Remove observer when load completes or is cancelled.

Allow forums to be removed without opening them

See merge request briar/briar!1841

.gitlab-ci.yml

@@ -7,6 +7,7 @@ stages:
 
 variables:
   GIT_SUBMODULE_STRATEGY: recursive
+  JAVA_HOME: /usr/lib/jvm/java-17-openjdk-amd64
 
 workflow:
   # when to create a CI pipeline

bramble-android/build.gradle

@@ -3,8 +3,8 @@ apply plugin: 'witness'
 apply from: 'witness.gradle'
 
 android {
-	compileSdkVersion 33
-	buildToolsVersion '33.0.0'
+	compileSdkVersion 34
+	buildToolsVersion '34.0.0'
 
 	packagingOptions {
 		doNotStrip '**/*.so'
@@ -13,8 +13,8 @@ android {
 	defaultConfig {
 		minSdkVersion 21
 		targetSdkVersion 33
-		versionCode 10510
-		versionName "1.5.10"
+		versionCode 10514
+		versionName "1.5.14"
 		consumerProguardFiles 'proguard-rules.txt'
 
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -40,7 +40,7 @@ configurations {
 }
 
 dependencies {
-	api 'org.briarproject:dont-kill-me-lib:0.2.7'
+	api 'org.briarproject:dont-kill-me-lib:0.2.8'
 
 	// In theory this dependency shouldn't be needed, but without it Android Studio's linter will
 	// complain about unresolved symbols for bramble-api test classes in bramble-android tests,
@@ -54,8 +54,7 @@ dependencies {
 	implementation "org.briarproject:onionwrapper-android:$onionwrapper_version"
 
 	tor "org.briarproject:tor-android:$tor_version"
-	tor "org.briarproject:obfs4proxy-android:$obfs4proxy_version"
-	tor "org.briarproject:snowflake-android:$snowflake_version"
+	tor "org.briarproject:lyrebird-android:$lyrebird_version"
 
 	annotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 

bramble-android/src/main/AndroidManifest.xml

@@ -8,10 +8,8 @@
 
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 	<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
-	<!-- The BLUETOOTH permission was supposed to be removed in API 31 but is still needed on some Xiaomi/Redmi/POCO devices running API 31 and Nubia devices running API 32 -->
-	<uses-permission
-		android:name="android.permission.BLUETOOTH"
-		android:maxSdkVersion="32" />
+	<!-- The BLUETOOTH permission was supposed to be removed in API 31 but is still needed on some Xiaomi/Redmi/POCO devices running API 31 and Nubia devices running API 32/33 -->
+	<uses-permission android:name="android.permission.BLUETOOTH" />
 	<uses-permission
 		android:name="android.permission.BLUETOOTH_ADMIN"
 		android:maxSdkVersion="30" />

bramble-android/src/main/java/org/briarproject/bramble/battery/AndroidBatteryManager.java

@@ -30,6 +30,7 @@ import static android.os.PowerManager.ACTION_LOW_POWER_STANDBY_ENABLED_CHANGED;
 import static android.os.PowerManager.ACTION_POWER_SAVE_MODE_CHANGED;
 import static java.util.logging.Level.INFO;
 import static java.util.logging.Logger.getLogger;
+import static org.briarproject.bramble.util.AndroidUtils.registerReceiver;
 
 class AndroidBatteryManager implements BatteryManager, Service {
 
@@ -52,7 +53,7 @@ class AndroidBatteryManager implements BatteryManager, Service {
 	public boolean isCharging() {
 		// Get the sticky intent for ACTION_BATTERY_CHANGED
 		IntentFilter filter = new IntentFilter(ACTION_BATTERY_CHANGED);
-		Intent i = appContext.registerReceiver(null, filter);
+		Intent i = registerReceiver(appContext, null, filter);
 		if (i == null) return false;
 		int status = i.getIntExtra(EXTRA_PLUGGED, 0);
 		return status != 0;
@@ -71,7 +72,7 @@ class AndroidBatteryManager implements BatteryManager, Service {
 			filter.addAction(ACTION_LOW_POWER_STANDBY_ENABLED_CHANGED);
 			filter.addAction(ACTION_DEVICE_LIGHT_IDLE_MODE_CHANGED);
 		}
-		appContext.registerReceiver(batteryReceiver, filter);
+		registerReceiver(appContext, batteryReceiver, filter);
 	}
 
 	@Override

bramble-android/src/main/java/org/briarproject/bramble/network/AndroidNetworkManager.java

@@ -55,6 +55,7 @@ import static java.util.concurrent.TimeUnit.SECONDS;
 import static java.util.logging.Level.INFO;
 import static java.util.logging.Level.WARNING;
 import static java.util.logging.Logger.getLogger;
+import static org.briarproject.bramble.util.AndroidUtils.registerReceiver;
 import static org.briarproject.bramble.util.LogUtils.logException;
 import static org.briarproject.nullsafety.NullSafety.requireNonNull;
 
@@ -103,7 +104,7 @@ class AndroidNetworkManager implements NetworkManager, Service {
 		filter.addAction(WIFI_AP_STATE_CHANGED_ACTION);
 		filter.addAction(WIFI_P2P_THIS_DEVICE_CHANGED_ACTION);
 		if (SDK_INT >= 23) filter.addAction(ACTION_DEVICE_IDLE_MODE_CHANGED);
-		app.registerReceiver(networkStateReceiver, filter);
+		registerReceiver(app, networkStateReceiver, filter);
 	}
 
 	@Override

bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPlugin.java

@@ -56,6 +56,7 @@ import static java.util.logging.Level.INFO;
 import static java.util.logging.Level.WARNING;
 import static java.util.logging.Logger.getLogger;
 import static org.briarproject.bramble.util.AndroidUtils.hasBtConnectPermission;
+import static org.briarproject.bramble.util.AndroidUtils.registerReceiver;
 import static org.briarproject.bramble.util.PrivacyUtils.scrubMacAddress;
 
 @MethodsNotNullByDefault
@@ -112,7 +113,7 @@ class AndroidBluetoothPlugin extends
 		filter.addAction(ACTION_STATE_CHANGED);
 		filter.addAction(ACTION_SCAN_MODE_CHANGED);
 		receiver = new BluetoothStateReceiver();
-		app.registerReceiver(receiver, filter);
+		registerReceiver(app, receiver, filter);
 	}
 
 	@Override
@@ -237,7 +238,7 @@ class AndroidBluetoothPlugin extends
 		filter.addAction(ACTION_DISCOVERY_STARTED);
 		filter.addAction(ACTION_DISCOVERY_FINISHED);
 		filter.addAction(ACTION_FOUND);
-		app.registerReceiver(receiver, filter);
+		registerReceiver(app, receiver, filter);
 		try {
 			if (adapter.startDiscovery()) {
 				long now = clock.currentTimeMillis();

bramble-android/src/main/java/org/briarproject/bramble/util/AndroidUtils.java

@@ -2,7 +2,10 @@ package org.briarproject.bramble.util;
 
 import android.annotation.SuppressLint;
 import android.bluetooth.BluetoothAdapter;
+import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
 import android.os.Build;
 import android.os.Looper;
 import android.provider.Settings;
@@ -21,6 +24,7 @@ import javax.annotation.Nullable;
 import static android.Manifest.permission.BLUETOOTH_CONNECT;
 import static android.app.PendingIntent.FLAG_IMMUTABLE;
 import static android.content.Context.MODE_PRIVATE;
+import static android.content.Context.RECEIVER_NOT_EXPORTED;
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
 import static android.os.Build.VERSION.SDK_INT;
 import static android.os.Process.myPid;
@@ -141,4 +145,20 @@ public class AndroidUtils {
 		}
 		return flags;
 	}
+
+	/**
+	 * Could be replaced to a similar call in ContextCompat once we
+	 * use and upgrade to version 1.9.0 or higher of the AndroidX Core library.
+	 */
+	@Nullable
+	@SuppressLint("UnspecifiedRegisterReceiverFlag") // we specify where needed
+	public static Intent registerReceiver(Context ctx,
+			@Nullable BroadcastReceiver receiver, IntentFilter filter) {
+		if (SDK_INT >= 33) {
+			return ctx.registerReceiver(receiver, filter,
+					RECEIVER_NOT_EXPORTED);
+		} else {
+			return ctx.registerReceiver(receiver, filter);
+		}
+	}
 }

