Bump version to 5.3.2

Fixes #10642

.github/FUNDING.yml

@@ -0,0 +1 @@
+custom: https://signal.org/donate/

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,3 +1,12 @@
+---
+name: 🛠️ Bug report
+about: Let us know that something isn't working as intended
+title: ''
+labels: ''
+assignees: ''
+
+---
+
 <!-- This is a bug report template. By following the instructions below and filling out the sections with your information, you will help the developers get all the necessary data to fix your issue.
 You can also preview your report before submitting it. You may remove sections that aren't relevant to your particular case.
 

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,20 @@
+blank_issues_enabled: false
+contact_links:
+  - name: 📃Support Center
+    url: https://support.signal.org/
+    about: Find answers to many common questions.
+  - name: ✨ Feature request
+    url: https://community.signalusers.org/c/feature-requests/
+    about: Missing something in Signal? Let us know.
+  - name: 💬 Community support
+    url: https://community.signalusers.org/c/support/
+    about: Feel free to ask anything.
+  - name: 📖 Developer documentation
+    url: https://signal.org/docs/
+    about: Official Signal developer documentation.
+  - name: 📚 Translation feedback.
+    url: https://community.signalusers.org/c/translation-feedback/
+    about: Share feedback on translations.
+  - name: ❓ Other issue?
+    url: https://community.signalusers.org/
+    about: Search on the community forums.

.github/workflows/android.yml

@@ -6,6 +6,7 @@ on:
     branches:
     - 'master'
     - '4.**'
+    - '5.**'
 
 jobs:
   build:
@@ -13,12 +14,15 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
+
     - name: set up JDK 1.8
       uses: actions/setup-java@v1
       with:
         java-version: 1.8
+
     - name: Validate Gradle Wrapper
       uses: gradle/wrapper-validation-action@v1
+
     - name: Build with Gradle
       run: ./gradlew qa

.github/workflows/docker.yml

@@ -0,0 +1,18 @@
+name: Reproducible Build Check
+
+on:
+  schedule:
+    - cron: '0 5 * * *'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build image
+      run: cd reproducible-builds && docker build -t signal-android . && cd ..
+
+    - name: Test build
+      run: docker run --rm -v $(pwd):/project -w /project signal-android ./gradlew clean assembleRelease

.gitignore

@@ -1,6 +1,8 @@
 .classpath
 captures/
 project.properties
+keystore.debug.properties
+keystore.staging.properties
 .project
 .settings
 bin/
@@ -23,5 +25,5 @@ ffpr
 test/androidTestEspresso/res/values/arrays.xml
 obj/
 jni/libspeex/.deps/
-*.sh
 pkcs11.password
+dev.keystore

CONTRIBUTING.md

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

Dockerfile

@@ -1,25 +0,0 @@
-FROM ubuntu:17.10
-
-RUN dpkg --add-architecture i386 && \
-    apt-get update -y && \
-    apt-get install -y software-properties-common && \
-    apt-get update -y && \
-    apt-get install -y libc6:i386=2.26-0ubuntu2.1 libncurses5:i386=6.0+20160625-1ubuntu1 libstdc++6:i386=7.2.0-8ubuntu3.2 lib32z1=1:1.2.11.dfsg-0ubuntu2 wget openjdk-8-jdk=8u171-b11-0ubuntu0.17.10.1 git unzip opensc pcscd && \
-    rm -rf /var/lib/apt/lists/* && \
-    apt-get autoremove -y && \
-    apt-get clean
-
-ENV ANDROID_SDK_FILENAME android-sdk_r24.4.1-linux.tgz
-ENV ANDROID_SDK_URL https://dl.google.com/android/${ANDROID_SDK_FILENAME}
-ENV ANDROID_API_LEVELS android-28
-ENV ANDROID_BUILD_TOOLS_VERSION 28.0.3
-ENV ANDROID_HOME /usr/local/android-sdk-linux
-ENV PATH ${PATH}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools
-RUN cd /usr/local/ && \
-    wget -q ${ANDROID_SDK_URL} && \
-    tar -xzf ${ANDROID_SDK_FILENAME} && \
-    rm ${ANDROID_SDK_FILENAME} 
-RUN echo y | android update sdk --no-ui -a --filter ${ANDROID_API_LEVELS}
-RUN echo y | android update sdk --no-ui -a --filter extra-android-m2repository,extra-android-support,extra-google-google_play_services,extra-google-m2repository
-RUN echo y | android update sdk --no-ui -a --filter tools,platform-tools,build-tools-${ANDROID_BUILD_TOOLS_VERSION}
-RUN rm -rf ${ANDROID_HOME}/tools && unzip ${ANDROID_HOME}/temp/*.zip -d ${ANDROID_HOME}

README.md

@@ -59,9 +59,7 @@ The form and manner of this distribution makes it eligible for export under the
 
 ## License
 
-Copyright 2011 Whisper Systems
-
-Copyright 2013-2020 Open Whisper Systems
+Copyright 2013-2020 Signal
 
 Licensed under the GPLv3: http://www.gnu.org/licenses/gpl-3.0.html
 

app/build.gradle

@@ -2,25 +2,6 @@ import org.signal.signing.ApkSignerUtil
 
 import java.security.MessageDigest
 
-buildscript {
-    repositories {
-        google()
-        maven {
-            url "https://repo1.maven.org/maven2"
-        }
-        jcenter {
-            content {
-                includeVersion 'org.jetbrains.trove4j', 'trove4j', '20160824'
-            }
-        }
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.1'
-        classpath 'androidx.navigation:navigation-safe-args-gradle-plugin:2.1.0'
-        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.10'
-    }
-}
-
 apply plugin: 'com.android.application'
 apply plugin: 'com.google.protobuf'
 apply plugin: 'androidx.navigation.safeargs'
@@ -80,32 +61,47 @@ protobuf {
     }
 }
 
-def canonicalVersionCode = 617
-def canonicalVersionName = "4.58.3"
+def canonicalVersionCode = 775
+def canonicalVersionName = "5.3.2"
 
-def postFixSize = 10
+def postFixSize = 100
 def abiPostFix = ['universal'   : 0,
                   'armeabi-v7a' : 1,
                   'arm64-v8a'   : 2,
                   'x86'         : 3,
                   'x86_64'      : 4]
 
+def keystores = [ 'debug'  : loadKeystoreProperties('keystore.debug.properties') ]
+
 android {
-    flavorDimensions "none"
-    compileSdkVersion 28
-    buildToolsVersion '28.0.3'
+    buildToolsVersion BUILD_TOOL_VERSION
+    compileSdkVersion COMPILE_SDK
+
+    flavorDimensions 'distribution', 'environment'
     useLibrary 'org.apache.http.legacy'
 
     dexOptions {
         javaMaxHeapSize "4g"
     }
 
+    signingConfigs {
+        if (keystores.debug != null) {
+            debug {
+                storeFile file("${project.rootDir}/${keystores.debug.storeFile}")
+                storePassword keystores.debug.storePassword
+                keyAlias keystores.debug.keyAlias
+                keyPassword keystores.debug.keyPassword
+            }
+        }
+    }
+
     defaultConfig {
         versionCode canonicalVersionCode * postFixSize
         versionName canonicalVersionName
 
-        minSdkVersion 19
-        targetSdkVersion 28
+        minSdkVersion MINIMUM_SDK
+        targetSdkVersion TARGET_SDK
+
         multiDexEnabled true
 
         vectorDrawables.useSupportLibrary = true
@@ -115,17 +111,21 @@ android {
         buildConfigField "String", "SIGNAL_URL", "\"https://textsecure-service.whispersystems.org\""
         buildConfigField "String", "STORAGE_URL", "\"https://storage.signal.org\""
         buildConfigField "String", "SIGNAL_CDN_URL", "\"https://cdn.signal.org\""
+        buildConfigField "String", "SIGNAL_CDN2_URL", "\"https://cdn2.signal.org\""
         buildConfigField "String", "SIGNAL_CONTACT_DISCOVERY_URL", "\"https://api.directory.signal.org\""
         buildConfigField "String", "SIGNAL_SERVICE_STATUS_URL", "\"uptime.signal.org\""
         buildConfigField "String", "SIGNAL_KEY_BACKUP_URL", "\"https://api.backup.signal.org\""
+        buildConfigField "String", "SIGNAL_SFU_URL", "\"https://sfu.voip.signal.org\""
         buildConfigField "String", "CONTENT_PROXY_HOST", "\"contentproxy.signal.org\""
         buildConfigField "int", "CONTENT_PROXY_PORT", "443"
         buildConfigField "String", "SIGNAL_AGENT", "\"OWA\""
-        buildConfigField "String", "MRENCLAVE", "\"cd6cfc342937b23b1bdd3bbf9721aa5615ac9ff50a75c5527d441cd3276826c9\""
-        buildConfigField "String", "KEY_BACKUP_ENCLAVE_NAME", "\"fe7c1bfae98f9b073d220366ea31163ee82f6d04bead774f71ca8e5c40847bfe\""
-        buildConfigField "String", "KEY_BACKUP_MRENCLAVE", "\"a3baab19ef6ce6f34ab9ebb25ba722725ae44a8872dc0ff08ad6d83a9489de87\""
+        buildConfigField "String", "CDS_MRENCLAVE", "\"c98e00a4e3ff977a56afefe7362a27e4961e4f19e211febfbb19b897e6b80b15\""
+        buildConfigField "KbsEnclave", "KBS_ENCLAVE", "new KbsEnclave(\"fe7c1bfae98f9b073d220366ea31163ee82f6d04bead774f71ca8e5c40847bfe\"," +
+                                                                     "\"fe7c1bfae98f9b073d220366ea31163ee82f6d04bead774f71ca8e5c40847bfe\", " +
+                                                                     "\"a3baab19ef6ce6f34ab9ebb25ba722725ae44a8872dc0ff08ad6d83a9489de87\")";
+        buildConfigField "KbsEnclave[]", "KBS_FALLBACKS", "new KbsEnclave[0]"
         buildConfigField "String", "UNIDENTIFIED_SENDER_TRUST_ROOT", "\"BXu6QIKVz5MA8gstzfOgRQGqyLqOwNKHL6INkv3IHWMF\""
-        buildConfigField "String", "ZKGROUP_SERVER_PUBLIC_PARAMS", "\"\""
+        buildConfigField "String", "ZKGROUP_SERVER_PUBLIC_PARAMS", "\"AMhf5ywVwITZMsff/eCyudZx9JDmkkkbV6PInzG4p8x3VqVJSFiMvnvlEKWuRob/1eaIetR31IYeAbm0NdOuHH8Qi+Rexi1wLlpzIo1gstHWBfZzy1+qHRV5A4TqPp15YzBPm0WSggW6PbSn+F4lf57VCnHF7p8SvzAA2ZZJPYJURt8X7bbg+H3i+PEjH9DXItNEqs2sNcug37xZQDLm7X0=\""
         buildConfigField "String[]", "LANGUAGES", "new String[]{\"" + autoResConfig().collect { s -> s.replace('-r', '_') }.join('", "') + '"}'
         buildConfigField "int", "CANONICAL_VERSION_CODE", "$canonicalVersionCode"
 
@@ -148,8 +148,8 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JAVA_VERSION
+        targetCompatibility JAVA_VERSION
     }
 
     packagingOptions {
@@ -160,11 +160,18 @@ android {
         exclude 'META-INF/LICENSE'
         exclude 'META-INF/NOTICE'
         exclude 'META-INF/proguard/androidx-annotations.pro'
-        exclude 'lib/*/libzkgroup.so' // TODO: GV2 Remove line to include .so when used
+    }
+
+    aaptOptions {
+        ignoreAssetsPattern '!contours.tfl:!LMprec_600.emd:!blazeface.tfl'
     }
 
     buildTypes {
         debug {
+            if (keystores['debug'] != null) {
+                signingConfig signingConfigs.debug
+            }
+            isDefault true
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'),
                     'proguard/proguard-firebase-messaging.pro',
@@ -188,43 +195,72 @@ android {
             testProguardFiles 'proguard/proguard-automation.pro',
                     'proguard/proguard.cfg'
         }
-        staging {
-            initWith debug
-
-            buildConfigField "String", "SIGNAL_URL", "\"https://textsecure-service-staging.whispersystems.org\""
-            buildConfigField "String", "STORAGE_URL", "\"https://storage-staging.signal.org\""
-            buildConfigField "String", "SIGNAL_CDN_URL", "\"https://cdn-staging.signal.org\""
-            buildConfigField "String", "SIGNAL_CONTACT_DISCOVERY_URL", "\"https://api-staging.directory.signal.org\""
-            buildConfigField "String", "SIGNAL_KEY_BACKUP_URL", "\"https://api-staging.backup.signal.org\""
-            buildConfigField "String", "MRENCLAVE", "\"ba4ebb438bc07713819ee6c98d94037747006d7df63fc9e44d2d6f1fec962a79\""
-            buildConfigField "String", "KEY_BACKUP_ENCLAVE_NAME", "\"a1e9c1d3f352b5c4f0fc7a421b98119e60e5ff703c28fbea85c66bfa7306deab\""
-            buildConfigField "String", "UNIDENTIFIED_SENDER_TRUST_ROOT", "\"BbqY1DzohE4NUZoVF+L18oUPrK3kILllLEJh2UnPSsEx\""
-            buildConfigField "String", "ZKGROUP_SERVER_PUBLIC_PARAMS", "\"\""
-        }
         flipper {
             initWith debug
+            isDefault false
             minifyEnabled false
+            matchingFallbacks = ['debug']
         }
         release {
             minifyEnabled true
             proguardFiles = buildTypes.debug.proguardFiles
         }
+        perf {
+            initWith debug
+            isDefault false
+            debuggable false
+            matchingFallbacks = ['debug']
+        }
     }
 
     productFlavors {
         play {
-            dimension "none"
+            dimension 'distribution'
+            isDefault true
             ext.websiteUpdateUrl = "null"
             buildConfigField "boolean", "PLAY_STORE_DISABLED", "false"
             buildConfigField "String", "NOPLAY_UPDATE_URL", "$ext.websiteUpdateUrl"
         }
 
         website {
-            dimension "none"
+            dimension 'distribution'
             ext.websiteUpdateUrl = "https://updates.signal.org/android"
             buildConfigField "boolean", "PLAY_STORE_DISABLED", "true"
             buildConfigField "String", "NOPLAY_UPDATE_URL", "\"$ext.websiteUpdateUrl\""
         }
+
+        internal {
+            dimension 'distribution'
+            ext.websiteUpdateUrl = "null"
+            buildConfigField "boolean", "PLAY_STORE_DISABLED", "false"
+            buildConfigField "String", "NOPLAY_UPDATE_URL", "$ext.websiteUpdateUrl"
+        }
+
+        prod {
+            dimension 'environment'
+
+            isDefault true
+        }
+
+        staging {
+            dimension 'environment'
+
+            applicationIdSuffix ".staging"
+
+            buildConfigField "String", "SIGNAL_URL", "\"https://textsecure-service-staging.whispersystems.org\""
+            buildConfigField "String", "STORAGE_URL", "\"https://storage-staging.signal.org\""
+            buildConfigField "String", "SIGNAL_CDN_URL", "\"https://cdn-staging.signal.org\""
+            buildConfigField "String", "SIGNAL_CDN2_URL", "\"https://cdn2-staging.signal.org\""
+            buildConfigField "String", "SIGNAL_CONTACT_DISCOVERY_URL", "\"https://api-staging.directory.signal.org\""
+            buildConfigField "String", "SIGNAL_KEY_BACKUP_URL", "\"https://api-staging.backup.signal.org\""
+            buildConfigField "String", "CDS_MRENCLAVE", "\"c98e00a4e3ff977a56afefe7362a27e4961e4f19e211febfbb19b897e6b80b15\""
+            buildConfigField "KbsEnclave", "KBS_ENCLAVE", "new KbsEnclave(\"823a3b2c037ff0cbe305cc48928cfcc97c9ed4a8ca6d49af6f7d6981fb60a4e9\", " +
+                                                                         "\"038c40bbbacdc873caa81ac793bb75afde6dfe436a99ab1f15e3f0cbb7434ced\", " +
+                                                                         "\"a3baab19ef6ce6f34ab9ebb25ba722725ae44a8872dc0ff08ad6d83a9489de87\")"
+            buildConfigField "KbsEnclave[]", "KBS_FALLBACKS", "new KbsEnclave[0]"
+            buildConfigField "String", "UNIDENTIFIED_SENDER_TRUST_ROOT", "\"BbqY1DzohE4NUZoVF+L18oUPrK3kILllLEJh2UnPSsEx\""
+            buildConfigField "String", "ZKGROUP_SERVER_PUBLIC_PARAMS", "\"ABSY21VckQcbSXVNCGRYJcfWHiAMZmpTtTELcDmxgdFbtp/bWsSxZdMKzfCp8rvIs8ocCU3B37fT3r4Mi5qAemeGeR2X+/YmOGR5ofui7tD5mDQfstAI9i+4WpMtIe8KC3wU5w3Inq3uNWVmoGtpKndsNfwJrCg0Hd9zmObhypUnSkfYn2ooMOOnBpfdanRtrvetZUayDMSC5iSRcXKpdls=\""
+        }
     }
 
     android.applicationVariants.all { variant ->
@@ -253,28 +289,36 @@ android {
 }
 
 dependencies {
-    implementation 'androidx.appcompat:appcompat:1.1.0-beta01'
-    implementation 'androidx.recyclerview:recyclerview:1.0.0'
-    implementation 'com.google.android.material:material:1.0.0'
+    lintChecks project(':lintchecks')
+
+    implementation ('androidx.appcompat:appcompat:1.2.0') {
+        force = true
+    }
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    implementation 'com.google.android.material:material:1.2.1'
     implementation 'androidx.legacy:legacy-support-v13:1.0.0'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.preference:preference:1.0.0'
     implementation 'androidx.legacy:legacy-preference-v14:1.0.0'
     implementation 'androidx.gridlayout:gridlayout:1.0.0'
     implementation 'androidx.exifinterface:exifinterface:1.0.0'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    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.camera:camera-core:1.0.0-beta01"
-    implementation "androidx.camera:camera-camera2:1.0.0-beta01"
-    implementation "androidx.camera:camera-lifecycle:1.0.0-beta01"
+    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"
+    implementation "androidx.camera:camera-view:1.0.0-alpha18"
     implementation "androidx.concurrent:concurrent-futures:1.0.0"
+    implementation "androidx.autofill:autofill:1.0.0"
+    implementation 'com.google.firebase:firebase-ml-vision:24.0.3'
+    implementation 'com.google.firebase:firebase-ml-vision-face-model:20.0.1'
 
-    implementation('com.google.firebase:firebase-messaging:17.3.4') {
+    implementation ('com.google.firebase:firebase-messaging:20.2.0') {
         exclude group: 'com.google.firebase', module: 'firebase-core'
         exclude group: 'com.google.firebase', module: 'firebase-analytics'
         exclude group: 'com.google.firebase', module: 'firebase-measurement-connector'
@@ -285,16 +329,22 @@ dependencies {
 
     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 'org.conscrypt:conscrypt-android:2.0.0'
     implementation 'org.signal:aesgcmprovider:0.0.3'
 
     implementation project(':libsignal-service')
-    implementation 'org.signal:zkgroup-android:0.4.1'
+    implementation project(':paging')
+    implementation project(':core-util')
+    implementation project(':video')
 
+    implementation 'org.signal:zkgroup-android:0.7.0'
+    implementation 'org.whispersystems:signal-client-android:0.2.2'
+    implementation 'com.google.protobuf:protobuf-javalite:3.10.0'
     implementation 'org.signal:argon2:13.1@aar'
 
-    implementation 'org.signal:ringrtc-android:1.2.0'
+    implementation 'org.signal:ringrtc-android:2.8.10'
 
     implementation "me.leolin:ShortcutBadger:1.1.16"
     implementation 'se.emilsjolander:stickylistheaders:2.7.0'
@@ -341,33 +391,34 @@ dependencies {
         exclude group: 'com.fasterxml.jackson.core'
         exclude group: 'org.freemarker'
     }
+    implementation 'dnsjava:dnsjava:2.1.9'
 
     flipperImplementation 'com.facebook.flipper:flipper:0.32.2'
     flipperImplementation 'com.facebook.soloader:soloader:0.8.2'
 
     testImplementation 'junit:junit:4.12'
     testImplementation 'org.assertj:assertj-core:3.11.1'
-    testImplementation 'org.mockito:mockito-core:1.9.5'
-    testImplementation 'org.powermock:powermock-api-mockito:1.6.1'
-    testImplementation 'org.powermock:powermock-module-junit4:1.6.1'
-    testImplementation 'org.powermock:powermock-module-junit4-rule:1.6.1'
-    testImplementation 'org.powermock:powermock-classloading-xstream:1.6.1'
+    testImplementation 'org.mockito:mockito-core:2.8.9'
+    testImplementation 'org.powermock:powermock-api-mockito2:1.7.4'
+    testImplementation 'org.powermock:powermock-module-junit4:1.7.4'
+    testImplementation 'org.powermock:powermock-module-junit4-rule:1.7.4'
+    testImplementation 'org.powermock:powermock-classloading-xstream:1.7.4'
 
     testImplementation 'androidx.test:core:1.2.0'
-    testImplementation ('org.robolectric:robolectric:4.2') {
+    testImplementation ('org.robolectric:robolectric:4.4') {
         exclude group: 'com.google.protobuf', module: 'protobuf-java'
     }
-    testImplementation 'org.robolectric:shadows-multidex:4.2'
+    testImplementation 'org.robolectric:shadows-multidex:4.4'
+    testImplementation 'org.hamcrest:hamcrest:2.2'
 
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 }
 
 dependencyVerification {
-    configuration = '(play|website)(Debug|Release)RuntimeClasspath'
+    configuration = '(play|website)(Prod|Staging)(Debug|Release)RuntimeClasspath'
 }
 
-
 def assembleWebsiteDescriptor = { variant, file ->
     if (file.exists()) {
         MessageDigest md = MessageDigest.getInstance("SHA-256");
@@ -411,28 +462,24 @@ def signProductionRelease = { variant ->
 
 task signProductionPlayRelease {
     doLast {
-        signProductionRelease(android.applicationVariants.find { (it.name == 'playRelease') })
+        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 == 'websiteRelease') }
+        def  variant       = android.applicationVariants.find { (it.name == 'websiteProdRelease') }
         File signedRelease = signProductionRelease(variant).find { it.name.contains('universal') }
         assembleWebsiteDescriptor(variant, signedRelease)
     }
 }
 
-tasks.whenTaskAdded { task ->
-    if (task.name.equals("assemblePlayRelease")) {
-        task.finalizedBy signProductionPlayRelease
-    }
-
-    if (task.name.equals("assembleWebsiteRelease")) {
-        task.finalizedBy signProductionWebsiteRelease
-    }
-}
-
 def getLastCommitTimestamp() {
     new ByteArrayOutputStream().withStream { os ->
         def result = exec {
@@ -444,3 +491,24 @@ def getLastCommitTimestamp() {
         return os.toString() + "000"
     }
 }
+
+tasks.withType(Test) {
+    testLogging {
+        events "failed"
+        exceptionFormat "full"
+        showCauses true
+        showExceptions true
+        showStackTraces true
+    }
+}
+
+def loadKeystoreProperties(filename) {
+    def keystorePropertiesFile = file("${project.rootDir}/${filename}")
+    if (keystorePropertiesFile.exists()) {
+        def keystoreProperties = new Properties()
+        keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+        return keystoreProperties;
+    } else {
+        return null;
+    }
+}

app/lint.xml

@@ -1,15 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <lint>
 
+    <!-- Wont pass lint or qa with a STOPSHIP in a comment -->
+    <issue id="StopShip" severity="fatal" />
+
     <!-- L10N errors -->
     <!-- This is a runtime crash so we don't want to ship with this. -->
     <issue id="StringFormatMatches" severity="error" />
 
     <!-- L10N warnings -->
-    <issue id="MissingTranslation" severity="warning" />
+    <issue id="MissingTranslation" severity="ignore" />
     <issue id="MissingQuantity" severity="warning" />
+    <issue id="MissingDefaultResource" severity="error">
+        <ignore path="*/res/values-*/strings.xml" /> <!-- Ignore for non-English, excludeNonTranslatables task will remove these -->
+    </issue>
     <issue id="ExtraTranslation" severity="warning" />
     <issue id="ImpliedQuantity" severity="warning" />
+    <issue id="TypographyDashes" severity="error" >
+        <ignore path="*/res/values-*/strings.xml" /> <!-- Ignore for non-English -->
+    </issue>
 
     <issue id="CanvasSize" severity="error" />
     <issue id="HardcodedText" severity="error" />
@@ -17,9 +26,17 @@
     <issue id="ButtonOrder" severity="error" />
     <issue id="ExtraTranslation" severity="warning" />
 
+    <!-- Custom lints -->
+    <issue id="LogNotSignal" severity="error" />
+    <issue id="LogNotAppSignal" severity="error" />
+    <issue id="LogTagInlined" severity="error" />
+
     <issue id="RestrictedApi" severity="error">
         <ignore path="*/org/thoughtcrime/securesms/mediasend/camerax/VideoCapture.java" />
         <ignore path="*/org/thoughtcrime/securesms/mediasend/camerax/CameraXModule.java" />
+        <ignore path="*/org/thoughtcrime/securesms/conversation/*.java" />
+        <ignore path="*/org/thoughtcrime/securesms/lock/v2/CreateKbsPinViewModel.java" />
+        <ignore path="*/org/thoughtcrime/securesms/jobs/StickerPackDownloadJob.java" />
     </issue>
 
 </lint>

app/sampledata/contacts.json

@@ -0,0 +1,29 @@
+{
+  "data": [
+    {
+      "name": "Ottttooooooooo Ocataaaaaaaavius",
+      "number": "+1 (555) 555-5555",
+      "label": "Mobile"
+    },
+    {
+      "name": "Victor Von Doom Phd",
+      "number": "+1 (555) 123-4567",
+      "label": "Home"
+    },
+    {
+      "name": "Flash Thompson",
+      "number": "+1 (555) 435-1261",
+      "label": "Work"
+    },
+    {
+      "name": "Dr. Curtis Connors",
+      "number": "+1 (555) 992-1567",
+      "label": "Mobile"
+    },
+    {
+      "name": "Billy Russo",
+      "number": "+1 (555) 234-1516",
+      "label": "Mobile"
+    }
+  ]
+}

app/src/flipper/AndroidManifest.xml

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

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

@@ -1,5 +1,6 @@
 package org.thoughtcrime.securesms.database;
 
+import android.app.Application;
 import android.content.Context;
 import android.database.Cursor;
 import android.text.TextUtils;
@@ -14,14 +15,17 @@ import net.sqlcipher.DatabaseUtils;
 import net.sqlcipher.database.SQLiteDatabase;
 import net.sqlcipher.database.SQLiteStatement;
 
+import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.database.helpers.SQLCipherOpenHelper;
 
+import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 /**
  * A lot of this code is taken from {@link com.facebook.flipper.plugins.databases.impl.SqliteDatabaseDriver}
@@ -29,13 +33,31 @@ import java.util.Map;
  */
 public class FlipperSqlCipherAdapter extends DatabaseDriver<FlipperSqlCipherAdapter.Descriptor> {
 
+  private static final String TAG = Log.tag(FlipperSqlCipherAdapter.class);
+
   public FlipperSqlCipherAdapter(Context context) {
     super(context);
   }
 
   @Override
   public List<Descriptor> getDatabases() {
-    return Collections.singletonList(new Descriptor(DatabaseFactory.getRawDatabase(getContext())));
+    try {
+      Field databaseHelperField = DatabaseFactory.class.getDeclaredField("databaseHelper");
+      databaseHelperField.setAccessible(true);
+
+      SignalDatabase mainOpenHelper       = Objects.requireNonNull((SQLCipherOpenHelper) databaseHelperField.get(DatabaseFactory.getInstance(getContext())));
+      SignalDatabase keyValueOpenHelper   = KeyValueDatabase.getInstance((Application) getContext());
+      SignalDatabase megaphoneOpenHelper  = MegaphoneDatabase.getInstance((Application) getContext());
+      SignalDatabase jobManagerOpenHelper = JobDatabase.getInstance((Application) getContext());
+
+      return Arrays.asList(new Descriptor(mainOpenHelper),
+                           new Descriptor(keyValueOpenHelper),
+                           new Descriptor(megaphoneOpenHelper),
+                           new Descriptor(jobManagerOpenHelper));
+    } catch (Exception e) {
+      Log.i(TAG, "Unable to use reflection to access raw database.", e);
+    }
+    return Collections.emptyList();
   }
 
   @Override
@@ -223,9 +245,9 @@ public class FlipperSqlCipherAdapter extends DatabaseDriver<FlipperSqlCipherAdap
   }
 
   static class Descriptor implements DatabaseDescriptor {
-    private final SQLCipherOpenHelper sqlCipherOpenHelper;
+    private final SignalDatabase sqlCipherOpenHelper;
 
-    Descriptor(@NonNull SQLCipherOpenHelper sqlCipherOpenHelper) {
+    Descriptor(@NonNull SignalDatabase sqlCipherOpenHelper) {
       this.sqlCipherOpenHelper = sqlCipherOpenHelper;
     }
 
