kt

@@ -144,7 +144,7 @@ sealed class ConversationSettingsViewModel(
             isMuteAvailable = !recipient.isSelf,
             isSearchAvailable = true
           ),
-          disappearingMessagesLifespan = recipient.expireMessages,
+          disappearingMessagesLifespan = recipient.expiresInSeconds,
           canModifyBlockedState = !recipient.isSelf,
           specificSettingsState = state.requireRecipientSettingsState().copy(
             contactLinkState = when {
@@ -322,6 +322,14 @@ sealed class ConversationSettingsViewModel(
         )
       }
 
+      store.update(liveGroup.isAnnouncementGroup) { announcementGroup, state ->
+        state.copy(
+          specificSettingsState = state.requireGroupSettingsState().copy(
+            isAnnouncementGroup = announcementGroup
+          )
+        )
+      }
+
       val isMessageRequestAccepted: LiveData<Boolean> = LiveDataUtil.mapAsync(liveGroup.groupRecipient) { r -> repository.isMessageRequestAccepted(r) }
       val descriptionState: LiveData<DescriptionState> = LiveDataUtil.combineLatest(liveGroup.description, isMessageRequestAccepted, ::DescriptionState)
 
@@ -386,11 +394,13 @@ sealed class ConversationSettingsViewModel(
     override fun onAddToGroup() {
       repository.getGroupCapacity(groupId) { capacityResult ->
         if (capacityResult.getRemainingCapacity() > 0) {
+
           internalEvents.postValue(
             ConversationSettingsEvent.AddMembersToGroup(
               groupId,
               capacityResult.getSelectionWarning(),
               capacityResult.getSelectionLimit(),
+              capacityResult.isAnnouncementGroup,
               capacityResult.getMembersWithoutSelf()
             )
           )

app/src/main/java/org/thoughtcrime/securesms/components/settings/conversation/GroupCapacityResult.kt

@@ -7,7 +7,8 @@ import org.thoughtcrime.securesms.recipients.RecipientId
 class GroupCapacityResult(
   private val selfId: RecipientId,
   private val members: List<RecipientId>,
-  private val selectionLimits: SelectionLimits
+  private val selectionLimits: SelectionLimits,
+  val isAnnouncementGroup: Boolean
 ) {
   fun getMembers(): List<RecipientId?> {
     return members