bramble-android/witness.gradle

@@ -4,18 +4,16 @@ dependencyVerification {
 		'cglib:cglib:3.2.8:cglib-3.2.8.jar:3f64de999ecc5595dc84ca8ff0879d8a34c8623f9ef3c517a53ed59023fcb9db',
 		'com.google.code.findbugs:annotations:3.0.1:annotations-3.0.1.jar:6b47ff0a6de0ce17cbedc3abb0828ca5bce3009d53ea47b3723ff023c4742f79',
 		'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
-		'com.google.dagger:dagger-compiler:2.45:dagger-compiler-2.45.jar:5617dfb994537dba5b41f3744a6dd13ec3cd99789c065e0d5c6fa9f21cf7ca25',
-		'com.google.dagger:dagger-producers:2.45:dagger-producers-2.45.jar:a05abb4c3ccf6bb0f056bdcb5ef973898ecf172952ab5948a824aeea6c86ecaa',
-		'com.google.dagger:dagger-spi:2.45:dagger-spi-2.45.jar:7cd6f0b09d88e64a9c97bc80e544ab8ac8fdee9301754413585a74cf64222b27',
-		'com.google.dagger:dagger:2.45:dagger-2.45.jar:f011cae7d2c0fb7ea17c34e05bc10e768b1081a5892ad019cf1fdb0e125c49c1',
-		'com.google.devtools.ksp:symbol-processing-api:1.7.0-1.0.6:symbol-processing-api-1.7.0-1.0.6.jar:adc29417be5ca9ff42118105fea4e36d9ef44987abfc41432309371a60198941',
-		'com.google.errorprone:error_prone_annotations:2.7.1:error_prone_annotations-2.7.1.jar:cd5257c08a246cf8628817ae71cb822be192ef91f6881ca4a3fcff4f1de1cff3',
+		'com.google.dagger:dagger-compiler:2.51.1:dagger-compiler-2.51.1.jar:14cf2def1c4c8cd3b977840e297b463191d537cd1c8330992ca5c0b341a641ad',
+		'com.google.dagger:dagger-spi:2.51.1:dagger-spi-2.51.1.jar:deb52030b92b27c5dcd76b2c0747f1cf105b60939f6073b43eb06cfe7c9ba601',
+		'com.google.dagger:dagger:2.51.1:dagger-2.51.1.jar:c3891a4c4a4e48682888ca321eaf8497004b286e1d9a2936867373219f7dd86d',
+		'com.google.devtools.ksp:symbol-processing-api:1.9.20-1.0.14:symbol-processing-api-1.9.20-1.0.14.jar:d0339396f40dc9eb3b3f7bc86257f93869ee23448fa31ec4a1de900c6b7ae6d7',
+		'com.google.errorprone:error_prone_annotations:2.23.0:error_prone_annotations-2.23.0.jar:ec6f39f068b6ff9ac323c68e28b9299f8c0a80ca512dccb1d4a70f40ac3ec054',
 		'com.google.errorprone:javac-shaded:9-dev-r4023-3:javac-shaded-9-dev-r4023-3.jar:65bfccf60986c47fbc17c9ebab0be626afc41741e0a6ec7109e0768817a36f30',
 		'com.google.googlejavaformat:google-java-format:1.5:google-java-format-1.5.jar:aa19ad7850fb85178aa22f2fddb163b84d6ce4d0035872f30d4408195ca1144e',
-		'com.google.guava:failureaccess:1.0.1:failureaccess-1.0.1.jar:a171ee4c734dd2da837e4b16be9df4661afab72a41adaf31eb84dfdaf936ca26',
-		'com.google.guava:guava:31.0.1-jre:guava-31.0.1-jre.jar:d5be94d65e87bd219fb3193ad1517baa55a3b88fc91d21cf735826ab5af087b9',
+		'com.google.guava:failureaccess:1.0.2:failureaccess-1.0.2.jar:8a8f81cf9b359e3f6dfa691a1e776985c061ef2f223c9b2c80753e1b458e8064',
+		'com.google.guava:guava:33.0.0-jre:guava-33.0.0-jre.jar:f4d85c3e4d411694337cb873abea09b242b664bb013320be6105327c45991537',
 		'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava:listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar:b372a037d4230aa57fbeffdef30fd6123f9c0c2db85d0aced00c91b974f33f99',
-		'com.google.j2objc:j2objc-annotations:1.3:j2objc-annotations-1.3.jar:21af30c92267bd6122c0e0b4d20cccb6641a37eaf956c6540ec471d584e64a7b',
 		'com.squareup:javapoet:1.13.0:javapoet-1.13.0.jar:4c7517e848a71b36d069d12bb3bf46a70fd4cda3105d822b0ed2e19c00b69291',
 		'com.squareup:kotlinpoet:1.11.0:kotlinpoet-1.11.0.jar:2887ada1ca03dd83baa2758640d87e840d1907564db0ef88d2289c868a980492',
 		'javax.annotation:jsr250-api:1.0:jsr250-api-1.0.jar:a1a922d0d9b6d183ed3800dfac01d1e1eb159f0e8c6f94736931c1def54a941f',
@@ -25,16 +23,15 @@ dependencyVerification {
 		'net.jcip:jcip-annotations:1.0:jcip-annotations-1.0.jar:be5805392060c71474bf6c9a67a099471274d30b83eef84bfc4e0889a4f1dcc0',
 		'net.ltgt.gradle.incap:incap:0.2:incap-0.2.jar:b625b9806b0f1e4bc7a2e3457119488de3cd57ea20feedd513db070a573a4ffd',
 		'org.apache-extras.beanshell:bsh:2.0b6:bsh-2.0b6.jar:a17955976070c0573235ee662f2794a78082758b61accffce8d3f8aedcd91047',
-		'org.briarproject:dont-kill-me-lib:0.2.7:dont-kill-me-lib-0.2.7.aar:8a9540941fd927e1c127096a7a9b4aa61ce2f2965d2e24f849be92f9e57213c4',
+		'org.briarproject:dont-kill-me-lib:0.2.8:dont-kill-me-lib-0.2.8.aar:e21173e480ee3f2364c142cc14db8dc6447be91bde9e62e4985c485ea0af9126',
 		'org.briarproject:jtorctl:0.5:jtorctl-0.5.jar:43f8c7d390169772b9a2c82ab806c8414c136a2a8636c555e22754bb7260793b',
+		'org.briarproject:lyrebird-android:0.5.0-3:lyrebird-android-0.5.0-3.jar:67e21cbbfda0b17ab9e0741ada170c606ddda4e9548a70c421aa83b907ebb714',
 		'org.briarproject:null-safety:0.1:null-safety-0.1.jar:161760de5e838cb982bafa973df820675d4397098e9a91637a36a306d43ba011',
-		'org.briarproject:obfs4proxy-android:0.0.14-tor2:obfs4proxy-android-0.0.14-tor2.jar:a0a93770d6760ce57d9dbd31cc7177687374e00c3361dac22ab75e3b6e0f289e',
-		'org.briarproject:onionwrapper-android:0.1.0:onionwrapper-android-0.1.0.aar:d761854dac454616b3e0ca099b2cd17060365ce4316afe495cc7ae86b6c81d15',
-		'org.briarproject:onionwrapper-core:0.1.0:onionwrapper-core-0.1.0.jar:3e6631771b891c959403f6145de034c6f9816e7d067808d534f954eef9a1ca35',
-		'org.briarproject:snowflake-android:2.9.1:snowflake-android-2.9.1.jar:8d6195637edbe3717d205c2e524e9d3cb742b90fc67b10565d16262af134e489',
-		'org.briarproject:tor-android:0.4.8.9-1:tor-android-0.4.8.9-1.jar:8fbaaf0cb1663abd12852b7fc51a804534b7e7d865b4dec3fc4e9ec0e79f3ad5',
+		'org.briarproject:onionwrapper-android:0.1.3:onionwrapper-android-0.1.3.aar:15231f0b2ad44df8eb1dd362a989ba3f88ebdc9b02a9128daa72a8da83651bf0',
+		'org.briarproject:onionwrapper-core:0.1.3:onionwrapper-core-0.1.3.jar:32d08c9d81a9591e08d7e64e3569334fee21f503b00514006f2e6cbbd409d0df',
+		'org.briarproject:tor-android:0.4.8.14:tor-android-0.4.8.14.jar:fc7c4f5007a98132ba84534a873f101951d2d554d5da5f2031b85c277f8617a6',
 		'org.checkerframework:checker-compat-qual:2.5.5:checker-compat-qual-2.5.5.jar:11d134b245e9cacc474514d2d66b5b8618f8039a1465cdc55bbc0b34e0008b7a',
-		'org.checkerframework:checker-qual:3.12.0:checker-qual-3.12.0.jar:ff10785ac2a357ec5de9c293cb982a2cbb605c0309ea4cc1cb9b9bc6dbe7f3cb',
+		'org.checkerframework:checker-qual:3.41.0:checker-qual-3.41.0.jar:2f9f245bf68e4259d610894f2406dc1f6363dc639302bd566e8272e4f4541172',
 		'org.hamcrest:hamcrest-core:2.1:hamcrest-core-2.1.jar:e09109e54a289d88506b9bfec987ddd199f4217c9464132668351b9a4f00bee9',
 		'org.hamcrest:hamcrest-library:2.1:hamcrest-library-2.1.jar:b7e2b6895b3b679f0e47b6380fda391b225e9b78505db9d8bdde8d3cc8d52a21',
 		'org.hamcrest:hamcrest:2.1:hamcrest-2.1.jar:ba93b2e3a562322ba432f0a1b53addcc55cb188253319a020ed77f824e692050',
@@ -43,14 +40,12 @@ dependencyVerification {
 		'org.jacoco:org.jacoco.core:0.8.7:org.jacoco.core-0.8.7.jar:ad7739b5fb5969aa1a8aead3d74ed54dc82ed012f1f10f336bd1b96e71c1a13c',
 		'org.jacoco:org.jacoco.report:0.8.7:org.jacoco.report-0.8.7.jar:cc89258623700a6c932592153cb528785876b6da183d5431f97efbba6f020e5b',
 		'org.jetbrains.kotlin:kotlin-reflect:1.6.10:kotlin-reflect-1.6.10.jar:3277ac102ae17aad10a55abec75ff5696c8d109790396434b496e75087854203',
-		'org.jetbrains.kotlin:kotlin-stdlib-common:1.7.0:kotlin-stdlib-common-1.7.0.jar:59c6ff64fe9a6604afce03e8aaa75f83586c6030ac71fb0b34ee7cdefed3618f',
-		'org.jetbrains.kotlin:kotlin-stdlib-common:1.8.0:kotlin-stdlib-common-1.8.0.jar:78ef93b59e603cc0fe51def9bd4c037b07cbace3b3b7806d1a490a42bc1f4cb2',
-		'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.0:kotlin-stdlib-jdk7-1.7.0.jar:07e91be9b2ca20672d2bdb7e181b766e73453a2da13492b5ddaee8fa47aea239',
-		'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.8.0:kotlin-stdlib-jdk7-1.8.0.jar:4c889d1d9803f5f2eb6c1592a6b7e62369ac7660c9eee15aba16fec059163666',
-		'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.0:kotlin-stdlib-jdk8-1.7.0.jar:cf058e11db1dfc9944680c8c61b95ac689aaaa8a3eb30bced028100f038f030b',
-		'org.jetbrains.kotlin:kotlin-stdlib:1.7.0:kotlin-stdlib-1.7.0.jar:aa88e9625577957f3249a46cb6e166ee09b369e600f7a11d148d16b0a6d87f05',
-		'org.jetbrains.kotlin:kotlin-stdlib:1.8.0:kotlin-stdlib-1.8.0.jar:c77bef8774640b9fb9d6e217459ff220dae59878beb7d2e4b430506feffc654e',
-		'org.jetbrains.kotlinx:kotlinx-metadata-jvm:0.5.0:kotlinx-metadata-jvm-0.5.0.jar:ca063a96639b08b9eaa0de4d65e899480740a6efbe28ab9a8681a2ced03055a4',
+		'org.jetbrains.kotlin:kotlin-stdlib-common:1.9.10:kotlin-stdlib-common-1.9.10.jar:cde3341ba18a2ba262b0b7cf6c55b20c90e8d434e42c9a13e6a3f770db965a88',
+		'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.9.0:kotlin-stdlib-jdk7-1.9.0.jar:b7979a7aac94055f0d9f1fd3b47ce5ffe1cb6032a842ba9fbe7186f085289178',
+		'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.9.10:kotlin-stdlib-jdk7-1.9.10.jar:ac6361bf9ad1ed382c2103d9712c47cdec166232b4903ed596e8876b0681c9b7',
+		'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.0:kotlin-stdlib-jdk8-1.9.0.jar:a59fa24fdf1ffb594baecdbf0fd10010f977cea10236d487fe3464977a7377fa',
+		'org.jetbrains.kotlin:kotlin-stdlib:1.9.10:kotlin-stdlib-1.9.10.jar:55e989c512b80907799f854309f3bc7782c5b3d13932442d0379d5c472711504',
+		'org.jetbrains.kotlin:kotlin-stdlib:1.9.20:kotlin-stdlib-1.9.20.jar:28a35bcdff46d864f80f346a617e486284b208d17378c41900dfb1de95a90e6c',
 		'org.jetbrains:annotations:13.0:annotations-13.0.jar:ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478',
 		'org.jmock:jmock-imposters:2.12.0:jmock-imposters-2.12.0.jar:3b836269745a137c9b2347e8d7c2104845b126ef04f012d6bfd94f1a7dea7b09',
 		'org.jmock:jmock-junit4:2.12.0:jmock-junit4-2.12.0.jar:3233062fc889637c151a24f1ee086bad04321ab7d8264fef279daff0fa27205b',

bramble-api/witness.gradle

@@ -4,7 +4,7 @@ dependencyVerification {
 		'com.fasterxml.jackson.core:jackson-annotations:2.13.4:jackson-annotations-2.13.4.jar:ac5b27a634942391ca113850ee7db01df1499a240174021263501c05fc653b44',
 		'com.google.code.findbugs:annotations:3.0.1:annotations-3.0.1.jar:6b47ff0a6de0ce17cbedc3abb0828ca5bce3009d53ea47b3723ff023c4742f79',
 		'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
-		'com.google.dagger:dagger:2.45:dagger-2.45.jar:f011cae7d2c0fb7ea17c34e05bc10e768b1081a5892ad019cf1fdb0e125c49c1',
+		'com.google.dagger:dagger:2.51.1:dagger-2.51.1.jar:c3891a4c4a4e48682888ca321eaf8497004b286e1d9a2936867373219f7dd86d',
 		'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
 		'junit:junit:4.13.2:junit-4.13.2.jar:8e495b634469d64fb8acfa3495a065cbacc8a0fff55ce1e31007be4c16dc57d3',
 		'net.bytebuddy:byte-buddy:1.9.12:byte-buddy-1.9.12.jar:3688c3d434bebc3edc5516296a2ed0f47b65e451071b4afecad84f902f0efc11',

bramble-core/src/main/java/org/briarproject/bramble/db/H2Database.java

@@ -89,11 +89,17 @@ class H2Database extends JdbcDatabase {
 		try {
 			c = createConnection();
 			closeAllConnections();
-			setDirty(c, false);
+			LOG.info("Compacting DB");
 			s = c.createStatement();
 			s.execute("SHUTDOWN COMPACT");
+			LOG.info("Finished compacting DB");
 			s.close();
 			c.close();
+			// Reopen the DB to mark it as clean after compacting
+			c = createConnection();
+			setDirty(c, false);
+			LOG.info("Marked DB as clean");
+			c.close();
 		} catch (SQLException e) {
 			tryToClose(s, LOG, WARNING);
 			tryToClose(c, LOG, WARNING);
@@ -126,6 +132,7 @@ class H2Database extends JdbcDatabase {
 			closeAllConnections();
 			s = c.createStatement();
 			s.execute("SHUTDOWN COMPACT");
+			LOG.info("Finished compacting DB");
 			s.close();
 			c.close();
 		} catch (SQLException e) {

bramble-core/src/main/java/org/briarproject/bramble/plugin/bluetooth/AbstractBluetoothPlugin.java

@@ -388,7 +388,6 @@ abstract class AbstractBluetoothPlugin<S, SS> implements BluetoothPlugin,
 		}
 		// Validate the UUID
 		try {
-			//noinspection ResultOfMethodCallIgnored
 			UUID.fromString(uuid);
 		} catch (IllegalArgumentException e) {
 			if (LOG.isLoggable(WARNING)) LOG.warning("Invalid UUID " + uuid);

bramble-core/src/test/java/org/briarproject/bramble/crypto/NeitherSecureNorRandom.java

@@ -0,0 +1,45 @@
+package org.briarproject.bramble.crypto;
+
+import java.security.Provider;
+import java.security.SecureRandom;
+import java.security.SecureRandomSpi;
+
+import static java.util.Arrays.fill;
+
+/**
+ * A fake SecureRandom implementation for testing, which returns all zeroes.
+ */
+public class NeitherSecureNorRandom extends SecureRandom {
+
+	private static final Provider PROVIDER =
+			new NeitherSecureNorRandomProvider();
+
+	public NeitherSecureNorRandom() {
+		super(new NeitherSecureNorRandomSpi(), PROVIDER);
+	}
+
+	private static class NeitherSecureNorRandomSpi extends SecureRandomSpi {
+
+		@Override
+		protected byte[] engineGenerateSeed(int length) {
+			return new byte[length];
+		}
+
+		@Override
+		protected void engineNextBytes(byte[] b) {
+			fill(b, (byte) 0);
+		}
+
+		@Override
+		protected void engineSetSeed(byte[] seed) {
+			// Thank you for your input
+		}
+	}
+
+	private static class NeitherSecureNorRandomProvider extends Provider {
+
+		private NeitherSecureNorRandomProvider() {
+			super("NeitherSecureNorRandom", 1.0, "Only for testing");
+		}
+	}
+}

bramble-core/src/test/java/org/briarproject/bramble/crypto/PseudoRandom.java

@@ -1,34 +0,0 @@
-package org.briarproject.bramble.crypto;
-
-import org.bouncycastle.crypto.Digest;
-import org.bouncycastle.crypto.digests.Blake2bDigest;
-import org.bouncycastle.crypto.engines.Salsa20Engine;
-import org.bouncycastle.crypto.params.KeyParameter;
-import org.bouncycastle.crypto.params.ParametersWithIV;
-import org.briarproject.nullsafety.NotNullByDefault;
-
-import javax.annotation.concurrent.NotThreadSafe;
-
-@NotThreadSafe
-@NotNullByDefault
-class PseudoRandom {
-
-	private final Salsa20Engine cipher = new Salsa20Engine();
-
-	PseudoRandom(byte[] seed) {
-		// Hash the seed to produce a 32-byte key
-		byte[] key = new byte[32];
-		Digest digest = new Blake2bDigest(256);
-		digest.update(seed, 0, seed.length);
-		digest.doFinal(key, 0);
-		// Initialise the stream cipher with an all-zero nonce
-		byte[] nonce = new byte[8];
-		cipher.init(true, new ParametersWithIV(new KeyParameter(key), nonce));
-	}
-
-	byte[] nextBytes(int length) {
-		byte[] in = new byte[length], out = new byte[length];
-		cipher.processBytes(in, 0, length, out, 0);
-		return out;
-	}
-}

bramble-core/src/test/java/org/briarproject/bramble/crypto/PseudoSecureRandom.java

@@ -1,46 +0,0 @@
-package org.briarproject.bramble.crypto;
-
-import java.security.Provider;
-import java.security.SecureRandom;
-import java.security.SecureRandomSpi;
-
-class PseudoSecureRandom extends SecureRandom {
-
-	private static final Provider PROVIDER = new PseudoSecureRandomProvider();
-
-	PseudoSecureRandom(byte[] seed) {
-		super(new PseudoSecureRandomSpi(seed), PROVIDER);
-	}
-
-	private static class PseudoSecureRandomSpi extends SecureRandomSpi {
-
-		private final PseudoRandom pseudoRandom;
-
-		private PseudoSecureRandomSpi(byte[] seed) {
-			pseudoRandom = new PseudoRandom(seed);
-		}
-
-		@Override
-		protected byte[] engineGenerateSeed(int length) {
-			return pseudoRandom.nextBytes(length);
-		}
-
-		@Override
-		protected void engineNextBytes(byte[] b) {
-			byte[] random = pseudoRandom.nextBytes(b.length);
-			System.arraycopy(random, 0, b, 0, b.length);
-		}
-
-		@Override
-		protected void engineSetSeed(byte[] seed) {
-			// Thank you for your input
-		}
-	}
-
-	private static class PseudoSecureRandomProvider extends Provider {
-
-		private PseudoSecureRandomProvider() {
-			super("PseudoSecureRandom", 1.0, "Only for testing");
-		}
-	}
-}

bramble-core/src/test/java/org/briarproject/bramble/keyagreement/KeyAgreementTransportTest.java