@@ -235,11 +257,11 @@ public class FlipperSqlCipherAdapter extends DatabaseDriver<FlipperSqlCipherAdap
     }
 
     public @NonNull SQLiteDatabase getReadable() {
-      return sqlCipherOpenHelper.getReadableDatabase();
+      return sqlCipherOpenHelper.getSqlCipherDatabase();
     }
 
     public @NonNull SQLiteDatabase getWritable() {
-      return sqlCipherOpenHelper.getWritableDatabase();
+      return sqlCipherOpenHelper.getSqlCipherDatabase();
     }
   }
 }

app/src/flipper/res/values/strings.xml

@@ -1,4 +0,0 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<resources>
-  <string name="app_name">Signal (Flipper)</string>
-</resources>

app/src/internal/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/core_red_shade"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/AndroidManifest.xml

@@ -3,9 +3,9 @@
           xmlns:tools="http://schemas.android.com/tools"
           package="org.thoughtcrime.securesms">
 
-    <uses-sdk tools:overrideLibrary="androidx.camera.core,androidx.camera.camera2,androidx.camera.lifecycle" />
+    <uses-sdk tools:overrideLibrary="androidx.camera.core,androidx.camera.camera2,androidx.camera.lifecycle,androidx.camera.view" />
 
-    <permission android:name="org.thoughtcrime.securesms.ACCESS_SECRETS"
+    <permission android:name="${applicationId}.ACCESS_SECRETS"
                 android:label="Access to TextSecure Secrets"
                 android:protectionLevel="signature" />
 
@@ -35,8 +35,10 @@
     <uses-permission android:name="android.permission.SEND_SMS"/>
     <uses-permission android:name="android.permission.WRITE_SMS"/>
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+    <uses-permission android:name="android.permission.READ_PHONE_NUMBERS" />
 
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+                     android:maxSdkVersion="28" />
 
     <uses-permission android:name="android.permission.CAMERA" />
 
@@ -113,13 +115,22 @@
     <meta-data android:name="google_analytics_adid_collection_enabled" android:value="false" />
     <meta-data android:name="firebase_messaging_auto_init_enabled" android:value="false" />
 
-    <activity android:name="org.thoughtcrime.securesms.WebRtcCallActivity"
-              android:theme="@style/TextSecure.LightTheme.WebRTCCall"
+    <activity android:name=".WebRtcCallActivity"
+              android:theme="@style/TextSecure.DarkTheme.WebRTCCall"
               android:excludeFromRecents="true"
               android:screenOrientation="portrait"
-              android:configChanges="mcc|mnc|locale|touchscreen|keyboard|keyboardHidden|navigation|orientation|screenLayout|screenSize|fontScale"
+              android:supportsPictureInPicture="true"
+              android:windowSoftInputMode="stateAlwaysHidden"
+              android:configChanges="screenSize|smallestScreenSize|screenLayout|orientation"
+              android:taskAffinity=".calling"
               android:launchMode="singleTask"/>
 
+    <activity android:name=".messagerequests.CalleeMustAcceptMessageRequestActivity"
+              android:theme="@style/TextSecure.DarkNoActionBar"
+              android:screenOrientation="portrait"
+              android:noHistory="true"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
     <activity android:name=".InviteActivity"
               android:theme="@style/Signal.Light.NoActionBar.Invite"
               android:windowSoftInputMode="stateHidden"
@@ -127,7 +138,7 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize">
         <meta-data
             android:name="android.support.PARENT_ACTIVITY"
-            android:value="org.thoughtcrime.securesms.MainActivity" />
+            android:value=".MainActivity" />
     </activity>
 
     <activity android:name=".PromptMmsActivity"
@@ -148,12 +159,15 @@
     <activity android:name=".preferences.MmsPreferencesActivity"
                android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
+    <activity android:name=".sharing.interstitial.ShareInterstitialActivity"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"
+              android:windowSoftInputMode="adjustResize" />
+
     <activity android:name=".sharing.ShareActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:excludeFromRecents="true"
               android:launchMode="singleTask"
               android:taskAffinity=""
-              android:noHistory="true"
               android:windowSoftInputMode="stateHidden"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize">
         <intent-filter>
@@ -182,7 +196,7 @@
     </activity>
 
     <activity android:name=".stickers.StickerPackPreviewActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:launchMode="singleTask"
               android:noHistory="true"
               android:windowSoftInputMode="stateHidden"
@@ -221,6 +235,28 @@
 
     </activity-alias>
 
+    <activity android:name=".deeplinks.DeepLinkEntryActivity"
+              android:noHistory="true"
+              android:theme="@style/Signal.Transparent">
+
+        <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="sgnl"
+                  android:host="signal.group" />
+        </intent-filter>
+
+        <intent-filter android:autoVerify="true"
+                       tools:targetApi="23">
+            <action android:name="android.intent.action.VIEW" />
+            <category android:name="android.intent.category.DEFAULT" />
+            <category android:name="android.intent.category.BROWSABLE" />
+            <data android:scheme="https"
+                  android:host="signal.group"/>
+        </intent-filter>
+    </activity>
+
     <activity android:name=".conversation.ConversationActivity"
               android:windowSoftInputMode="stateUnchanged"
               android:launchMode="singleTask"
@@ -231,6 +267,11 @@
                 android:value="org.thoughtcrime.securesms.MainActivity" />
     </activity>
 
+    <activity android:name=".conversation.BubbleConversationActivity"
+              android:theme="@style/Signal.DayNight"
+              android:allowEmbedded="true"
+              android:resizeableActivity="true" />
+
     <activity android:name=".longmessage.LongMessageActivity" />
 
     <activity android:name=".conversation.ConversationPopupActivity"
@@ -241,15 +282,22 @@
               android:theme="@style/TextSecure.LightTheme.Popup"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize" />
 
-    <activity android:name=".MessageDetailsActivity"
-              android:label="@string/AndroidManifest__message_details"
+    <activity android:name=".messagedetails.MessageDetailsActivity"
               android:windowSoftInputMode="stateHidden"
               android:launchMode="singleTask"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
-    <activity android:name=".GroupCreateActivity"
-          android:windowSoftInputMode="stateVisible"
-          android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+    <activity android:name=".groups.ui.invitesandrequests.ManagePendingAndRequestingMembersActivity"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize|uiMode"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar" />
+
+    <activity android:name=".groups.ui.managegroup.ManageGroupActivity"
+              android:windowSoftInputMode="stateAlwaysHidden"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
+    <activity android:name=".recipients.ui.managerecipient.ManageRecipientActivity"
+              android:windowSoftInputMode="stateAlwaysHidden"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".DatabaseMigrationActivity"
               android:theme="@style/NoAnimation.Theme.AppCompat.Light.DarkActionBar"
@@ -264,7 +312,7 @@
       <activity android:name=".PassphraseCreateActivity"
               android:label="@string/AndroidManifest__create_passphrase"
               android:windowSoftInputMode="stateUnchanged"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:launchMode="singleTask"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
@@ -274,7 +322,7 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".NewConversationActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:windowSoftInputMode="stateAlwaysVisible"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
@@ -284,7 +332,7 @@
           android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".giph.ui.GiphyActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:windowSoftInputMode="stateHidden"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
@@ -309,6 +357,16 @@
         </intent-filter>
     </activity>
 
+        <activity android:name=".wallpaper.ChatWallpaperActivity"
+                  android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"
+                  android:windowSoftInputMode="stateAlwaysHidden">
+        </activity>
+
+        <activity android:name=".wallpaper.ChatWallpaperPreviewActivity"
+            android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"
+            android:windowSoftInputMode="stateAlwaysHidden">
+        </activity>
+
     <activity android:name=".registration.RegistrationNavigationActivity"
               android:launchMode="singleTask"
               android:theme="@style/TextSecure.LightRegistrationTheme"
@@ -333,18 +391,22 @@
                android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".logsubmit.SubmitDebugLogActivity"
-              android:label="@string/AndroidManifest__log_submit"
               android:windowSoftInputMode="stateHidden"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
-        <activity android:name=".MediaPreviewActivity"
+    <activity android:name=".MediaPreviewActivity"
               android:label="@string/AndroidManifest__media_preview"
               android:windowSoftInputMode="stateHidden"
               android:launchMode="singleTask"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
+    <activity android:name=".AvatarPreviewActivity"
+              android:label="@string/AndroidManifest__media_preview"
+              android:windowSoftInputMode="stateHidden"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
     <activity android:name=".mediaoverview.MediaOverviewActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:windowSoftInputMode="stateHidden"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
@@ -395,15 +457,11 @@
 
     </activity>
 
-    <activity android:name=".RecipientPreferenceActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
-              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
-
     <activity android:name=".mediasend.AvatarSelectionActivity"
               android:theme="@style/TextSecure.FullScreenMedia"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
-    <activity android:name=".BlockedContactsActivity"
+    <activity android:name=".blocked.BlockedUsersActivity"
               android:theme="@style/TextSecure.LightTheme"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
@@ -412,9 +470,12 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".profiles.edit.EditProfileActivity"
-            android:theme="@style/TextSecure.LightRegistrationTheme"
-            android:windowSoftInputMode="stateVisible"
-            android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+              android:theme="@style/TextSecure.LightRegistrationTheme"
+              android:windowSoftInputMode="stateVisible|adjustResize" />
+
+    <activity android:name=".profiles.manage.ManageProfileActivity"
+              android:theme="@style/TextSecure.LightTheme"
+              android:windowSoftInputMode="stateVisible|adjustResize" />
 
     <activity android:name=".lock.v2.CreateKbsPinActivity"
             android:theme="@style/TextSecure.LightRegistrationTheme"
@@ -426,17 +487,14 @@
             android:windowSoftInputMode="adjustResize"
             android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
-    <activity android:name=".ClearProfileAvatarActivity"
-            android:theme="@style/Theme.AppCompat.Dialog.Alert"
-            android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"
-            android:icon="@drawable/clear_profile_avatar"
-            android:label="@string/AndroidManifest_remove_photo">
+    <activity android:name=".ClearAvatarPromptActivity"
+              android:theme="@style/Theme.AppCompat.Dialog.Alert"
+              android:icon="@drawable/clear_profile_avatar"
+              android:label="@string/AndroidManifest_remove_photo"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
-        <intent-filter>
-            <action android:name="org.thoughtcrime.securesms.action.CLEAR_PROFILE_PHOTO"/>
-            <category android:name="android.intent.category.DEFAULT"/>
-        </intent-filter>
-    </activity>
+    <activity android:name=".contacts.TurnOffContactJoinedNotificationsActivity"
+              android:theme="@style/Theme.AppCompat.Dialog.Alert" />
 
     <activity android:name=".messagerequests.MessageRequestMegaphoneActivity"
               android:theme="@style/TextSecure.LightRegistrationTheme"
@@ -448,33 +506,77 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".contactshare.ContactNameEditActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".contactshare.SharedContactDetailsActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".ShortcutLauncherActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:exported="true"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity
             android:name=".maps.PlacePickerActivity"
             android:label="@string/PlacePickerActivity_title"
-            android:theme="@style/TextSecure.LightNoActionBar"
+            android:theme="@style/Theme.Signal.DayNight.NoActionBar"
             android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".MainActivity"
-              android:theme="@style/TextSecure.LightNoActionBar"
-              android:launchMode="singleTask"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize" />
 
-    <service android:enabled="true" android:name="org.thoughtcrime.securesms.service.WebRtcCallService"/>
+    <activity android:name=".pin.PinRestoreActivity"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize" />
+
+    <activity android:name=".groups.ui.creategroup.CreateGroupActivity"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar" />
+
+    <activity android:name=".groups.ui.addtogroup.AddToGroupsActivity"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar" />
+
+    <activity android:name=".groups.ui.addmembers.AddMembersActivity"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar" />
+
+    <activity android:name=".groups.ui.creategroup.details.AddGroupDetailsActivity"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar" />
+
+    <activity android:name=".groups.ui.chooseadmin.ChooseNewAdminActivity"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize" />
+
+    <activity android:name=".megaphone.ClientDeprecatedActivity"
+              android:theme="@style/Theme.Signal.DayNight.NoActionBar"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize|uiMode"
+              android:launchMode="singleTask" />
+
+    <activity android:name=".wallpaper.crop.WallpaperImageSelectionActivity"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"
+              android:theme="@style/TextSecure.FullScreenMedia" />
+
+    <activity android:name=".wallpaper.crop.WallpaperCropActivity"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"
+              android:screenOrientation="portrait"
+              android:theme="@style/Theme.Signal.WallpaperCropper" />
+
+    <service android:enabled="true" android:name=".service.WebRtcCallService"/>
     <service android:enabled="true" android:name=".service.ApplicationMigrationService"/>
     <service android:enabled="true" android:exported="false" android:name=".service.KeyCachingService"/>
-    <service android:enabled="true" android:name=".service.IncomingMessageObserver$ForegroundService"/>
+    <service android:enabled="true" android:name=".messages.IncomingMessageObserver$ForegroundService"/>
+
+    <service android:name=".components.voice.VoiceNotePlaybackService">
+        <intent-filter>
+            <action android:name="android.media.browse.MediaBrowserService" />
+        </intent-filter>
+    </service>
+
+    <receiver android:name="androidx.media.session.MediaButtonReceiver" >
+        <intent-filter>
+            <action android:name="android.intent.action.MEDIA_BUTTON" />
+        </intent-filter>
+    </receiver>
 
     <service android:name=".service.QuickResponseService"
              android:permission="android.permission.SEND_RESPOND_VIA_MESSAGE"
@@ -513,7 +615,9 @@
 
     <service android:name=".service.GenericForegroundService"/>
 
-    <service android:name=".gcm.FcmService">
+    <service android:name=".gcm.FcmFetchService" />
+
+    <service android:name=".gcm.FcmReceiveService">
         <intent-filter>
             <action android:name="com.google.firebase.MESSAGING_EVENT" />
         </intent-filter>
@@ -586,18 +690,25 @@
 
     <receiver android:name=".revealable.ViewOnceMessageManager$ViewOnceAlarm" />
 
+    <receiver android:name=".service.TrimThreadsByDateManager$TrimThreadsByDateAlarm" />
+
     <provider android:name=".providers.PartProvider"
               android:grantUriPermissions="true"
               android:exported="false"
-              android:authorities="org.thoughtcrime.provider.securesms" />
+              android:authorities="${applicationId}.part" />
+
+    <provider android:name=".providers.BlobContentProvider"
+              android:authorities="${applicationId}.blob"
+              android:exported="false"
+              android:grantUriPermissions="true" />
 
     <provider android:name=".providers.MmsBodyProvider"
               android:grantUriPermissions="true"
               android:exported="false"
-              android:authorities="org.thoughtcrime.provider.securesms.mms" />
+              android:authorities="${applicationId}.mms" />
 
     <provider android:name="androidx.core.content.FileProvider"
-              android:authorities="org.thoughtcrime.securesms.fileprovider"
+              android:authorities="${applicationId}.fileprovider"
               android:exported="false"
               android:grantUriPermissions="true">
 
@@ -606,23 +717,23 @@
     </provider>
 
     <provider android:name=".database.DatabaseContentProviders$Conversation"
-              android:authorities="org.thoughtcrime.securesms.database.conversation"
+              android:authorities="${applicationId}.database.conversation"
               android:exported="false" />
 
     <provider android:name=".database.DatabaseContentProviders$ConversationList"
-              android:authorities="org.thoughtcrime.securesms.database.conversationlist"
+              android:authorities="${applicationId}.database.conversationlist"
               android:exported="false" />
 
     <provider android:name=".database.DatabaseContentProviders$Attachment"
-              android:authorities="org.thoughtcrime.securesms.database.attachment"
+              android:authorities="${applicationId}.database.attachment"
               android:exported="false" />
 
     <provider android:name=".database.DatabaseContentProviders$Sticker"
-              android:authorities="org.thoughtcrime.securesms.database.sticker"
+              android:authorities="${applicationId}.database.sticker"
               android:exported="false" />
 
     <provider android:name=".database.DatabaseContentProviders$StickerPack"
-              android:authorities="org.thoughtcrime.securesms.database.stickerpack"
+              android:authorities="${applicationId}.database.stickerpack"
               android:exported="false" />
 
     <receiver android:name=".service.BootReceiver">
@@ -668,11 +779,7 @@
         </intent-filter>
     </receiver>
 
-    <receiver android:name=".notifications.MessageNotifier$ReminderReceiver">
-        <intent-filter>
-            <action android:name="org.thoughtcrime.securesms.MessageNotifier.REMINDER_ACTION"/>
-        </intent-filter>
-    </receiver>
+    <receiver android:name=".notifications.MessageNotifier$ReminderReceiver"/>
 
     <receiver android:name=".notifications.DeleteNotificationReceiver">
         <intent-filter>
@@ -719,12 +826,5 @@
 
     <uses-library android:name="org.apache.http.legacy" android:required="false"/>
 
-    <uses-library android:name="com.sec.android.app.multiwindow" android:required="false"/>
-    <meta-data android:name="com.sec.android.support.multiwindow" android:value="true" />
-    <meta-data android:name="com.sec.android.multiwindow.DEFAULT_SIZE_W" android:value="632.0dip" />
-    <meta-data android:name="com.sec.android.multiwindow.DEFAULT_SIZE_H" android:value="598.0dip" />
-    <meta-data android:name="com.sec.android.multiwindow.MINIMUM_SIZE_W" android:value="632.0dip" />
-    <meta-data android:name="com.sec.android.multiwindow.MINIMUM_SIZE_H" android:value="598.0dip" />
-
 </application>
 </manifest>

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.thoughtcrime.securesms.mediasend.camerax;
+package androidx.camera.view;
 
 import android.Manifest.permission;
 import android.annotation.SuppressLint;
@@ -28,7 +28,6 @@ import android.os.Looper;
 import android.os.Parcelable;
 import android.text.TextUtils;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.view.Display;
 import android.view.MotionEvent;
 import android.view.ScaleGestureDetector;
@@ -46,42 +45,44 @@ import androidx.annotation.RestrictTo;
 import androidx.annotation.RestrictTo.Scope;
 import androidx.camera.core.Camera;
 import androidx.camera.core.CameraSelector;
-import androidx.camera.core.DisplayOrientedMeteringPointFactory;
 import androidx.camera.core.FocusMeteringAction;
 import androidx.camera.core.FocusMeteringResult;
 import androidx.camera.core.ImageCapture;
 import androidx.camera.core.ImageCapture.OnImageCapturedCallback;
+import androidx.camera.core.ImageCapture.OnImageSavedCallback;
 import androidx.camera.core.ImageProxy;
+import androidx.camera.core.Logger;
 import androidx.camera.core.MeteringPoint;
+import androidx.camera.core.MeteringPointFactory;
+import androidx.camera.core.VideoCapture;
+import androidx.camera.core.VideoCapture.OnVideoSavedCallback;
 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.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LiveData;
 
 import com.google.common.util.concurrent.ListenableFuture;
 
-import org.thoughtcrime.securesms.R;
-
-import java.io.FileDescriptor;
+import java.io.File;
 import java.util.concurrent.Executor;
 
 /**
  * A {@link View} that displays a preview of the camera with methods {@link
  * #takePicture(Executor, OnImageCapturedCallback)},
- * {@link #startRecording(FileDescriptor, Executor, VideoCapture.OnVideoSavedCallback)} and {@link #stopRecording()}.
+ * {@link #takePicture(ImageCapture.OutputFileOptions, Executor, OnImageSavedCallback)},
+ * {@link #startRecording(File , Executor , OnVideoSavedCallback callback)}
+ * and {@link #stopRecording()}.
  *
  * <p>Because the Camera is a limited resource and consumes a high amount of power, CameraView must
  * be opened/closed. CameraView will handle opening/closing automatically through use of a {@link
  * LifecycleOwner}. Use {@link #bindToLifecycle(LifecycleOwner)} to start the camera.
  */
-// Begin Signal Custom Code Block
 @RequiresApi(21)
 @SuppressLint("RestrictedApi")
-// End Signal Custom Code Block
-public final class CameraXView extends FrameLayout {
-  static final String TAG = CameraXView.class.getSimpleName();
-  static final boolean DEBUG = false;
+public final class SignalCameraView extends FrameLayout {
+  static final String TAG = SignalCameraView.class.getSimpleName();
 
   static final int INDEFINITE_VIDEO_DURATION = -1;
   static final int INDEFINITE_VIDEO_SIZE = -1;
@@ -107,7 +108,7 @@ public final class CameraXView extends FrameLayout {
   // For pinch-to-zoom
   private PinchToZoomGestureDetector mPinchToZoomGestureDetector;
   private boolean mIsPinchToZoomEnabled = true;
-  CameraXModule mCameraModule;
+  SignalCameraXModule mCameraModule;
   private final DisplayManager.DisplayListener mDisplayListener =
       new DisplayListener() {
         @Override
@@ -124,26 +125,25 @@ public final class CameraXView extends FrameLayout {
         }
       };
   private PreviewView mPreviewView;
-  private ScaleType mScaleType = ScaleType.CENTER_CROP;
   // For accessibility event
   private MotionEvent mUpEvent;
 
-  public CameraXView(@NonNull Context context) {
+  public SignalCameraView(@NonNull Context context) {
     this(context, null);
   }
 
-  public CameraXView(@NonNull Context context, @Nullable AttributeSet attrs) {
+  public SignalCameraView(@NonNull Context context, @Nullable AttributeSet attrs) {
     this(context, attrs, 0);
   }
 
-  public CameraXView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyle) {
+  public SignalCameraView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyle) {
     super(context, attrs, defStyle);
     init(context, attrs);
   }
 
   @RequiresApi(21)
-  public CameraXView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr,
-                    int defStyleRes) {
+  public SignalCameraView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr,
+                          int defStyleRes) {
     super(context, attrs, defStyleAttr, defStyleRes);
     init(context, attrs);
   }
@@ -172,23 +172,23 @@ public final class CameraXView extends FrameLayout {
 
   private void init(Context context, @Nullable AttributeSet attrs) {
     addView(mPreviewView = new PreviewView(getContext()), 0 /* view position */);
-    mCameraModule = new CameraXModule(this);
+    mCameraModule = new SignalCameraXModule(this);
 
     if (attrs != null) {
-      TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CameraXView);
+      TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CameraView);
       setScaleType(
-          ScaleType.fromId(
-              a.getInteger(R.styleable.CameraXView_scaleType,
+          PreviewView.ScaleType.fromId(
+              a.getInteger(R.styleable.CameraView_scaleType,
                   getScaleType().getId())));
       setPinchToZoomEnabled(
           a.getBoolean(
-              R.styleable.CameraXView_pinchToZoomEnabled, isPinchToZoomEnabled()));
+              R.styleable.CameraView_pinchToZoomEnabled, isPinchToZoomEnabled()));
       setCaptureMode(
           CaptureMode.fromId(
-              a.getInteger(R.styleable.CameraXView_captureMode,
+              a.getInteger(R.styleable.CameraView_captureMode,
                   getCaptureMode().getId())));
 
-      int lensFacing = a.getInt(R.styleable.CameraXView_lensFacing, LENS_FACING_BACK);
+      int lensFacing = a.getInt(R.styleable.CameraView_lensFacing, LENS_FACING_BACK);
       switch (lensFacing) {
         case LENS_FACING_NONE:
           setCameraLensFacing(null);
@@ -203,7 +203,7 @@ public final class CameraXView extends FrameLayout {
           // Unhandled event.
       }
 
-      int flashMode = a.getInt(R.styleable.CameraXView_flash, 0);
+      int flashMode = a.getInt(R.styleable.CameraView_flash, 0);
       switch (flashMode) {
         case FLASH_MODE_AUTO:
           setFlash(ImageCapture.FLASH_MODE_AUTO);
@@ -265,7 +265,7 @@ public final class CameraXView extends FrameLayout {
     if (savedState instanceof Bundle) {
       Bundle state = (Bundle) savedState;
       super.onRestoreInstanceState(state.getParcelable(EXTRA_SUPER));
-      setScaleType(ScaleType.fromId(state.getInt(EXTRA_SCALE_TYPE)));
+      setScaleType(PreviewView.ScaleType.fromId(state.getInt(EXTRA_SCALE_TYPE)));
       setZoomRatio(state.getFloat(EXTRA_ZOOM_RATIO));
       setPinchToZoomEnabled(state.getBoolean(EXTRA_PINCH_TO_ZOOM_ENABLED));
       setFlash(FlashModeConverter.valueOf(state.getString(EXTRA_FLASH)));
@@ -298,6 +298,21 @@ public final class CameraXView extends FrameLayout {
     dpyMgr.unregisterDisplayListener(mDisplayListener);
   }
 
+  /**
+   * Gets the {@link LiveData} of the underlying {@link PreviewView}'s
+   * {@link PreviewView.StreamState}.
+   *
+   * @return A {@link LiveData} containing the {@link PreviewView.StreamState}. Apps can either
+   * get current value by {@link LiveData#getValue()} or register a observer by
+   * {@link LiveData#observe}.
+   * @see PreviewView#getPreviewStreamState()
+   */
+  @NonNull
+  public LiveData<PreviewView.StreamState> getPreviewStreamState() {
+    return mPreviewView.getPreviewStreamState();
+  }
+
+  @NonNull
   PreviewView getPreviewView() {
     return mPreviewView;
   }
@@ -347,11 +362,11 @@ public final class CameraXView extends FrameLayout {
   /**
    * Returns the scale type used to scale the preview.
    *
-   * @return The current {@link ScaleType}.
+   * @return The current {@link PreviewView.ScaleType}.
    */
   @NonNull
-  public ScaleType getScaleType() {
-    return mScaleType;
+  public PreviewView.ScaleType getScaleType() {
+    return mPreviewView.getScaleType();
   }
 
   /**
@@ -359,13 +374,10 @@ public final class CameraXView extends FrameLayout {
    *
    * <p>This controls how the view finder should be scaled and positioned within the view.
    *
-   * @param scaleType The desired {@link ScaleType}.
+   * @param scaleType The desired {@link PreviewView.ScaleType}.
    */
-  public void setScaleType(@NonNull ScaleType scaleType) {
-    if (scaleType != mScaleType) {
-      mScaleType = scaleType;
-      requestLayout();
-    }
+  public void setScaleType(@NonNull PreviewView.ScaleType scaleType) {
+    mPreviewView.setScaleType(scaleType);
   }
 
   /**
@@ -401,8 +413,10 @@ public final class CameraXView extends FrameLayout {
   }
 
   /**
-   * Sets the maximum video duration before {@link VideoCapture.OnVideoSavedCallback#onVideoSaved(FileDescriptor)} is
-   * called automatically. Use {@link #INDEFINITE_VIDEO_DURATION} to disable the timeout.
+   * Sets the maximum video duration before
+   * {@link OnVideoSavedCallback#onVideoSaved(VideoCapture.OutputFileResults)} is called
+   * automatically.
+   * Use {@link #INDEFINITE_VIDEO_DURATION} to disable the timeout.
    */
   private void setMaxVideoDuration(long duration) {
     mCameraModule.setMaxVideoDuration(duration);
@@ -417,7 +431,8 @@ public final class CameraXView extends FrameLayout {
   }
 
   /**
-   * Sets the maximum video size in bytes before {@link VideoCapture.OnVideoSavedCallback#onVideoSaved(FileDescriptor)}
+   * Sets the maximum video size in bytes before
+   * {@link OnVideoSavedCallback#onVideoSaved(VideoCapture.OutputFileResults)}
    * is called automatically. Use {@link #INDEFINITE_VIDEO_SIZE} to disable the size restriction.
    */
   private void setMaxVideoSize(long size) {
@@ -435,28 +450,38 @@ public final class CameraXView extends FrameLayout {
     mCameraModule.takePicture(executor, callback);
   }
 
+  /**
+   * Takes a picture and calls
+   * {@link OnImageSavedCallback#onImageSaved(ImageCapture.OutputFileResults)} when done.
+   *
+   * <p> The value of {@link ImageCapture.Metadata#isReversedHorizontal()} in the
+   * {@link ImageCapture.OutputFileOptions} will be overwritten based on camera direction. For
+   * front camera, it will be set to true; for back camera, it will be set to false.
+   *
+   * @param outputFileOptions Options to store the newly captured image.
+   * @param executor          The executor in which the callback methods will be run.
+   * @param callback          Callback which will receive success or failure.
+   */
+  public void takePicture(@NonNull ImageCapture.OutputFileOptions outputFileOptions,
+                          @NonNull Executor executor,
+                          @NonNull OnImageSavedCallback callback) {
+    mCameraModule.takePicture(outputFileOptions, executor, callback);
+  }
+
   /**
    * Takes a video and calls the OnVideoSavedCallback when done.
    *
-   * @param file     The destination.
-   * @param executor The executor in which the callback methods will be run.
-   * @param callback Callback which will receive success or failure.
+   * @param outputFileOptions     Options to store the newly captured video.
+   * @param executor              The executor in which the callback methods will be run.
+   * @param callback              Callback which will receive success or failure.
    */
-  // Begin Signal Custom Code Block
-  @RequiresApi(26)
-  // End Signal Custom Code Block
-  public void startRecording(// Begin Signal Custom Code Block
-                             @NonNull FileDescriptor file,
-                             // End Signal Custom Code Block
+  public void startRecording(@NonNull VideoCapture.OutputFileOptions outputFileOptions,
                              @NonNull Executor executor,
-                             @NonNull VideoCapture.OnVideoSavedCallback callback) {
-    mCameraModule.startRecording(file, executor, callback);
+                             @NonNull OnVideoSavedCallback callback) {
+    mCameraModule.startRecording(outputFileOptions, executor, callback);
   }
 
   /** Stops an in progress video. */
-  // Begin Signal Custom Code Block
-  @RequiresApi(26)
-  // End Signal Custom Code Block
   public void stopRecording() {
     mCameraModule.stopRecording();
   }
@@ -554,7 +579,8 @@ public final class CameraXView extends FrameLayout {
         mDownEventTimestamp = System.currentTimeMillis();
         break;
       case MotionEvent.ACTION_UP:
-        if (delta() < ViewConfiguration.getLongPressTimeout()) {
+        if (delta() < ViewConfiguration.getLongPressTimeout()
+            && mCameraModule.isBoundToLifecycle()) {
           mUpEvent = event;
           performClick();
         }
@@ -578,19 +604,14 @@ public final class CameraXView extends FrameLayout {
     final float y = (mUpEvent != null) ? mUpEvent.getY() : getY() + getHeight() / 2f;
     mUpEvent = null;
 
-    CameraSelector cameraSelector =
-        new CameraSelector.Builder().requireLensFacing(
-            mCameraModule.getLensFacing()).build();
-
-    DisplayOrientedMeteringPointFactory pointFactory = new DisplayOrientedMeteringPointFactory(
-        getDisplay(), cameraSelector, mPreviewView.getWidth(), mPreviewView.getHeight());
-    float afPointWidth = 1.0f / 6.0f;  // 1/6 total area
-    float aePointWidth = afPointWidth * 1.5f;
-    MeteringPoint afPoint = pointFactory.createPoint(x, y, afPointWidth);
-    MeteringPoint aePoint = pointFactory.createPoint(x, y, aePointWidth);
-
     Camera camera = mCameraModule.getCamera();
     if (camera != null) {
+      MeteringPointFactory pointFactory = mPreviewView.getMeteringPointFactory();
+      float afPointWidth = 1.0f / 6.0f;  // 1/6 total area
+      float aePointWidth = afPointWidth * 1.5f;
+      MeteringPoint afPoint = pointFactory.createPoint(x, y, afPointWidth);
+      MeteringPoint aePoint = pointFactory.createPoint(x, y, aePointWidth);
+
       ListenableFuture<FocusMeteringResult> future =
           camera.getCameraControl().startFocusAndMetering(
               new FocusMeteringAction.Builder(afPoint,
@@ -609,7 +630,7 @@ public final class CameraXView extends FrameLayout {
       }, CameraXExecutors.directExecutor());
 
     } else {
-      Log.d(TAG, "cannot access camera");
+      Logger.d(TAG, "cannot access camera");
     }
 
     return true;
@@ -711,45 +732,11 @@ public final class CameraXView extends FrameLayout {
     return mCameraModule.isTorchOn();
   }
 
-  /** Options for scaling the bounds of the view finder to the bounds of this view. */
-  public enum ScaleType {
-    /**
-     * Scale the view finder, maintaining the source aspect ratio, so the view finder fills the
-     * entire view. This will cause the view finder to crop the source image if the camera
-     * aspect ratio does not match the view aspect ratio.
-     */
-    CENTER_CROP(0),
-    /**
-     * Scale the view finder, maintaining the source aspect ratio, so the view finder is
-     * entirely contained within the view.
-     */
-    CENTER_INSIDE(1);
-
-    private final int mId;
-
-    int getId() {
-      return mId;
-    }
-
-    ScaleType(int id) {
-      mId = id;
-    }
-
-    static ScaleType fromId(int id) {
-      for (ScaleType st : values()) {
-        if (st.mId == id) {
-          return st;
-        }
-      }
-      throw new IllegalArgumentException();
-    }
-  }
-
   /**
    * The capture mode used by CameraView.
    *
    * <p>This enum can be used to determine which capture mode will be enabled for {@link
-   * CameraXView}.
+   * SignalCameraView}.
    */
   public enum CaptureMode {
     /** A mode where image capture is enabled. */
@@ -832,4 +819,4 @@ public final class CameraXView extends FrameLayout {
     public void onScaleEnd(ScaleGestureDetector detector) {
     }
   }
-}
+}

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

@@ -14,13 +14,12 @@
  * limitations under the License.
  */
 
-package org.thoughtcrime.securesms.mediasend.camerax;
+package androidx.camera.view;
 
 import android.Manifest.permission;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.Resources;
-import android.util.Log;
 import android.util.Rational;
 import android.util.Size;
 
@@ -28,18 +27,20 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 import androidx.annotation.RequiresPermission;
-import androidx.camera.core.AspectRatio;
 import androidx.camera.core.Camera;
+import androidx.camera.core.CameraInfoUnavailableException;
 import androidx.camera.core.CameraSelector;
-import androidx.camera.core.CameraX;
 import androidx.camera.core.ImageCapture;
 import androidx.camera.core.ImageCapture.OnImageCapturedCallback;
+import androidx.camera.core.ImageCapture.OnImageSavedCallback;
+import androidx.camera.core.Logger;
 import androidx.camera.core.Preview;
 import androidx.camera.core.TorchState;
 import androidx.camera.core.UseCase;
+import androidx.camera.core.VideoCapture;
+import androidx.camera.core.VideoCapture.OnVideoSavedCallback;
 import androidx.camera.core.impl.CameraInternal;
 import androidx.camera.core.impl.LensFacingConverter;
-import androidx.camera.core.impl.VideoCaptureConfig;
 import androidx.camera.core.impl.utils.CameraOrientationUtil;
 import androidx.camera.core.impl.utils.executor.CameraXExecutors;
 import androidx.camera.core.impl.utils.futures.FutureCallback;
@@ -53,10 +54,10 @@ import androidx.lifecycle.OnLifecycleEvent;
 
 import com.google.common.util.concurrent.ListenableFuture;
 
+import org.thoughtcrime.securesms.mediasend.camerax.CameraXUtil;
 import org.thoughtcrime.securesms.mms.MediaConstraints;
 import org.thoughtcrime.securesms.video.VideoUtil;
 
-import java.io.FileDescriptor;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.LinkedHashSet;
@@ -69,10 +70,9 @@ import java.util.concurrent.atomic.AtomicBoolean;
 import static androidx.camera.core.ImageCapture.FLASH_MODE_OFF;
 
 /** CameraX use case operation built on @{link androidx.camera.core}. */
-// Begin Signal Custom Code Block
 @RequiresApi(21)
-// End Signal Custom Code Block
-final class CameraXModule {
+@SuppressLint("RestrictedApi")
+final class SignalCameraXModule {
   public static final String TAG = "CameraXModule";
 
   private static final float UNITY_ZOOM_SCALE = 1f;
@@ -83,13 +83,13 @@ final class CameraXModule {
   private static final Rational ASPECT_RATIO_3_4 = new Rational(3, 4);
 
   private final Preview.Builder mPreviewBuilder;
-  private final VideoCaptureConfig.Builder mVideoCaptureConfigBuilder;
+  private final VideoCapture.Builder mVideoCaptureBuilder;
   private final ImageCapture.Builder mImageCaptureBuilder;
-  private final CameraXView mCameraXView;
+  private final SignalCameraView mCameraView;
   final AtomicBoolean mVideoIsRecording = new AtomicBoolean(false);
-  private CameraXView.CaptureMode mCaptureMode = CameraXView.CaptureMode.IMAGE;
-  private long mMaxVideoDuration = CameraXView.INDEFINITE_VIDEO_DURATION;
-  private long mMaxVideoSize = CameraXView.INDEFINITE_VIDEO_SIZE;
+  private SignalCameraView.CaptureMode mCaptureMode = SignalCameraView.CaptureMode.IMAGE;
+  private long mMaxVideoDuration = SignalCameraView.INDEFINITE_VIDEO_DURATION;
+  private long mMaxVideoSize = SignalCameraView.INDEFINITE_VIDEO_SIZE;
   @ImageCapture.FlashMode
   private int mFlash = FLASH_MODE_OFF;
   @Nullable
@@ -111,7 +111,6 @@ final class CameraXModule {
         public void onDestroy(LifecycleOwner owner) {
           if (owner == mCurrentLifecycle) {
             clearCurrentLifecycle();
-            mPreview.setSurfaceProvider(null);
           }
         }
       };
@@ -124,8 +123,8 @@ final class CameraXModule {
   @Nullable
   ProcessCameraProvider mCameraProvider;
 
-  CameraXModule(CameraXView view) {
-    mCameraXView = view;
+  SignalCameraXModule(SignalCameraView view) {
+    mCameraView = view;
 
     Futures.addCallback(ProcessCameraProvider.getInstance(view.getContext()),
         new FutureCallback<ProcessCameraProvider>() {
@@ -150,14 +149,12 @@ final class CameraXModule {
 
     mImageCaptureBuilder = new ImageCapture.Builder().setTargetName("ImageCapture");
 
-    // Begin Signal Custom Code Block
-    mVideoCaptureConfigBuilder =
-        new VideoCaptureConfig.Builder().setTargetName("VideoCapture")
-                                        .setAudioBitRate(VideoUtil.AUDIO_BIT_RATE)
-                                        .setVideoFrameRate(VideoUtil.VIDEO_FRAME_RATE)
-                                        .setBitRate(VideoUtil.VIDEO_BIT_RATE);
-    // End Signal Custom Code Block
+    mVideoCaptureBuilder = new VideoCapture.Builder().setTargetName("VideoCapture")
+                                                     .setAudioBitRate(VideoUtil.AUDIO_BIT_RATE)
+                                                     .setVideoFrameRate(VideoUtil.VIDEO_FRAME_RATE)
+                                                     .setBitRate(VideoUtil.VIDEO_BIT_RATE);
   }
+
   @RequiresPermission(permission.CAMERA)
   void bindToLifecycle(LifecycleOwner lifecycleOwner) {
     mNewLifecycle = lifecycleOwner;
@@ -174,12 +171,15 @@ final class CameraXModule {
     }
 
     clearCurrentLifecycle();
+    if (mNewLifecycle.getLifecycle().getCurrentState() == Lifecycle.State.DESTROYED) {
+      // Lifecycle is already in a destroyed state. Since it may have been a valid
+      // lifecycle when bound, but became destroyed while waiting for layout, treat this as
+      // a no-op now that we have cleared the previous lifecycle.
+      mNewLifecycle = null;
+      return;
+    }
     mCurrentLifecycle = mNewLifecycle;
     mNewLifecycle = null;
-    if (mCurrentLifecycle.getLifecycle().getCurrentState() == Lifecycle.State.DESTROYED) {
-      mCurrentLifecycle = null;
-      throw new IllegalArgumentException("Cannot bind to lifecycle in a destroyed state.");
-    }
 
     if (mCameraProvider == null) {
       // try again once the camera provider is no longer null
@@ -189,18 +189,18 @@ final class CameraXModule {
     Set<Integer> available = getAvailableCameraLensFacing();
 
     if (available.isEmpty()) {
-      Log.w(TAG, "Unable to bindToLifeCycle since no cameras available");
+      Logger.w(TAG, "Unable to bindToLifeCycle since no cameras available");
       mCameraLensFacing = null;
     }
 
     // Ensure the current camera exists, or default to another camera
     if (mCameraLensFacing != null && !available.contains(mCameraLensFacing)) {
-      Log.w(TAG, "Camera does not exist with direction " + mCameraLensFacing);
+      Logger.w(TAG, "Camera does not exist with direction " + mCameraLensFacing);
 
       // Default to the first available camera direction
       mCameraLensFacing = available.iterator().next();
 
-      Log.w(TAG, "Defaulting to primary camera with direction " + mCameraLensFacing);
+      Logger.w(TAG, "Defaulting to primary camera with direction " + mCameraLensFacing);
     }
 
     // Do not attempt to create use cases for a null cameraLensFacing. This could occur if
@@ -217,14 +217,12 @@ final class CameraXModule {
     boolean isDisplayPortrait = getDisplayRotationDegrees() == 0
         || getDisplayRotationDegrees() == 180;
 
-    Rational targetAspectRatio;
-
     // Begin Signal Custom Code Block
     int resolution = CameraXUtil.getIdealResolution(Resources.getSystem().getDisplayMetrics().widthPixels, Resources.getSystem().getDisplayMetrics().heightPixels);
     // End Signal Custom Code Block
 
-    if (getCaptureMode() == CameraXView.CaptureMode.IMAGE) {
-//      mImageCaptureBuilder.setTargetAspectRatio(AspectRatio.RATIO_4_3);
+    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
@@ -233,7 +231,6 @@ final class CameraXModule {
       // Begin Signal Custom Code Block
       mImageCaptureBuilder.setTargetResolution(CameraXUtil.buildResolutionForRatio(resolution, ASPECT_RATIO_16_9, isDisplayPortrait));
       // End Signal Custom Code Block
-//      mImageCaptureBuilder.setTargetAspectRatio(AspectRatio.RATIO_16_9);
       targetAspectRatio = isDisplayPortrait ? ASPECT_RATIO_9_16 : ASPECT_RATIO_16_9;
     }
 
@@ -246,15 +243,14 @@ final class CameraXModule {
 
     // Begin Signal Custom Code Block
     Size size = VideoUtil.getVideoRecordingSize();
-    mVideoCaptureConfigBuilder.setTargetResolution(size);
-    mVideoCaptureConfigBuilder.setMaxResolution(size);
+    mVideoCaptureBuilder.setTargetResolution(size);
+    mVideoCaptureBuilder.setMaxResolution(size);
     // End Signal Custom Code Block
 
-    mVideoCaptureConfigBuilder.setTargetRotation(getDisplaySurfaceRotation());
-
+    mVideoCaptureBuilder.setTargetRotation(getDisplaySurfaceRotation());
     // Begin Signal Custom Code Block
     if (MediaConstraints.isVideoTranscodeAvailable()) {
-      mVideoCapture = new VideoCapture(mVideoCaptureConfigBuilder.getUseCaseConfig());
+      mVideoCapture = mVideoCaptureBuilder.build();
     }
     // End Signal Custom Code Block
 
@@ -263,15 +259,15 @@ final class CameraXModule {
     mPreviewBuilder.setTargetResolution(new Size(getMeasuredWidth(), height));
 
     mPreview = mPreviewBuilder.build();
-    mPreview.setSurfaceProvider(mCameraXView.getPreviewView().getPreviewSurfaceProvider());
+    mPreview.setSurfaceProvider(mCameraView.getPreviewView().getSurfaceProvider());
 
     CameraSelector cameraSelector =
         new CameraSelector.Builder().requireLensFacing(mCameraLensFacing).build();
-    if (getCaptureMode() == CameraXView.CaptureMode.IMAGE) {
+    if (getCaptureMode() == SignalCameraView.CaptureMode.IMAGE) {
       mCamera = mCameraProvider.bindToLifecycle(mCurrentLifecycle, cameraSelector,
           mImageCapture,
           mPreview);
-    } else if (getCaptureMode() == CameraXView.CaptureMode.VIDEO) {
+    } else if (getCaptureMode() == SignalCameraView.CaptureMode.VIDEO) {
       mCamera = mCameraProvider.bindToLifecycle(mCurrentLifecycle, cameraSelector,
           mVideoCapture,
           mPreview);
@@ -302,7 +298,7 @@ final class CameraXModule {
       return;
     }
 
-    if (getCaptureMode() == CameraXView.CaptureMode.VIDEO) {
+    if (getCaptureMode() == SignalCameraView.CaptureMode.VIDEO) {
       throw new IllegalStateException("Can not take picture under VIDEO capture mode.");
     }
 
@@ -313,17 +309,32 @@ final class CameraXModule {
     mImageCapture.takePicture(executor, callback);
   }
 
-  // Begin Signal Custom Code Block
-  @RequiresApi(26)
-  public void startRecording(FileDescriptor file,
-                             // End Signal Custom Code Block
-                             Executor executor,
-                             final VideoCapture.OnVideoSavedCallback callback) {
+  public void takePicture(@NonNull ImageCapture.OutputFileOptions outputFileOptions,
+                          @NonNull Executor executor, OnImageSavedCallback callback) {
+    if (mImageCapture == null) {
+      return;
+    }
+
+    if (getCaptureMode() == SignalCameraView.CaptureMode.VIDEO) {
+      throw new IllegalStateException("Can not take picture under VIDEO capture mode.");
+    }
+
+    if (callback == null) {
+      throw new IllegalArgumentException("OnImageSavedCallback should not be empty");
+    }
+
+    outputFileOptions.getMetadata().setReversedHorizontal(mCameraLensFacing != null
+        && mCameraLensFacing == CameraSelector.LENS_FACING_FRONT);
+    mImageCapture.takePicture(outputFileOptions, executor, callback);
+  }
+
+  public void startRecording(VideoCapture.OutputFileOptions outputFileOptions,
+                             Executor executor, final OnVideoSavedCallback callback) {
     if (mVideoCapture == null) {
       return;
     }
 
-    if (getCaptureMode() == CameraXView.CaptureMode.IMAGE) {
+    if (getCaptureMode() == SignalCameraView.CaptureMode.IMAGE) {
       throw new IllegalStateException("Can not record video under IMAGE capture mode.");
     }
 
@@ -333,15 +344,14 @@ final class CameraXModule {
 
     mVideoIsRecording.set(true);
     mVideoCapture.startRecording(
-        file,
+        outputFileOptions,
         executor,
         new VideoCapture.OnVideoSavedCallback() {
           @Override
-          // Begin Signal Custom Code Block
-          public void onVideoSaved(@NonNull FileDescriptor savedFile) {
-          // End Signal Custom Code Block
+          public void onVideoSaved(
+              @NonNull VideoCapture.OutputFileResults outputFileResults) {
             mVideoIsRecording.set(false);
-            callback.onVideoSaved(savedFile);
+            callback.onVideoSaved(outputFileResults);
           }
 
           @Override
@@ -350,15 +360,12 @@ final class CameraXModule {
               @NonNull String message,
               @Nullable Throwable cause) {
             mVideoIsRecording.set(false);
-            Log.e(TAG, message, cause);
+            Logger.e(TAG, message, cause);
             callback.onError(videoCaptureError, message, cause);
           }
         });
   }
 
-  // Begin Signal Custom Code Block
-  @RequiresApi(26)
-  // End Signal Custom Code Block
   public void stopRecording() {
     if (mVideoCapture == null) {
       return;
@@ -389,14 +396,15 @@ final class CameraXModule {
 
   @RequiresPermission(permission.CAMERA)
   public boolean hasCameraWithLensFacing(@CameraSelector.LensFacing int lensFacing) {
-    String cameraId;
-    try {
-      cameraId = CameraX.getCameraWithLensFacing(lensFacing);
-    } catch (Exception e) {
-      throw new IllegalStateException("Unable to query lens facing.", e);
+    if (mCameraProvider == null) {
+      return false;
+    }
+    try {
+      return mCameraProvider.hasCamera(
+          new CameraSelector.Builder().requireLensFacing(lensFacing).build());
+    } catch (CameraInfoUnavailableException e) {
+      return false;
     }
-
-    return cameraId != null;
   }
 
   @Nullable
@@ -455,7 +463,7 @@ final class CameraXModule {
         }
       }, CameraXExecutors.directExecutor());
     } else {
-      Log.e(TAG, "Failed to set zoom ratio");
+      Logger.e(TAG, "Failed to set zoom ratio");
     }
   }
 
@@ -487,6 +495,10 @@ final class CameraXModule {
     }
   }
 
+  boolean isBoundToLifecycle() {
+    return mCamera != null;
+  }
+
   int getRelativeCameraOrientation(boolean compensateForMirroring) {
     int rotationDegrees = 0;
     if (mCamera != null) {
@@ -521,6 +533,11 @@ final class CameraXModule {
       if (!toUnbind.isEmpty()) {
         mCameraProvider.unbind(toUnbind.toArray((new UseCase[0])));
       }
+
+      // Remove surface provider once unbound.
+      if (mPreview != null) {
+        mPreview.setSurfaceProvider(null);
+      }
     }
     mCamera = null;
     mCurrentLifecycle = null;
@@ -533,7 +550,7 @@ final class CameraXModule {
       mImageCapture.setTargetRotation(getDisplaySurfaceRotation());
     }
 
-    if (mVideoCapture != null && MediaConstraints.isVideoTranscodeAvailable()) {
+    if (mVideoCapture != null) {
       mVideoCapture.setTargetRotation(getDisplaySurfaceRotation());
     }
   }
@@ -568,7 +585,7 @@ final class CameraXModule {
       return false;
     }
 
-    CameraInternal camera = mImageCapture.getBoundCamera();
+    CameraInternal camera = mImageCapture.getCamera();
 
     if (camera == null) {
       return false;
@@ -615,15 +632,15 @@ final class CameraXModule {
   }
 
   public Context getContext() {
-    return mCameraXView.getContext();
+    return mCameraView.getContext();
   }
 
   public int getWidth() {
-    return mCameraXView.getWidth();
+    return mCameraView.getWidth();
   }
 
   public int getHeight() {
-    return mCameraXView.getHeight();
+    return mCameraView.getHeight();
   }
 
   public int getDisplayRotationDegrees() {
@@ -631,15 +648,15 @@ final class CameraXModule {
   }
 
   protected int getDisplaySurfaceRotation() {
-    return mCameraXView.getDisplaySurfaceRotation();
+    return mCameraView.getDisplaySurfaceRotation();
   }
 
   private int getMeasuredWidth() {
-    return mCameraXView.getMeasuredWidth();
+    return mCameraView.getMeasuredWidth();
   }
 
   private int getMeasuredHeight() {
-    return mCameraXView.getMeasuredHeight();
+    return mCameraView.getMeasuredHeight();
   }
 
   @Nullable
@@ -648,11 +665,11 @@ final class CameraXModule {
   }
 
   @NonNull
-  public CameraXView.CaptureMode getCaptureMode() {
+  public SignalCameraView.CaptureMode getCaptureMode() {
     return mCaptureMode;
   }
 
-  public void setCaptureMode(@NonNull CameraXView.CaptureMode captureMode) {
+  public void setCaptureMode(@NonNull SignalCameraView.CaptureMode captureMode) {
     this.mCaptureMode = captureMode;
     rebindToLifecycle();
   }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

@@ -1,17 +1,22 @@
 package org.thoughtcrime.securesms;
 
-import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
+import org.thoughtcrime.securesms.util.FeatureFlags;
+import org.whispersystems.signalservice.api.account.AccountAttributes;
 
 public final class AppCapabilities {
 
   private AppCapabilities() {
   }
 
-  private static final boolean UUID_CAPABLE      = false;
-  private static final boolean GROUPS_V2_CAPABLE = false;
+  private static final boolean UUID_CAPABLE  = false;
+  private static final boolean GV2_CAPABLE   = true;
+  private static final boolean GV1_MIGRATION = true;
 
-  public static SignalServiceProfile.Capabilities getCapabilities() {
-    return new SignalServiceProfile.Capabilities(UUID_CAPABLE,
-                                                 GROUPS_V2_CAPABLE);
+  /**
+   * @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);
   }
 }

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

@@ -4,12 +4,12 @@ import android.content.Context;
 
 import androidx.annotation.NonNull;
 
+import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
 import org.thoughtcrime.securesms.insights.InsightsOptOut;
 import org.thoughtcrime.securesms.jobmanager.JobManager;
 import org.thoughtcrime.securesms.jobs.StickerPackDownloadJob;
 import org.thoughtcrime.securesms.keyvalue.SignalStore;
-import org.thoughtcrime.securesms.logging.Log;
 import org.thoughtcrime.securesms.migrations.ApplicationMigrations;
 import org.thoughtcrime.securesms.stickers.BlessedPacks;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
@@ -34,10 +34,16 @@ public final class AppInitialization {
     TextSecurePreferences.setJobManagerVersion(context, JobManager.CURRENT_VERSION);
     TextSecurePreferences.setLastExperienceVersionCode(context, Util.getCanonicalVersionCode());
     TextSecurePreferences.setHasSeenStickerIntroTooltip(context, true);
+    TextSecurePreferences.setPasswordDisabled(context, true);
+    TextSecurePreferences.setLastExperienceVersionCode(context, Util.getCanonicalVersionCode());
+    TextSecurePreferences.setReadReceiptsEnabled(context, true);
+    TextSecurePreferences.setTypingIndicatorsEnabled(context, true);
+    TextSecurePreferences.setHasSeenWelcomeScreen(context, false);
     ApplicationDependencies.getMegaphoneRepository().onFirstEverAppLaunch();
     SignalStore.onFirstEverAppLaunch();
     ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forInstall(BlessedPacks.ZOZO.getPackId(), BlessedPacks.ZOZO.getPackKey(), false));
     ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forInstall(BlessedPacks.BANDIT.getPackId(), BlessedPacks.BANDIT.getPackKey(), false));
+    ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forInstall(BlessedPacks.DAY_BY_DAY.getPackId(), BlessedPacks.DAY_BY_DAY.getPackKey(), false));
     ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forReference(BlessedPacks.SWOON_HANDS.getPackId(), BlessedPacks.SWOON_HANDS.getPackKey()));
     ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forReference(BlessedPacks.SWOON_FACES.getPackId(), BlessedPacks.SWOON_FACES.getPackKey()));
   }
@@ -47,8 +53,32 @@ public final class AppInitialization {
 
     ApplicationDependencies.getMegaphoneRepository().onFirstEverAppLaunch();
     SignalStore.onFirstEverAppLaunch();
+    SignalStore.onboarding().clearAll();
     ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forInstall(BlessedPacks.ZOZO.getPackId(), BlessedPacks.ZOZO.getPackKey(), false));
     ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forInstall(BlessedPacks.BANDIT.getPackId(), BlessedPacks.BANDIT.getPackKey(), false));
+    ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forInstall(BlessedPacks.DAY_BY_DAY.getPackId(), BlessedPacks.DAY_BY_DAY.getPackKey(), false));
+    ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forReference(BlessedPacks.SWOON_HANDS.getPackId(), BlessedPacks.SWOON_HANDS.getPackKey()));
+    ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forReference(BlessedPacks.SWOON_FACES.getPackId(), BlessedPacks.SWOON_FACES.getPackKey()));
+  }
+
+  /**
+   * Temporary migration method that does the safest bits of {@link #onFirstEverAppLaunch(Context)}
+   */
+  public static void onRepairFirstEverAppLaunch(@NonNull Context context) {
+    Log.w(TAG, "onRepairFirstEverAppLaunch()");
+
+    InsightsOptOut.userRequestedOptOut(context);
+    TextSecurePreferences.setAppMigrationVersion(context, ApplicationMigrations.CURRENT_VERSION);
+    TextSecurePreferences.setJobManagerVersion(context, JobManager.CURRENT_VERSION);
+    TextSecurePreferences.setLastExperienceVersionCode(context, Util.getCanonicalVersionCode());
+    TextSecurePreferences.setHasSeenStickerIntroTooltip(context, true);
+    TextSecurePreferences.setPasswordDisabled(context, true);
+    TextSecurePreferences.setLastExperienceVersionCode(context, Util.getCanonicalVersionCode());
+    ApplicationDependencies.getMegaphoneRepository().onFirstEverAppLaunch();
+    SignalStore.onFirstEverAppLaunch();
+    ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forInstall(BlessedPacks.ZOZO.getPackId(), BlessedPacks.ZOZO.getPackKey(), false));
+    ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forInstall(BlessedPacks.BANDIT.getPackId(), BlessedPacks.BANDIT.getPackKey(), false));
+    ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forInstall(BlessedPacks.DAY_BY_DAY.getPackId(), BlessedPacks.DAY_BY_DAY.getPackKey(), false));
     ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forReference(BlessedPacks.SWOON_HANDS.getPackId(), BlessedPacks.SWOON_HANDS.getPackKey()));
     ApplicationDependencies.getJobManager().add(StickerPackDownloadJob.forReference(BlessedPacks.SWOON_FACES.getPackId(), BlessedPacks.SWOON_FACES.getPackKey()));
   }

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

@@ -16,12 +16,13 @@
  */
 package org.thoughtcrime.securesms;
 