@@ -15,9 +15,10 @@ import org.briarproject.bramble.test.BrambleMockTestCase;
 import org.briarproject.bramble.test.CaptureArgumentAction;
 import org.briarproject.bramble.test.PredicateMatcher;
 import org.jmock.Expectations;
-import org.jmock.imposters.ByteBuddyClassImposteriser;
 import org.junit.Test;
 
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.concurrent.atomic.AtomicReference;
@@ -51,17 +52,12 @@ public class KeyAgreementTransportTest extends BrambleMockTestCase {
 	private final KeyAgreementConnection keyAgreementConnection =
 			new KeyAgreementConnection(duplexTransportConnection, transportId);
 
-	private final InputStream inputStream;
-	private final OutputStream outputStream;
+	private final InputStream inputStream =
+			new ByteArrayInputStream(new byte[0]);
+	private final OutputStream outputStream = new ByteArrayOutputStream();
 
 	private KeyAgreementTransport kat;
 
-	public KeyAgreementTransportTest() {
-		context.setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
-		inputStream = context.mock(InputStream.class);
-		outputStream = context.mock(OutputStream.class);
-	}
-
 	@Test
 	public void testSendKey() throws Exception {
 		byte[] key = getRandomBytes(123);

bramble-core/src/test/java/org/briarproject/bramble/plugin/PollerImplTest.java

@@ -21,11 +21,11 @@ import org.briarproject.bramble.api.properties.TransportProperties;
 import org.briarproject.bramble.api.properties.TransportPropertyManager;
 import org.briarproject.bramble.api.system.Clock;
 import org.briarproject.bramble.api.system.TaskScheduler;
+import org.briarproject.bramble.crypto.NeitherSecureNorRandom;
 import org.briarproject.bramble.test.BrambleMockTestCase;
 import org.briarproject.bramble.test.ImmediateExecutor;
 import org.briarproject.bramble.test.RunAction;
 import org.jmock.Expectations;
-import org.jmock.imposters.ByteBuddyClassImposteriser;
 import org.junit.Test;
 
 import java.security.SecureRandom;
@@ -55,7 +55,6 @@ public class PollerImplTest extends BrambleMockTestCase {
 			context.mock(TransportPropertyManager.class);
 	private final Clock clock = context.mock(Clock.class);
 	private final Cancellable cancellable = context.mock(Cancellable.class);
-	private final SecureRandom random;
 
 	private final Executor ioExecutor = new ImmediateExecutor();
 	private final TransportId transportId = getTransportId();
@@ -67,8 +66,8 @@ public class PollerImplTest extends BrambleMockTestCase {
 	private final PollerImpl poller;
 
 	public PollerImplTest() {
-		context.setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
-		random = context.mock(SecureRandom.class);
+		// Use a fake SecureRandom that returns all zeroes
+		SecureRandom random = new NeitherSecureNorRandom();
 		Executor wakefulIoExecutor = new ImmediateExecutor();
 		poller = new PollerImpl(ioExecutor, wakefulIoExecutor, scheduler,
 				connectionManager, connectionRegistry, pluginManager,
@@ -352,12 +351,10 @@ public class PollerImplTest extends BrambleMockTestCase {
 			// Running the polling task schedules the next polling task
 			oneOf(plugin).getPollingInterval();
 			will(returnValue(pollingInterval));
-			oneOf(random).nextDouble();
-			will(returnValue(0.5));
 			oneOf(clock).currentTimeMillis();
 			will(returnValue(now));
 			oneOf(scheduler).schedule(with(any(Runnable.class)),
-					with(ioExecutor), with((long) (pollingInterval * 0.5)),
+					with(ioExecutor), with(0L),
 					with(MILLISECONDS));
 			will(returnValue(cancellable));
 			// Get the transport properties and connected contacts
@@ -396,12 +393,10 @@ public class PollerImplTest extends BrambleMockTestCase {
 			// Running the polling task schedules the next polling task
 			oneOf(plugin).getPollingInterval();
 			will(returnValue(pollingInterval));
-			oneOf(random).nextDouble();
-			will(returnValue(0.5));
 			oneOf(clock).currentTimeMillis();
 			will(returnValue(now));
 			oneOf(scheduler).schedule(with(any(Runnable.class)),
-					with(ioExecutor), with((long) (pollingInterval * 0.5)),
+					with(ioExecutor), with(0L),
 					with(MILLISECONDS));
 			will(returnValue(cancellable));
 			// Get the transport properties and connected contacts

bramble-core/witness.gradle

@@ -6,22 +6,20 @@ dependencyVerification {
 		'com.fasterxml.jackson.core:jackson-databind:2.13.4:jackson-databind-2.13.4.jar:c9faff420d9e2c7e1e4711dbeebec2506a32c9942027211c5c293d8d87807eb6',
 		'com.google.code.findbugs:annotations:3.0.1:annotations-3.0.1.jar:6b47ff0a6de0ce17cbedc3abb0828ca5bce3009d53ea47b3723ff023c4742f79',
 		'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
-		'com.google.dagger:dagger-compiler:2.45:dagger-compiler-2.45.jar:5617dfb994537dba5b41f3744a6dd13ec3cd99789c065e0d5c6fa9f21cf7ca25',
-		'com.google.dagger:dagger-producers:2.45:dagger-producers-2.45.jar:a05abb4c3ccf6bb0f056bdcb5ef973898ecf172952ab5948a824aeea6c86ecaa',
-		'com.google.dagger:dagger-spi:2.45:dagger-spi-2.45.jar:7cd6f0b09d88e64a9c97bc80e544ab8ac8fdee9301754413585a74cf64222b27',
-		'com.google.dagger:dagger:2.45:dagger-2.45.jar:f011cae7d2c0fb7ea17c34e05bc10e768b1081a5892ad019cf1fdb0e125c49c1',
-		'com.google.devtools.ksp:symbol-processing-api:1.7.0-1.0.6:symbol-processing-api-1.7.0-1.0.6.jar:adc29417be5ca9ff42118105fea4e36d9ef44987abfc41432309371a60198941',
-		'com.google.errorprone:error_prone_annotations:2.7.1:error_prone_annotations-2.7.1.jar:cd5257c08a246cf8628817ae71cb822be192ef91f6881ca4a3fcff4f1de1cff3',
+		'com.google.dagger:dagger-compiler:2.51.1:dagger-compiler-2.51.1.jar:14cf2def1c4c8cd3b977840e297b463191d537cd1c8330992ca5c0b341a641ad',
+		'com.google.dagger:dagger-spi:2.51.1:dagger-spi-2.51.1.jar:deb52030b92b27c5dcd76b2c0747f1cf105b60939f6073b43eb06cfe7c9ba601',
+		'com.google.dagger:dagger:2.51.1:dagger-2.51.1.jar:c3891a4c4a4e48682888ca321eaf8497004b286e1d9a2936867373219f7dd86d',
+		'com.google.devtools.ksp:symbol-processing-api:1.9.20-1.0.14:symbol-processing-api-1.9.20-1.0.14.jar:d0339396f40dc9eb3b3f7bc86257f93869ee23448fa31ec4a1de900c6b7ae6d7',
+		'com.google.errorprone:error_prone_annotations:2.23.0:error_prone_annotations-2.23.0.jar:ec6f39f068b6ff9ac323c68e28b9299f8c0a80ca512dccb1d4a70f40ac3ec054',
 		'com.google.errorprone:javac-shaded:9-dev-r4023-3:javac-shaded-9-dev-r4023-3.jar:65bfccf60986c47fbc17c9ebab0be626afc41741e0a6ec7109e0768817a36f30',
 		'com.google.googlejavaformat:google-java-format:1.5:google-java-format-1.5.jar:aa19ad7850fb85178aa22f2fddb163b84d6ce4d0035872f30d4408195ca1144e',
-		'com.google.guava:failureaccess:1.0.1:failureaccess-1.0.1.jar:a171ee4c734dd2da837e4b16be9df4661afab72a41adaf31eb84dfdaf936ca26',
-		'com.google.guava:guava:31.0.1-jre:guava-31.0.1-jre.jar:d5be94d65e87bd219fb3193ad1517baa55a3b88fc91d21cf735826ab5af087b9',
+		'com.google.guava:failureaccess:1.0.2:failureaccess-1.0.2.jar:8a8f81cf9b359e3f6dfa691a1e776985c061ef2f223c9b2c80753e1b458e8064',
+		'com.google.guava:guava:33.0.0-jre:guava-33.0.0-jre.jar:f4d85c3e4d411694337cb873abea09b242b664bb013320be6105327c45991537',
 		'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava:listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar:b372a037d4230aa57fbeffdef30fd6123f9c0c2db85d0aced00c91b974f33f99',
-		'com.google.j2objc:j2objc-annotations:1.3:j2objc-annotations-1.3.jar:21af30c92267bd6122c0e0b4d20cccb6641a37eaf956c6540ec471d584e64a7b',
 		'com.h2database:h2:1.4.192:h2-1.4.192.jar:225b22e9857235c46c93861410b60b8c81c10dc8985f4faf188985ba5445126c',
 		'com.squareup.okhttp3:mockwebserver:4.10.0:mockwebserver-4.10.0.jar:af29da234e63159d6e0dea43bf8288eea97d71cdf1651a5ee2d6c0d0d4adbf8f',
-		'com.squareup.okhttp3:okhttp:4.10.0:okhttp-4.10.0.jar:7580f14fa1691206e37081ad3f92063b1603b328da0bb316f2fef02e0562e7ec',
-		'com.squareup.okio:okio-jvm:3.0.0:okio-jvm-3.0.0.jar:be64a0cc1f28ea9cd5c970dd7e7557af72c808d738c495b397bf897c9921e907',
+		'com.squareup.okhttp3:okhttp:4.12.0:okhttp-4.12.0.jar:b1050081b14bb7a3a7e55a4d3ef01b5dcfabc453b4573a4fc019767191d5f4e0',
+		'com.squareup.okio:okio-jvm:3.6.0:okio-jvm-3.6.0.jar:67543f0736fc422ae927ed0e504b98bc5e269fda0d3500579337cb713da28412',
 		'com.squareup:javapoet:1.13.0:javapoet-1.13.0.jar:4c7517e848a71b36d069d12bb3bf46a70fd4cda3105d822b0ed2e19c00b69291',
 		'com.squareup:kotlinpoet:1.11.0:kotlinpoet-1.11.0.jar:2887ada1ca03dd83baa2758640d87e840d1907564db0ef88d2289c868a980492',
 		'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
@@ -36,10 +34,10 @@ dependencyVerification {
 		'org.bouncycastle:bcprov-jdk15to18:1.71:bcprov-jdk15to18-1.71.jar:143aaa4a40edd5fc2a18db7900059f6c16f4d931b94b94b20f7e2238e6662886',
 		'org.briarproject:jtorctl:0.5:jtorctl-0.5.jar:43f8c7d390169772b9a2c82ab806c8414c136a2a8636c555e22754bb7260793b',
 		'org.briarproject:null-safety:0.1:null-safety-0.1.jar:161760de5e838cb982bafa973df820675d4397098e9a91637a36a306d43ba011',
-		'org.briarproject:onionwrapper-core:0.1.0:onionwrapper-core-0.1.0.jar:3e6631771b891c959403f6145de034c6f9816e7d067808d534f954eef9a1ca35',
+		'org.briarproject:onionwrapper-core:0.1.3:onionwrapper-core-0.1.3.jar:32d08c9d81a9591e08d7e64e3569334fee21f503b00514006f2e6cbbd409d0df',
 		'org.briarproject:socks-socket:0.1:socks-socket-0.1.jar:e5898822d10f5390363c5dddb945891648c92cf93ba50709e07f0d173ec0eb4b',
 		'org.checkerframework:checker-compat-qual:2.5.5:checker-compat-qual-2.5.5.jar:11d134b245e9cacc474514d2d66b5b8618f8039a1465cdc55bbc0b34e0008b7a',
-		'org.checkerframework:checker-qual:3.12.0:checker-qual-3.12.0.jar:ff10785ac2a357ec5de9c293cb982a2cbb605c0309ea4cc1cb9b9bc6dbe7f3cb',
+		'org.checkerframework:checker-qual:3.41.0:checker-qual-3.41.0.jar:2f9f245bf68e4259d610894f2406dc1f6363dc639302bd566e8272e4f4541172',
 		'org.codehaus.mojo.signature:java16:1.1:java16-1.1.signature:53799223a2c98dba2d0add810bed76315460df285c69e4f397ae6098f87dd619',
 		'org.codehaus.mojo:animal-sniffer-ant-tasks:1.22:animal-sniffer-ant-tasks-1.22.jar:3f6afeb3e09301d2d7179ed1db21e3ad8846c1e38415ad832a395138ae3f4218',
 		'org.codehaus.mojo:animal-sniffer:1.22:animal-sniffer-1.22.jar:f18c11a25bdd8b520b9c6a28cbb6f33007c812ab0051b6be3f0778e660aa501c',
@@ -48,17 +46,13 @@ dependencyVerification {
 		'org.hamcrest:hamcrest:2.1:hamcrest-2.1.jar:ba93b2e3a562322ba432f0a1b53addcc55cb188253319a020ed77f824e692050',
 		'org.hsqldb:hsqldb:2.3.5:hsqldb-2.3.5.jar:6676a6977ac98997a80f827ddbd3fe8ca1e0853dad1492512135fd1a222ccfad',
 		'org.jetbrains.kotlin:kotlin-reflect:1.6.10:kotlin-reflect-1.6.10.jar:3277ac102ae17aad10a55abec75ff5696c8d109790396434b496e75087854203',
-		'org.jetbrains.kotlin:kotlin-stdlib-common:1.6.20:kotlin-stdlib-common-1.6.20.jar:8da40a2520d30dcb1012176fe93d24e82d08a3e346c37e0343b0fb6f64f6be01',
-		'org.jetbrains.kotlin:kotlin-stdlib-common:1.7.0:kotlin-stdlib-common-1.7.0.jar:59c6ff64fe9a6604afce03e8aaa75f83586c6030ac71fb0b34ee7cdefed3618f',
-		'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.5.31:kotlin-stdlib-jdk7-1.5.31.jar:a25bf47353ce899d843cbddee516d621a73473e7fba97f8d0301e7b4aed7c15f',
-		'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.6.10:kotlin-stdlib-jdk7-1.6.10.jar:2aedcdc6b69b33bdf5cc235bcea88e7cf6601146bb6bcdffdb312bbacd7be261',
-		'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.0:kotlin-stdlib-jdk7-1.7.0.jar:07e91be9b2ca20672d2bdb7e181b766e73453a2da13492b5ddaee8fa47aea239',
-		'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.5.31:kotlin-stdlib-jdk8-1.5.31.jar:b548f7767aacf029d2417e47440742bd6d3ebede19b60386e23554ce5c4c5fdc',
-		'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.10:kotlin-stdlib-jdk8-1.6.10.jar:1456d82d039ea30d8485b032901f52bbf07e7cdbe8bb1f8708ad32a8574c41ce',
-		'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.0:kotlin-stdlib-jdk8-1.7.0.jar:cf058e11db1dfc9944680c8c61b95ac689aaaa8a3eb30bced028100f038f030b',
-		'org.jetbrains.kotlin:kotlin-stdlib:1.6.20:kotlin-stdlib-1.6.20.jar:eeb51c2b67b26233fd81d0bc4f8044ec849718890905763ceffd84a31e2cb799',
-		'org.jetbrains.kotlin:kotlin-stdlib:1.7.0:kotlin-stdlib-1.7.0.jar:aa88e9625577957f3249a46cb6e166ee09b369e600f7a11d148d16b0a6d87f05',
-		'org.jetbrains.kotlinx:kotlinx-metadata-jvm:0.5.0:kotlinx-metadata-jvm-0.5.0.jar:ca063a96639b08b9eaa0de4d65e899480740a6efbe28ab9a8681a2ced03055a4',
+		'org.jetbrains.kotlin:kotlin-stdlib-common:1.9.10:kotlin-stdlib-common-1.9.10.jar:cde3341ba18a2ba262b0b7cf6c55b20c90e8d434e42c9a13e6a3f770db965a88',
+		'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.9.0:kotlin-stdlib-jdk7-1.9.0.jar:b7979a7aac94055f0d9f1fd3b47ce5ffe1cb6032a842ba9fbe7186f085289178',
+		'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.9.10:kotlin-stdlib-jdk7-1.9.10.jar:ac6361bf9ad1ed382c2103d9712c47cdec166232b4903ed596e8876b0681c9b7',
+		'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.0:kotlin-stdlib-jdk8-1.9.0.jar:a59fa24fdf1ffb594baecdbf0fd10010f977cea10236d487fe3464977a7377fa',
+		'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.10:kotlin-stdlib-jdk8-1.9.10.jar:a4c74d94d64ce1abe53760fe0389dd941f6fc558d0dab35e47c085a11ec80f28',
+		'org.jetbrains.kotlin:kotlin-stdlib:1.9.10:kotlin-stdlib-1.9.10.jar:55e989c512b80907799f854309f3bc7782c5b3d13932442d0379d5c472711504',
+		'org.jetbrains.kotlin:kotlin-stdlib:1.9.20:kotlin-stdlib-1.9.20.jar:28a35bcdff46d864f80f346a617e486284b208d17378c41900dfb1de95a90e6c',
 		'org.jetbrains:annotations:13.0:annotations-13.0.jar:ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478',
 		'org.jmock:jmock-imposters:2.12.0:jmock-imposters-2.12.0.jar:3b836269745a137c9b2347e8d7c2104845b126ef04f012d6bfd94f1a7dea7b09',
 		'org.jmock:jmock-junit4:2.12.0:jmock-junit4-2.12.0.jar:3233062fc889637c151a24f1ee086bad04321ab7d8264fef279daff0fa27205b',