-import android.annotation.SuppressLint;
 import android.content.Context;
-import android.os.AsyncTask;
+import android.hardware.SensorManager;
 import android.os.Build;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.WorkerThread;
 import androidx.appcompat.app.AppCompatDelegate;
 import androidx.lifecycle.DefaultLifecycleObserver;
 import androidx.lifecycle.LifecycleOwner;
@@ -32,43 +33,53 @@ import com.google.android.gms.security.ProviderInstaller;
 
 import org.conscrypt.Conscrypt;
 import org.signal.aesgcmprovider.AesGcmProvider;
+import org.signal.core.util.ShakeDetector;
+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.components.TypingStatusRepository;
-import org.thoughtcrime.securesms.components.TypingStatusSender;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.helpers.SQLCipherOpenHelper;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencyProvider;
 import org.thoughtcrime.securesms.gcm.FcmJobService;
+import org.thoughtcrime.securesms.jobmanager.JobManager;
 import org.thoughtcrime.securesms.jobs.CreateSignedPreKeyJob;
 import org.thoughtcrime.securesms.jobs.FcmRefreshJob;
+import org.thoughtcrime.securesms.jobs.GroupV1MigrationJob;
 import org.thoughtcrime.securesms.jobs.MultiDeviceContactUpdateJob;
 import org.thoughtcrime.securesms.jobs.PushNotificationReceiveJob;
 import org.thoughtcrime.securesms.jobs.RefreshPreKeysJob;
-import org.thoughtcrime.securesms.logging.AndroidLogger;
+import org.thoughtcrime.securesms.jobs.RetrieveProfileJob;
+import org.thoughtcrime.securesms.keyvalue.SignalStore;
 import org.thoughtcrime.securesms.logging.CustomSignalProtocolLogger;
-import org.thoughtcrime.securesms.logging.Log;
-import org.thoughtcrime.securesms.logging.PersistentLogger;
-import org.thoughtcrime.securesms.logging.SignalUncaughtExceptionHandler;
+import org.thoughtcrime.securesms.logging.LogSecretProvider;
 import org.thoughtcrime.securesms.migrations.ApplicationMigrations;
-import org.thoughtcrime.securesms.notifications.MessageNotifier;
 import org.thoughtcrime.securesms.notifications.NotificationChannels;
 import org.thoughtcrime.securesms.providers.BlobProvider;
 import org.thoughtcrime.securesms.push.SignalServiceNetworkAccess;
+import org.thoughtcrime.securesms.registration.RegistrationUtil;
 import org.thoughtcrime.securesms.revealable.ViewOnceMessageManager;
 import org.thoughtcrime.securesms.ringrtc.RingRtcLogger;
 import org.thoughtcrime.securesms.service.DirectoryRefreshListener;
 import org.thoughtcrime.securesms.service.ExpiringMessageManager;
-import org.thoughtcrime.securesms.service.IncomingMessageObserver;
 import org.thoughtcrime.securesms.service.KeyCachingService;
 import org.thoughtcrime.securesms.service.LocalBackupListener;
 import org.thoughtcrime.securesms.service.RotateSenderCertificateListener;
 import org.thoughtcrime.securesms.service.RotateSignedPreKeyListener;
 import org.thoughtcrime.securesms.service.UpdateApkRefreshListener;
+import org.thoughtcrime.securesms.shakereport.ShakeToReport;
 import org.thoughtcrime.securesms.storage.StorageSyncHelper;
+import org.thoughtcrime.securesms.util.AppStartup;
+import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.thoughtcrime.securesms.util.FeatureFlags;
+import org.thoughtcrime.securesms.util.SignalUncaughtExceptionHandler;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
-import org.thoughtcrime.securesms.util.concurrent.SignalExecutors;
+import org.thoughtcrime.securesms.util.Util;
+import org.thoughtcrime.securesms.util.VersionTracker;
 import org.thoughtcrime.securesms.util.dynamiclanguage.DynamicLanguageContextWrapper;
 import org.webrtc.voiceengine.WebRtcAudioManager;
 import org.webrtc.voiceengine.WebRtcAudioUtils;
@@ -91,12 +102,9 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
 
   private static final String TAG = ApplicationContext.class.getSimpleName();
 
-  private ExpiringMessageManager   expiringMessageManager;
-  private ViewOnceMessageManager   viewOnceMessageManager;
-  private TypingStatusRepository   typingStatusRepository;
-  private TypingStatusSender       typingStatusSender;
-  private IncomingMessageObserver  incomingMessageObserver;
-  private PersistentLogger         persistentLogger;
+  private ExpiringMessageManager expiringMessageManager;
+  private ViewOnceMessageManager viewOnceMessageManager;
+  private PersistentLogger       persistentLogger;
 
   private volatile boolean isAppVisible;
 
@@ -106,51 +114,81 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
 
   @Override
   public void onCreate() {
-    super.onCreate();
-    Log.i(TAG, "onCreate()");
-    initializeSecurityProvider();
-    initializeLogging();
-    initializeCrashHandling();
-    initializeAppDependencies();
-    initializeFirstEverAppLaunch();
-    initializeApplicationMigrations();
-    initializeMessageRetrieval();
-    initializeExpiringMessageManager();
-    initializeRevealableMessageManager();
-    initializeTypingStatusRepository();
-    initializeTypingStatusSender();
-    initializeGcmCheck();
-    initializeSignedPreKeyCheck();
-    initializePeriodicTasks();
-    initializeCircumvention();
-    initializeRingRtc();
-    initializePendingMessages();
-    initializeBlobProvider();
-    initializeCleanup();
+    Tracer.getInstance().start("Application#onCreate()");
+    AppStartup.getInstance().onApplicationCreate();
 
-    FeatureFlags.init();
-    NotificationChannels.create(this);
-    RefreshPreKeysJob.scheduleIfNecessary();
-    StorageSyncHelper.scheduleRoutineSync();
-    ProcessLifecycleOwner.get().getLifecycle().addObserver(this);
+    long startTime = System.currentTimeMillis();
 
-    if (Build.VERSION.SDK_INT < 21) {
-      AppCompatDelegate.setCompatVectorFromResourcesEnabled(true);
+    if (FeatureFlags.internalUser()) {
+      Tracer.getInstance().setMaxBufferSize(35_000);
     }
 
-    ApplicationDependencies.getJobManager().beginJobLoop();
+    super.onCreate();
+
+    AppStartup.getInstance().addBlocking("security-provider", this::initializeSecurityProvider)
+                            .addBlocking("logging", () -> {
+                                initializeLogging();
+                                Log.i(TAG, "onCreate()");
+                            })
+                            .addBlocking("crash-handling", this::initializeCrashHandling)
+                            .addBlocking("eat-db", () -> DatabaseFactory.getInstance(this))
+                            .addBlocking("app-dependencies", this::initializeAppDependencies)
+                            .addBlocking("first-launch", this::initializeFirstEverAppLaunch)
+                            .addBlocking("app-migrations", this::initializeApplicationMigrations)
+                            .addBlocking("ring-rtc", this::initializeRingRtc)
+                            .addBlocking("mark-registration", () -> RegistrationUtil.maybeMarkRegistrationComplete(this))
+                            .addBlocking("lifecycle-observer", () -> ProcessLifecycleOwner.get().getLifecycle().addObserver(this))
+                            .addBlocking("message-retriever", this::initializeMessageRetrieval)
+                            .addBlocking("dynamic-theme", () -> DynamicTheme.setDefaultDayNightMode(this))
+                            .addBlocking("vector-compat", () -> {
+                              if (Build.VERSION.SDK_INT < 21) {
+                                AppCompatDelegate.setCompatVectorFromResourcesEnabled(true);
+                              }
+                            })
+                            .addNonBlocking(this::initializeRevealableMessageManager)
+                            .addNonBlocking(this::initializeGcmCheck)
+                            .addNonBlocking(this::initializeSignedPreKeyCheck)
+                            .addNonBlocking(this::initializePeriodicTasks)
+                            .addNonBlocking(this::initializeCircumvention)
+                            .addNonBlocking(this::initializePendingMessages)
+                            .addNonBlocking(this::initializeCleanup)
+                            .addNonBlocking(this::initializeGlideCodecs)
+                            .addNonBlocking(FeatureFlags::init)
+                            .addNonBlocking(RefreshPreKeysJob::scheduleIfNecessary)
+                            .addNonBlocking(StorageSyncHelper::scheduleRoutineSync)
+                            .addNonBlocking(() -> ApplicationDependencies.getJobManager().beginJobLoop())
+                            .addPostRender(this::initializeExpiringMessageManager)
+                            .addPostRender(this::initializeBlobProvider)
+                            .addPostRender(() -> NotificationChannels.create(this))
+                            .execute();
+
+    ProcessLifecycleOwner.get().getLifecycle().addObserver(this);
+
+    Log.d(TAG, "onCreate() took " + (System.currentTimeMillis() - startTime) + " ms");
+    Tracer.getInstance().end("Application#onCreate()");
   }
 
   @Override
   public void onStart(@NonNull LifecycleOwner owner) {
+    long startTime = System.currentTimeMillis();
     isAppVisible = true;
     Log.i(TAG, "App is now visible.");
-    FeatureFlags.refreshIfNecessary();
-    ApplicationDependencies.getRecipientCache().warmUp();
-    executePendingContactSync();
-    KeyCachingService.onAppForegrounded(this);
+
     ApplicationDependencies.getFrameRateTracker().begin();
     ApplicationDependencies.getMegaphoneRepository().onAppForegrounded();
+
+    SignalExecutors.BOUNDED.execute(() -> {
+      FeatureFlags.refreshIfNecessary();
+      ApplicationDependencies.getRecipientCache().warmUp();
+      RetrieveProfileJob.enqueueRoutineFetchIfNecessary(this);
+      GroupV1MigrationJob.enqueueRoutineMigrationsIfNecessary(this);
+      executePendingContactSync();
+      KeyCachingService.onAppForegrounded(this);
+      ApplicationDependencies.getShakeToReport().enable();
+      checkBuildExpiration();
+    });
+
+    Log.d(TAG, "onStart() took " + (System.currentTimeMillis() - startTime) + " ms");
   }
 
   @Override
@@ -158,11 +196,15 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
     isAppVisible = false;
     Log.i(TAG, "App is no longer visible.");
     KeyCachingService.onAppBackgrounded(this);
-    MessageNotifier.setVisibleThread(-1);
+    ApplicationDependencies.getMessageNotifier().clearVisibleThread();
     ApplicationDependencies.getFrameRateTracker().end();
+    ApplicationDependencies.getShakeToReport().disable();
   }
 
   public ExpiringMessageManager getExpiringMessageManager() {
+    if (expiringMessageManager == null) {
+      initializeExpiringMessageManager();
+    }
     return expiringMessageManager;
   }
 
@@ -170,14 +212,6 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
     return viewOnceMessageManager;
   }
 
-  public TypingStatusRepository getTypingStatusRepository() {
-    return typingStatusRepository;
-  }
-
-  public TypingStatusSender getTypingStatusSender() {
-    return typingStatusSender;
-  }
-
   public boolean isAppVisible() {
     return isAppVisible;
   }
@@ -186,6 +220,13 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
     return persistentLogger;
   }
 
+  public void checkBuildExpiration() {
+    if (Util.getTimeUntilBuildExpiry() <= 0 && !SignalStore.misc().isClientDeprecated()) {
+      Log.w(TAG, "Build expired!");
+      SignalStore.misc().markClientDeprecated();
+    }
+  }
+
   private void initializeSecurityProvider() {
     try {
       Class.forName("org.signal.aesgcmprovider.AesGcmCipher");
@@ -211,8 +252,8 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
   }
 
   private void initializeLogging() {
-    persistentLogger = new PersistentLogger(this);
-    org.thoughtcrime.securesms.logging.Log.initialize(new AndroidLogger(), persistentLogger);
+    persistentLogger = new PersistentLogger(this, LogSecretProvider.getOrCreateAttachmentSecret(this), BuildConfig.VERSION_NAME);
+    org.signal.core.util.logging.Log.initialize(new AndroidLogger(), persistentLogger);
 
     SignalProtocolLoggerProvider.setProvider(new CustomSignalProtocolLogger());
   }
@@ -227,7 +268,7 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
   }
 
   public void initializeMessageRetrieval() {
-    this.incomingMessageObserver = new IncomingMessageObserver(this);
+    ApplicationDependencies.getIncomingMessageObserver();
   }
 
   private void initializeAppDependencies() {
@@ -236,13 +277,16 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
 
   private void initializeFirstEverAppLaunch() {
     if (TextSecurePreferences.getFirstInstallVersion(this) == -1) {
-      if (!SQLCipherOpenHelper.databaseFileExists(this)) {
+      if (!SQLCipherOpenHelper.databaseFileExists(this) || VersionTracker.getDaysSinceFirstInstalled(this) < 365) {
         Log.i(TAG, "First ever app launch!");
         AppInitialization.onFirstEverAppLaunch(this);
       }
 
       Log.i(TAG, "Setting first install version to " + BuildConfig.CANONICAL_VERSION_CODE);
       TextSecurePreferences.setFirstInstallVersion(this, BuildConfig.CANONICAL_VERSION_CODE);
+    } else if (!TextSecurePreferences.isPasswordDisabled(this) && VersionTracker.getDaysSinceFirstInstalled(this) < 90) {
+      Log.i(TAG, "Detected a new install that doesn't have passphrases disabled -- assuming bad initialization.");
+      AppInitialization.onRepairFirstEverAppLaunch(this);
     }
   }
 
@@ -270,14 +314,6 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
     this.viewOnceMessageManager = new ViewOnceMessageManager(this);
   }
 
-  private void initializeTypingStatusRepository() {
-    this.typingStatusRepository = new TypingStatusRepository();
-  }
-
-  private void initializeTypingStatusSender() {
-    this.typingStatusSender = new TypingStatusSender(this);
-  }
-
   private void initializePeriodicTasks() {
     RotateSignedPreKeyListener.schedule(this);
     DirectoryRefreshListener.schedule(this);
@@ -325,23 +361,15 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
     }
   }
 
-  @SuppressLint("StaticFieldLeak")
+  @WorkerThread
   private void initializeCircumvention() {
-    AsyncTask<Void, Void, Void> task = new AsyncTask<Void, Void, Void>() {
-      @Override
-      protected Void doInBackground(Void... params) {
-        if (new SignalServiceNetworkAccess(ApplicationContext.this).isCensored(ApplicationContext.this)) {
-          try {
-            ProviderInstaller.installIfNeeded(ApplicationContext.this);
-          } catch (Throwable t) {
-            Log.w(TAG, t);
-          }
-        }
-        return null;
+    if (new SignalServiceNetworkAccess(ApplicationContext.this).isCensored(ApplicationContext.this)) {
+      try {
+        ProviderInstaller.installIfNeeded(ApplicationContext.this);
+      } catch (Throwable t) {
+        Log.w(TAG, t);
       }
-    };
-
-    task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+    }
   }
 
   private void executePendingContactSync() {
@@ -362,22 +390,50 @@ public class ApplicationContext extends MultiDexApplication implements DefaultLi
     }
   }
 
+  @WorkerThread
   private void initializeBlobProvider() {
-    SignalExecutors.BOUNDED.execute(() -> {
-      BlobProvider.getInstance().onSessionStart(this);
-    });
+    BlobProvider.getInstance().onSessionStart(this);
   }
 
+  @WorkerThread
   private void initializeCleanup() {
-    SignalExecutors.BOUNDED.execute(() -> {
-      int deleted = DatabaseFactory.getAttachmentDatabase(this).deleteAbandonedPreuploadedAttachments();
-      Log.i(TAG, "Deleted " + deleted + " abandoned attachments.");
+    int deleted = DatabaseFactory.getAttachmentDatabase(this).deleteAbandonedPreuploadedAttachments();
+    Log.i(TAG, "Deleted " + deleted + " abandoned attachments.");
+  }
+
+  private void initializeGlideCodecs() {
+    SignalGlideCodecs.setLogProvider(new org.signal.glide.Log.Provider() {
+      @Override
+      public void v(@NonNull String tag, @NonNull String message) {
+        Log.v(tag, message);
+      }
+
+      @Override
+      public void d(@NonNull String tag, @NonNull String message) {
+        Log.d(tag, message);
+      }
+
+      @Override
+      public void i(@NonNull String tag, @NonNull String message) {
+        Log.i(tag, message);
+      }
+
+      @Override
+      public void w(@NonNull String tag, @NonNull String message) {
+        Log.w(tag, message);
+      }
+
+      @Override
+      public void e(@NonNull String tag, @NonNull String message, @Nullable Throwable throwable) {
+        Log.e(tag, message, throwable);
+      }
     });
   }
 
   @Override
   protected void attachBaseContext(Context base) {
-    super.attachBaseContext(DynamicLanguageContextWrapper.updateContext(base, TextSecurePreferences.getLanguage(base)));
+    DynamicLanguageContextWrapper.updateContext(base);
+    super.attachBaseContext(base);
   }
 
   private static class ProviderInitializationException extends RuntimeException {

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

@@ -17,34 +17,43 @@
  */
 package org.thoughtcrime.securesms;
 
+import android.app.AlertDialog;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.PorterDuff;
 import android.os.Build;
 import android.os.Bundle;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentTransaction;
 import androidx.preference.Preference;
 
 import org.thoughtcrime.securesms.help.HelpFragment;
+import org.thoughtcrime.securesms.keyvalue.SignalStore;
 import org.thoughtcrime.securesms.preferences.AdvancedPreferenceFragment;
 import org.thoughtcrime.securesms.preferences.AppProtectionPreferenceFragment;
 import org.thoughtcrime.securesms.preferences.AppearancePreferenceFragment;
+import org.thoughtcrime.securesms.preferences.BackupsPreferenceFragment;
 import org.thoughtcrime.securesms.preferences.ChatsPreferenceFragment;
 import org.thoughtcrime.securesms.preferences.CorrectedPreferenceFragment;
+import org.thoughtcrime.securesms.preferences.DataAndStoragePreferenceFragment;
 import org.thoughtcrime.securesms.preferences.NotificationsPreferenceFragment;
 import org.thoughtcrime.securesms.preferences.SmsMmsPreferenceFragment;
-import org.thoughtcrime.securesms.preferences.StoragePreferenceFragment;
 import org.thoughtcrime.securesms.preferences.widgets.ProfilePreference;
+import org.thoughtcrime.securesms.preferences.widgets.UsernamePreference;
 import org.thoughtcrime.securesms.profiles.edit.EditProfileActivity;
+import org.thoughtcrime.securesms.profiles.manage.ManageProfileActivity;
+import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.service.KeyCachingService;
+import org.thoughtcrime.securesms.util.CachedInflater;
+import org.thoughtcrime.securesms.util.CommunicationActions;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.DynamicTheme;
+import org.thoughtcrime.securesms.util.FeatureFlags;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
-import org.thoughtcrime.securesms.util.ThemeUtil;
 
 /**
  * The Activity for application preference display and management.
@@ -53,13 +62,17 @@ import org.thoughtcrime.securesms.util.ThemeUtil;
  *
  */
 
-public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarActivity
+public class ApplicationPreferencesActivity extends PassphraseRequiredActivity
     implements SharedPreferences.OnSharedPreferenceChangeListener
 {
+  public static final String LAUNCH_TO_BACKUPS_FRAGMENT = "launch.to.backups.fragment";
+  public static final String LAUNCH_TO_HELP_FRAGMENT    = "launch.to.help.fragment";
+
   @SuppressWarnings("unused")
   private static final String TAG = ApplicationPreferencesActivity.class.getSimpleName();
 
   private static final String PREFERENCE_CATEGORY_PROFILE        = "preference_category_profile";
+  private static final String PREFERENCE_CATEGORY_USERNAME       = "preference_category_username";
   private static final String PREFERENCE_CATEGORY_SMS_MMS        = "preference_category_sms_mms";
   private static final String PREFERENCE_CATEGORY_NOTIFICATIONS  = "preference_category_notifications";
   private static final String PREFERENCE_CATEGORY_APP_PROTECTION = "preference_category_app_protection";
@@ -69,10 +82,15 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
   private static final String PREFERENCE_CATEGORY_DEVICES        = "preference_category_devices";
   private static final String PREFERENCE_CATEGORY_HELP           = "preference_category_help";
   private static final String PREFERENCE_CATEGORY_ADVANCED       = "preference_category_advanced";
+  private static final String PREFERENCE_CATEGORY_DONATE         = "preference_category_donate";
+
+  private static final String WAS_CONFIGURATION_UPDATED          = "was_configuration_updated";
 
   private final DynamicTheme    dynamicTheme    = new DynamicTheme();
   private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
 
+  private boolean wasConfigurationUpdated = false;
+
   @Override
   protected void onPreCreate() {
     dynamicTheme.onCreate(this);
@@ -86,11 +104,23 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
 
     if (getIntent() != null && getIntent().getCategories() != null && getIntent().getCategories().contains("android.intent.category.NOTIFICATION_PREFERENCES")) {
       initFragment(android.R.id.content, new NotificationsPreferenceFragment());
+    } else if (getIntent() != null && getIntent().getBooleanExtra(LAUNCH_TO_BACKUPS_FRAGMENT, false)) {
+      initFragment(android.R.id.content, new BackupsPreferenceFragment());
+    } else if (getIntent() != null && getIntent().getBooleanExtra(LAUNCH_TO_HELP_FRAGMENT, false)) {
+      initFragment(android.R.id.content, new HelpFragment());
     } else if (icicle == null) {
       initFragment(android.R.id.content, new ApplicationPreferenceFragment());
+    } else {
+      wasConfigurationUpdated = icicle.getBoolean(WAS_CONFIGURATION_UPDATED);
     }
   }
 
+  @Override
+  protected void onSaveInstanceState(@NonNull Bundle outState) {
+    outState.putBoolean(WAS_CONFIGURATION_UPDATED, wasConfigurationUpdated);
+    super.onSaveInstanceState(outState);
+  }
+
   @Override
   public void onResume() {
     super.onResume();
@@ -112,20 +142,29 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
     if (fragmentManager.getBackStackEntryCount() > 0) {
       fragmentManager.popBackStack();
     } else {
-      // TODO [greyson] Navigation
-      Intent intent = new Intent(this, MainActivity.class);
-      intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
-      startActivity(intent);
+      if (wasConfigurationUpdated) {
+        setResult(MainActivity.RESULT_CONFIG_CHANGED);
+      } else {
+        setResult(RESULT_OK);
+      }
       finish();
     }
     return true;
   }
 
+  @Override
+  public void onBackPressed() {
+    onSupportNavigateUp();
+  }
+
   @Override
   public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
     if (key.equals(TextSecurePreferences.THEME_PREF)) {
+      DynamicTheme.setDefaultDayNightMode(this);
       recreate();
     } else if (key.equals(TextSecurePreferences.LANGUAGE_PREF)) {
+      CachedInflater.from(this).clear();
+      wasConfigurationUpdated = true;
       recreate();
 
       Intent intent = new Intent(this, KeyCachingService.class);
@@ -134,6 +173,14 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
     }
   }
 
+  public void pushFragment(@NonNull Fragment fragment) {
+    getSupportFragmentManager().beginTransaction()
+                               .setCustomAnimations(R.anim.slide_from_end, R.anim.slide_to_start, R.anim.slide_from_start, R.anim.slide_to_end)
+                               .replace(android.R.id.content, fragment)
+                               .addToBackStack(null)
+                               .commit();
+  }
+
   public static class ApplicationPreferenceFragment extends CorrectedPreferenceFragment {
 
     @Override
@@ -142,6 +189,8 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
 
       this.findPreference(PREFERENCE_CATEGORY_PROFILE)
           .setOnPreferenceClickListener(new ProfileClickListener());
+      this.findPreference(PREFERENCE_CATEGORY_USERNAME)
+          .setOnPreferenceClickListener(new UsernameClickListener());
       this.findPreference(PREFERENCE_CATEGORY_SMS_MMS)
         .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_SMS_MMS));
       this.findPreference(PREFERENCE_CATEGORY_NOTIFICATIONS)
@@ -159,7 +208,9 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
       this.findPreference(PREFERENCE_CATEGORY_HELP)
           .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_HELP));
       this.findPreference(PREFERENCE_CATEGORY_ADVANCED)
-        .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_ADVANCED));
+          .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_ADVANCED));
+      this.findPreference(PREFERENCE_CATEGORY_DONATE)
+          .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_DONATE));
 
       tintIcons();
     }
@@ -168,12 +219,30 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
       if (Build.VERSION.SDK_INT >= 21) return;
 
       Preference preference = this.findPreference(PREFERENCE_CATEGORY_SMS_MMS);
-      preference.getIcon().setColorFilter(ThemeUtil.getThemedColor(requireContext(), R.attr.icon_tint), PorterDuff.Mode.SRC_IN);
+      preference.getIcon().setColorFilter(ContextCompat.getColor(requireContext(), R.color.signal_icon_tint_primary), PorterDuff.Mode.SRC_IN);
     }
 
     @Override
     public void onCreatePreferences(@Nullable Bundle savedInstanceState, String rootKey) {
       addPreferencesFromResource(R.xml.preferences);
+
+      if (FeatureFlags.usernames()) {
+        UsernamePreference pref = (UsernamePreference) findPreference(PREFERENCE_CATEGORY_USERNAME);
+        pref.setVisible(shouldDisplayUsernameReminder());
+        pref.setOnLongClickListener(v -> {
+          new AlertDialog.Builder(requireContext())
+                         .setMessage(R.string.ApplicationPreferencesActivity_hide_reminder)
+                         .setPositiveButton(R.string.ApplicationPreferencesActivity_hide, (dialog, which) -> {
+                           dialog.dismiss();
+                           SignalStore.misc().hideUsernameReminder();
+                             findPreference(PREFERENCE_CATEGORY_USERNAME).setVisible(false);
+                         })
+                         .setNegativeButton(android.R.string.cancel, ((dialog, which) -> dialog.dismiss()))
+                         .setCancelable(true)
+                         .show();
+          return true;
+        });
+      }
     }
 
     @Override
@@ -188,6 +257,11 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
     private void setCategorySummaries() {
       ((ProfilePreference)this.findPreference(PREFERENCE_CATEGORY_PROFILE)).refresh();
 
+      if (FeatureFlags.usernames()) {
+        this.findPreference(PREFERENCE_CATEGORY_USERNAME)
+            .setVisible(shouldDisplayUsernameReminder());
+      }
+
       this.findPreference(PREFERENCE_CATEGORY_SMS_MMS)
           .setSummary(SmsMmsPreferenceFragment.getSummary(getActivity()));
       this.findPreference(PREFERENCE_CATEGORY_NOTIFICATIONS)
@@ -207,6 +281,10 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
       }
     }
 
+    private static boolean shouldDisplayUsernameReminder() {
+      return FeatureFlags.usernames() && !Recipient.self().getUsername().isPresent() && SignalStore.misc().shouldShowUsernameReminder();
+    }
+
     private class CategoryClickListener implements Preference.OnPreferenceClickListener {
       private String category;
 
@@ -235,7 +313,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
           fragment = new ChatsPreferenceFragment();
           break;
         case PREFERENCE_CATEGORY_STORAGE:
-          fragment = new StoragePreferenceFragment();
+          fragment = new DataAndStoragePreferenceFragment();
           break;
         case PREFERENCE_CATEGORY_DEVICES:
           Intent intent = new Intent(getActivity(), DeviceActivity.class);
@@ -247,6 +325,9 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
         case PREFERENCE_CATEGORY_HELP:
           fragment = new HelpFragment();
           break;
+        case PREFERENCE_CATEGORY_DONATE:
+          CommunicationActions.openBrowserLink(requireContext(), getString(R.string.donate_url));
+          break;
         default:
           throw new AssertionError();
         }
@@ -255,14 +336,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
           Bundle args = new Bundle();
           fragment.setArguments(args);
 
-          FragmentManager     fragmentManager     = getActivity().getSupportFragmentManager();
-          FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
-
-          fragmentTransaction.setCustomAnimations(R.anim.slide_from_end, R.anim.slide_to_start, R.anim.slide_from_start, R.anim.slide_to_end);
-
-          fragmentTransaction.replace(android.R.id.content, fragment);
-          fragmentTransaction.addToBackStack(null);
-          fragmentTransaction.commit();
+          ((ApplicationPreferencesActivity) requireActivity()).pushFragment(fragment);
         }
 
         return true;
@@ -272,12 +346,15 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
     private class ProfileClickListener implements Preference.OnPreferenceClickListener {
       @Override
       public boolean onPreferenceClick(Preference preference) {
-        Intent intent = new Intent(preference.getContext(), EditProfileActivity.class);
-        intent.putExtra(EditProfileActivity.EXCLUDE_SYSTEM, true);
-        intent.putExtra(EditProfileActivity.DISPLAY_USERNAME, true);
-        intent.putExtra(EditProfileActivity.NEXT_BUTTON_TEXT, R.string.save);
+        requireActivity().startActivity(ManageProfileActivity.getIntent(requireActivity()));
+        return true;
+      }
+    }
 
-        requireActivity().startActivity(intent);
+    private class UsernameClickListener implements Preference.OnPreferenceClickListener {
+      @Override
+      public boolean onPreferenceClick(Preference preference) {
+        requireActivity().startActivity(ManageProfileActivity.getIntentForUsernameEdit(preference.getContext()));
         return true;
       }
     }

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

@@ -0,0 +1,142 @@
+package org.thoughtcrime.securesms;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
+import android.os.Bundle;
+import android.transition.TransitionInflater;
+import android.view.View;
+import android.widget.ImageView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.app.ActivityOptionsCompat;
+import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory;
+
+import com.bumptech.glide.load.DataSource;
+import com.bumptech.glide.load.engine.DiskCacheStrategy;
+import com.bumptech.glide.load.engine.GlideException;
+import com.bumptech.glide.request.RequestListener;
+import com.bumptech.glide.request.target.CustomTarget;
+import com.bumptech.glide.request.target.Target;
+import com.bumptech.glide.request.transition.Transition;
+
+import org.signal.core.util.logging.Log;
+import org.thoughtcrime.securesms.contacts.avatars.ContactPhoto;
+import org.thoughtcrime.securesms.contacts.avatars.FallbackContactPhoto;
+import org.thoughtcrime.securesms.contacts.avatars.ProfileContactPhoto;
+import org.thoughtcrime.securesms.contacts.avatars.ResourceContactPhoto;
+import org.thoughtcrime.securesms.mms.GlideApp;
+import org.thoughtcrime.securesms.recipients.Recipient;
+import org.thoughtcrime.securesms.recipients.RecipientId;
+import org.thoughtcrime.securesms.util.FullscreenHelper;
+
+/**
+ * Activity for displaying avatars full screen.
+ */
+public final class AvatarPreviewActivity extends PassphraseRequiredActivity {
+
+  private static final String TAG = Log.tag(AvatarPreviewActivity.class);
+
+  private static final String RECIPIENT_ID_EXTRA = "recipient_id";
+
+  public static @NonNull Intent intentFromRecipientId(@NonNull Context context,
+                                                      @NonNull RecipientId recipientId)
+  {
+    Intent intent = new Intent(context, AvatarPreviewActivity.class);
+    intent.putExtra(RECIPIENT_ID_EXTRA, recipientId.serialize());
+    return intent;
+  }
+
+  public static Bundle createTransitionBundle(@NonNull Activity activity, @NonNull View from) {
+    return ActivityOptionsCompat.makeSceneTransitionAnimation(activity, from, "avatar").toBundle();
+  }
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState, boolean ready) {
+    super.onCreate(savedInstanceState, ready);
+
+    setTheme(R.style.TextSecure_MediaPreview);
+    setContentView(R.layout.contact_photo_preview_activity);
+
+    if (Build.VERSION.SDK_INT >= 21) {
+      postponeEnterTransition();
+      TransitionInflater inflater = TransitionInflater.from(this);
+      getWindow().setSharedElementEnterTransition(inflater.inflateTransition(R.transition.full_screen_avatar_image_enter_transition_set));
+      getWindow().setSharedElementReturnTransition(inflater.inflateTransition(R.transition.full_screen_avatar_image_return_transition_set));
+    }
+
+    Toolbar   toolbar = findViewById(R.id.toolbar);
+    ImageView avatar  = findViewById(R.id.avatar);
+
+    setSupportActionBar(toolbar);
+
+    requireSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
+    Context     context     = getApplicationContext();
+    RecipientId recipientId = RecipientId.from(getIntent().getStringExtra(RECIPIENT_ID_EXTRA));
+
+    Recipient.live(recipientId).observe(this, recipient -> {
+      ContactPhoto contactPhoto  = recipient.isSelf() ? new ProfileContactPhoto(recipient, recipient.getProfileAvatar())
+                                                      : recipient.getContactPhoto();
+      FallbackContactPhoto fallbackPhoto = recipient.isSelf() ? new ResourceContactPhoto(R.drawable.ic_profile_outline_40, R.drawable.ic_profile_outline_20, R.drawable.ic_person_large)
+                                                              : recipient.getFallbackContactPhoto();
+
+      Resources resources = this.getResources();
+
+      GlideApp.with(this)
+              .asBitmap()
+              .load(contactPhoto)
+              .fallback(fallbackPhoto.asCallCard(this))
+              .error(fallbackPhoto.asCallCard(this))
+              .diskCacheStrategy(DiskCacheStrategy.ALL)
+              .addListener(new RequestListener<Bitmap>() {
+                @Override
+                public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<Bitmap> target, boolean isFirstResource) {
+                  Log.w(TAG, "Unable to load avatar, or avatar removed, closing");
+                  finish();
+                  return false;
+                }
+
+                @Override
+                public boolean onResourceReady(Bitmap resource, Object model, Target<Bitmap> target, DataSource dataSource, boolean isFirstResource) {
+                  return false;
+                }
+              })
+              .into(new CustomTarget<Bitmap>() {
+                @Override
+                public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
+                  avatar.setImageDrawable(RoundedBitmapDrawableFactory.create(resources, resource));
+                  if (Build.VERSION.SDK_INT >= 21) {
+                    startPostponedEnterTransition();
+                  }
+                }
+
+                @Override
+                public void onLoadCleared(@Nullable Drawable placeholder) {
+                }
+              });
+
+      toolbar.setTitle(recipient.getDisplayName(context));
+    });
+
+    FullscreenHelper fullscreenHelper = new FullscreenHelper(this);
+
+    findViewById(android.R.id.content).setOnClickListener(v -> fullscreenHelper.toggleUiVisibility());
+
+    fullscreenHelper.configureToolbarSpacer(findViewById(R.id.toolbar_cutout_spacer));
+
+    fullscreenHelper.showAndHideWithSystemUI(getWindow(), findViewById(R.id.toolbar_layout));
+  }
+
+  @Override
+  public boolean onSupportNavigateUp() {
+    onBackPressed();
+    return true;
+  }
+}

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

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

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

@@ -1,46 +1,116 @@
 package org.thoughtcrime.securesms;
 
 import android.content.Context;
-import android.os.Build;
-import android.os.Build.VERSION;
-import android.os.Build.VERSION_CODES;
-import androidx.annotation.NonNull;
-import androidx.fragment.app.FragmentActivity;
-import android.view.KeyEvent;
+import android.content.Intent;
+import android.content.res.Configuration;
+import android.os.Bundle;
+import android.view.View;
+import android.view.WindowManager;
 
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatDelegate;
+import androidx.core.app.ActivityCompat;
+import androidx.core.app.ActivityOptionsCompat;
+
+import org.signal.core.util.logging.Log;
+import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
+import org.thoughtcrime.securesms.util.AppStartup;
+import org.thoughtcrime.securesms.util.ConfigurationUtil;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
-import org.thoughtcrime.securesms.util.dynamiclanguage.DynamicLanguageActivityHelper;
 import org.thoughtcrime.securesms.util.dynamiclanguage.DynamicLanguageContextWrapper;
 
-public abstract class BaseActivity extends FragmentActivity {
-  @Override
-  public boolean onKeyDown(int keyCode, KeyEvent event) {
-    return (keyCode == KeyEvent.KEYCODE_MENU && isMenuWorkaroundRequired()) || super.onKeyDown(keyCode, event);
-  }
+import java.util.Objects;
+
+/**
+ * Base class for all activities. The vast majority of activities shouldn't extend this directly.
+ * Instead, they should extend {@link PassphraseRequiredActivity} so they're protected by
+ * screen lock.
+ */
+public abstract class BaseActivity extends AppCompatActivity {
+  private static final String TAG = Log.tag(BaseActivity.class);
 
   @Override
-  public boolean onKeyUp(int keyCode, @NonNull KeyEvent event) {
-    if (keyCode == KeyEvent.KEYCODE_MENU && isMenuWorkaroundRequired()) {
-      openOptionsMenu();
-      return true;
-    }
-    return super.onKeyUp(keyCode, event);
-  }
-
-  public static boolean isMenuWorkaroundRequired() {
-    return VERSION.SDK_INT < VERSION_CODES.KITKAT          &&
-           VERSION.SDK_INT > VERSION_CODES.GINGERBREAD_MR1 &&
-           ("LGE".equalsIgnoreCase(Build.MANUFACTURER) || "E6710".equalsIgnoreCase(Build.DEVICE));
+  protected void onCreate(Bundle savedInstanceState) {
+    AppStartup.getInstance().onCriticalRenderEventStart();
+    logEvent("onCreate()");
+    super.onCreate(savedInstanceState);
+    AppStartup.getInstance().onCriticalRenderEventEnd();
   }
 
   @Override
   protected void onResume() {
     super.onResume();
-    DynamicLanguageActivityHelper.recreateIfNotInCorrectLanguage(this, TextSecurePreferences.getLanguage(this));
+    initializeScreenshotSecurity();
   }
 
   @Override
-  protected void attachBaseContext(Context newBase) {
-    super.attachBaseContext(DynamicLanguageContextWrapper.updateContext(newBase, TextSecurePreferences.getLanguage(newBase)));
+  protected void onStart() {
+    logEvent("onStart()");
+    ApplicationDependencies.getShakeToReport().registerActivity(this);
+    super.onStart();
+  }
+
+  @Override
+  protected void onStop() {
+    logEvent("onStop()");
+    super.onStop();
+  }
+
+  @Override
+  protected void onDestroy() {
+    logEvent("onDestroy()");
+    super.onDestroy();
+  }
+
+  private void initializeScreenshotSecurity() {
+    if (TextSecurePreferences.isScreenSecurityEnabled(this)) {
+      getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+    } else {
+      getWindow().clearFlags(WindowManager.LayoutParams.FLAG_SECURE);
+    }
+  }
+
+  protected void startActivitySceneTransition(Intent intent, View sharedView, String transitionName) {
+    Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(this, sharedView, transitionName)
+                                         .toBundle();
+    ActivityCompat.startActivity(this, intent, bundle);
+  }
+
+  @Override
+  protected void attachBaseContext(@NonNull Context newBase) {
+    super.attachBaseContext(newBase);
+
+    Configuration configuration      = new Configuration(newBase.getResources().getConfiguration());
+    int           appCompatNightMode = getDelegate().getLocalNightMode() != AppCompatDelegate.MODE_NIGHT_UNSPECIFIED ? getDelegate().getLocalNightMode()
+                                                                                                                     : AppCompatDelegate.getDefaultNightMode();
+
+    configuration.uiMode = (configuration.uiMode & ~Configuration.UI_MODE_NIGHT_MASK) | mapNightModeToConfigurationUiMode(newBase, appCompatNightMode);
+
+    applyOverrideConfiguration(configuration);
+  }
+
+  @Override
+  public void applyOverrideConfiguration(@NonNull Configuration overrideConfiguration) {
+    DynamicLanguageContextWrapper.prepareOverrideConfiguration(this, overrideConfiguration);
+    super.applyOverrideConfiguration(overrideConfiguration);
+  }
+
+  private void logEvent(@NonNull String event) {
+    Log.d(TAG, "[" + Log.tag(getClass()) + "] " + event);
+  }
+
+  public final @NonNull ActionBar requireSupportActionBar() {
+    return Objects.requireNonNull(getSupportActionBar());
+  }
+
+  private static int mapNightModeToConfigurationUiMode(@NonNull Context context, @AppCompatDelegate.NightMode int appCompatNightMode) {
+    if (appCompatNightMode == AppCompatDelegate.MODE_NIGHT_YES) {
+      return Configuration.UI_MODE_NIGHT_YES;
+    } else if (appCompatNightMode == AppCompatDelegate.MODE_NIGHT_NO) {
+      return Configuration.UI_MODE_NIGHT_NO;
+    }
+    return ConfigurationUtil.getNightModeConfiguration(context.getApplicationContext());
   }
 }

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

@@ -1,13 +1,20 @@
 package org.thoughtcrime.securesms;
 
+import android.net.Uri;
+import android.view.View;
+
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import android.view.View;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.Observer;
 
+import org.thoughtcrime.securesms.components.voice.VoiceNotePlaybackState;
 import org.thoughtcrime.securesms.contactshare.Contact;
+import org.thoughtcrime.securesms.conversation.ConversationMessage;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord;
-import org.thoughtcrime.securesms.database.model.ReactionRecord;
+import org.thoughtcrime.securesms.groups.GroupId;
+import org.thoughtcrime.securesms.groups.GroupMigrationMembershipChange;
 import org.thoughtcrime.securesms.linkpreview.LinkPreview;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.recipients.Recipient;
@@ -20,17 +27,19 @@ import java.util.Locale;
 import java.util.Set;
 
 public interface BindableConversationItem extends Unbindable {
-  void bind(@NonNull MessageRecord           messageRecord,
+  void bind(@NonNull LifecycleOwner lifecycleOwner,
+            @NonNull ConversationMessage messageRecord,
             @NonNull Optional<MessageRecord> previousMessageRecord,
             @NonNull Optional<MessageRecord> nextMessageRecord,
-            @NonNull GlideRequests           glideRequests,
-            @NonNull Locale                  locale,
-            @NonNull Set<MessageRecord>      batchSelected,
-            @NonNull Recipient               recipients,
-            @Nullable String                 searchQuery,
-                     boolean                 pulseHighlight);
+            @NonNull GlideRequests glideRequests,
+            @NonNull Locale locale,
+            @NonNull Set<ConversationMessage> batchSelected,
+            @NonNull Recipient recipients,
+            @Nullable String searchQuery,
+            boolean pulseMention,
+            boolean hasWallpaper);
 
-  MessageRecord getMessageRecord();
+  ConversationMessage getConversationMessage();
 
   void setEventListener(@Nullable EventListener listener);
 
@@ -44,6 +53,21 @@ public interface BindableConversationItem extends Unbindable {
     void onAddToContactsClicked(@NonNull Contact contact);
     void onMessageSharedContactClicked(@NonNull List<Recipient> choices);
     void onInviteSharedContactClicked(@NonNull List<Recipient> choices);
-    void onReactionClicked(long messageId, boolean isMms);
+    void onReactionClicked(@NonNull View reactionTarget, long messageId, boolean isMms);
+    void onGroupMemberClicked(@NonNull RecipientId recipientId, @NonNull GroupId groupId);
+    void onMessageWithErrorClicked(@NonNull MessageRecord messageRecord);
+    void onRegisterVoiceNoteCallbacks(@NonNull Observer<VoiceNotePlaybackState> onPlaybackStartObserver);
+    void onUnregisterVoiceNoteCallbacks(@NonNull Observer<VoiceNotePlaybackState> onPlaybackStartObserver);
+    void onVoiceNotePause(@NonNull Uri uri);
+    void onVoiceNotePlay(@NonNull Uri uri, long messageId, double position);
+    void onVoiceNoteSeekTo(@NonNull Uri uri, double position);
+    void onGroupMigrationLearnMoreClicked(@NonNull GroupMigrationMembershipChange membershipChange);
+    void onDecryptionFailedLearnMoreClicked();
+    void onSafetyNumberLearnMoreClicked(@NonNull Recipient recipient);
+    void onJoinGroupCallClicked();
+    void onInviteFriendsToGroupClicked(@NonNull GroupId.V2 groupId);
+
+    /** @return true if handled, false if you want to let the normal url handling continue */
+    boolean onUrlClicked(@NonNull String url);
   }
 }

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

@@ -10,8 +10,11 @@ import java.util.Set;
 
 public interface BindableConversationListItem extends Unbindable {
 
-  public void bind(@NonNull ThreadRecord thread,
-                   @NonNull GlideRequests glideRequests, @NonNull Locale locale,
-                   @NonNull Set<Long> typingThreads,
-                   @NonNull Set<Long> selectedThreads, boolean batchMode);
+  void bind(@NonNull ThreadRecord thread,
+            @NonNull GlideRequests glideRequests, @NonNull Locale locale,
+            @NonNull Set<Long> typingThreads,
+            @NonNull Set<Long> selectedThreads, boolean batchMode);
+
+  void setBatchMode(boolean batchMode);
+  void updateTypingIndicator(@NonNull Set<Long> typingThreads);
 }

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

@@ -0,0 +1,125 @@
+package org.thoughtcrime.securesms;
+
+import android.content.Context;
+import android.content.res.Resources;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.WorkerThread;
+import androidx.appcompat.app.AlertDialog;
+import androidx.lifecycle.Lifecycle;
+
+import org.thoughtcrime.securesms.database.DatabaseFactory;
+import org.thoughtcrime.securesms.recipients.Recipient;
+import org.thoughtcrime.securesms.util.concurrent.SimpleTask;
+
+/**
+ * This should be used whenever we want to prompt the user to block/unblock a recipient.
+ */
+public final class BlockUnblockDialog {
+
+  private BlockUnblockDialog() { }
+
+  public static void showBlockFor(@NonNull Context context,
+                                  @NonNull Lifecycle lifecycle,
+                                  @NonNull Recipient recipient,
+                                  @NonNull Runnable onBlock)
+  {
+    SimpleTask.run(lifecycle,
+                   () -> buildBlockFor(context, recipient, onBlock, null),
+                   AlertDialog.Builder::show);
+  }
+
+  public static void showBlockAndDeleteFor(@NonNull Context context,
+                                           @NonNull Lifecycle lifecycle,
+                                           @NonNull Recipient recipient,
+                                           @NonNull Runnable onBlock,
+                                           @NonNull Runnable onBlockAndDelete)
+  {
+    SimpleTask.run(lifecycle,
+        () -> buildBlockFor(context, recipient, onBlock, onBlockAndDelete),
+        AlertDialog.Builder::show);
+  }
+
+  public static void showUnblockFor(@NonNull Context context,
+                                    @NonNull Lifecycle lifecycle,
+                                    @NonNull Recipient recipient,
+                                    @NonNull Runnable onUnblock)
+  {
+    SimpleTask.run(lifecycle,
+                   () -> buildUnblockFor(context, recipient, onUnblock),
+                   AlertDialog.Builder::show);
+  }
+
+  @WorkerThread
+  private static AlertDialog.Builder buildBlockFor(@NonNull Context context,
+                                                   @NonNull Recipient recipient,
+                                                   @NonNull Runnable onBlock,
+                                                   @Nullable Runnable onBlockAndDelete)
+  {
+    recipient = recipient.resolve();
+
+    AlertDialog.Builder builder   = new AlertDialog.Builder(context);
+    Resources           resources = context.getResources();
+
+    if (recipient.isGroup()) {
+      if (DatabaseFactory.getGroupDatabase(context).isActive(recipient.requireGroupId())) {
+        builder.setTitle(resources.getString(R.string.BlockUnblockDialog_block_and_leave_s, recipient.getDisplayName(context)));
+        builder.setMessage(R.string.BlockUnblockDialog_you_will_no_longer_receive_messages_or_updates);
+        builder.setPositiveButton(R.string.BlockUnblockDialog_block_and_leave, ((dialog, which) -> onBlock.run()));
+        builder.setNegativeButton(android.R.string.cancel, null);
+      } else {
+        builder.setTitle(resources.getString(R.string.BlockUnblockDialog_block_s, recipient.getDisplayName(context)));
+        builder.setMessage(R.string.BlockUnblockDialog_group_members_wont_be_able_to_add_you);
+        builder.setPositiveButton(R.string.RecipientPreferenceActivity_block, ((dialog, which) -> onBlock.run()));
+        builder.setNegativeButton(android.R.string.cancel, null);
+      }
+    } else {
+      builder.setTitle(resources.getString(R.string.BlockUnblockDialog_block_s, recipient.getDisplayName(context)));
+      builder.setMessage(R.string.BlockUnblockDialog_blocked_people_wont_be_able_to_call_you_or_send_you_messages);
+
+      if (onBlockAndDelete != null) {
+        builder.setNeutralButton(android.R.string.cancel, null);
+        builder.setPositiveButton(R.string.BlockUnblockDialog_block_and_delete, (d, w) -> onBlockAndDelete.run());
+        builder.setNegativeButton(R.string.BlockUnblockDialog_block, (d, w) -> onBlock.run());
+      } else {
+        builder.setPositiveButton(R.string.BlockUnblockDialog_block, ((dialog, which) -> onBlock.run()));
+        builder.setNegativeButton(android.R.string.cancel, null);
+      }
+    }
+
+    return builder;
+  }
+
+  @WorkerThread
+  private static AlertDialog.Builder buildUnblockFor(@NonNull Context context,
+                                                     @NonNull Recipient recipient,
+                                                     @NonNull Runnable onUnblock)
+  {
+    recipient = recipient.resolve();
+
+    AlertDialog.Builder builder   = new AlertDialog.Builder(context);
+    Resources           resources = context.getResources();
+
+    if (recipient.isGroup()) {
+      if (DatabaseFactory.getGroupDatabase(context).isActive(recipient.requireGroupId())) {
+        builder.setTitle(resources.getString(R.string.BlockUnblockDialog_unblock_s, recipient.getDisplayName(context)));
+        builder.setMessage(R.string.BlockUnblockDialog_group_members_will_be_able_to_add_you);
+        builder.setPositiveButton(R.string.RecipientPreferenceActivity_unblock, ((dialog, which) -> onUnblock.run()));
+        builder.setNegativeButton(android.R.string.cancel, null);
+      } else {
+        builder.setTitle(resources.getString(R.string.BlockUnblockDialog_unblock_s, recipient.getDisplayName(context)));
+        builder.setMessage(R.string.BlockUnblockDialog_group_members_will_be_able_to_add_you);
+        builder.setPositiveButton(R.string.RecipientPreferenceActivity_unblock, ((dialog, which) -> onUnblock.run()));
+        builder.setNegativeButton(android.R.string.cancel, null);
+      }
+    } else {
+      builder.setTitle(resources.getString(R.string.BlockUnblockDialog_unblock_s, recipient.getDisplayName(context)));
+      builder.setMessage(R.string.BlockUnblockDialog_you_will_be_able_to_call_and_message_each_other);
+      builder.setPositiveButton(R.string.RecipientPreferenceActivity_unblock, ((dialog, which) -> onUnblock.run()));
+      builder.setNegativeButton(android.R.string.cancel, null);
+    }
+
+    return builder;
+  }
+}

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

@@ -1,149 +0,0 @@
-package org.thoughtcrime.securesms;
-
-import android.content.Context;
-import android.content.Intent;
-import android.database.Cursor;
-import android.os.Bundle;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.fragment.app.ListFragment;
-import androidx.loader.app.LoaderManager;
-import androidx.loader.content.Loader;
-import androidx.cursoradapter.widget.CursorAdapter;
-import android.view.LayoutInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.ListView;
-
-import org.thoughtcrime.securesms.database.RecipientDatabase;
-import org.thoughtcrime.securesms.database.loaders.BlockedContactsLoader;
-import org.thoughtcrime.securesms.mms.GlideApp;
-import org.thoughtcrime.securesms.mms.GlideRequests;
-import org.thoughtcrime.securesms.preferences.BlockedContactListItem;
-import org.thoughtcrime.securesms.recipients.LiveRecipient;
-import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.recipients.RecipientId;
-import org.thoughtcrime.securesms.util.DynamicLanguage;
-import org.thoughtcrime.securesms.util.DynamicTheme;
-
-public class BlockedContactsActivity extends PassphraseRequiredActionBarActivity {
-
-  private final DynamicTheme    dynamicTheme    = new DynamicTheme();
-  private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
-
-  @Override
-  public void onPreCreate() {
-    dynamicTheme.onCreate(this);
-    dynamicLanguage.onCreate(this);
-  }
-
-
-  @Override
-  public void onCreate(Bundle bundle, boolean ready) {
-    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-    getSupportActionBar().setTitle(R.string.BlockedContactsActivity_blocked_contacts);
-    initFragment(android.R.id.content, new BlockedContactsFragment());
-  }
-
-  @Override
-  public void onResume() {
-    super.onResume();
-    dynamicTheme.onResume(this);
-    dynamicLanguage.onResume(this);
-  }
-
-  @Override
-  public boolean onOptionsItemSelected(MenuItem item) {
-    switch (item.getItemId()) {
-      case android.R.id.home: finish(); return true;
-    }
-
-    return false;
-  }
-
-  public static class BlockedContactsFragment
-      extends ListFragment
-      implements LoaderManager.LoaderCallbacks<Cursor>, ListView.OnItemClickListener
-  {
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle) {
-      return inflater.inflate(R.layout.blocked_contacts_fragment, container, false);
-    }
-
-    @Override
-    public void onCreate(Bundle bundle) {
-      super.onCreate(bundle);
-      setListAdapter(new BlockedContactAdapter(getActivity(), GlideApp.with(this), null));
-      getLoaderManager().initLoader(0, null, this);
-    }
-
-    @Override
-    public void onStart() {
-      super.onStart();
-      getLoaderManager().restartLoader(0, null, this);
-    }
-
-    @Override
-    public void onActivityCreated(Bundle bundle) {
-      super.onActivityCreated(bundle);
-      getListView().setOnItemClickListener(this);
-    }
-
-    @Override
-    public @NonNull Loader<Cursor> onCreateLoader(int id, Bundle args) {
-      return new BlockedContactsLoader(getActivity());
-    }
-
-    @Override
-    public void onLoadFinished(@NonNull Loader<Cursor> loader, Cursor data) {
-      if (getListAdapter() != null) {
-        ((CursorAdapter) getListAdapter()).changeCursor(data);
-      }
-    }
-
-    @Override
-    public void onLoaderReset(@NonNull Loader<Cursor> loader) {
-      if (getListAdapter() != null) {
-        ((CursorAdapter) getListAdapter()).changeCursor(null);
-      }
-    }
-
-    @Override
-    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-      Recipient recipient = ((BlockedContactListItem)view).getRecipient();
-      Intent    intent    = new Intent(getActivity(), RecipientPreferenceActivity.class);
-      intent.putExtra(RecipientPreferenceActivity.RECIPIENT_ID, recipient.getId());
-
-      startActivity(intent);
-    }
-
-    private static class BlockedContactAdapter extends CursorAdapter {
-
-      private final GlideRequests glideRequests;
-
-      BlockedContactAdapter(@NonNull Context context, @NonNull GlideRequests glideRequests, @Nullable Cursor c) {
-        super(context, c);
-        this.glideRequests = glideRequests;
-      }
-
-      @Override
-      public View newView(Context context, Cursor cursor, ViewGroup parent) {
-        return LayoutInflater.from(context)
-                             .inflate(R.layout.blocked_contact_list_item, parent, false);
-      }
-
-      @Override
-      public void bindView(View view, Context context, Cursor cursor) {
-        RecipientId   recipientId = RecipientId.from(cursor.getLong(cursor.getColumnIndexOrThrow(RecipientDatabase.ID)));
-        LiveRecipient recipient   = Recipient.live(recipientId);
-
-        ((BlockedContactListItem) view).set(glideRequests, recipient);
-      }
-    }
-
-  }
-
-}

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

@@ -0,0 +1,48 @@
+package org.thoughtcrime.securesms;
+
+
+import android.app.Activity;
+import android.content.Intent;
+import android.view.ContextThemeWrapper;
+
+import androidx.appcompat.app.AlertDialog;
+
+import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
+import org.thoughtcrime.securesms.util.DynamicTheme;
+
+public final class ClearAvatarPromptActivity extends Activity {
+
+  private static final String ARG_TITLE = "arg_title";
+
+  public static Intent createForUserProfilePhoto() {
+    Intent intent = new Intent(ApplicationDependencies.getApplication(), ClearAvatarPromptActivity.class);
+    intent.putExtra(ARG_TITLE, R.string.ClearProfileActivity_remove_profile_photo);
+    return intent;
+  }
+
+  public static Intent createForGroupProfilePhoto() {
+    Intent intent = new Intent(ApplicationDependencies.getApplication(), ClearAvatarPromptActivity.class);
+    intent.putExtra(ARG_TITLE, R.string.ClearProfileActivity_remove_group_photo);
+    return intent;
+  }
+
+  @Override
+  public void onResume() {
+    super.onResume();
+
+    int message = getIntent().getIntExtra(ARG_TITLE, 0);
+
+    new AlertDialog.Builder(new ContextThemeWrapper(this, DynamicTheme.isDarkTheme(this) ? R.style.TextSecure_DarkTheme : R.style.TextSecure_LightTheme))
+                   .setMessage(message)
+                   .setNegativeButton(android.R.string.cancel, (dialog, which) -> finish())
+                   .setPositiveButton(R.string.ClearProfileActivity_remove, (dialog, which) -> {
+                     Intent result = new Intent();
+                     result.putExtra("delete", true);
+                     setResult(Activity.RESULT_OK, result);
+                     finish();
+                   })
+                   .setOnCancelListener(dialog -> finish())
+                   .show();
+  }
+
+}

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

@@ -1,26 +0,0 @@
-package org.thoughtcrime.securesms;
-
-
-import android.app.Activity;
-import android.content.Intent;
-import androidx.appcompat.app.AlertDialog;
-
-public class ClearProfileAvatarActivity extends Activity {
-
-  @Override
-  public void onResume() {
-    super.onResume();
-
-    new AlertDialog.Builder(this)
-        .setTitle(R.string.ClearProfileActivity_remove_profile_photo)
-        .setNegativeButton(android.R.string.cancel, (dialog, which) -> finish())
-        .setPositiveButton(R.string.ClearProfileActivity_remove, (dialog, which) -> {
-          Intent result = new Intent();
-          result.putExtra("delete", true);
-          setResult(Activity.RESULT_OK, result);
-          finish();
-        })
-        .show();
-  }
-
-}

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

@@ -3,7 +3,6 @@ package org.thoughtcrime.securesms;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.DialogInterface;
-import android.database.Cursor;
 import android.os.AsyncTask;
 import android.text.SpannableString;
 import android.text.Spanned;
@@ -14,10 +13,8 @@ import androidx.appcompat.app.AlertDialog;
 
 import org.thoughtcrime.securesms.crypto.storage.TextSecureIdentityKeyStore;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.database.MmsDatabase;
-import org.thoughtcrime.securesms.database.MmsSmsDatabase;
+import org.thoughtcrime.securesms.database.MessageDatabase;
 import org.thoughtcrime.securesms.database.PushDatabase;
-import org.thoughtcrime.securesms.database.SmsDatabase;
 import org.thoughtcrime.securesms.database.documents.IdentityKeyMismatch;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
@@ -51,7 +48,7 @@ public class ConfirmIdentityDialog extends AlertDialog {
     super(context);
 
       Recipient       recipient       = Recipient.resolved(mismatch.getRecipientId(context));
-      String          name            = recipient.toShortString(context);
+      String          name            = recipient.getDisplayName(context);
       String          introduction    = context.getString(R.string.ConfirmIdentityDialog_your_safety_number_with_s_has_changed, name, name);
       SpannableString spannableString = new SpannableString(introduction + " " +
                                                             context.getString(R.string.ConfirmIdentityDialog_you_may_wish_to_verify_your_safety_number_with_this_contact));
@@ -105,7 +102,6 @@ public class ConfirmIdentityDialog extends AlertDialog {
           }
 
           processMessageRecord(messageRecord);
-          processPendingMessageRecords(messageRecord.getThreadId(), mismatch);
 
           return null;
         }
@@ -115,29 +111,9 @@ public class ConfirmIdentityDialog extends AlertDialog {
           else                            processIncomingMessageRecord(messageRecord);
         }
 