bramble-java/witness.gradle

@@ -3,18 +3,16 @@ dependencyVerification {
 		'cglib:cglib:3.2.8:cglib-3.2.8.jar:3f64de999ecc5595dc84ca8ff0879d8a34c8623f9ef3c517a53ed59023fcb9db',
 		'com.google.code.findbugs:annotations:3.0.1:annotations-3.0.1.jar:6b47ff0a6de0ce17cbedc3abb0828ca5bce3009d53ea47b3723ff023c4742f79',
 		'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
-		'com.google.dagger:dagger-compiler:2.45:dagger-compiler-2.45.jar:5617dfb994537dba5b41f3744a6dd13ec3cd99789c065e0d5c6fa9f21cf7ca25',
-		'com.google.dagger:dagger-producers:2.45:dagger-producers-2.45.jar:a05abb4c3ccf6bb0f056bdcb5ef973898ecf172952ab5948a824aeea6c86ecaa',
-		'com.google.dagger:dagger-spi:2.45:dagger-spi-2.45.jar:7cd6f0b09d88e64a9c97bc80e544ab8ac8fdee9301754413585a74cf64222b27',
-		'com.google.dagger:dagger:2.45:dagger-2.45.jar:f011cae7d2c0fb7ea17c34e05bc10e768b1081a5892ad019cf1fdb0e125c49c1',
-		'com.google.devtools.ksp:symbol-processing-api:1.7.0-1.0.6:symbol-processing-api-1.7.0-1.0.6.jar:adc29417be5ca9ff42118105fea4e36d9ef44987abfc41432309371a60198941',
-		'com.google.errorprone:error_prone_annotations:2.7.1:error_prone_annotations-2.7.1.jar:cd5257c08a246cf8628817ae71cb822be192ef91f6881ca4a3fcff4f1de1cff3',
+		'com.google.dagger:dagger-compiler:2.51.1:dagger-compiler-2.51.1.jar:14cf2def1c4c8cd3b977840e297b463191d537cd1c8330992ca5c0b341a641ad',
+		'com.google.dagger:dagger-spi:2.51.1:dagger-spi-2.51.1.jar:deb52030b92b27c5dcd76b2c0747f1cf105b60939f6073b43eb06cfe7c9ba601',
+		'com.google.dagger:dagger:2.51.1:dagger-2.51.1.jar:c3891a4c4a4e48682888ca321eaf8497004b286e1d9a2936867373219f7dd86d',
+		'com.google.devtools.ksp:symbol-processing-api:1.9.20-1.0.14:symbol-processing-api-1.9.20-1.0.14.jar:d0339396f40dc9eb3b3f7bc86257f93869ee23448fa31ec4a1de900c6b7ae6d7',
+		'com.google.errorprone:error_prone_annotations:2.23.0:error_prone_annotations-2.23.0.jar:ec6f39f068b6ff9ac323c68e28b9299f8c0a80ca512dccb1d4a70f40ac3ec054',
 		'com.google.errorprone:javac-shaded:9-dev-r4023-3:javac-shaded-9-dev-r4023-3.jar:65bfccf60986c47fbc17c9ebab0be626afc41741e0a6ec7109e0768817a36f30',
 		'com.google.googlejavaformat:google-java-format:1.5:google-java-format-1.5.jar:aa19ad7850fb85178aa22f2fddb163b84d6ce4d0035872f30d4408195ca1144e',
-		'com.google.guava:failureaccess:1.0.1:failureaccess-1.0.1.jar:a171ee4c734dd2da837e4b16be9df4661afab72a41adaf31eb84dfdaf936ca26',
-		'com.google.guava:guava:31.0.1-jre:guava-31.0.1-jre.jar:d5be94d65e87bd219fb3193ad1517baa55a3b88fc91d21cf735826ab5af087b9',
+		'com.google.guava:failureaccess:1.0.2:failureaccess-1.0.2.jar:8a8f81cf9b359e3f6dfa691a1e776985c061ef2f223c9b2c80753e1b458e8064',
+		'com.google.guava:guava:33.0.0-jre:guava-33.0.0-jre.jar:f4d85c3e4d411694337cb873abea09b242b664bb013320be6105327c45991537',
 		'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava:listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar:b372a037d4230aa57fbeffdef30fd6123f9c0c2db85d0aced00c91b974f33f99',
-		'com.google.j2objc:j2objc-annotations:1.3:j2objc-annotations-1.3.jar:21af30c92267bd6122c0e0b4d20cccb6641a37eaf956c6540ec471d584e64a7b',
 		'com.squareup:javapoet:1.13.0:javapoet-1.13.0.jar:4c7517e848a71b36d069d12bb3bf46a70fd4cda3105d822b0ed2e19c00b69291',
 		'com.squareup:kotlinpoet:1.11.0:kotlinpoet-1.11.0.jar:2887ada1ca03dd83baa2758640d87e840d1907564db0ef88d2289c868a980492',
 		'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
@@ -27,19 +25,17 @@ dependencyVerification {
 		'org.apache-extras.beanshell:bsh:2.0b6:bsh-2.0b6.jar:a17955976070c0573235ee662f2794a78082758b61accffce8d3f8aedcd91047',
 		'org.briarproject:jtorctl:0.5:jtorctl-0.5.jar:43f8c7d390169772b9a2c82ab806c8414c136a2a8636c555e22754bb7260793b',
 		'org.briarproject:null-safety:0.1:null-safety-0.1.jar:161760de5e838cb982bafa973df820675d4397098e9a91637a36a306d43ba011',
-		'org.briarproject:onionwrapper-core:0.1.0:onionwrapper-core-0.1.0.jar:3e6631771b891c959403f6145de034c6f9816e7d067808d534f954eef9a1ca35',
-		'org.briarproject:onionwrapper-java:0.1.0:onionwrapper-java-0.1.0.jar:c1a961c73f06d28e2a63c301d4e747398745bfc9709ade4ae3ba8818c6849fe0',
+		'org.briarproject:onionwrapper-core:0.1.3:onionwrapper-core-0.1.3.jar:32d08c9d81a9591e08d7e64e3569334fee21f503b00514006f2e6cbbd409d0df',
+		'org.briarproject:onionwrapper-java:0.1.3:onionwrapper-java-0.1.3.jar:a6bc535e8ea55e567c932f23123eabd10ad53251d3a1e5648960b177e7ab209b',
 		'org.checkerframework:checker-compat-qual:2.5.5:checker-compat-qual-2.5.5.jar:11d134b245e9cacc474514d2d66b5b8618f8039a1465cdc55bbc0b34e0008b7a',
-		'org.checkerframework:checker-qual:3.12.0:checker-qual-3.12.0.jar:ff10785ac2a357ec5de9c293cb982a2cbb605c0309ea4cc1cb9b9bc6dbe7f3cb',
+		'org.checkerframework:checker-qual:3.41.0:checker-qual-3.41.0.jar:2f9f245bf68e4259d610894f2406dc1f6363dc639302bd566e8272e4f4541172',
 		'org.hamcrest:hamcrest-core:2.1:hamcrest-core-2.1.jar:e09109e54a289d88506b9bfec987ddd199f4217c9464132668351b9a4f00bee9',
 		'org.hamcrest:hamcrest-library:2.1:hamcrest-library-2.1.jar:b7e2b6895b3b679f0e47b6380fda391b225e9b78505db9d8bdde8d3cc8d52a21',
 		'org.hamcrest:hamcrest:2.1:hamcrest-2.1.jar:ba93b2e3a562322ba432f0a1b53addcc55cb188253319a020ed77f824e692050',
 		'org.jetbrains.kotlin:kotlin-reflect:1.6.10:kotlin-reflect-1.6.10.jar:3277ac102ae17aad10a55abec75ff5696c8d109790396434b496e75087854203',
-		'org.jetbrains.kotlin:kotlin-stdlib-common:1.7.0:kotlin-stdlib-common-1.7.0.jar:59c6ff64fe9a6604afce03e8aaa75f83586c6030ac71fb0b34ee7cdefed3618f',
-		'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.0:kotlin-stdlib-jdk7-1.7.0.jar:07e91be9b2ca20672d2bdb7e181b766e73453a2da13492b5ddaee8fa47aea239',
-		'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.0:kotlin-stdlib-jdk8-1.7.0.jar:cf058e11db1dfc9944680c8c61b95ac689aaaa8a3eb30bced028100f038f030b',
-		'org.jetbrains.kotlin:kotlin-stdlib:1.7.0:kotlin-stdlib-1.7.0.jar:aa88e9625577957f3249a46cb6e166ee09b369e600f7a11d148d16b0a6d87f05',
-		'org.jetbrains.kotlinx:kotlinx-metadata-jvm:0.5.0:kotlinx-metadata-jvm-0.5.0.jar:ca063a96639b08b9eaa0de4d65e899480740a6efbe28ab9a8681a2ced03055a4',
+		'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.9.0:kotlin-stdlib-jdk7-1.9.0.jar:b7979a7aac94055f0d9f1fd3b47ce5ffe1cb6032a842ba9fbe7186f085289178',
+		'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.0:kotlin-stdlib-jdk8-1.9.0.jar:a59fa24fdf1ffb594baecdbf0fd10010f977cea10236d487fe3464977a7377fa',
+		'org.jetbrains.kotlin:kotlin-stdlib:1.9.20:kotlin-stdlib-1.9.20.jar:28a35bcdff46d864f80f346a617e486284b208d17378c41900dfb1de95a90e6c',
 		'org.jetbrains:annotations:13.0:annotations-13.0.jar:ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478',
 		'org.jmock:jmock-imposters:2.12.0:jmock-imposters-2.12.0.jar:3b836269745a137c9b2347e8d7c2104845b126ef04f012d6bfd94f1a7dea7b09',
 		'org.jmock:jmock-junit4:2.12.0:jmock-junit4-2.12.0.jar:3233062fc889637c151a24f1ee086bad04321ab7d8264fef279daff0fa27205b',

briar-android/.tx/config

@@ -1,6 +1,6 @@
 [main]
 host     = https://www.transifex.com
-lang_map = pt_BR: pt-rBR, nb_NO: nb, zh-Hans: zh-rCN, zh-Hant: zh-rTW
+lang_map = es_CU: es-rCU, pt_BR: pt-rBR, pt_PT: pt-rPT, nb_NO: nb, zh-Hans: zh-rCN, zh-Hant: zh-rTW
 