-        private void processPendingMessageRecords(long threadId, IdentityKeyMismatch mismatch) {
-          MmsSmsDatabase        mmsSmsDatabase = DatabaseFactory.getMmsSmsDatabase(getContext());
-          Cursor                cursor         = mmsSmsDatabase.getIdentityConflictMessagesForThread(threadId);
-          MmsSmsDatabase.Reader reader         = mmsSmsDatabase.readerFor(cursor);
-          MessageRecord         record;
-
-          try {
-            while ((record = reader.getNext()) != null) {
-              for (IdentityKeyMismatch recordMismatch : record.getIdentityKeyMismatches()) {
-                if (mismatch.equals(recordMismatch)) {
-                  processMessageRecord(record);
-                }
-              }
-            }
-          } finally {
-            if (reader != null)
-              reader.close();
-          }
-        }
-
         private void processOutgoingMessageRecord(MessageRecord messageRecord) {
-          SmsDatabase        smsDatabase        = DatabaseFactory.getSmsDatabase(getContext());
-          MmsDatabase        mmsDatabase        = DatabaseFactory.getMmsDatabase(getContext());
+          MessageDatabase smsDatabase = DatabaseFactory.getSmsDatabase(getContext());
+          MessageDatabase mmsDatabase = DatabaseFactory.getMmsDatabase(getContext());
 
           if (messageRecord.isMms()) {
             mmsDatabase.removeMismatchedIdentity(messageRecord.getId(),
@@ -160,8 +136,8 @@ public class ConfirmIdentityDialog extends AlertDialog {
 
         private void processIncomingMessageRecord(MessageRecord messageRecord) {
           try {
-            PushDatabase pushDatabase = DatabaseFactory.getPushDatabase(getContext());
-            SmsDatabase  smsDatabase  = DatabaseFactory.getSmsDatabase(getContext());
+            PushDatabase    pushDatabase = DatabaseFactory.getPushDatabase(getContext());
+            MessageDatabase smsDatabase  = DatabaseFactory.getSmsDatabase(getContext());
 
             smsDatabase.removeMismatchedIdentity(messageRecord.getId(),
                                                  mismatch.getRecipientId(getContext()),
@@ -175,7 +151,9 @@ public class ConfirmIdentityDialog extends AlertDialog {
                                                                        messageRecord.getDateSent(),
                                                                        legacy ? Base64.decode(messageRecord.getBody()) : null,
                                                                        !legacy ? Base64.decode(messageRecord.getBody()) : null,
-                                                                       0, null);
+                                                                       0,
+                                                                       0,
+                                                                       null);
 
             long pushId = pushDatabase.insert(envelope);
 

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

@@ -19,20 +19,18 @@ package org.thoughtcrime.securesms;
 import android.content.Context;
 import android.os.AsyncTask;
 import android.os.Bundle;
+
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
-import org.thoughtcrime.securesms.logging.Log;
-
+import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.components.ContactFilterToolbar;
 import org.thoughtcrime.securesms.contacts.ContactsCursorLoader.DisplayMode;
 import org.thoughtcrime.securesms.contacts.sync.DirectoryHelper;
-import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientId;
-import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.DynamicNoActionBarTheme;
 import org.thoughtcrime.securesms.util.DynamicTheme;
+import org.thoughtcrime.securesms.util.ServiceUtil;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
-import org.thoughtcrime.securesms.util.ViewUtil;
 import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.io.IOException;
@@ -44,14 +42,16 @@ import java.lang.ref.WeakReference;
  * @author Moxie Marlinspike
  *
  */
-public abstract class ContactSelectionActivity extends PassphraseRequiredActionBarActivity
+public abstract class ContactSelectionActivity extends PassphraseRequiredActivity
                                                implements SwipeRefreshLayout.OnRefreshListener,
-                                                          ContactSelectionListFragment.OnContactSelectedListener
+                                                          ContactSelectionListFragment.OnContactSelectedListener,
+                                                          ContactSelectionListFragment.ScrollCallback
 {
   private static final String TAG = ContactSelectionActivity.class.getSimpleName();
 
-  private final DynamicTheme    dynamicTheme    = new DynamicNoActionBarTheme();
-  private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
+  public static final String EXTRA_LAYOUT_RES_ID = "layout_res_id";
+
+  private final DynamicTheme dynamicTheme = new DynamicNoActionBarTheme();
 
   protected ContactSelectionListFragment contactsFragment;
 
@@ -60,18 +60,17 @@ public abstract class ContactSelectionActivity extends PassphraseRequiredActionB
   @Override
   protected void onPreCreate() {
     dynamicTheme.onCreate(this);
-    dynamicLanguage.onCreate(this);
   }
 
   @Override
   protected void onCreate(Bundle icicle, boolean ready) {
     if (!getIntent().hasExtra(ContactSelectionListFragment.DISPLAY_MODE)) {
       int displayMode = TextSecurePreferences.isSmsEnabled(this) ? DisplayMode.FLAG_ALL
-                                                                 : DisplayMode.FLAG_PUSH | DisplayMode.FLAG_ACTIVE_GROUPS | DisplayMode.FLAG_INACTIVE_GROUPS;
+                                                                 : DisplayMode.FLAG_PUSH | DisplayMode.FLAG_ACTIVE_GROUPS | DisplayMode.FLAG_INACTIVE_GROUPS | DisplayMode.FLAG_SELF;
       getIntent().putExtra(ContactSelectionListFragment.DISPLAY_MODE, displayMode);
     }
 
-    setContentView(R.layout.contact_selection_activity);
+    setContentView(getIntent().getIntExtra(EXTRA_LAYOUT_RES_ID, R.layout.contact_selection_activity));
 
     initializeToolbar();
     initializeResources();
@@ -82,7 +81,6 @@ public abstract class ContactSelectionActivity extends PassphraseRequiredActionB
   public void onResume() {
     super.onResume();
     dynamicTheme.onResume(this);
-    dynamicLanguage.onResume(this);
   }
 
   protected ContactFilterToolbar getToolbar() {
@@ -90,10 +88,9 @@ public abstract class ContactSelectionActivity extends PassphraseRequiredActionB
   }
 
   private void initializeToolbar() {
-    this.toolbar = ViewUtil.findById(this, R.id.toolbar);
+    this.toolbar = findViewById(R.id.toolbar);
     setSupportActionBar(toolbar);
 
-    assert  getSupportActionBar() != null;
     getSupportActionBar().setDisplayHomeAsUpEnabled(false);
     getSupportActionBar().setDisplayShowTitleEnabled(false);
     getSupportActionBar().setIcon(null);
@@ -102,7 +99,6 @@ public abstract class ContactSelectionActivity extends PassphraseRequiredActionB
 
   private void initializeResources() {
     contactsFragment = (ContactSelectionListFragment) getSupportFragmentManager().findFragmentById(R.id.contact_selection_list_fragment);
-    contactsFragment.setOnContactSelectedListener(this);
     contactsFragment.setOnRefreshListener(this);
   }
 
@@ -116,11 +112,24 @@ public abstract class ContactSelectionActivity extends PassphraseRequiredActionB
   }
 
   @Override
-  public void onContactSelected(Optional<RecipientId> recipientId, String number) {}
+  public boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number) {
+    return true;
+  }
 
   @Override
   public void onContactDeselected(Optional<RecipientId> recipientId, String number) {}
 
+  @Override
+  public void onBeginScroll() {
+    hideKeyboard();
+  }
+
+  private void hideKeyboard() {
+    ServiceUtil.getInputMethodManager(this)
+               .hideSoftInputFromWindow(toolbar.getWindowToken(), 0);
+    toolbar.clearFocus();
+  }
+
   private static class RefreshDirectoryTask extends AsyncTask<Context, Void, Void> {
 
     private final WeakReference<ContactSelectionActivity> activity;

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

@@ -18,47 +18,64 @@ package org.thoughtcrime.securesms;
 
 
 import android.Manifest;
+import android.animation.LayoutTransition;
 import android.annotation.SuppressLint;
 import android.content.Context;
+import android.content.Intent;
 import android.database.Cursor;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowManager;
 import android.widget.Button;
+import android.widget.HorizontalScrollView;
 import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
-import androidx.fragment.app.Fragment;
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.constraintlayout.widget.ConstraintSet;
+import androidx.fragment.app.FragmentActivity;
 import androidx.loader.app.LoaderManager;
 import androidx.loader.content.Loader;
+import androidx.recyclerview.widget.DefaultItemAnimator;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+import androidx.transition.AutoTransition;
+import androidx.transition.TransitionManager;
 
+import com.annimon.stream.Collectors;
+import com.annimon.stream.Stream;
+import com.google.android.material.chip.ChipGroup;
 import com.pnikosis.materialishprogress.ProgressWheel;
 
+import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.components.RecyclerViewFastScroller;
+import org.thoughtcrime.securesms.components.emoji.WarningTextView;
+import org.thoughtcrime.securesms.contacts.ContactChip;
 import org.thoughtcrime.securesms.contacts.ContactSelectionListAdapter;
 import org.thoughtcrime.securesms.contacts.ContactSelectionListItem;
 import org.thoughtcrime.securesms.contacts.ContactsCursorLoader;
 import org.thoughtcrime.securesms.contacts.ContactsCursorLoader.DisplayMode;
 import org.thoughtcrime.securesms.contacts.SelectedContact;
-import org.thoughtcrime.securesms.logging.Log;
-import org.thoughtcrime.securesms.mms.GlideApp;
-import org.thoughtcrime.securesms.permissions.Permissions;
 import org.thoughtcrime.securesms.contacts.sync.DirectoryHelper;
+import org.thoughtcrime.securesms.groups.SelectionLimits;
+import org.thoughtcrime.securesms.groups.ui.GroupLimitDialog;
+import org.thoughtcrime.securesms.mms.GlideApp;
+import org.thoughtcrime.securesms.mms.GlideRequests;
+import org.thoughtcrime.securesms.permissions.Permissions;
+import org.thoughtcrime.securesms.recipients.LiveRecipient;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientId;
 import org.thoughtcrime.securesms.util.StickyHeaderDecoration;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.UsernameUtil;
-import org.thoughtcrime.securesms.util.ViewUtil;
 import org.thoughtcrime.securesms.util.adapter.FixedViewsAdapter;
 import org.thoughtcrime.securesms.util.adapter.RecyclerViewConcatenateAdapterStickyHeader;
 import org.thoughtcrime.securesms.util.concurrent.SimpleTask;
@@ -66,7 +83,7 @@ import org.thoughtcrime.securesms.util.views.SimpleProgressDialog;
 import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.io.IOException;
-import java.util.LinkedList;
+import java.util.Collections;
 import java.util.List;
 import java.util.Set;
 
@@ -76,39 +93,73 @@ import java.util.Set;
  * @author Moxie Marlinspike
  *
  */
-public final class ContactSelectionListFragment extends    Fragment
+public final class ContactSelectionListFragment extends LoggingFragment
                                                 implements LoaderManager.LoaderCallbacks<Cursor>
 {
   @SuppressWarnings("unused")
   private static final String TAG = Log.tag(ContactSelectionListFragment.class);
 
-  public static final String DISPLAY_MODE = "display_mode";
-  public static final String MULTI_SELECT = "multi_select";
-  public static final String REFRESHABLE  = "refreshable";
-  public static final String RECENTS      = "recents";
+  private static final int CHIP_GROUP_EMPTY_CHILD_COUNT  = 1;
+  private static final int CHIP_GROUP_REVEAL_DURATION_MS = 150;
 
-  private TextView                    emptyText;
-  private Set<SelectedContact>        selectedContacts;
-  private OnContactSelectedListener   onContactSelectedListener;
-  private SwipeRefreshLayout          swipeRefresh;
-  private View                        showContactsLayout;
-  private Button                      showContactsButton;
-  private TextView                    showContactsDescription;
-  private ProgressWheel               showContactsProgress;
-  private String                      cursorFilter;
-  private RecyclerView                recyclerView;
-  private RecyclerViewFastScroller    fastScroller;
-  private ContactSelectionListAdapter cursorRecyclerViewAdapter;
+  public static final int NO_LIMIT = Integer.MAX_VALUE;
 
+  public static final String DISPLAY_MODE      = "display_mode";
+  public static final String REFRESHABLE       = "refreshable";
+  public static final String RECENTS           = "recents";
+  public static final String SELECTION_LIMITS  = "selection_limits";
+  public static final String CURRENT_SELECTION = "current_selection";
+  public static final String HIDE_COUNT        = "hide_count";
+  public static final String CAN_SELECT_SELF   = "can_select_self";
+  public static final String DISPLAY_CHIPS     = "display_chips";
+
+  private ConstraintLayout                constraintLayout;
+  private TextView                        emptyText;
+  private OnContactSelectedListener       onContactSelectedListener;
+  private SwipeRefreshLayout              swipeRefresh;
+  private View                            showContactsLayout;
+  private Button                          showContactsButton;
+  private TextView                        showContactsDescription;
+  private ProgressWheel                   showContactsProgress;
+  private String                          cursorFilter;
+  private RecyclerView                    recyclerView;
+  private RecyclerViewFastScroller        fastScroller;
+  private ContactSelectionListAdapter     cursorRecyclerViewAdapter;
+  private ChipGroup                       chipGroup;
+  private HorizontalScrollView            chipGroupScrollContainer;
+  private WarningTextView                 groupLimit;
+  private OnSelectionLimitReachedListener onSelectionLimitReachedListener;
+
+
+  @Nullable private FixedViewsAdapter headerAdapter;
   @Nullable private FixedViewsAdapter footerAdapter;
-  @Nullable private InviteCallback    inviteCallback;
+  @Nullable private ListCallback      listCallback;
+  @Nullable private ScrollCallback    scrollCallback;
+            private GlideRequests     glideRequests;
+            private SelectionLimits   selectionLimit   = SelectionLimits.NO_LIMITS;
+            private Set<RecipientId>  currentSelection;
+            private boolean           isMulti;
+            private boolean           hideCount;
+            private boolean           canSelectSelf;
 
   @Override
   public void onAttach(@NonNull Context context) {
     super.onAttach(context);
 
-    if (context instanceof InviteCallback) {
-      inviteCallback = (InviteCallback) context;
+    if (context instanceof ListCallback) {
+      listCallback = (ListCallback) context;
+    }
+
+    if (context instanceof ScrollCallback) {
+      scrollCallback = (ScrollCallback) context;
+    }
+
+    if (context instanceof OnContactSelectedListener) {
+      onContactSelectedListener = (OnContactSelectedListener) context;
+    }
+
+    if (context instanceof OnSelectionLimitReachedListener) {
+      onSelectionLimitReachedListener = (OnSelectionLimitReachedListener) context;
     }
   }
 
@@ -130,14 +181,16 @@ public final class ContactSelectionListFragment extends    Fragment
                  if (!TextSecurePreferences.hasSuccessfullyRetrievedDirectory(getActivity())) {
                    handleContactPermissionGranted();
                  } else {
-                   this.getLoaderManager().initLoader(0, null, this);
+                   LoaderManager.getInstance(this).initLoader(0, null, this);
                  }
                })
                .onAnyDenied(() -> {
-                 getActivity().getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
+                 FragmentActivity activity = requireActivity();
 
-                 if (getActivity().getIntent().getBooleanExtra(RECENTS, false)) {
-                   getLoaderManager().initLoader(0, null, ContactSelectionListFragment.this);
+                 activity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
+
+                 if (activity.getIntent().getBooleanExtra(RECENTS, false)) {
+                   LoaderManager.getInstance(this).initLoader(0, null, ContactSelectionListFragment.this);
                  } else {
                    initializeNoContactsPermission();
                  }
@@ -149,64 +202,137 @@ public final class ContactSelectionListFragment extends    Fragment
   public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
     View view = inflater.inflate(R.layout.contact_selection_list_fragment, container, false);
 
-    emptyText               = ViewUtil.findById(view, android.R.id.empty);
-    recyclerView            = ViewUtil.findById(view, R.id.recycler_view);
-    swipeRefresh            = ViewUtil.findById(view, R.id.swipe_refresh);
-    fastScroller            = ViewUtil.findById(view, R.id.fast_scroller);
-    showContactsLayout      = view.findViewById(R.id.show_contacts_container);
-    showContactsButton      = view.findViewById(R.id.show_contacts_button);
-    showContactsDescription = view.findViewById(R.id.show_contacts_description);
-    showContactsProgress    = view.findViewById(R.id.progress);
-    recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
+    emptyText                = view.findViewById(android.R.id.empty);
+    recyclerView             = view.findViewById(R.id.recycler_view);
+    swipeRefresh             = view.findViewById(R.id.swipe_refresh);
+    fastScroller             = view.findViewById(R.id.fast_scroller);
+    showContactsLayout       = view.findViewById(R.id.show_contacts_container);
+    showContactsButton       = view.findViewById(R.id.show_contacts_button);
+    showContactsDescription  = view.findViewById(R.id.show_contacts_description);
+    showContactsProgress     = view.findViewById(R.id.progress);
+    chipGroup                = view.findViewById(R.id.chipGroup);
+    chipGroupScrollContainer = view.findViewById(R.id.chipGroupScrollContainer);
+    groupLimit               = view.findViewById(R.id.group_limit);
+    constraintLayout         = view.findViewById(R.id.container);
 
-    swipeRefresh.setEnabled(getActivity().getIntent().getBooleanExtra(REFRESHABLE, true));
+    recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
+    recyclerView.setItemAnimator(new DefaultItemAnimator() {
+      @Override
+      public boolean canReuseUpdatedViewHolder(@NonNull RecyclerView.ViewHolder viewHolder) {
+        return true;
+      }
+    });
+
+    Intent intent = requireActivity().getIntent();
+
+    swipeRefresh.setEnabled(intent.getBooleanExtra(REFRESHABLE, true));
+
+    hideCount      = intent.getBooleanExtra(HIDE_COUNT, false);
+    selectionLimit = intent.getParcelableExtra(SELECTION_LIMITS);
+    isMulti        = selectionLimit != null;
+    canSelectSelf  = intent.getBooleanExtra(CAN_SELECT_SELF, !isMulti);
+
+    if (!isMulti) {
+      selectionLimit = SelectionLimits.NO_LIMITS;
+    }
+
+    currentSelection = getCurrentSelection();
+
+    updateGroupLimit(getChipCount());
 
     return view;
   }
 
+  private void updateGroupLimit(int chipCount) {
+    int members = currentSelection.size() + chipCount;
+    groupLimit.setText(getResources().getQuantityString(R.plurals.ContactSelectionListFragment_d_members, members, members));
+    groupLimit.setVisibility(isMulti && !hideCount ? View.VISIBLE : View.GONE);
+    groupLimit.setWarning(selectionWarningLimitExceeded());
+  }
+
   @Override
   public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
     Permissions.onRequestPermissionsResult(this, requestCode, permissions, grantResults);
   }
 
   public @NonNull List<SelectedContact> getSelectedContacts() {
-    List<SelectedContact> selected = new LinkedList<>();
-    if (selectedContacts != null) {
-      selected.addAll(selectedContacts);
+    if (cursorRecyclerViewAdapter == null) {
+      return Collections.emptyList();
     }
 
-    return selected;
+    return cursorRecyclerViewAdapter.getSelectedContacts();
   }
 
-  private boolean isMulti() {
-    return getActivity().getIntent().getBooleanExtra(MULTI_SELECT, false);
+  public int getSelectedContactsCount() {
+    if (cursorRecyclerViewAdapter == null) {
+      return 0;
+    }
+
+    return cursorRecyclerViewAdapter.getSelectedContactsCount();
+  }
+
+  private Set<RecipientId> getCurrentSelection() {
+    List<RecipientId> currentSelection = requireActivity().getIntent().getParcelableArrayListExtra(CURRENT_SELECTION);
+
+    return currentSelection == null ? Collections.emptySet()
+                                    : Collections.unmodifiableSet(Stream.of(currentSelection).collect(Collectors.toSet()));
+  }
+
+  public boolean isMulti() {
+    return isMulti;
   }
 
   private void initializeCursor() {
+    glideRequests = GlideApp.with(this);
+
     cursorRecyclerViewAdapter = new ContactSelectionListAdapter(requireContext(),
-                                                                GlideApp.with(this),
+                                                                glideRequests,
                                                                 null,
                                                                 new ListClickListener(),
-                                                                isMulti());
-    selectedContacts = cursorRecyclerViewAdapter.getSelectedContacts();
+                                                                isMulti,
+                                                                currentSelection);
 
     RecyclerViewConcatenateAdapterStickyHeader concatenateAdapter = new RecyclerViewConcatenateAdapterStickyHeader();
 
+    if (listCallback != null) {
+      headerAdapter = new FixedViewsAdapter(createNewGroupItem(listCallback));
+      headerAdapter.hide();
+      concatenateAdapter.addAdapter(headerAdapter);
+    }
+
     concatenateAdapter.addAdapter(cursorRecyclerViewAdapter);
-    if (inviteCallback != null) {
-      footerAdapter = new FixedViewsAdapter(createInviteActionView(inviteCallback));
+
+    if (listCallback != null) {
+      footerAdapter = new FixedViewsAdapter(createInviteActionView(listCallback));
       footerAdapter.hide();
       concatenateAdapter.addAdapter(footerAdapter);
     }
 
     recyclerView.setAdapter(concatenateAdapter);
-    recyclerView.addItemDecoration(new StickyHeaderDecoration(concatenateAdapter, true, true));
+    recyclerView.addItemDecoration(new StickyHeaderDecoration(concatenateAdapter, true, true, 0));
+    recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
+      @Override
+      public void onScrollStateChanged(@NonNull RecyclerView recyclerView, int newState) {
+        if (newState == RecyclerView.SCROLL_STATE_DRAGGING) {
+          if (scrollCallback != null) {
+            scrollCallback.onBeginScroll();
+          }
+        }
+      }
+    });
   }
 
-  private View createInviteActionView(@NonNull InviteCallback inviteCallback) {
+  private View createInviteActionView(@NonNull ListCallback listCallback) {
     View view = LayoutInflater.from(requireContext())
                               .inflate(R.layout.contact_selection_invite_action_item, (ViewGroup) requireView(), false);
-    view.setOnClickListener(v -> inviteCallback.onInvite());
+    view.setOnClickListener(v -> listCallback.onInvite());
+    return view;
+  }
+
+  private View createNewGroupItem(@NonNull ListCallback listCallback) {
+    View view = LayoutInflater.from(requireContext())
+                              .inflate(R.layout.contact_selection_new_group_item, (ViewGroup) requireView(), false);
+    view.setOnClickListener(v -> listCallback.onNewGroup(false));
     return view;
   }
 
@@ -242,23 +368,28 @@ public final class ContactSelectionListFragment extends    Fragment
     swipeRefresh.setRefreshing(false);
   }
 
+  public boolean hasQueryFilter() {
+    return !TextUtils.isEmpty(cursorFilter);
+  }
+
   public void setRefreshing(boolean refreshing) {
     swipeRefresh.setRefreshing(refreshing);
   }
 
   public void reset() {
-    selectedContacts.clear();
+    cursorRecyclerViewAdapter.clearSelectedContacts();
 
     if (!isDetached() && !isRemoving() && getActivity() != null && !getActivity().isFinishing()) {
-      getLoaderManager().restartLoader(0, null, this);
+      LoaderManager.getInstance(this).restartLoader(0, null, this);
     }
   }
 
   @Override
   public @NonNull Loader<Cursor> onCreateLoader(int id, Bundle args) {
-    return new ContactsCursorLoader(getActivity(),
-                                    getActivity().getIntent().getIntExtra(DISPLAY_MODE, DisplayMode.FLAG_ALL),
-                                    cursorFilter, getActivity().getIntent().getBooleanExtra(RECENTS, false));
+    FragmentActivity activity = requireActivity();
+    return new ContactsCursorLoader(activity,
+                                    activity.getIntent().getIntExtra(DISPLAY_MODE, DisplayMode.FLAG_ALL),
+                                    cursorFilter, activity.getIntent().getBooleanExtra(RECENTS, false));
   }
 
   @Override
@@ -272,6 +403,14 @@ public final class ContactSelectionListFragment extends    Fragment
       footerAdapter.show();
     }
 
+    if (headerAdapter != null) {
+      if (TextUtils.isEmpty(cursorFilter)) {
+        headerAdapter.show();
+      } else {
+        headerAdapter.hide();
+      }
+    }
+
     emptyText.setText(R.string.contact_selection_group_activity__no_contacts);
     boolean useFastScroller = data != null && data.getCount() > 20;
     recyclerView.setVerticalScrollBarEnabled(!useFastScroller);
@@ -323,8 +462,11 @@ public final class ContactSelectionListFragment extends    Fragment
           swipeRefresh.setVisibility(View.VISIBLE);
           reset();
         } else {
-          Toast.makeText(getContext(), R.string.ContactSelectionListFragment_error_retrieving_contacts_check_your_network_connection, Toast.LENGTH_LONG).show();
-          initializeNoContactsPermission();
+          Context context = getContext();
+          if (context != null) {
+            Toast.makeText(getContext(), R.string.ContactSelectionListFragment_error_retrieving_contacts_check_your_network_connection, Toast.LENGTH_LONG).show();
+            initializeNoContactsPermission();
+          }
         }
       }
     }.execute();
@@ -336,7 +478,21 @@ public final class ContactSelectionListFragment extends    Fragment
       SelectedContact selectedContact = contact.isUsernameType() ? SelectedContact.forUsername(contact.getRecipientId().orNull(), contact.getNumber())
                                                                  : SelectedContact.forPhone(contact.getRecipientId().orNull(), contact.getNumber());
 
-      if (!isMulti() || !selectedContacts.contains(selectedContact)) {
+      if (!canSelectSelf && Recipient.self().getId().equals(selectedContact.getOrCreateRecipientId(requireContext()))) {
+        Toast.makeText(requireContext(), R.string.ContactSelectionListFragment_you_do_not_need_to_add_yourself_to_the_group, Toast.LENGTH_SHORT).show();
+        return;
+      }
+
+      if (!isMulti || !cursorRecyclerViewAdapter.isSelectedContact(selectedContact)) {
+        if (selectionHardLimitReached()) {
+          if (onSelectionLimitReachedListener != null) {
+            onSelectionLimitReachedListener.onHardLimitReached(selectionLimit.getHardLimit());
+          } else {
+            GroupLimitDialog.showHardLimitMessage(requireContext());
+          }
+          return;
+        }
+
         if (contact.isUsernameType()) {
           AlertDialog loadingDialog = SimpleProgressDialog.show(requireContext());
 
@@ -346,31 +502,39 @@ public final class ContactSelectionListFragment extends    Fragment
             loadingDialog.dismiss();
             if (uuid.isPresent()) {
               Recipient recipient = Recipient.externalUsername(requireContext(), uuid.get(), contact.getNumber());
-              selectedContacts.add(SelectedContact.forUsername(recipient.getId(), contact.getNumber()));
-              contact.setChecked(true);
+              SelectedContact selected = SelectedContact.forUsername(recipient.getId(), contact.getNumber());
 
               if (onContactSelectedListener != null) {
-                onContactSelectedListener.onContactSelected(Optional.of(recipient.getId()), null);
+                if (onContactSelectedListener.onBeforeContactSelected(Optional.of(recipient.getId()), null)) {
+                  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(R.string.ContactSelectionListFragment_okay, (dialog, which) -> dialog.dismiss())
+                             .setPositiveButton(android.R.string.ok, (dialog, which) -> dialog.dismiss())
                              .show();
             }
           });
         } else {
-          selectedContacts.add(selectedContact);
-          contact.setChecked(true);
-
           if (onContactSelectedListener != null) {
-            onContactSelectedListener.onContactSelected(contact.getRecipientId(), contact.getNumber());
+            if (onContactSelectedListener.onBeforeContactSelected(contact.getRecipientId(), contact.getNumber())) {
+              markContactSelected(selectedContact);
+              cursorRecyclerViewAdapter.notifyItemRangeChanged(0, cursorRecyclerViewAdapter.getItemCount(), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
+            }
+          } else {
+            markContactSelected(selectedContact);
+            cursorRecyclerViewAdapter.notifyItemRangeChanged(0, cursorRecyclerViewAdapter.getItemCount(), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
           }
         }
       } else {
-        selectedContacts.remove(selectedContact);
-        contact.setChecked(false);
+        markContactUnselected(selectedContact);
+        cursorRecyclerViewAdapter.notifyItemRangeChanged(0, cursorRecyclerViewAdapter.getItemCount(), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
 
         if (onContactSelectedListener != null) {
           onContactSelectedListener.onContactDeselected(contact.getRecipientId(), contact.getNumber());
@@ -379,20 +543,156 @@ public final class ContactSelectionListFragment extends    Fragment
     }
   }
 
-  public void setOnContactSelectedListener(OnContactSelectedListener onContactSelectedListener) {
-    this.onContactSelectedListener = onContactSelectedListener;
+  private boolean selectionHardLimitReached() {
+    return getChipCount() + currentSelection.size() >= selectionLimit.getHardLimit();
+  }
+
+  private boolean selectionWarningLimitReachedExactly() {
+    return getChipCount() + currentSelection.size() == selectionLimit.getRecommendedLimit();
+  }
+
+  private boolean selectionWarningLimitExceeded() {
+    return getChipCount() + currentSelection.size() > selectionLimit.getRecommendedLimit();
+  }
+
+  private void markContactSelected(@NonNull SelectedContact selectedContact) {
+    cursorRecyclerViewAdapter.addSelectedContact(selectedContact);
+    if (isMulti) {
+      addChipForSelectedContact(selectedContact);
+    }
+  }
+
+  private void markContactUnselected(@NonNull SelectedContact selectedContact) {
+    cursorRecyclerViewAdapter.removeFromSelectedContacts(selectedContact);
+    cursorRecyclerViewAdapter.notifyItemRangeChanged(0, cursorRecyclerViewAdapter.getItemCount(), ContactSelectionListAdapter.PAYLOAD_SELECTION_CHANGE);
+    removeChipForContact(selectedContact);
+  }
+
+  private void removeChipForContact(@NonNull SelectedContact contact) {
+    for (int i = chipGroup.getChildCount() - 1; i >= 0; i--) {
+      View v = chipGroup.getChildAt(i);
+      if (v instanceof ContactChip && contact.matches(((ContactChip) v).getContact())) {
+        chipGroup.removeView(v);
+      }
+    }
+
+    updateGroupLimit(getChipCount());
+
+    if (getChipCount() == 0) {
+      setChipGroupVisibility(ConstraintSet.GONE);
+    }
+  }
+
+  private void addChipForSelectedContact(@NonNull SelectedContact selectedContact) {
+    SimpleTask.run(getViewLifecycleOwner().getLifecycle(),
+                   ()       -> Recipient.resolved(selectedContact.getOrCreateRecipientId(requireContext())),
+                   resolved -> addChipForRecipient(resolved, selectedContact));
+  }
+
+  private void addChipForRecipient(@NonNull Recipient recipient, @NonNull SelectedContact selectedContact) {
+    final ContactChip chip = new ContactChip(requireContext());
+
+    if (getChipCount() == 0) {
+      setChipGroupVisibility(ConstraintSet.VISIBLE);
+    }
+
+    chip.setText(recipient.getShortDisplayName(requireContext()));
+    chip.setContact(selectedContact);
+    chip.setCloseIconVisible(true);
+    chip.setOnCloseIconClickListener(view -> {
+      markContactUnselected(selectedContact);
+
+      if (onContactSelectedListener != null) {
+        onContactSelectedListener.onContactDeselected(Optional.of(recipient.getId()), recipient.getE164().orNull());
+      }
+    });
+
+    chipGroup.getLayoutTransition().addTransitionListener(new LayoutTransition.TransitionListener() {
+      @Override
+      public void startTransition(LayoutTransition transition, ViewGroup container, View view, int transitionType) {
+      }
+
+      @Override
+      public void endTransition(LayoutTransition transition, ViewGroup container, View view, int transitionType) {
+        if (view == chip && transitionType == LayoutTransition.APPEARING) {
+          chipGroup.getLayoutTransition().removeTransitionListener(this);
+          registerChipRecipientObserver(chip, recipient.live());
+          chipGroup.post(ContactSelectionListFragment.this::smoothScrollChipsToEnd);
+        }
+      }
+    });
+
+    chip.setAvatar(glideRequests, recipient, () -> addChip(chip));
+  }
+
+  private void addChip(@NonNull ContactChip chip) {
+    chipGroup.addView(chip);
+    updateGroupLimit(getChipCount());
+    if (selectionWarningLimitReachedExactly()) {
+      if (onSelectionLimitReachedListener != null) {
+        onSelectionLimitReachedListener.onSuggestedLimitReached(selectionLimit.getRecommendedLimit());
+      } else {
+        GroupLimitDialog.showRecommendedLimitMessage(requireContext());
+      }
+    }
+  }
+
+  private int getChipCount() {
+    int count = chipGroup.getChildCount() - CHIP_GROUP_EMPTY_CHILD_COUNT;
+    if (count < 0) throw new AssertionError();
+    return count;
+  }
+
+  private void registerChipRecipientObserver(@NonNull ContactChip chip, @Nullable LiveRecipient recipient) {
+    if (recipient != null) {
+      recipient.observe(getViewLifecycleOwner(), resolved -> {
+        if (chip.isAttachedToWindow()) {
+          chip.setAvatar(glideRequests, resolved, null);
+          chip.setText(resolved.getShortDisplayName(chip.getContext()));
+        }
+      });
+    }
+  }
+
+  private void setChipGroupVisibility(int visibility) {
+    if (!requireActivity().getIntent().getBooleanExtra(DISPLAY_CHIPS, true)) {
+      return;
+    }
+
+    TransitionManager.beginDelayedTransition(constraintLayout, new AutoTransition().setDuration(CHIP_GROUP_REVEAL_DURATION_MS));
+
+    ConstraintSet constraintSet = new ConstraintSet();
+    constraintSet.clone(constraintLayout);
+    constraintSet.setVisibility(R.id.chipGroupScrollContainer, visibility);
+    constraintSet.applyTo(constraintLayout);
   }
 
   public void setOnRefreshListener(SwipeRefreshLayout.OnRefreshListener onRefreshListener) {
     this.swipeRefresh.setOnRefreshListener(onRefreshListener);
   }
 
+  private void smoothScrollChipsToEnd() {
+    int x = chipGroupScrollContainer.getLayoutDirection() == View.LAYOUT_DIRECTION_LTR ? chipGroup.getWidth() : 0;
+    chipGroupScrollContainer.smoothScrollTo(x, 0);
+  }
+
   public interface OnContactSelectedListener {
-    void onContactSelected(Optional<RecipientId> recipientId, String number);
+    /** @return True if the contact is allowed to be selected, otherwise false. */
+    boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number);
     void onContactDeselected(Optional<RecipientId> recipientId, String number);
   }
 
-  public interface InviteCallback {
+  public interface OnSelectionLimitReachedListener {
+    void onSuggestedLimitReached(int limit);
+    void onHardLimitReached(int limit);
+  }
+
+  public interface ListCallback {
     void onInvite();
+    void onNewGroup(boolean forceV1);
+  }
+
+  public interface ScrollCallback {
+    void onBeginScroll();
   }
 }

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

@@ -1,101 +0,0 @@
-package org.thoughtcrime.securesms;
-
-import android.app.Activity;
-import android.os.Bundle;
-import androidx.annotation.NonNull;
-import androidx.fragment.app.ListFragment;
-import androidx.loader.app.LoaderManager;
-import androidx.loader.content.Loader;
-import android.text.Editable;
-import android.text.TextWatcher;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.EditText;
-import android.widget.ListView;
-import android.widget.SimpleAdapter;
-
-
-import org.thoughtcrime.securesms.database.loaders.CountryListLoader;
-
-import java.util.ArrayList;
-import java.util.Map;
-
-public class CountrySelectionFragment extends ListFragment implements LoaderManager.LoaderCallbacks<ArrayList<Map<String, String>>> {
-
-  private EditText countryFilter;
-  private CountrySelectedListener listener;
-
-  @Override
-  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle) {
-    return inflater.inflate(R.layout.country_selection_fragment, container, false);
-  }
-
-  @Override
-  public void onActivityCreated(Bundle bundle) {
-    super.onActivityCreated(bundle);
-    this.countryFilter = (EditText)getView().findViewById(R.id.country_search);
-    this.countryFilter.addTextChangedListener(new FilterWatcher());
-    getLoaderManager().initLoader(0, null, this).forceLoad();
-  }
-
-  @Override
-  public void onAttach(Activity activity) {
-    super.onAttach(activity);
-    this.listener = (CountrySelectedListener)activity;
-  }
-
-  @Override
-  public void onListItemClick(ListView listView, View view, int position, long id) {
-    Map<String, String> item = (Map<String, String>)this.getListAdapter().getItem(position);
-    if (this.listener != null) {
-      this.listener.countrySelected(item.get("country_name"),
-                                    Integer.parseInt(item.get("country_code").substring(1)));
-    }
-  }
-
-  @Override
-  public @NonNull Loader<ArrayList<Map<String, String>>> onCreateLoader(int arg0, Bundle arg1) {
-    return new CountryListLoader(getActivity());
-  }
-
-  @Override
-  public void onLoadFinished(@NonNull Loader<ArrayList<Map<String, String>>> loader,
-                             ArrayList<Map<String, String>> results)
-  {
-    String[] from = {"country_name", "country_code"};
-    int[] to      = {R.id.country_name, R.id.country_code};
-    this.setListAdapter(new SimpleAdapter(getActivity(), results, R.layout.country_list_item, from, to));
-
-    if (this.countryFilter != null && this.countryFilter.getText().length() != 0) {
-      ((SimpleAdapter)getListAdapter()).getFilter().filter(this.countryFilter.getText().toString());
-    }
-  }
-
-  @Override
-  public void onLoaderReset(@NonNull Loader<ArrayList<Map<String, String>>> arg0) {
-    this.setListAdapter(null);
-  }
-
-  public interface CountrySelectedListener {
-    public void countrySelected(String countryName, int countryCode);
-  }
-
-  private class FilterWatcher implements TextWatcher {
-
-    @Override
-    public void afterTextChanged(Editable s) {
-      if (getListAdapter() != null) {
-        ((SimpleAdapter)getListAdapter()).getFilter().filter(s.toString());
-      }
-    }
-
-    @Override
-    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
-    }
-
-    @Override
-    public void onTextChanged(CharSequence s, int start, int before, int count) {
-    }
-  }
-}

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

@@ -9,6 +9,7 @@ import android.content.ServiceConnection;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
+import android.os.Looper;
 import android.os.Message;
 import android.os.Parcelable;
 import android.view.View;
@@ -21,7 +22,7 @@ import org.thoughtcrime.securesms.database.SmsMigrator.ProgressDescription;
 import org.thoughtcrime.securesms.service.ApplicationMigrationService;
 import org.thoughtcrime.securesms.service.ApplicationMigrationService.ImportState;
 
-public class DatabaseMigrationActivity extends PassphraseRequiredActionBarActivity {
+public class DatabaseMigrationActivity extends PassphraseRequiredActivity {
 
   private final ImportServiceConnection serviceConnection  = new ImportServiceConnection();
   private final ImportStateHandler      importStateHandler = new ImportStateHandler();
@@ -150,7 +151,7 @@ public class DatabaseMigrationActivity extends PassphraseRequiredActionBarActivi
         startActivity((Intent)getIntent().getParcelableExtra("next_intent"));
       } else {
         // TODO [greyson] Navigation
-        startActivity(new Intent(this, MainActivity.class));
+        startActivity(MainActivity.clearTop(this));
       }
     }
 
@@ -158,6 +159,11 @@ public class DatabaseMigrationActivity extends PassphraseRequiredActionBarActivi
   }
 
   private class ImportStateHandler extends Handler {
+
+    public ImportStateHandler() {
+      super(Looper.getMainLooper());
+    }
+
     @Override
     public void handleMessage(Message message) {
       switch (message.what) {

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

@@ -18,12 +18,11 @@ import android.widget.Toast;
 import androidx.annotation.NonNull;
 import androidx.core.content.ContextCompat;
 
+import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.crypto.IdentityKeyUtil;
 import org.thoughtcrime.securesms.crypto.ProfileKeyUtil;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
-import org.thoughtcrime.securesms.logging.Log;
 import org.thoughtcrime.securesms.permissions.Permissions;
-import org.thoughtcrime.securesms.push.AccountManagerFactory;
 import org.thoughtcrime.securesms.qr.ScanListener;
 import org.thoughtcrime.securesms.util.Base64;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
@@ -42,7 +41,7 @@ import org.whispersystems.signalservice.internal.push.DeviceLimitExceededExcepti
 
 import java.io.IOException;
 
-public class DeviceActivity extends PassphraseRequiredActionBarActivity
+public class DeviceActivity extends PassphraseRequiredActivity
     implements Button.OnClickListener, ScanListener, DeviceLinkFragment.LinkClickedListener
 {
 

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

@@ -5,8 +5,6 @@ import android.annotation.TargetApi;
 import android.content.res.Configuration;
 import android.os.Build;
 import android.os.Bundle;
-import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewAnimationUtils;
@@ -15,12 +13,14 @@ import android.view.animation.DecelerateInterpolator;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 
+import androidx.annotation.NonNull;
+
 import org.thoughtcrime.securesms.components.camera.CameraView;
 import org.thoughtcrime.securesms.qr.ScanListener;
 import org.thoughtcrime.securesms.qr.ScanningThread;
 import org.thoughtcrime.securesms.util.ViewUtil;
 
-public class DeviceAddFragment extends Fragment {
+public class DeviceAddFragment extends LoggingFragment {
 
   private ViewGroup      container;
   private LinearLayout   overlay;
@@ -32,9 +32,9 @@ public class DeviceAddFragment extends Fragment {
   @Override
   public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup viewGroup, Bundle bundle) {
     this.container    = ViewUtil.inflate(inflater, viewGroup, R.layout.device_add_fragment);
-    this.overlay      = ViewUtil.findById(this.container, R.id.overlay);
-    this.scannerView  = ViewUtil.findById(this.container, R.id.scanner);
-    this.devicesImage = ViewUtil.findById(this.container, R.id.devices);
+    this.overlay      = this.container.findViewById(R.id.overlay);
+    this.scannerView  = this.container.findViewById(R.id.scanner);
+    this.devicesImage = this.container.findViewById(R.id.devices);
 
     if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
       this.overlay.setOrientation(LinearLayout.HORIZONTAL);

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

@@ -3,13 +3,14 @@ package org.thoughtcrime.securesms;
 import android.content.res.Configuration;
 import android.net.Uri;
 import android.os.Bundle;
-import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.LinearLayout;
 
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+
 public class DeviceLinkFragment extends Fragment implements View.OnClickListener {
 
   private LinearLayout        container;

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

@@ -6,15 +6,6 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import androidx.annotation.NonNull;
-import androidx.fragment.app.ListFragment;
-import androidx.loader.app.LoaderManager;
-import androidx.loader.content.Loader;
-import androidx.appcompat.app.AlertDialog;
-
-import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
-import org.thoughtcrime.securesms.devicelist.Device;
-import org.thoughtcrime.securesms.logging.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -24,12 +15,20 @@ import android.widget.Button;
 import android.widget.ListView;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.fragment.app.ListFragment;
+import androidx.loader.app.LoaderManager;
+import androidx.loader.content.Loader;
+
 import com.melnykov.fab.FloatingActionButton;
 
+import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.database.loaders.DeviceListLoader;
-import org.thoughtcrime.securesms.util.task.ProgressDialogAsyncTask;
+import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
+import org.thoughtcrime.securesms.devicelist.Device;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
-import org.thoughtcrime.securesms.util.ViewUtil;
+import org.thoughtcrime.securesms.util.task.ProgressDialogAsyncTask;
 import org.whispersystems.signalservice.api.SignalServiceAccountManager;
 
 import java.io.IOException;
@@ -53,7 +52,7 @@ public class DeviceListFragment extends ListFragment
   @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
-    this.locale = (Locale) getArguments().getSerializable(PassphraseRequiredActionBarActivity.LOCALE_EXTRA);
+    this.locale = (Locale) getArguments().getSerializable(PassphraseRequiredActivity.LOCALE_EXTRA);
   }
 
   @Override
@@ -68,7 +67,7 @@ public class DeviceListFragment extends ListFragment
 
     this.empty             = view.findViewById(R.id.empty);
     this.progressContainer = view.findViewById(R.id.progress_container);
-    this.addDeviceButton   = ViewUtil.findById(view, R.id.add_device);
+    this.addDeviceButton   = view.findViewById(R.id.add_device);
     this.addDeviceButton.setOnClickListener(this);
 
     return view;
@@ -164,25 +163,29 @@ public class DeviceListFragment extends ListFragment
 
   @SuppressLint("StaticFieldLeak")
   private void handleDisconnectDevice(final long deviceId) {
-    new ProgressDialogAsyncTask<Void, Void, Void>(getActivity(),
-                                                  R.string.DeviceListActivity_unlinking_device_no_ellipsis,
-                                                  R.string.DeviceListActivity_unlinking_device)
+    new ProgressDialogAsyncTask<Void, Void, Boolean>(getActivity(),
+                                                     R.string.DeviceListActivity_unlinking_device_no_ellipsis,
+                                                     R.string.DeviceListActivity_unlinking_device)
     {
       @Override
-      protected Void doInBackground(Void... params) {
+      protected Boolean doInBackground(Void... params) {
         try {
           accountManager.removeDevice(deviceId);
+          return true;
         } catch (IOException e) {
           Log.w(TAG, e);
-          Toast.makeText(getActivity(), R.string.DeviceListActivity_network_failed, Toast.LENGTH_LONG).show();
+          return false;
         }
-        return null;
       }
 
       @Override
-      protected void onPostExecute(Void result) {
+      protected void onPostExecute(Boolean result) {
         super.onPostExecute(result);
-        getLoaderManager().restartLoader(0, null, DeviceListFragment.this);
+        if (result) {
+          getLoaderManager().restartLoader(0, null, DeviceListFragment.this);
+        } else {
+          Toast.makeText(getActivity(), R.string.DeviceListActivity_network_failed, Toast.LENGTH_LONG).show();
+        }
       }
     }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }

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

@@ -2,10 +2,11 @@ package org.thoughtcrime.securesms;
 
 import android.content.Intent;
 import android.os.Bundle;
-import androidx.appcompat.app.AlertDialog;
 import android.view.Window;
 
-public class DeviceProvisioningActivity extends PassphraseRequiredActionBarActivity {
+import androidx.appcompat.app.AlertDialog;
+
+public class DeviceProvisioningActivity extends PassphraseRequiredActivity {
 
   @SuppressWarnings("unused")
   private static final String TAG = DeviceProvisioningActivity.class.getSimpleName();
@@ -17,9 +18,6 @@ public class DeviceProvisioningActivity extends PassphraseRequiredActionBarActiv
 
   @Override
   protected void onCreate(Bundle bundle, boolean ready) {
-    assert  getSupportActionBar() != null;
-    getSupportActionBar().hide();
-
     AlertDialog dialog = new AlertDialog.Builder(this)
         .setTitle(getString(R.string.DeviceProvisioningActivity_link_a_signal_device))
         .setMessage(getString(R.string.DeviceProvisioningActivity_it_looks_like_youre_trying_to_link_a_signal_device_using_a_3rd_party_scanner))
@@ -29,7 +27,7 @@ public class DeviceProvisioningActivity extends PassphraseRequiredActionBarActiv
           startActivity(intent);
           finish();
         })
-        .setNegativeButton(R.string.DeviceProvisioningActivity_cancel, (dialog12, which) -> {
+        .setNegativeButton(android.R.string.cancel, (dialog12, which) -> {
           dialog12.dismiss();
           finish();
         })