 [o:otf:p:briar:r:google-play-full-description]
 file_filter  = fastlane/metadata/android/<lang>/full_description.txt

briar-android/build.gradle

@@ -16,8 +16,8 @@ def getStdout = { command, defaultValue ->
 }
 
 android {
-	compileSdkVersion 33
-	buildToolsVersion '33.0.0'
+	compileSdk 34
+	buildToolsVersion '34.0.0'
 
 	packagingOptions {
 		doNotStrip '**/*.so'
@@ -25,9 +25,9 @@ android {
 
 	defaultConfig {
 		minSdkVersion 21
-		targetSdkVersion 33
-		versionCode 10510
-		versionName "1.5.10"
+		targetSdkVersion 34
+		versionCode 10514
+		versionName "1.5.14"
 		applicationId "org.briarproject.briar.android"
 		buildConfigField "String", "TorVersion", "\"$tor_version\""
 
@@ -108,16 +108,15 @@ dependencies {
 	implementation project(':bramble-android')
 	implementation project(':briar-core')
 
-	implementation 'androidx.fragment:fragment:1.5.5'
-	implementation 'androidx.preference:preference:1.2.0'
-	implementation 'androidx.exifinterface:exifinterface:1.3.6'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1'
-	implementation 'androidx.lifecycle:lifecycle-livedata:2.5.1'
+	// newer versions of the libraries below require compileSdk 34
+	implementation 'androidx.fragment:fragment:1.6.2'
+	implementation 'androidx.preference:preference:1.2.1'
+	implementation 'androidx.exifinterface:exifinterface:1.3.7'
+	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.2'
+	implementation 'androidx.lifecycle:lifecycle-livedata:2.6.2'
 
 	implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-	// check https://github.com/material-components/material-components-android/issues/3191
-	// before upgrading material library
-	implementation 'com.google.android.material:material:1.7.0'
+	implementation 'com.google.android.material:material:1.9.0'
 	implementation 'androidx.recyclerview:recyclerview-selection:1.1.0'
 
 	// force kotlin standard lib to latest version to prevent jetifier issues
@@ -131,7 +130,7 @@ dependencies {
 	implementation 'com.vanniktech:emoji-google:0.9.0' // newer versions are more work to adapt
 	implementation 'com.github.kobakei:MaterialFabSpeedDial:1.2.1'
 	implementation 'com.github.chrisbanes:PhotoView:2.3.0'
-	def glideVersion = '4.14.2'
+	def glideVersion = '4.16.0'
 	implementation("com.github.bumptech.glide:glide:$glideVersion") {
 		exclude group: 'com.android.support'
 		exclude module: 'disklrucache' // when there's no disk cache, we can't accidentally use it

briar-android/src/main/AndroidManifest.xml

@@ -39,6 +39,8 @@
 	<uses-permission-sdk-23 android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
 	<uses-permission-sdk-23 android:name="android.permission.USE_BIOMETRIC" />
 	<uses-permission-sdk-23 android:name="android.permission.FOREGROUND_SERVICE" />
+	<uses-permission-sdk-23 android:name="android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE" />
+	<uses-permission-sdk-23 android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
 
 	<uses-permission
 		android:name="android.permission.HIDE_OVERLAY_WINDOWS"
@@ -68,7 +70,8 @@
 
 		<service
 			android:name="org.briarproject.briar.android.BriarService"
-			android:exported="false">
+			android:exported="false"
+			android:foregroundServiceType="connectedDevice|dataSync">
 			<intent-filter>
 				<action android:name="org.briarproject.briar.android.BriarService" />
 			</intent-filter>
@@ -109,12 +112,12 @@
 		<activity
 			android:name="org.briarproject.briar.android.login.StartupActivity"
 			android:exported="false"
-			android:label="@string/app_name" />
+			android:theme="@style/BriarTheme.NoActionBar" />
 
 		<activity
 			android:name="org.briarproject.briar.android.account.SetupActivity"
 			android:exported="false"
-			android:label="@string/setup_title" />
+			android:theme="@style/BriarTheme.NoActionBar" />
 
 		<activity
 			android:name="org.briarproject.briar.android.splash.SplashScreenActivity"

briar-android/src/main/java/org/briarproject/bramble/account/BriarAccountManager.java

@@ -27,7 +27,7 @@ class BriarAccountManager extends AndroidAccountManager {
 			super.deleteAccount();
 			Localizer.reinitialize();
 			UiUtils.setTheme(appContext,
-					appContext.getString(R.string.pref_theme_light_value));
+					appContext.getString(R.string.pref_theme_system_value));
 		}
 	}
 }

briar-android/src/main/java/org/briarproject/briar/android/BriarApplicationImpl.java

@@ -33,6 +33,7 @@ import static java.util.logging.Level.FINE;
 import static java.util.logging.Level.INFO;
 import static java.util.logging.Logger.getLogger;
 import static org.briarproject.briar.android.TestingConstants.IS_DEBUG_BUILD;
+import static org.briarproject.briar.android.settings.DisplayFragment.PREF_THEME;
 
 public class BriarApplicationImpl extends Application
 		implements BriarApplication {
@@ -109,11 +110,11 @@ public class BriarApplicationImpl extends Application
 	}
 
 	private void setTheme(Context ctx, SharedPreferences prefs) {
-		String theme = prefs.getString("pref_key_theme", null);
+		String theme = prefs.getString(PREF_THEME, null);
 		if (theme == null) {
 			// set default value
-			theme = getString(R.string.pref_theme_light_value);
-			prefs.edit().putString("pref_key_theme", theme).apply();
+			theme = getString(R.string.pref_theme_system_value);
+			prefs.edit().putString(PREF_THEME, theme).apply();
 		}
 		// set theme
 		UiUtils.setTheme(ctx, theme);

briar-android/src/main/java/org/briarproject/briar/android/BriarService.java

@@ -22,6 +22,7 @@ import org.briarproject.bramble.api.lifecycle.LifecycleManager;
 import org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult;
 import org.briarproject.bramble.api.system.AndroidExecutor;
 import org.briarproject.bramble.api.system.Clock;
+import org.briarproject.bramble.util.AndroidUtils;
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.logout.HideUiActivity;
 import org.briarproject.briar.api.android.AndroidNotificationManager;
@@ -174,7 +175,8 @@ public class BriarService extends Service {
 			filter.addAction(ACTION_SHUTDOWN);
 			filter.addAction("android.intent.action.QUICKBOOT_POWEROFF");
 			filter.addAction("com.htc.intent.action.QUICKBOOT_POWEROFF");
-			registerReceiver(receiver, filter);
+			AndroidUtils.registerReceiver(getApplicationContext(), receiver,
+					filter);
 		}, "LifecycleStartup");
 	}
 
@@ -215,17 +217,14 @@ public class BriarService extends Service {
 
 	@Override
 	public void onDestroy() {
-		// Hold a wake lock during shutdown
-		wakeLockManager.runWakefully(() -> {
-			super.onDestroy();
-			LOG.info("Destroyed");
-			stopForeground(true);
-			if (receiver != null) unregisterReceiver(receiver);
-			// Stop the services in a background thread
-			wakeLockManager.executeWakefully(() -> {
-				if (started) lifecycleManager.stopServices();
-			}, "LifecycleShutdown");
-		}, "LifecycleShutdown");
+		super.onDestroy();
+		LOG.info("Destroyed");
+		// Stop the lifecycle, if not already stopped
+		shutdown(false);
+		stopForeground(true);
+		if (receiver != null) {
+			getApplicationContext().unregisterReceiver(receiver);
+		}
 	}
 
 	@Override
@@ -295,8 +294,8 @@ public class BriarService extends Service {
 	private void shutdownFromBackground() {
 		// Hold a wake lock during shutdown
 		wakeLockManager.runWakefully(() -> {
-			// Stop the service
-			stopSelf();
+			// Begin lifecycle shutdown
+			shutdown(true);
 			// Hide the UI
 			hideUi();
 			// Wait for shutdown to complete, then exit
@@ -331,8 +330,18 @@ public class BriarService extends Service {
 	/**
 	 * Starts the shutdown process.
 	 */
-	public void shutdown() {
-		stopSelf(); // This will call onDestroy()
+	public void shutdown(boolean stopAndroidService) {
+		// Hold a wake lock during shutdown
+		wakeLockManager.runWakefully(() -> {
+			// Stop the lifecycle services in a background thread,
+			// then stop this Android service if needed
+			wakeLockManager.executeWakefully(() -> {
+				if (started) lifecycleManager.stopServices();
+				if (stopAndroidService) {
+					androidExecutor.runOnUiThread(() -> stopSelf());
+				}
+			}, "LifecycleShutdown");
+		}, "LifecycleShutdown");
 	}
 
 	public class BriarBinder extends Binder {

briar-android/src/main/java/org/briarproject/briar/android/DozeWatchdogImpl.java

@@ -21,6 +21,7 @@ import static android.os.PowerManager.ACTION_DEVICE_LIGHT_IDLE_MODE_CHANGED;
 import static android.os.PowerManager.ACTION_LOW_POWER_STANDBY_ENABLED_CHANGED;
 import static java.util.logging.Level.WARNING;
 import static java.util.logging.Logger.getLogger;
+import static org.briarproject.bramble.util.AndroidUtils.registerReceiver;
 
 class DozeWatchdogImpl implements DozeWatchdog, Service {
 
@@ -48,7 +49,7 @@ class DozeWatchdogImpl implements DozeWatchdog, Service {
 			filter.addAction(ACTION_DEVICE_LIGHT_IDLE_MODE_CHANGED);
 			filter.addAction(ACTION_LOW_POWER_STANDBY_ENABLED_CHANGED);
 		}
-		appContext.registerReceiver(receiver, filter);
+		registerReceiver(appContext, receiver, filter);
 	}
 
 	@Override

briar-android/src/main/java/org/briarproject/briar/android/ScreenFilterMonitorImpl.java

@@ -49,6 +49,7 @@ import static android.content.pm.PackageManager.GET_PERMISSIONS;
 import static android.content.pm.PackageManager.GET_SIGNATURES;
 import static android.os.Build.VERSION.SDK_INT;
 import static java.util.logging.Level.WARNING;
+import static org.briarproject.bramble.util.AndroidUtils.registerReceiver;
 import static org.briarproject.bramble.util.LogUtils.logException;
 
 @NotNullByDefault
@@ -207,7 +208,7 @@ class ScreenFilterMonitorImpl implements ScreenFilterMonitor, Service {
 			filter.addAction(ACTION_PACKAGE_REPLACED);
 			filter.addDataScheme("package");
 			receiver = new PackageBroadcastReceiver();
-			app.registerReceiver(receiver, filter);
+			registerReceiver(app, receiver, filter);
 			cachedApps = null;
 		});
 	}

briar-android/src/main/java/org/briarproject/briar/android/account/AuthorNameFragment.java

@@ -18,7 +18,9 @@ import javax.annotation.Nullable;
 
 import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_AUTHOR_NAME_LENGTH;
 import static org.briarproject.bramble.util.StringUtils.toUtf8;
+import static org.briarproject.briar.android.util.UiUtils.hideViewOnSmallScreen;
 import static org.briarproject.briar.android.util.UiUtils.setError;
+import static org.briarproject.briar.android.util.UiUtils.showOnboardingDialog;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
@@ -38,19 +40,27 @@ public class AuthorNameFragment extends SetupFragment {
 	public View onCreateView(LayoutInflater inflater,
 			@Nullable ViewGroup container,
 			@Nullable Bundle savedInstanceState) {
-		requireActivity().setTitle(getString(R.string.setup_title));
 		View v = inflater.inflate(R.layout.fragment_setup_author_name,
 				container, false);
 		authorNameWrapper = v.findViewById(R.id.nickname_entry_wrapper);
 		authorNameInput = v.findViewById(R.id.nickname_entry);
+		Button infoButton = v.findViewById(R.id.info_button);
 		nextButton = v.findViewById(R.id.next);
 
 		authorNameInput.addTextChangedListener(this);
+		infoButton.setOnClickListener(view ->
+				showOnboardingDialog(requireContext(), getHelpText()));
 		nextButton.setOnClickListener(this);
 
 		return v;
 	}
 
+	@Override
+	public void onStart() {
+		super.onStart();
+		hideViewOnSmallScreen(requireView().findViewById(R.id.logo));
+	}
+
 	@Override
 	public String getUniqueTag() {
 		return TAG;

briar-android/src/main/java/org/briarproject/briar/android/account/DozeFragment.java

@@ -23,6 +23,7 @@ import static android.view.View.VISIBLE;
 import static android.widget.Toast.LENGTH_LONG;
 import static org.briarproject.android.dontkillmelib.DozeUtils.getDozeWhitelistingIntent;
 import static org.briarproject.briar.android.activity.RequestCodes.REQUEST_DOZE_WHITELISTING;
+import static org.briarproject.briar.android.util.UiUtils.hideViewOnSmallScreen;
 import static org.briarproject.briar.android.util.UiUtils.showOnboardingDialog;
 
 @MethodsNotNullByDefault
@@ -79,6 +80,12 @@ public class DozeFragment extends SetupFragment
 		return v;
 	}
 
+	@Override
+	public void onStart() {
+		super.onStart();
+		hideViewOnSmallScreen(requireView().findViewById(R.id.logo));
+	}
+
 	@Override
 	public String getUniqueTag() {
 		return TAG;

briar-android/src/main/java/org/briarproject/briar/android/account/SetPasswordFragment.java

@@ -28,10 +28,12 @@ import static android.content.pm.PackageManager.PERMISSION_GRANTED;
 import static android.os.Build.VERSION.SDK_INT;
 import static android.view.View.INVISIBLE;
 import static android.view.View.VISIBLE;
-import static android.view.inputmethod.EditorInfo.IME_ACTION_DONE;
 import static androidx.core.content.ContextCompat.checkSelfPermission;
 import static org.briarproject.bramble.api.crypto.PasswordStrengthEstimator.QUITE_WEAK;
+import static org.briarproject.bramble.api.crypto.PasswordStrengthEstimator.STRONG;
+import static org.briarproject.briar.android.util.UiUtils.hideViewOnSmallScreen;
 import static org.briarproject.briar.android.util.UiUtils.setError;
+import static org.briarproject.briar.android.util.UiUtils.showOnboardingDialog;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
@@ -57,7 +59,6 @@ public class SetPasswordFragment extends SetupFragment {
 	public View onCreateView(LayoutInflater inflater,
 			@Nullable ViewGroup container,
 			@Nullable Bundle savedInstanceState) {
-		requireActivity().setTitle(getString(R.string.setup_password_intro));
 		View v = inflater.inflate(R.layout.fragment_setup_password, container,
 				false);
 
@@ -67,17 +68,18 @@ public class SetPasswordFragment extends SetupFragment {
 		passwordConfirmationWrapper =
 				v.findViewById(R.id.password_confirm_wrapper);
 		passwordConfirmation = v.findViewById(R.id.password_confirm);
+		Button infoButton = v.findViewById(R.id.info_button);
 		nextButton = v.findViewById(R.id.next);
 		ProgressBar progressBar = v.findViewById(R.id.progress);
 
 		passwordEntry.addTextChangedListener(this);
 		passwordConfirmation.addTextChangedListener(this);
+		infoButton.setOnClickListener(view ->
+				showOnboardingDialog(requireContext(), getHelpText()));
 		nextButton.setOnClickListener(this);
 
 		if (!viewModel.needToShowDozeFragment()) {
 			nextButton.setText(R.string.create_account_button);
-			int options = passwordConfirmation.getImeOptions();
-			passwordConfirmation.setImeOptions(options | IME_ACTION_DONE);
 		}
 
 		viewModel.getIsCreatingAccount()
@@ -94,6 +96,12 @@ public class SetPasswordFragment extends SetupFragment {
 		return v;
 	}
 
+	@Override
+	public void onStart() {
+		super.onStart();
+		hideViewOnSmallScreen(requireView().findViewById(R.id.logo));
+	}
+
 	@Override
 	public String getUniqueTag() {
 		return TAG;
@@ -110,17 +118,27 @@ public class SetPasswordFragment extends SetupFragment {
 		String password2 = passwordConfirmation.getText().toString();
 		boolean passwordsMatch = password1.equals(password2);
 
-		strengthMeter
-				.setVisibility(password1.length() > 0 ? VISIBLE : INVISIBLE);
+		strengthMeter.setVisibility(!password1.isEmpty() ? VISIBLE : INVISIBLE);
 		float strength = viewModel.estimatePasswordStrength(password1);
 		strengthMeter.setStrength(strength);
 		boolean strongEnough = strength >= QUITE_WEAK;
 
+		if (!password1.isEmpty()) {
+			if (strength >= STRONG) {
+				passwordEntryWrapper.setHelperText(
+						getString(R.string.password_strong));
+			} else if (strength >= QUITE_WEAK) {
+				passwordEntryWrapper.setHelperText(
+						getString(R.string.password_quite_strong));
+			} else {
+				passwordEntryWrapper.setHelperTextEnabled(false);
+			}
+		}
 		setError(passwordEntryWrapper, getString(R.string.password_too_weak),
-				password1.length() > 0 && !strongEnough);
+				!password1.isEmpty() && !strongEnough);
 		setError(passwordConfirmationWrapper,
 				getString(R.string.passwords_do_not_match),
-				password2.length() > 0 && !passwordsMatch);
+				!password2.isEmpty() && !passwordsMatch);
 
 		boolean enabled = passwordsMatch && strongEnough;
 		nextButton.setEnabled(enabled);

briar-android/src/main/java/org/briarproject/briar/android/account/UnlockActivity.java

@@ -1,5 +1,6 @@
 package org.briarproject.briar.android.account;
 
+import android.annotation.SuppressLint;
 import android.app.KeyguardManager;
 import android.content.ActivityNotFoundException;
 import android.content.Intent;
@@ -113,6 +114,7 @@ public class UnlockActivity extends BaseActivity {
 	}
 
 	@Override
+	@SuppressLint("MissingSuperCall")
 	public void onBackPressed() {
 		moveTaskToBack(true);
 	}

briar-android/src/main/java/org/briarproject/briar/android/activity/BriarActivity.java

@@ -7,6 +7,8 @@ import android.view.Window;
 import android.widget.CheckBox;
 import android.widget.Toast;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.android.dontkillmelib.wakelock.AndroidWakeLockManager;
 import org.briarproject.bramble.api.system.Wakeful;
 import org.briarproject.briar.R;
@@ -177,8 +179,8 @@ public abstract class BriarActivity extends BaseActivity {
 	}
 
 	protected void showDozeDialog(@StringRes int message) {
-		AlertDialog.Builder b =
-				new AlertDialog.Builder(this, R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder b =
+				new MaterialAlertDialogBuilder(this, R.style.BriarDialogTheme);
 		b.setMessage(message);
 		b.setView(R.layout.checkbox);
 		b.setPositiveButton(R.string.fix,

briar-android/src/main/java/org/briarproject/briar/android/blog/BlogFragment.java

@@ -10,6 +10,8 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Toast;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.bramble.api.sync.GroupId;
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.activity.ActivityComponent;
@@ -27,7 +29,6 @@ import javax.inject.Inject;
 
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
-import androidx.appcompat.app.AlertDialog;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView.LayoutManager;
@@ -220,8 +221,8 @@ public class BlogFragment extends BaseFragment
 	}
 
 	private void showDeleteDialog() {
-		AlertDialog.Builder builder = new AlertDialog.Builder(requireContext(),
-				R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
+				requireContext(), R.style.BriarDialogTheme);
 		builder.setTitle(getString(R.string.blogs_remove_blog));
 		builder.setMessage(
 				getString(R.string.blogs_remove_blog_dialog_message));

briar-android/src/main/java/org/briarproject/briar/android/blog/RssFeedDeleteFeedDialogFragment.java

@@ -4,6 +4,8 @@ import android.app.Dialog;
 import android.content.Context;
 import android.os.Bundle;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.bramble.api.sync.GroupId;
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.activity.BaseActivity;
@@ -13,7 +15,6 @@ import org.briarproject.nullsafety.ParametersNotNullByDefault;
 import javax.inject.Inject;
 
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.DialogFragment;
 import androidx.lifecycle.ViewModelProvider;
 
@@ -51,8 +52,8 @@ public class RssFeedDeleteFeedDialogFragment extends DialogFragment {
 	public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
 		GroupId groupId = new GroupId(
 				requireNonNull(requireArguments().getByteArray(GROUP_ID)));
-		AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity(),
-				R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
+				requireActivity(), R.style.BriarDialogTheme);
 		builder.setTitle(getString(R.string.blogs_rss_remove_feed));
 		builder.setMessage(
 				getString(R.string.blogs_rss_remove_feed_dialog_message));

briar-android/src/main/java/org/briarproject/briar/android/blog/RssFeedImportFailedDialogFragment.java

@@ -4,6 +4,8 @@ import android.app.Dialog;
 import android.content.Context;
 import android.os.Bundle;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.activity.BaseActivity;
 import org.briarproject.nullsafety.MethodsNotNullByDefault;
@@ -12,7 +14,6 @@ import org.briarproject.nullsafety.ParametersNotNullByDefault;
 import javax.inject.Inject;
 
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.DialogFragment;
 import androidx.lifecycle.ViewModelProvider;
 
@@ -47,8 +48,8 @@ public class RssFeedImportFailedDialogFragment extends DialogFragment {
 
 	@Override
 	public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
-		AlertDialog.Builder builder =
-				new AlertDialog.Builder(requireActivity(),
+		MaterialAlertDialogBuilder builder =
+				new MaterialAlertDialogBuilder(requireActivity(),
 						R.style.BriarDialogTheme);
 		builder.setMessage(R.string.blogs_rss_feeds_import_error);
 		builder.setNegativeButton(R.string.cancel, null);

briar-android/src/main/java/org/briarproject/briar/android/contact/add/nearby/AddNearbyContactViewModel.java

@@ -88,6 +88,7 @@ import static org.briarproject.bramble.api.plugin.Plugin.State.ACTIVE;
 import static org.briarproject.bramble.api.plugin.Plugin.State.DISABLED;
 import static org.briarproject.bramble.api.plugin.Plugin.State.INACTIVE;
 import static org.briarproject.bramble.api.plugin.Plugin.State.STARTING_STOPPING;
+import static org.briarproject.bramble.util.AndroidUtils.registerReceiver;
 import static org.briarproject.bramble.util.LogUtils.logException;
 import static org.briarproject.bramble.util.StringUtils.ISO_8859_1;
 import static org.briarproject.briar.android.contact.add.nearby.AddNearbyContactPermissionManager.areEssentialPermissionsGranted;
@@ -208,7 +209,7 @@ class AddNearbyContactViewModel extends AndroidViewModel
 		qrCodeDecoder = new QrCodeDecoder(androidExecutor, ioExecutor, this);
 		eventBus.addListener(this);
 		IntentFilter filter = new IntentFilter(ACTION_SCAN_MODE_CHANGED);
-		getApplication().registerReceiver(bluetoothReceiver, filter);
+		registerReceiver(getApplication(), bluetoothReceiver, filter);
 	}
 
 	@Override

briar-android/src/main/java/org/briarproject/briar/android/contact/add/remote/NicknameFragment.java

@@ -55,6 +55,7 @@ public class NicknameFragment extends BaseFragment {
 
 	private TextInputLayout contactNameLayout;
 	private TextInputEditText contactNameInput;
+	private BriarButton addButton;
 
 	@Override
 	public String getUniqueTag() {
@@ -91,7 +92,7 @@ public class NicknameFragment extends BaseFragment {
 		contactNameLayout = v.findViewById(R.id.contactNameLayout);
 		contactNameInput = v.findViewById(R.id.contactNameInput);
 
-		BriarButton addButton = v.findViewById(R.id.addButton);
+		addButton = v.findViewById(R.id.addButton);
 		addButton.setOnClickListener(view -> onAddButtonClicked());
 
 		return v;
@@ -112,7 +113,7 @@ public class NicknameFragment extends BaseFragment {
 	@Nullable
 	private String getNicknameOrNull() {
 		Editable text = contactNameInput.getText();
-		if (text == null || text.toString().trim().length() == 0) {
+		if (text == null || text.toString().trim().isEmpty()) {
 			contactNameLayout.setError(getString(R.string.nickname_missing));
 			contactNameInput.requestFocus();
 			return null;
@@ -129,7 +130,10 @@ public class NicknameFragment extends BaseFragment {
 
 	private void onAddButtonClicked() {
 		String name = getNicknameOrNull();
-		if (name == null) return;  // invalid nickname
+		if (name == null) { // invalid nickname
+			addButton.reset();
+			return;
+		}
 
 		LifecycleOwner owner = getViewLifecycleOwner();
 		viewModel.getAddContactResult().observe(owner, result -> {

briar-android/src/main/java/org/briarproject/briar/android/contact/add/remote/PendingContactListActivity.java

@@ -4,6 +4,7 @@ import android.content.DialogInterface.OnClickListener;
 import android.os.Bundle;
 import android.view.MenuItem;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.snackbar.Snackbar;
 
 import org.briarproject.bramble.api.contact.PendingContactId;
@@ -21,7 +22,6 @@ import javax.annotation.Nullable;
 import javax.inject.Inject;
 
 import androidx.appcompat.app.ActionBar;
-import androidx.appcompat.app.AlertDialog;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.LinearLayoutManager;
 
@@ -110,7 +110,7 @@ public class PendingContactListActivity extends BriarActivity
 		// show warning dialog
 		OnClickListener removeListener = (dialog, which) ->
 				removePendingContact(item.getPendingContact().getId());
-		AlertDialog.Builder builder = new AlertDialog.Builder(
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
 				PendingContactListActivity.this, R.style.BriarDialogTheme);
 		builder.setTitle(
 				getString(R.string.dialog_title_remove_pending_contact));

briar-android/src/main/java/org/briarproject/briar/android/controller/BriarControllerImpl.java

@@ -147,7 +147,7 @@ public class BriarControllerImpl implements BriarController {
 				service.waitForStartup();
 				// Shut down the service and wait for it to shut down
 				LOG.info("Shutting down service");
-				service.shutdown();
+				service.shutdown(true);
 				service.waitForShutdown();
 			} catch (InterruptedException e) {
 				LOG.warning("Interrupted while waiting for service");

briar-android/src/main/java/org/briarproject/briar/android/conversation/ConversationActivity.java

@@ -19,6 +19,7 @@ import android.widget.ImageView;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.snackbar.Snackbar;
 
 import org.briarproject.bramble.api.FeatureFlags;
@@ -101,7 +102,6 @@ import javax.inject.Inject;
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
-import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.ActionMenuView;
 import androidx.appcompat.widget.Toolbar;
 import androidx.core.app.ActivityCompat;
@@ -812,8 +812,8 @@ public class ConversationActivity extends BriarActivity
 	}
 
 	private void askToDeleteAllMessages() {
-		AlertDialog.Builder builder =
-				new AlertDialog.Builder(this, R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder =
+				new MaterialAlertDialogBuilder(this, R.style.BriarDialogTheme);
 		builder.setTitle(getString(R.string.dialog_title_delete_all_messages));
 		builder.setMessage(
 				getString(R.string.dialog_message_delete_all_messages));
@@ -892,8 +892,8 @@ public class ConversationActivity extends BriarActivity
 		}
 		String msg = join(fails, "\n\n");
 		// show dialog
-		AlertDialog.Builder builder =
-				new AlertDialog.Builder(this, R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder =
+				new MaterialAlertDialogBuilder(this, R.style.BriarDialogTheme);
 		builder.setTitle(
 				getString(R.string.dialog_title_not_all_messages_deleted));
 		builder.setMessage(msg);
@@ -904,8 +904,8 @@ public class ConversationActivity extends BriarActivity
 	private void askToRemoveContact() {
 		DialogInterface.OnClickListener okListener =
 				(dialog, which) -> removeContact();
-		AlertDialog.Builder builder =
-				new AlertDialog.Builder(ConversationActivity.this,
+		MaterialAlertDialogBuilder builder =
+				new MaterialAlertDialogBuilder(ConversationActivity.this,
 						R.style.BriarDialogTheme);
 		builder.setTitle(getString(R.string.dialog_title_delete_contact));
 		builder.setMessage(

briar-android/src/main/java/org/briarproject/briar/android/forum/ForumActivity.java