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

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

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

@@ -1,619 +0,0 @@
-/*
- * Copyright (C) 2014 Open Whisper Systems
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.thoughtcrime.securesms;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.graphics.drawable.Drawable;
-import android.os.AsyncTask;
-import android.os.Bundle;
-import android.text.TextUtils;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.widget.EditText;
-import android.widget.ImageView;
-import android.widget.ListView;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.core.content.ContextCompat;
-
-import com.bumptech.glide.load.engine.DiskCacheStrategy;
-import com.bumptech.glide.request.target.SimpleTarget;
-import com.bumptech.glide.request.transition.Transition;
-
-import org.thoughtcrime.securesms.components.PushRecipientsPanel;
-import org.thoughtcrime.securesms.components.PushRecipientsPanel.RecipientsPanelChangedListener;
-import org.thoughtcrime.securesms.contacts.ContactsCursorLoader.DisplayMode;
-import org.thoughtcrime.securesms.contacts.RecipientsEditor;
-import org.thoughtcrime.securesms.contacts.avatars.ContactColors;
-import org.thoughtcrime.securesms.contacts.avatars.ResourceContactPhoto;
-import org.thoughtcrime.securesms.conversation.ConversationActivity;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.database.GroupDatabase;
-import org.thoughtcrime.securesms.database.GroupDatabase.GroupRecord;
-import org.thoughtcrime.securesms.database.RecipientDatabase;
-import org.thoughtcrime.securesms.database.ThreadDatabase;
-import org.thoughtcrime.securesms.groups.GroupId;
-import org.thoughtcrime.securesms.groups.GroupManager;
-import org.thoughtcrime.securesms.groups.GroupManager.GroupActionResult;
-import org.thoughtcrime.securesms.logging.Log;
-import org.thoughtcrime.securesms.mediasend.AvatarSelectionActivity;
-import org.thoughtcrime.securesms.mediasend.AvatarSelectionBottomSheetDialogFragment;
-import org.thoughtcrime.securesms.mediasend.Media;
-import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
-import org.thoughtcrime.securesms.mms.GlideApp;
-import org.thoughtcrime.securesms.profiles.AvatarHelper;
-import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.recipients.RecipientId;
-import org.thoughtcrime.securesms.util.BitmapUtil;
-import org.thoughtcrime.securesms.util.DynamicLanguage;
-import org.thoughtcrime.securesms.util.DynamicTheme;
-import org.thoughtcrime.securesms.util.SelectedRecipientsAdapter;
-import org.thoughtcrime.securesms.util.SelectedRecipientsAdapter.OnRecipientDeletedListener;
-import org.thoughtcrime.securesms.util.TextSecurePreferences;
-import org.thoughtcrime.securesms.util.ViewUtil;
-import org.thoughtcrime.securesms.util.task.ProgressDialogAsyncTask;
-import org.whispersystems.libsignal.util.guava.Optional;
-import org.whispersystems.signalservice.api.util.InvalidNumberException;
-
-import java.io.IOException;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Set;
-
-/**
- * Activity to create and update groups
- *
- * @author Jake McGinty
- */
-public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
-                                 implements OnRecipientDeletedListener,
-                                            RecipientsPanelChangedListener
-{
-
-  private final static String TAG = GroupCreateActivity.class.getSimpleName();
-
-  public static final String GROUP_ID_EXTRA      = "group_id";
-  public static final String GROUP_THREAD_EXTRA  = "group_thread";
-
-  private final DynamicTheme    dynamicTheme    = new DynamicTheme();
-  private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
-
-  private static final short REQUEST_CODE_SELECT_AVATAR = 26165;
-  private static final int   PICK_CONTACT               = 1;
-
-  private EditText     groupName;
-  private ListView     lv;
-  private ImageView    avatar;
-  private TextView     creatingText;
-  private Bitmap       avatarBmp;
-
-  @NonNull private Optional<GroupData> groupToUpdate = Optional.absent();
-
-  @Override
-  protected void onPreCreate() {
-    dynamicTheme.onCreate(this);
-    dynamicLanguage.onCreate(this);
-  }
-
-  @Override
-  protected void onCreate(Bundle state, boolean ready) {
-    setContentView(R.layout.group_create_activity);
-    //noinspection ConstantConditions
-    initializeAppBar();
-    initializeResources();
-    initializeExistingGroup();
-  }
-
-  @Override
-  public void onResume() {
-    super.onResume();
-    dynamicTheme.onResume(this);
-    dynamicLanguage.onResume(this);
-    updateViewState();
-  }
-
-  private boolean isSignalGroup() {
-    return TextSecurePreferences.isPushRegistered(this) && !getAdapter().hasNonPushMembers();
-  }
-
-  private void disableSignalGroupViews(int reasonResId) {
-    View pushDisabled = findViewById(R.id.push_disabled);
-    pushDisabled.setVisibility(View.VISIBLE);
-    ((TextView) findViewById(R.id.push_disabled_reason)).setText(reasonResId);
-    avatar.setEnabled(false);
-    groupName.setEnabled(false);
-  }
-
-  private void enableSignalGroupViews() {
-    findViewById(R.id.push_disabled).setVisibility(View.GONE);
-    avatar.setEnabled(true);
-    groupName.setEnabled(true);
-  }
-
-  @SuppressWarnings("ConstantConditions")
-  private void updateViewState() {
-    if (!TextSecurePreferences.isPushRegistered(this)) {
-      disableSignalGroupViews(R.string.GroupCreateActivity_youre_not_registered_for_signal);
-      getSupportActionBar().setTitle(R.string.GroupCreateActivity_actionbar_mms_title);
-    } else if (getAdapter().hasNonPushMembers()) {
-      disableSignalGroupViews(R.string.GroupCreateActivity_contacts_dont_support_push);
-      getSupportActionBar().setTitle(R.string.GroupCreateActivity_actionbar_mms_title);
-    } else {
-      enableSignalGroupViews();
-      getSupportActionBar().setTitle(groupToUpdate.isPresent()
-                                     ? R.string.GroupCreateActivity_actionbar_edit_title
-                                     : R.string.GroupCreateActivity_actionbar_title);
-    }
-  }
-
-  private static boolean isActiveInDirectory(Recipient recipient) {
-    return recipient.resolve().getRegistered() == RecipientDatabase.RegisteredState.REGISTERED;
-  }
-
-  private void addSelectedContacts(@NonNull Recipient... recipients) {
-    new AddMembersTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, recipients);
-  }
-
-  private void addSelectedContacts(@NonNull Collection<Recipient> recipients) {
-    addSelectedContacts(recipients.toArray(new Recipient[recipients.size()]));
-  }
-
-  private void initializeAppBar() {
-    Drawable upIcon = ContextCompat.getDrawable(this, R.drawable.ic_arrow_left_24);
-    getSupportActionBar().setHomeAsUpIndicator(upIcon);
-    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-  }
-
-  private void initializeResources() {
-    RecipientsEditor    recipientsEditor = ViewUtil.findById(this, R.id.recipients_text);
-    PushRecipientsPanel recipientsPanel  = ViewUtil.findById(this, R.id.recipients);
-    lv           = ViewUtil.findById(this, R.id.selected_contacts_list);
-    avatar       = ViewUtil.findById(this, R.id.avatar);
-    groupName    = ViewUtil.findById(this, R.id.group_name);
-    creatingText = ViewUtil.findById(this, R.id.creating_group_text);
-    SelectedRecipientsAdapter adapter = new SelectedRecipientsAdapter(this);
-    adapter.setOnRecipientDeletedListener(this);
-    lv.setAdapter(adapter);
-    recipientsEditor.setHint(R.string.recipients_panel__add_members);
-    recipientsPanel.setPanelChangeListener(this);
-    findViewById(R.id.contacts_button).setOnClickListener(new AddRecipientButtonListener());
-    avatar.setImageDrawable(getDefaultGroupAvatar());
-    avatar.setOnClickListener(view -> AvatarSelectionBottomSheetDialogFragment.create(avatarBmp != null, false, REQUEST_CODE_SELECT_AVATAR).show(getSupportFragmentManager(), null));
-  }
-
-  private Drawable getDefaultGroupAvatar() {
-    return new ResourceContactPhoto(R.drawable.ic_group_outline_34, R.drawable.ic_group_outline_20).asDrawable(this, ContactColors.UNKNOWN_COLOR.toConversationColor(this));
-  }
-
-  private void initializeExistingGroup() {
-    final GroupId groupId = GroupId.parseNullable(getIntent().getStringExtra(GROUP_ID_EXTRA));
-
-    if (groupId != null) {
-      new FillExistingGroupInfoAsyncTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, groupId);
-    }
-  }
-
-  @Override
-  public boolean onPrepareOptionsMenu(Menu menu) {
-    MenuInflater inflater = this.getMenuInflater();
-    menu.clear();
-
-    inflater.inflate(R.menu.group_create, menu);
-    super.onPrepareOptionsMenu(menu);
-    return true;
-  }
-
-  @Override
-  public boolean onOptionsItemSelected(MenuItem item) {
-    super.onOptionsItemSelected(item);
-    switch (item.getItemId()) {
-      case android.R.id.home:
-        finish();
-        return true;
-      case R.id.menu_create_group:
-        if (groupToUpdate.isPresent()) handleGroupUpdate();
-        else                           handleGroupCreate();
-        return true;
-    }
-
-    return false;
-  }
-
-  @Override
-  public void onRecipientDeleted(Recipient recipient) {
-    getAdapter().remove(recipient);
-    updateViewState();
-  }
-
-  @Override
-  public void onRecipientsPanelUpdate(List<Recipient> recipients) {
-    if (recipients != null && !recipients.isEmpty()) addSelectedContacts(recipients);
-  }
-
-  private void handleGroupCreate() {
-    if (getAdapter().getCount() < 1) {
-      Log.i(TAG, getString(R.string.GroupCreateActivity_contacts_no_members));
-      Toast.makeText(getApplicationContext(), R.string.GroupCreateActivity_contacts_no_members, Toast.LENGTH_SHORT).show();
-      return;
-    }
-    if (isSignalGroup()) {
-      new CreateSignalGroupTask(this, avatarBmp, getGroupName(), getAdapter().getRecipients()).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    } else {
-      new CreateMmsGroupTask(this, getAdapter().getRecipients()).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    }
-  }
-
-  private void handleGroupUpdate() {
-    new UpdateSignalGroupTask(this, groupToUpdate.get().id, avatarBmp,
-                              getGroupName(), getAdapter().getRecipients()).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-  }
-
-  private void handleOpenConversation(long threadId, Recipient recipient) {
-    Intent intent = new Intent(this, ConversationActivity.class);
-    intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, threadId);
-    intent.putExtra(ConversationActivity.DISTRIBUTION_TYPE_EXTRA, ThreadDatabase.DistributionTypes.DEFAULT);
-    intent.putExtra(ConversationActivity.RECIPIENT_EXTRA, recipient.getId());
-    startActivity(intent);
-    finish();
-  }
-
-  private SelectedRecipientsAdapter getAdapter() {
-    return (SelectedRecipientsAdapter)lv.getAdapter();
-  }
-
-  private @Nullable String getGroupName() {
-    return groupName.getText() != null ? groupName.getText().toString() : null;
-  }
-
-  @Override
-  public void onActivityResult(int reqCode, int resultCode, final Intent data) {
-    super.onActivityResult(reqCode, resultCode, data);
-
-    if (data == null || resultCode != Activity.RESULT_OK)
-      return;
-
-    switch (reqCode) {
-      case PICK_CONTACT:
-        List<RecipientId> selected = data.getParcelableArrayListExtra(PushContactSelectionActivity.KEY_SELECTED_RECIPIENTS);
-
-        for (RecipientId contact : selected) {
-          Recipient recipient = Recipient.resolved(contact);
-          addSelectedContacts(recipient);
-        }
-
-        break;
-      case REQUEST_CODE_SELECT_AVATAR:
-        if (data.getBooleanExtra("delete", false)) {
-          avatarBmp = null;
-          avatar.setImageDrawable(getDefaultGroupAvatar());
-          return;
-        }
-
-        final Media          result         = data.getParcelableExtra(AvatarSelectionActivity.EXTRA_MEDIA);
-        final DecryptableUri decryptableUri = new DecryptableUri(result.getUri());
-
-        GlideApp.with(this)
-                .asBitmap()
-                .load(decryptableUri)
-                .skipMemoryCache(true)
-                .diskCacheStrategy(DiskCacheStrategy.NONE)
-                .centerCrop()
-                .override(AvatarHelper.AVATAR_DIMENSIONS, AvatarHelper.AVATAR_DIMENSIONS)
-                .into(new SimpleTarget<Bitmap>() {
-                  @Override
-                  public void onResourceReady(@NonNull Bitmap resource, Transition<? super Bitmap> transition) {
-                    setAvatar(decryptableUri, resource);
-                  }
-                });
-    }
-  }
-
-  private class AddRecipientButtonListener implements View.OnClickListener {
-    @Override
-    public void onClick(View v) {
-      Intent intent = new Intent(GroupCreateActivity.this, PushContactSelectionActivity.class);
-      if (groupToUpdate.isPresent()) {
-        intent.putExtra(ContactSelectionListFragment.DISPLAY_MODE, DisplayMode.FLAG_PUSH);
-      } else {
-        intent.putExtra(ContactSelectionListFragment.DISPLAY_MODE, DisplayMode.FLAG_PUSH | DisplayMode.FLAG_SMS);
-      }
-      startActivityForResult(intent, PICK_CONTACT);
-    }
-  }
-
-  private static class CreateMmsGroupTask extends AsyncTask<Void,Void,GroupActionResult> {
-    private final GroupCreateActivity activity;
-    private final Set<Recipient>      members;
-
-    public CreateMmsGroupTask(GroupCreateActivity activity, Set<Recipient> members) {
-      this.activity     = activity;
-      this.members      = members;
-    }
-
-    @Override
-    protected GroupActionResult doInBackground(Void... avoid) {
-      List<RecipientId> memberAddresses = new LinkedList<>();
-
-      for (Recipient recipient : members) {
-        memberAddresses.add(recipient.getId());
-      }
-      memberAddresses.add(Recipient.self().getId());
-
-      GroupId.Mms groupId          = DatabaseFactory.getGroupDatabase(activity).getOrCreateMmsGroupForMembers(memberAddresses);
-      RecipientId groupRecipientId = DatabaseFactory.getRecipientDatabase(activity).getOrInsertFromGroupId(groupId);
-      Recipient   groupRecipient   = Recipient.resolved(groupRecipientId);
-      long        threadId         = DatabaseFactory.getThreadDatabase(activity).getThreadIdFor(groupRecipient, ThreadDatabase.DistributionTypes.DEFAULT);
-
-      return new GroupActionResult(groupRecipient, threadId);
-    }
-
-    @Override
-    protected void onPostExecute(GroupActionResult result) {
-      activity.handleOpenConversation(result.getThreadId(), result.getGroupRecipient());
-    }
-
-    @Override
-    protected void onProgressUpdate(Void... values) {
-      super.onProgressUpdate(values);
-    }
-  }
-
-  private abstract static class SignalGroupTask extends AsyncTask<Void,Void,Optional<GroupActionResult>> {
-
-    protected GroupCreateActivity activity;
-    protected Bitmap              avatar;
-    protected Set<Recipient>      members;
-    protected String              name;
-
-    public SignalGroupTask(GroupCreateActivity activity,
-                           Bitmap              avatar,
-                           String              name,
-                           Set<Recipient>      members)
-    {
-      this.activity     = activity;
-      this.avatar       = avatar;
-      this.name         = name;
-      this.members      = members;
-    }
-
-    @Override
-    protected void onPreExecute() {
-      activity.findViewById(R.id.group_details_layout).setVisibility(View.GONE);
-      activity.findViewById(R.id.creating_group_layout).setVisibility(View.VISIBLE);
-      activity.findViewById(R.id.menu_create_group).setVisibility(View.GONE);
-        final int titleResId = activity.groupToUpdate.isPresent()
-                             ? R.string.GroupCreateActivity_updating_group
-                             : R.string.GroupCreateActivity_creating_group;
-        activity.creatingText.setText(activity.getString(titleResId, activity.getGroupName()));
-      }
-
-    @Override
-    protected void onPostExecute(Optional<GroupActionResult> groupActionResultOptional) {
-      if (activity.isFinishing()) return;
-      activity.findViewById(R.id.group_details_layout).setVisibility(View.VISIBLE);
-      activity.findViewById(R.id.creating_group_layout).setVisibility(View.GONE);
-      activity.findViewById(R.id.menu_create_group).setVisibility(View.VISIBLE);
-    }
-  }
-
-  private static class CreateSignalGroupTask extends SignalGroupTask {
-    public CreateSignalGroupTask(GroupCreateActivity activity, Bitmap avatar, String name, Set<Recipient> members) {
-      super(activity, avatar, name, members);
-    }
-
-    @Override
-    protected Optional<GroupActionResult> doInBackground(Void... aVoid) {
-      return Optional.of(GroupManager.createGroup(activity, members, avatar, name, false));
-    }
-
-    @Override
-    protected void onPostExecute(Optional<GroupActionResult> result) {
-      if (result.isPresent() && result.get().getThreadId() > -1) {
-        if (!activity.isFinishing()) {
-          activity.handleOpenConversation(result.get().getThreadId(), result.get().getGroupRecipient());
-        }
-      } else {
-        super.onPostExecute(result);
-        Toast.makeText(activity.getApplicationContext(),
-                       R.string.GroupCreateActivity_contacts_invalid_number, Toast.LENGTH_LONG).show();
-      }
-    }
-  }
-
-  private static class UpdateSignalGroupTask extends SignalGroupTask {
-    private final GroupId groupId;
-
-    public UpdateSignalGroupTask(GroupCreateActivity activity, GroupId groupId,
-                                 Bitmap avatar, String name, Set<Recipient> members)
-    {
-      super(activity, avatar, name, members);
-      this.groupId = groupId;
-    }
-
-    @Override
-    protected Optional<GroupActionResult> doInBackground(Void... aVoid) {
-      try {
-        return Optional.of(GroupManager.updateGroup(activity, groupId, members, avatar, name));
-      } catch (InvalidNumberException e) {
-        return Optional.absent();
-      }
-    }
-
-    @Override
-    protected void onPostExecute(Optional<GroupActionResult> result) {
-      if (result.isPresent() && result.get().getThreadId() > -1) {
-        if (!activity.isFinishing()) {
-          Intent intent = activity.getIntent();
-          intent.putExtra(GROUP_THREAD_EXTRA, result.get().getThreadId());
-          intent.putExtra(GROUP_ID_EXTRA, result.get().getGroupRecipient().requireGroupId().toString());
-          activity.setResult(RESULT_OK, intent);
-          activity.finish();
-        }
-      } else {
-        super.onPostExecute(result);
-        Toast.makeText(activity.getApplicationContext(),
-                       R.string.GroupCreateActivity_contacts_invalid_number, Toast.LENGTH_LONG).show();
-      }
-    }
-  }
-
-  private static class AddMembersTask extends AsyncTask<Recipient,Void,List<AddMembersTask.Result>> {
-    static class Result {
-      Optional<Recipient> recipient;
-      boolean             isPush;
-      String              reason;
-
-      public Result(@Nullable Recipient recipient, boolean isPush, @Nullable String reason) {
-        this.recipient = Optional.fromNullable(recipient);
-        this.isPush    = isPush;
-        this.reason    = reason;
-      }
-    }
-
-    private GroupCreateActivity activity;
-    private boolean             failIfNotPush;
-
-    public AddMembersTask(@NonNull GroupCreateActivity activity) {
-      this.activity      = activity;
-      this.failIfNotPush = activity.groupToUpdate.isPresent();
-    }
-
-    @Override
-    protected List<Result> doInBackground(Recipient... recipients) {
-      final List<Result> results = new LinkedList<>();
-
-      for (Recipient recipient : recipients) {
-        boolean isPush = isActiveInDirectory(recipient);
-
-        if (failIfNotPush && !isPush) {
-          results.add(new Result(null, false, activity.getString(R.string.GroupCreateActivity_cannot_add_non_push_to_existing_group,
-                                                                 recipient.toShortString(activity))));
-        } else if (TextUtils.equals(TextSecurePreferences.getLocalNumber(activity), recipient.getE164().or(""))) {
-          results.add(new Result(null, false, activity.getString(R.string.GroupCreateActivity_youre_already_in_the_group)));
-        } else {
-          results.add(new Result(recipient, isPush, null));
-        }
-      }
-      return results;
-    }
-
-    @Override
-    protected void onPostExecute(List<Result> results) {
-      if (activity.isFinishing()) return;
-
-      for (Result result : results) {
-        if (result.recipient.isPresent()) {
-          activity.getAdapter().add(result.recipient.get(), result.isPush);
-        } else {
-          Toast.makeText(activity, result.reason, Toast.LENGTH_SHORT).show();
-        }
-      }
-      activity.updateViewState();
-    }
-  }
-
-  private static class FillExistingGroupInfoAsyncTask extends ProgressDialogAsyncTask<GroupId, Void, Optional<GroupData>> {
-    private GroupCreateActivity activity;
-
-    public FillExistingGroupInfoAsyncTask(GroupCreateActivity activity) {
-      super(activity,
-            R.string.GroupCreateActivity_loading_group_details,
-            R.string.please_wait);
-      this.activity = activity;
-    }
-
-    @Override
-    protected Optional<GroupData> doInBackground(GroupId... groupIds) {
-      final GroupDatabase         db               = DatabaseFactory.getGroupDatabase(activity);
-      final List<Recipient>       recipients       = db.getGroupMembers(groupIds[0], GroupDatabase.MemberSet.FULL_MEMBERS_EXCLUDING_SELF);
-      final Optional<GroupRecord> group            = db.getGroup(groupIds[0]);
-      final Set<Recipient>        existingContacts = new HashSet<>(recipients.size());
-      existingContacts.addAll(recipients);
-
-      if (group.isPresent()) {
-        Bitmap avatar = null;
-        try {
-          avatar = BitmapFactory.decodeStream(AvatarHelper.getAvatar(getContext(), group.get().getRecipientId()));
-        } catch (IOException e) {
-          Log.w(TAG, "Failed to read avatar.");
-        }
-        return Optional.of(new GroupData(groupIds[0],
-                                         existingContacts,
-                                         avatar,
-                                         BitmapUtil.toByteArray(avatar),
-                                         group.get().getTitle()));
-      } else {
-        return Optional.absent();
-      }
-    }
-
-    @Override
-    protected void onPostExecute(Optional<GroupData> group) {
-      super.onPostExecute(group);
-
-      if (group.isPresent() && !activity.isFinishing()) {
-        activity.groupToUpdate = group;
-
-        activity.groupName.setText(group.get().name);
-        if (group.get().avatarBmp != null) {
-          activity.setAvatar(group.get().avatarBytes, group.get().avatarBmp);
-        }
-        SelectedRecipientsAdapter adapter = new SelectedRecipientsAdapter(activity, group.get().recipients);
-        adapter.setOnRecipientDeletedListener(activity);
-        activity.lv.setAdapter(adapter);
-        activity.updateViewState();
-      }
-    }
-  }
-
-  private <T> void setAvatar(T model, Bitmap bitmap) {
-    avatarBmp = bitmap;
-    GlideApp.with(this)
-            .load(model)
-            .circleCrop()
-            .skipMemoryCache(true)
-            .diskCacheStrategy(DiskCacheStrategy.NONE)
-            .into(avatar);
-  }
-
-  private static class GroupData {
-    GroupId        id;
-    Set<Recipient> recipients;
-    Bitmap         avatarBmp;
-    byte[]         avatarBytes;
-    String         name;
-
-    GroupData(GroupId id, Set<Recipient> recipients, Bitmap avatarBmp, byte[] avatarBytes, String name) {
-      this.id          = id;
-      this.recipients  = recipients;
-      this.avatarBmp   = avatarBmp;
-      this.avatarBytes = avatarBytes;
-      this.name        = name;
-    }
-  }
-}

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

@@ -1,79 +1,57 @@
 package org.thoughtcrime.securesms;
 
-import android.content.Context;
-import android.content.Intent;
-
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
-import androidx.lifecycle.Lifecycle;
+import androidx.fragment.app.FragmentActivity;
+import androidx.lifecycle.LiveData;
 
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.database.GroupDatabase;
+import org.thoughtcrime.securesms.groups.LiveGroup;
 import org.thoughtcrime.securesms.groups.ui.GroupMemberEntry;
 import org.thoughtcrime.securesms.groups.ui.GroupMemberListView;
 import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.recipients.RecipientExporter;
-import org.thoughtcrime.securesms.util.concurrent.SimpleTask;
+import org.thoughtcrime.securesms.recipients.ui.bottomsheet.RecipientBottomSheetDialogFragment;
 
-import java.util.ArrayList;
+import java.util.List;
 
 public final class GroupMembersDialog {
 
-  private final Context   context;
-  private final Recipient groupRecipient;
-  private final Lifecycle lifecycle;
+  private final FragmentActivity fragmentActivity;
+  private final Recipient        groupRecipient;
 
-  public GroupMembersDialog(@NonNull Context context,
-                            @NonNull Recipient groupRecipient,
-                            @NonNull Lifecycle lifecycle)
+  public GroupMembersDialog(@NonNull FragmentActivity activity,
+                            @NonNull Recipient groupRecipient)
   {
-    this.context        = context;
-    this.groupRecipient = groupRecipient;
-    this.lifecycle      = lifecycle;
+    this.fragmentActivity = activity;
+    this.groupRecipient   = groupRecipient;
   }
 
   public void display() {
-    SimpleTask.run(
-      lifecycle,
-      () -> DatabaseFactory.getGroupDatabase(context).getGroupMembers(groupRecipient.requireGroupId(), GroupDatabase.MemberSet.FULL_MEMBERS_INCLUDING_SELF),
-      members -> {
-        AlertDialog dialog = new AlertDialog.Builder(context)
-                                            .setTitle(R.string.ConversationActivity_group_members)
-                                            .setIconAttribute(R.attr.group_members_dialog_icon)
-                                            .setCancelable(true)
-                                            .setView(R.layout.dialog_group_members)
-                                            .setPositiveButton(android.R.string.ok, null)
-                                            .show();
+    AlertDialog dialog = new AlertDialog.Builder(fragmentActivity)
+                                        .setTitle(R.string.ConversationActivity_group_members)
+                                        .setIcon(R.drawable.ic_group_24)
+                                        .setCancelable(true)
+                                        .setView(R.layout.dialog_group_members)
+                                        .setPositiveButton(android.R.string.ok, null)
+                                        .show();
 
-        GroupMemberListView memberListView = dialog.findViewById(R.id.list_members);
+    GroupMemberListView memberListView = dialog.findViewById(R.id.list_members);
 
-        ArrayList<GroupMemberEntry.FullMember> pendingMembers = new ArrayList<>(members.size());
-        for (Recipient member : members) {
-          GroupMemberEntry.FullMember entry = new GroupMemberEntry.FullMember(member);
+    LiveGroup                                   liveGroup   = new LiveGroup(groupRecipient.requireGroupId());
+    LiveData<List<GroupMemberEntry.FullMember>> fullMembers = liveGroup.getFullMembers();
 
-          entry.setOnClick(() -> contactClick(member));
+    //noinspection ConstantConditions
+    fullMembers.observe(fragmentActivity, memberListView::setMembers);
 
-          if (member.isLocalNumber()) {
-            pendingMembers.add(0, entry);
-          } else {
-            pendingMembers.add(entry);
-          }
-        }
+    dialog.setOnDismissListener(d -> fullMembers.removeObservers(fragmentActivity));
 
-        //noinspection ConstantConditions
-        memberListView.setMembers(pendingMembers);
-      }
-    );
+    memberListView.setRecipientClickListener(recipient -> {
+      dialog.dismiss();
+      contactClick(recipient);
+    });
   }
 
   private void contactClick(@NonNull Recipient recipient) {
-    if (recipient.getContactUri() != null) {
-      Intent intent = new Intent(context, RecipientPreferenceActivity.class);
-      intent.putExtra(RecipientPreferenceActivity.RECIPIENT_ID, recipient.getId());
-
-      context.startActivity(intent);
-    } else {
-      context.startActivity(RecipientExporter.export(recipient).asAddContactIntent());
-    }
+    RecipientBottomSheetDialogFragment.create(recipient.getId(), groupRecipient.requireGroupId())
+                                      .show(fragmentActivity.getSupportFragmentManager(), "BOTTOM");
   }
 }

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

@@ -22,13 +22,12 @@ import androidx.appcompat.widget.Toolbar;
 import androidx.core.content.ContextCompat;
 import androidx.interpolator.view.animation.FastOutSlowInInterpolator;
 
-import com.annimon.stream.Stream;
-
 import org.thoughtcrime.securesms.components.ContactFilterToolbar;
 import org.thoughtcrime.securesms.components.ContactFilterToolbar.OnFilterChangedListener;
 import org.thoughtcrime.securesms.contacts.ContactsCursorLoader.DisplayMode;
 import org.thoughtcrime.securesms.contacts.SelectedContact;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
+import org.thoughtcrime.securesms.groups.SelectionLimits;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientId;
 import org.thoughtcrime.securesms.sms.MessageSender;
@@ -36,6 +35,7 @@ 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;
@@ -44,7 +44,7 @@ import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.util.concurrent.ExecutionException;
 
-public class InviteActivity extends PassphraseRequiredActionBarActivity implements ContactSelectionListFragment.OnContactSelectedListener {
+public class InviteActivity extends PassphraseRequiredActivity implements ContactSelectionListFragment.OnContactSelectedListener {
 
   private ContactSelectionListFragment contactsFragment;
   private EditText                     inviteText;
@@ -64,7 +64,8 @@ public class InviteActivity extends PassphraseRequiredActionBarActivity implemen
   @Override
   protected void onCreate(Bundle savedInstanceState, boolean ready) {
     getIntent().putExtra(ContactSelectionListFragment.DISPLAY_MODE, DisplayMode.FLAG_SMS);
-    getIntent().putExtra(ContactSelectionListFragment.MULTI_SELECT, true);
+    getIntent().putExtra(ContactSelectionListFragment.SELECTION_LIMITS, SelectionLimits.NO_LIMITS);
+    getIntent().putExtra(ContactSelectionListFragment.HIDE_COUNT, true);
     getIntent().putExtra(ContactSelectionListFragment.REFRESHABLE, false);
 
     setContentView(R.layout.invite_activity);
@@ -93,26 +94,32 @@ public class InviteActivity extends PassphraseRequiredActionBarActivity implemen
     slideInAnimation  = loadAnimation(R.anim.slide_from_bottom);
     slideOutAnimation = loadAnimation(R.anim.slide_to_bottom);
 
-    View                 shareButton     = ViewUtil.findById(this, R.id.share_button);
-    View                 smsButton       = ViewUtil.findById(this, R.id.sms_button);
-    Button               smsCancelButton = ViewUtil.findById(this, R.id.cancel_sms_button);
-    ContactFilterToolbar contactFilter   = ViewUtil.findById(this, R.id.contact_filter);
+    View                 shareButton     = findViewById(R.id.share_button);
+    Button               smsButton       = findViewById(R.id.sms_button);
+    Button               smsCancelButton = findViewById(R.id.cancel_sms_button);
+    ContactFilterToolbar contactFilter   = findViewById(R.id.contact_filter);
 
-    inviteText        = ViewUtil.findById(this, R.id.invite_text);
-    smsSendFrame      = ViewUtil.findById(this, R.id.sms_send_frame);
-    smsSendButton     = ViewUtil.findById(this, R.id.send_sms_button);
+    inviteText        = findViewById(R.id.invite_text);
+    smsSendFrame      = findViewById(R.id.sms_send_frame);
+    smsSendButton     = findViewById(R.id.send_sms_button);
     contactsFragment  = (ContactSelectionListFragment)getSupportFragmentManager().findFragmentById(R.id.contact_selection_list_fragment);
 
     inviteText.setText(getString(R.string.InviteActivity_lets_switch_to_signal, getString(R.string.install_url)));
-    updateSmsButtonText();
+    updateSmsButtonText(contactsFragment.getSelectedContacts().size());
 
-    contactsFragment.setOnContactSelectedListener(this);
-    shareButton.setOnClickListener(new ShareClickListener());
-    smsButton.setOnClickListener(new SmsClickListener());
     smsCancelButton.setOnClickListener(new SmsCancelClickListener());
     smsSendButton.setOnClickListener(new SmsSendClickListener());
     contactFilter.setOnFilterChangedListener(new ContactFilterChangedListener());
     contactFilter.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);
+    }
   }
 
   private Animation loadAnimation(@AnimRes int animResId) {
@@ -122,27 +129,28 @@ public class InviteActivity extends PassphraseRequiredActionBarActivity implemen
   }
 
   @Override
-  public void onContactSelected(Optional<RecipientId> recipientId, String number) {
-    updateSmsButtonText();
+  public boolean onBeforeContactSelected(Optional<RecipientId> recipientId, String number) {
+    updateSmsButtonText(contactsFragment.getSelectedContacts().size() + 1);
+    return true;
   }
 
   @Override
   public void onContactDeselected(Optional<RecipientId> recipientId, String number) {
-    updateSmsButtonText();
+    updateSmsButtonText(contactsFragment.getSelectedContacts().size());
   }
 
   private void sendSmsInvites() {
     new SendSmsInvitesAsyncTask(this, inviteText.getText().toString())
         .executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR,
                            contactsFragment.getSelectedContacts()
-                                           .toArray(new SelectedContact[contactsFragment.getSelectedContacts().size()]));
+                                           .toArray(new SelectedContact[0]));
   }
 
-  private void updateSmsButtonText() {
+  private void updateSmsButtonText(int count) {
     smsSendButton.setText(getResources().getQuantityString(R.plurals.InviteActivity_send_sms_to_friends,
-                                                           contactsFragment.getSelectedContacts().size(),
-                                                           contactsFragment.getSelectedContacts().size()));
-    smsSendButton.setEnabled(!contactsFragment.getSelectedContacts().isEmpty());
+                                                           count,
+                                                           count));
+    smsSendButton.setEnabled(count > 0);
   }
 
   @Override public void onBackPressed() {
@@ -156,17 +164,17 @@ public class InviteActivity extends PassphraseRequiredActionBarActivity implemen
   private void cancelSmsSelection() {
     setPrimaryColorsToolbarNormal();
     contactsFragment.reset();
-    updateSmsButtonText();
+    updateSmsButtonText(contactsFragment.getSelectedContacts().size());
     ViewUtil.animateOut(smsSendFrame, slideOutAnimation, View.GONE);
   }
 
   private void setPrimaryColorsToolbarNormal() {
     primaryToolbar.setBackgroundColor(0);
     primaryToolbar.getNavigationIcon().setColorFilter(null);
-    primaryToolbar.setTitleTextColor(ThemeUtil.getThemedColor(this, R.attr.title_text_color_primary));
+    primaryToolbar.setTitleTextColor(ContextCompat.getColor(this, R.color.signal_text_primary));
 
     if (Build.VERSION.SDK_INT >= 23) {
-      getWindow().setStatusBarColor(ThemeUtil.getThemedColor(this, android.R.attr.statusBarColor));
+      WindowUtil.setStatusBarColor(getWindow(), ThemeUtil.getThemedColor(this, android.R.attr.statusBarColor));
       getWindow().setNavigationBarColor(ThemeUtil.getThemedColor(this, android.R.attr.navigationBarColor));
       WindowUtil.setLightStatusBarFromTheme(this);
     }
@@ -176,11 +184,11 @@ public class InviteActivity extends PassphraseRequiredActionBarActivity implemen
 
   private void setPrimaryColorsToolbarForSms() {
     primaryToolbar.setBackgroundColor(ContextCompat.getColor(this, R.color.core_ultramarine));
-    primaryToolbar.getNavigationIcon().setColorFilter(ThemeUtil.getThemedColor(this, R.attr.conversation_subtitle_color), PorterDuff.Mode.SRC_IN);
-    primaryToolbar.setTitleTextColor(ThemeUtil.getThemedColor(this, R.attr.conversation_title_color));
+    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) {
-      getWindow().setStatusBarColor(ContextCompat.getColor(this, R.color.core_ultramarine));
+      WindowUtil.setStatusBarColor(getWindow(), ContextCompat.getColor(this, R.color.core_ultramarine));
       WindowUtil.clearLightStatusBar(getWindow());
     }
 

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

@@ -0,0 +1,49 @@
+package org.thoughtcrime.securesms;
+
+import androidx.annotation.NonNull;
+
+import java.util.Objects;
+
+/**
+ * Used in our {@link BuildConfig} to tie together the various attributes of a KBS instance. This
+ * is sitting in the root directory so it can be accessed by the build config.
+ */
+public final class KbsEnclave {
+
+  private final String enclaveName;
+  private final String serviceId;
+  private final String mrEnclave;
+
+  public KbsEnclave(@NonNull String enclaveName, @NonNull String serviceId, @NonNull String mrEnclave) {
+    this.enclaveName = enclaveName;
+    this.serviceId   = serviceId;
+    this.mrEnclave   = mrEnclave;
+  }
+
+  public @NonNull String getMrEnclave() {
+    return mrEnclave;
+  }
+
+  public @NonNull String getEnclaveName() {
+    return enclaveName;
+  }
+
+  public @NonNull String getServiceId() {
+    return serviceId;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+    KbsEnclave enclave = (KbsEnclave) o;
+    return enclaveName.equals(enclave.enclaveName) &&
+           serviceId.equals(enclave.serviceId)     &&
+           mrEnclave.equals(enclave.mrEnclave);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(enclaveName, serviceId, mrEnclave);
+  }
+}

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

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

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

@@ -1,23 +1,61 @@
 package org.thoughtcrime.securesms;
 
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
 import android.os.Bundle;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
+import org.thoughtcrime.securesms.util.AppStartup;
+import org.thoughtcrime.securesms.util.CachedInflater;
+import org.thoughtcrime.securesms.util.CommunicationActions;
 import org.thoughtcrime.securesms.util.DynamicNoActionBarTheme;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 
-public class MainActivity extends PassphraseRequiredActionBarActivity {
+public class MainActivity extends PassphraseRequiredActivity {
+
+  public static final int RESULT_CONFIG_CHANGED = Activity.RESULT_FIRST_USER + 901;
 
   private final DynamicTheme  dynamicTheme = new DynamicNoActionBarTheme();
   private final MainNavigator navigator    = new MainNavigator(this);
 
+  public static @NonNull Intent clearTop(@NonNull Context context) {
+    Intent intent = new Intent(context, MainActivity.class);
+
+    intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP |
+                    Intent.FLAG_ACTIVITY_NEW_TASK  |
+                    Intent.FLAG_ACTIVITY_SINGLE_TOP);
+
+    return intent;
+  }
+
   @Override
   protected void onCreate(Bundle savedInstanceState, boolean ready) {
+    AppStartup.getInstance().onCriticalRenderEventStart();
     super.onCreate(savedInstanceState, ready);
     setContentView(R.layout.main_activity);
 
     navigator.onCreate(savedInstanceState);
+
+    handleGroupLinkInIntent(getIntent());
+
+    CachedInflater.from(this).clear();
+  }
+
+  @Override
+  public Intent getIntent() {
+    return super.getIntent().setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP |
+                                      Intent.FLAG_ACTIVITY_NEW_TASK  |
+                                      Intent.FLAG_ACTIVITY_SINGLE_TOP);
+  }
+
+  @Override
+  protected void onNewIntent(Intent intent) {
+    super.onNewIntent(intent);
+    handleGroupLinkInIntent(intent);
   }
 
   @Override
@@ -39,7 +77,22 @@ public class MainActivity extends PassphraseRequiredActionBarActivity {
     }
   }
 
+  @Override
+  protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+    super.onActivityResult(requestCode, resultCode, data);
+    if (requestCode == MainNavigator.REQUEST_CONFIG_CHANGES && resultCode == RESULT_CONFIG_CHANGED) {
+      recreate();
+    }
+  }
+
   public @NonNull MainNavigator getNavigator() {
     return navigator;
   }
+
+  private void handleGroupLinkInIntent(Intent intent) {
+    Uri data = intent.getData();
+    if (data != null) {
+      CommunicationActions.handlePotentialGroupLinkUrl(this, data.toString());
+    }
+  }
 }