@@ -7,6 +7,8 @@ import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.activity.ActivityComponent;
 import org.briarproject.briar.android.sharing.ForumSharingStatusActivity;
@@ -20,7 +22,6 @@ import org.briarproject.nullsafety.ParametersNotNullByDefault;
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 
-import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.Toolbar;
 import androidx.lifecycle.ViewModelProvider;
 
@@ -53,7 +54,7 @@ public class ForumActivity extends
 
 	@Override
 	protected ThreadItemAdapter<ForumPostItem> createAdapter() {
-		return new ThreadItemAdapter<>(this);
+		return new ThreadItemAdapter<>(this, this);
 	}
 
 	@Override
@@ -128,7 +129,7 @@ public class ForumActivity extends
 
 	private void showUnsubscribeDialog() {
 		OnClickListener okListener = (dialog, which) -> viewModel.deleteForum();
-		AlertDialog.Builder builder = new AlertDialog.Builder(this,
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this,
 				R.style.BriarDialogTheme);
 		builder.setTitle(getString(R.string.dialog_title_leave_forum));
 		builder.setMessage(getString(R.string.dialog_message_leave_forum));

briar-android/src/main/java/org/briarproject/briar/android/forum/ForumListAdapter.java

@@ -13,15 +13,18 @@ import androidx.recyclerview.widget.ListAdapter;
 @NotNullByDefault
 class ForumListAdapter extends ListAdapter<ForumListItem, ForumViewHolder> {
 
-	ForumListAdapter() {
+	private final ForumListViewModel viewModel;
+
+	ForumListAdapter(ForumListViewModel viewModel) {
 		super(new ForumListCallback());
+		this.viewModel = viewModel;
 	}
 
 	@Override
 	public ForumViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
 		View v = LayoutInflater.from(parent.getContext()).inflate(
 				R.layout.list_item_forum, parent, false);
-		return new ForumViewHolder(v);
+		return new ForumViewHolder(v, viewModel);
 	}
 
 	@Override

briar-android/src/main/java/org/briarproject/briar/android/forum/ForumListFragment.java

@@ -40,7 +40,7 @@ public class ForumListFragment extends BaseFragment implements
 	private ForumListViewModel viewModel;
 	private BriarRecyclerView list;
 	private Snackbar snackbar;
-	private final ForumListAdapter adapter = new ForumListAdapter();
+	private ForumListAdapter adapter;
 
 	@Inject
 	ViewModelProvider.Factory viewModelFactory;
@@ -54,6 +54,7 @@ public class ForumListFragment extends BaseFragment implements
 		component.inject(this);
 		viewModel = new ViewModelProvider(this, viewModelFactory)
 				.get(ForumListViewModel.class);
+		adapter = new ForumListAdapter(viewModel);
 	}
 
 	@Nullable

briar-android/src/main/java/org/briarproject/briar/android/forum/ForumListViewModel.java

@@ -1,6 +1,7 @@
 package org.briarproject.briar.android.forum;
 
 import android.app.Application;
+import android.widget.Toast;
 
 import org.briarproject.bramble.api.contact.event.ContactRemovedEvent;
 import org.briarproject.bramble.api.db.DatabaseExecutor;
@@ -15,6 +16,7 @@ import org.briarproject.bramble.api.sync.GroupId;
 import org.briarproject.bramble.api.sync.event.GroupAddedEvent;
 import org.briarproject.bramble.api.sync.event.GroupRemovedEvent;
 import org.briarproject.bramble.api.system.AndroidExecutor;
+import org.briarproject.briar.R;
 import org.briarproject.briar.android.viewmodel.DbViewModel;
 import org.briarproject.briar.android.viewmodel.LiveResult;
 import org.briarproject.briar.api.android.AndroidNotificationManager;
@@ -40,6 +42,7 @@ import androidx.annotation.UiThread;
 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 
+import static android.widget.Toast.LENGTH_SHORT;
 import static java.util.logging.Logger.getLogger;
 import static org.briarproject.bramble.util.LogUtils.logDuration;
 import static org.briarproject.bramble.util.LogUtils.now;
@@ -180,4 +183,17 @@ class ForumListViewModel extends DbViewModel implements EventListener {
 		return numInvitations;
 	}
 
+	void deleteForum(GroupId groupId) {
+		runOnDbThread(() -> {
+			try {
+				Forum f = forumManager.getForum(groupId);
+				forumManager.removeForum(f);
+				androidExecutor.runOnUiThread(() -> Toast
+						.makeText(getApplication(), R.string.forum_left_toast,
+								LENGTH_SHORT).show());
+			} catch (DbException e) {
+				handleException(e);
+			}
+		});
+	}
 }

briar-android/src/main/java/org/briarproject/briar/android/forum/ForumPostItem.java

@@ -6,10 +6,10 @@ import org.briarproject.briar.api.forum.ForumPostHeader;
 import javax.annotation.concurrent.NotThreadSafe;
 
 @NotThreadSafe
-class ForumPostItem extends ThreadItem {
+public class ForumPostItem extends ThreadItem {
 
-	ForumPostItem(ForumPostHeader h, String text) {
-		super(h.getId(), h.getParentId(), text, h.getTimestamp(), h.getAuthor(),
+	ForumPostItem(ForumPostHeader h) {
+		super(h.getId(), h.getParentId(), h.getTimestamp(), h.getAuthor(),
 				h.getAuthorInfo(), h.isRead());
 	}
 

briar-android/src/main/java/org/briarproject/briar/android/forum/ForumViewHolder.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.PopupMenu;
 import android.widget.TextView;
 
 import org.briarproject.briar.R;
@@ -20,6 +21,7 @@ import static org.briarproject.briar.android.activity.BriarActivity.GROUP_NAME;
 
 class ForumViewHolder extends RecyclerView.ViewHolder {
 
+	private final ForumListViewModel viewModel;
 	private final Context ctx;
 	private final ViewGroup layout;
 	private final TextAvatarView avatar;
@@ -27,8 +29,9 @@ class ForumViewHolder extends RecyclerView.ViewHolder {
 	private final TextView postCount;
 	private final TextView date;
 
-	ForumViewHolder(View v) {
+	ForumViewHolder(View v, ForumListViewModel viewModel) {
 		super(v);
+		this.viewModel = viewModel;
 		ctx = v.getContext();
 		layout = (ViewGroup) v;
 		avatar = v.findViewById(R.id.avatarView);
@@ -64,6 +67,21 @@ class ForumViewHolder extends RecyclerView.ViewHolder {
 			date.setVisibility(VISIBLE);
 		}
 
+		// Open popup menu on long click
+		layout.setOnLongClickListener(v -> {
+			PopupMenu pm = new PopupMenu(ctx, v);
+			pm.getMenuInflater().inflate(R.menu.forum_list_item_actions,
+					pm.getMenu());
+			pm.setOnMenuItemClickListener(it -> {
+				if (it.getItemId() == R.id.action_forum_delete) {
+					viewModel.deleteForum(item.getForum().getId());
+				}
+				return true;
+			});
+			pm.show();
+			return true;
+		});
+
 		// Open Forum on Click
 		layout.setOnClickListener(v -> {
 			Intent i = new Intent(ctx, ForumActivity.class);

briar-android/src/main/java/org/briarproject/briar/android/forum/ForumViewModel.java

@@ -91,9 +91,7 @@ class ForumViewModel extends ThreadListViewModel<ForumPostItem> {
 			ForumPostReceivedEvent f = (ForumPostReceivedEvent) e;
 			if (f.getGroupId().equals(groupId)) {
 				LOG.info("Forum post received, adding...");
-				ForumPostItem item =
-						new ForumPostItem(f.getHeader(), f.getText());
-				addItem(item, false);
+				addItem(new ForumPostItem(f.getHeader()), false);
 			}
 		} else if (e instanceof ForumInvitationResponseReceivedEvent) {
 			ForumInvitationResponseReceivedEvent f =
@@ -139,22 +137,14 @@ class ForumViewModel extends ThreadListViewModel<ForumPostItem> {
 			List<ForumPostHeader> headers =
 					forumManager.getPostHeaders(txn, groupId);
 			logDuration(LOG, "Loading headers", start);
-			start = now();
 			List<ForumPostItem> items = new ArrayList<>();
 			for (ForumPostHeader header : headers) {
-				items.add(loadItem(txn, header));
+				items.add(new ForumPostItem(header));
 			}
-			logDuration(LOG, "Loading bodies and creating items", start);
 			return items;
 		}, this::setItems);
 	}
 
-	private ForumPostItem loadItem(Transaction txn, ForumPostHeader header)
-			throws DbException {
-		String text = forumManager.getPostText(txn, header.getId());
-		return new ForumPostItem(header, text);
-	}
-
 	@Override
 	public void createAndStoreMessage(String text,
 			@Nullable MessageId parentId) {
@@ -175,21 +165,17 @@ class ForumViewModel extends ThreadListViewModel<ForumPostItem> {
 			@Nullable MessageId parentId, LocalAuthor author) {
 		cryptoExecutor.execute(() -> {
 			LOG.info("Creating forum post...");
-			ForumPost msg = forumManager.createLocalPost(groupId, text,
-					timestamp, parentId, author);
-			storePost(msg, text);
+			storePost(forumManager.createLocalPost(groupId, text,
+					timestamp, parentId, author));
 		});
 	}
 
-	private void storePost(ForumPost msg, String text) {
+	private void storePost(ForumPost msg) {
 		runOnDbThread(false, txn -> {
 			long start = now();
 			ForumPostHeader header = forumManager.addLocalPost(txn, msg);
 			logDuration(LOG, "Storing forum post", start);
-			txn.attach(() -> {
-				ForumPostItem item = new ForumPostItem(header, text);
-				addItem(item, true);
-			});
+			txn.attach(() -> addItem(new ForumPostItem(header), true));
 		}, this::handleException);
 	}
 
@@ -229,4 +215,9 @@ class ForumViewModel extends ThreadListViewModel<ForumPostItem> {
 		});
 	}
 
+	@Override
+	protected String getMessageText(Transaction txn, MessageId m)
+			throws DbException {
+		return forumManager.getPostText(txn, m);
+	}
 }

briar-android/src/main/java/org/briarproject/briar/android/fragment/ScreenFilterDialogFragment.java

@@ -13,6 +13,8 @@ import android.view.View;
 import android.widget.CheckBox;
 import android.widget.TextView;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.activity.BaseActivity;
 import org.briarproject.briar.api.android.ScreenFilterMonitor;
@@ -27,7 +29,6 @@ import java.util.Collection;
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.DialogFragment;
 
 import static android.os.Build.VERSION.SDK_INT;
@@ -75,8 +76,8 @@ public class ScreenFilterDialogFragment extends DialogFragment {
 	public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
 		Activity activity = getActivity();
 		if (activity == null) throw new IllegalStateException();
-		AlertDialog.Builder builder = new AlertDialog.Builder(activity,
-				R.style.BriarDialogThemeNoFilter);
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
+				activity, R.style.BriarDialogThemeNoFilter);
 		builder.setTitle(R.string.screen_filter_title);
 		Bundle args = getArguments();
 		if (args == null) throw new IllegalStateException();

briar-android/src/main/java/org/briarproject/briar/android/hotspot/AbstractConditionManager.java

@@ -6,12 +6,13 @@ import android.content.Intent;
 import android.net.wifi.WifiManager;
 import android.widget.Toast;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.briar.R;
 
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.StringRes;
-import androidx.appcompat.app.AlertDialog;
 import androidx.core.util.Consumer;
 import androidx.fragment.app.FragmentActivity;
 
@@ -73,7 +74,8 @@ abstract class AbstractConditionManager {
 	void showRationale(Context ctx, @StringRes int title,
 			@StringRes int body, Runnable onContinueClicked,
 			Runnable onDismiss) {
-		AlertDialog.Builder builder = new AlertDialog.Builder(ctx);
+		MaterialAlertDialogBuilder builder =
+				new MaterialAlertDialogBuilder(ctx);
 		builder.setTitle(title);
 		builder.setMessage(body);
 		builder.setNeutralButton(R.string.continue_button,

briar-android/src/main/java/org/briarproject/briar/android/hotspot/HotspotIntroFragment.java

@@ -61,6 +61,7 @@ public class HotspotIntroFragment extends Fragment {
 		getAndroidComponent(activity).inject(this);
 		viewModel = new ViewModelProvider(activity, viewModelFactory)
 				.get(HotspotViewModel.class);
+		conditionManager.init(requireActivity());
 	}
 
 	@Override
@@ -76,8 +77,6 @@ public class HotspotIntroFragment extends Fragment {
 
 		startButton.setOnClickListener(this::onButtonClick);
 
-		conditionManager.init(requireActivity());
-
 		return v;
 	}
 

briar-android/src/main/java/org/briarproject/briar/android/login/ChangePasswordActivity.java

@@ -32,6 +32,7 @@ import static android.widget.Toast.LENGTH_LONG;
 import static org.briarproject.bramble.api.crypto.DecryptionResult.KEY_STRENGTHENER_ERROR;
 import static org.briarproject.bramble.api.crypto.DecryptionResult.SUCCESS;
 import static org.briarproject.bramble.api.crypto.PasswordStrengthEstimator.QUITE_WEAK;
+import static org.briarproject.bramble.api.crypto.PasswordStrengthEstimator.STRONG;
 import static org.briarproject.briar.android.login.LoginUtils.createKeyStrengthenerErrorDialog;
 import static org.briarproject.briar.android.util.UiUtils.hideSoftKeyboard;
 import static org.briarproject.briar.android.util.UiUtils.setError;
@@ -123,12 +124,25 @@ public class ChangePasswordActivity extends BriarActivity
 		boolean passwordsMatch = firstPassword.equals(secondPassword);
 		float strength = viewModel.estimatePasswordStrength(firstPassword);
 		strengthMeter.setStrength(strength);
+
+		if (!firstPassword.isEmpty()) {
+			if (strength >= STRONG) {
+				newPasswordEntryWrapper.setHelperText(
+						getString(R.string.password_strong));
+			} else if (strength >= QUITE_WEAK) {
+				newPasswordEntryWrapper.setHelperText(
+						getString(R.string.password_quite_strong));
+			} else {
+				newPasswordEntryWrapper.setHelperTextEnabled(false);
+			}
+		}
+
 		setError(newPasswordEntryWrapper,
 				getString(R.string.password_too_weak),
-				firstPassword.length() > 0 && strength < QUITE_WEAK);
+				!firstPassword.isEmpty() && strength < QUITE_WEAK);
 		setError(newPasswordConfirmationWrapper,
 				getString(R.string.passwords_do_not_match),
-				secondPassword.length() > 0 && !passwordsMatch);
+				!secondPassword.isEmpty() && !passwordsMatch);
 		changePasswordButton.setEnabled(
 				!currentPassword.getText().toString().isEmpty() &&
 						passwordsMatch && strength >= QUITE_WEAK);

briar-android/src/main/java/org/briarproject/briar/android/login/LoginUtils.java

@@ -2,6 +2,8 @@ package org.briarproject.briar.android.login;
 
 import android.content.Context;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.briar.R;
 import org.briarproject.nullsafety.NotNullByDefault;
 
@@ -13,8 +15,8 @@ import static org.briarproject.briar.android.util.UiUtils.getDialogIcon;
 class LoginUtils {
 
 	static AlertDialog createKeyStrengthenerErrorDialog(Context ctx) {
-		AlertDialog.Builder builder =
-				new AlertDialog.Builder(ctx, R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder =
+				new MaterialAlertDialogBuilder(ctx, R.style.BriarDialogTheme);
 		builder.setIcon(getDialogIcon(ctx, R.drawable.alerts_and_states_error));
 		builder.setTitle(R.string.dialog_title_cannot_check_password);
 		builder.setMessage(R.string.dialog_message_cannot_check_password);

briar-android/src/main/java/org/briarproject/briar/android/login/PasswordFragment.java

@@ -9,6 +9,7 @@ import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.ProgressBar;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.textfield.TextInputEditText;
 import com.google.android.material.textfield.TextInputLayout;
 
@@ -40,6 +41,7 @@ import static org.briarproject.bramble.api.crypto.DecryptionResult.SUCCESS;
 import static org.briarproject.briar.android.login.LoginUtils.createKeyStrengthenerErrorDialog;
 import static org.briarproject.briar.android.util.UiUtils.enterPressed;
 import static org.briarproject.briar.android.util.UiUtils.hideSoftKeyboard;
+import static org.briarproject.briar.android.util.UiUtils.hideViewOnSmallScreen;
 import static org.briarproject.briar.android.util.UiUtils.setError;
 import static org.briarproject.briar.android.util.UiUtils.showSoftKeyboard;
 
@@ -100,6 +102,12 @@ public class PasswordFragment extends BaseFragment implements TextWatcher {
 		return v;
 	}
 
+	@Override
+	public void onStart() {
+		super.onStart();
+		hideViewOnSmallScreen(requireView().findViewById(R.id.logo));
+	}
+
 	@Override
 	public void beforeTextChanged(CharSequence s, int start, int count,
 			int after) {
@@ -147,9 +155,11 @@ public class PasswordFragment extends BaseFragment implements TextWatcher {
 	}
 
 	private void onForgottenPasswordClick() {
-		AlertDialog.Builder builder = new AlertDialog.Builder(requireContext(),
-				R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
+				requireContext(), R.style.BriarDialogTheme);
 		builder.setTitle(R.string.dialog_title_lost_password);
+		builder.setBackgroundInsetStart(25);
+		builder.setBackgroundInsetEnd(25);
 		builder.setMessage(R.string.dialog_message_lost_password);
 		builder.setPositiveButton(R.string.cancel, null);
 		builder.setNegativeButton(R.string.delete,

briar-android/src/main/java/org/briarproject/briar/android/login/StartupActivity.java

@@ -1,5 +1,6 @@
 package org.briarproject.briar.android.login;
 
+import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.os.Bundle;
 
@@ -74,6 +75,7 @@ public class StartupActivity extends BaseActivity implements
 	}
 
 	@Override
+	@SuppressLint("MissingSuperCall")
 	public void onBackPressed() {
 		// Move task and activity to the background instead of showing another
 		// password prompt.

briar-android/src/main/java/org/briarproject/briar/android/mailbox/ErrorWizardFragment.java

@@ -11,6 +11,7 @@ import android.widget.RadioGroup;
 import android.widget.ScrollView;
 
 import com.google.android.material.animation.ArgbEvaluatorCompat;
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.view.BriarButton;
@@ -24,7 +25,6 @@ import javax.inject.Inject;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.lifecycle.ViewModelProvider;
@@ -148,8 +148,8 @@ public class ErrorWizardFragment extends Fragment {
 	}
 
 	private void onUnlinkButtonClicked(View v) {
-		AlertDialog.Builder builder = new AlertDialog.Builder(requireContext(),
-				R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
+				requireContext(), R.style.BriarDialogTheme);
 		builder.setTitle(R.string.mailbox_status_unlink_dialog_title);
 		builder.setMessage(R.string.mailbox_status_unlink_dialog_question);
 		builder.setPositiveButton(R.string.cancel,

briar-android/src/main/java/org/briarproject/briar/android/mailbox/MailboxActivity.java

@@ -5,6 +5,8 @@ import android.view.MenuItem;
 import android.widget.ProgressBar;
 import android.widget.Toast;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.bramble.api.mailbox.MailboxPairingState;
 import org.briarproject.bramble.api.mailbox.MailboxPairingState.ConnectionError;
 import org.briarproject.bramble.api.mailbox.MailboxPairingState.InvalidQrCode;
@@ -31,7 +33,6 @@ import org.briarproject.nullsafety.ParametersNotNullByDefault;
 import javax.inject.Inject;
 
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.lifecycle.ViewModelProvider;
@@ -249,8 +250,8 @@ public class MailboxActivity extends BriarActivity {
 		if (tellUserToWipeMailbox) {
 			showFragment(getSupportFragmentManager(), new BlankFragment(),
 					BlankFragment.TAG);
-			AlertDialog.Builder builder =
-					new AlertDialog.Builder(this, R.style.BriarDialogTheme);
+			MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
+					this, R.style.BriarDialogTheme);
 			builder.setTitle(R.string.mailbox_status_unlink_no_wipe_title);
 			builder.setMessage(R.string.mailbox_status_unlink_no_wipe_message);
 			builder.setNeutralButton(R.string.got_it,

briar-android/src/main/java/org/briarproject/briar/android/mailbox/MailboxStatusFragment.java

@@ -13,6 +13,8 @@ import android.widget.ImageView;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.bramble.api.mailbox.MailboxStatus;
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.view.BriarButton;
@@ -214,8 +216,8 @@ public class MailboxStatusFragment extends Fragment {
 	}
 
 	private void onUnlinkButtonClicked(boolean showWarning) {
-		AlertDialog.Builder builder = new AlertDialog.Builder(requireContext(),
-				R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
+				requireContext(), R.style.BriarDialogTheme);
 		builder.setTitle(R.string.mailbox_status_unlink_dialog_title);
 		String msg = getString(R.string.mailbox_status_unlink_dialog_question);
 		if (showWarning) {

briar-android/src/main/java/org/briarproject/briar/android/navdrawer/PluginViewModel.java

@@ -48,6 +48,7 @@ import static java.util.logging.Level.INFO;
 import static java.util.logging.Logger.getLogger;
 import static org.briarproject.bramble.api.plugin.Plugin.PREF_PLUGIN_ENABLE;
 import static org.briarproject.bramble.api.plugin.Plugin.State.STARTING_STOPPING;
+import static org.briarproject.bramble.util.AndroidUtils.registerReceiver;
 import static org.briarproject.bramble.util.LogUtils.logDuration;
 import static org.briarproject.bramble.util.LogUtils.now;
 
@@ -96,7 +97,7 @@ public class PluginViewModel extends DbViewModel implements EventListener {
 		this.eventBus = eventBus;
 		eventBus.addListener(this);
 		receiver = new BluetoothStateReceiver();
-		app.registerReceiver(receiver, new IntentFilter(ACTION_STATE_CHANGED));
+		registerReceiver(app, receiver, new IntentFilter(ACTION_STATE_CHANGED));
 		networkStatus.setValue(networkManager.getNetworkStatus());
 		torPluginState.setValue(getTransportState(TorConstants.ID));
 		wifiPluginState.setValue(getTransportState(LanTcpConstants.ID));

briar-android/src/main/java/org/briarproject/briar/android/panic/PanicPreferencesFragment.java

@@ -10,6 +10,8 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.text.TextUtils;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.briar.R;
 
 import java.util.ArrayList;
@@ -17,7 +19,6 @@ import java.util.logging.Logger;
 
 import javax.annotation.Nullable;
 
-import androidx.appcompat.app.AlertDialog;
 import androidx.preference.ListPreference;
 import androidx.preference.PreferenceFragmentCompat;
 import androidx.preference.SwitchPreferenceCompat;
@@ -201,8 +202,8 @@ public class PanicPreferencesFragment extends PreferenceFragmentCompat
 			getActivity().finish();
 		};
 
-		AlertDialog.Builder builder = new AlertDialog.Builder(getContext(),
-				R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
+				requireContext(), R.style.BriarDialogTheme);
 		builder.setTitle(getString(R.string.dialog_title_connect_panic_app));
 
 		CharSequence app = getString(R.string.unknown_app);

briar-android/src/main/java/org/briarproject/briar/android/privategroup/conversation/GroupActivity.java

@@ -6,6 +6,8 @@ import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.activity.ActivityComponent;
 import org.briarproject.briar.android.privategroup.creation.GroupInviteActivity;
@@ -13,14 +15,12 @@ import org.briarproject.briar.android.privategroup.memberlist.GroupMemberListAct
 import org.briarproject.briar.android.privategroup.reveal.RevealContactsActivity;
 import org.briarproject.briar.android.threaded.ThreadListActivity;
 import org.briarproject.briar.android.threaded.ThreadListViewModel;
-import org.briarproject.briar.android.widget.LinkDialogFragment;
 import org.briarproject.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.nullsafety.ParametersNotNullByDefault;
 
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 
-import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.Toolbar;
 import androidx.lifecycle.ViewModelProvider;
 
@@ -55,7 +55,7 @@ public class GroupActivity extends
 
 	@Override
 	protected GroupMessageAdapter createAdapter() {
-		return new GroupMessageAdapter(this);
+		return new GroupMessageAdapter(this, this);
 	}
 
 	@Override
@@ -159,12 +159,6 @@ public class GroupActivity extends
 		if (isDissolved != null && !isDissolved) super.onReplyClick(item);
 	}
 
-	@Override
-	public void onLinkClick(String url){
-		LinkDialogFragment f = LinkDialogFragment.newInstance(url);
-		f.show(getSupportFragmentManager(), f.getUniqueTag());
-	}
-
 	private void setGroupEnabled(boolean enabled) {
 		sendController.setReady(enabled);
 		list.getRecyclerView().setAlpha(enabled ? 1f : 0.5f);
@@ -178,8 +172,8 @@ public class GroupActivity extends
 	}
 
 	private void showLeaveGroupDialog() {
-		AlertDialog.Builder builder =
-				new AlertDialog.Builder(this, R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
+				this, R.style.BriarDialogTheme);
 		builder.setTitle(getString(R.string.groups_leave_dialog_title));
 		builder.setMessage(getString(R.string.groups_leave_dialog_message));
 		builder.setNegativeButton(R.string.dialog_button_leave,
@@ -189,8 +183,8 @@ public class GroupActivity extends
 	}
 
 	private void showDissolveGroupDialog() {
-		AlertDialog.Builder builder =
-				new AlertDialog.Builder(this, R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
+				this, R.style.BriarDialogTheme);
 		builder.setTitle(getString(R.string.groups_dissolve_dialog_title));
 		builder.setMessage(getString(R.string.groups_dissolve_dialog_message));
 		builder.setNegativeButton(R.string.groups_dissolve_button,
@@ -206,8 +200,8 @@ public class GroupActivity extends
 	}
 
 	private void onGroupDissolved() {
-		AlertDialog.Builder builder =
-				new AlertDialog.Builder(this, R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(
+				this, R.style.BriarDialogTheme);
 		builder.setTitle(getString(R.string.groups_dissolved_dialog_title));
 		builder.setMessage(getString(R.string.groups_dissolved_dialog_message));
 		builder.setNeutralButton(R.string.ok, null);

briar-android/src/main/java/org/briarproject/briar/android/privategroup/conversation/GroupMessageAdapter.java

@@ -11,16 +11,19 @@ import org.briarproject.briar.android.threaded.ThreadPostViewHolder;
 import org.briarproject.nullsafety.NotNullByDefault;
 
 import androidx.annotation.LayoutRes;
+import androidx.annotation.NonNull;
 import androidx.annotation.UiThread;
+import androidx.lifecycle.LifecycleOwner;
 
 @UiThread
 @NotNullByDefault
-class GroupMessageAdapter extends ThreadItemAdapter<GroupMessageItem> {
+public class GroupMessageAdapter extends ThreadItemAdapter<GroupMessageItem> {
 
 	private boolean isCreator = false;
 
-	GroupMessageAdapter(ThreadItemListener<GroupMessageItem> listener) {
-		super(listener);
+	GroupMessageAdapter(LifecycleOwner lifecycleOwner,
+			ThreadItemListener<GroupMessageItem> listener) {
+		super(lifecycleOwner, listener);
 	}
 
 	@LayoutRes
@@ -30,6 +33,7 @@ class GroupMessageAdapter extends ThreadItemAdapter<GroupMessageItem> {
 		return item.getLayout();
 	}
 
+	@NonNull
 	@Override
 	public BaseThreadItemViewHolder<GroupMessageItem> onCreateViewHolder(
 			ViewGroup parent, int type) {

briar-android/src/main/java/org/briarproject/briar/android/privategroup/conversation/GroupMessageItem.java

@@ -1,14 +1,10 @@
 package org.briarproject.briar.android.privategroup.conversation;
 
-import org.briarproject.bramble.api.identity.Author;
-import org.briarproject.briar.api.identity.AuthorInfo;
 import org.briarproject.bramble.api.sync.GroupId;
-import org.briarproject.bramble.api.sync.MessageId;
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.threaded.ThreadItem;
 import org.briarproject.briar.api.privategroup.GroupMessageHeader;
 
-import javax.annotation.Nullable;
 import javax.annotation.concurrent.NotThreadSafe;
 
 import androidx.annotation.LayoutRes;
@@ -16,20 +12,14 @@ import androidx.annotation.UiThread;
 
 @UiThread
 @NotThreadSafe
-class GroupMessageItem extends ThreadItem {
+public class GroupMessageItem extends ThreadItem {
 
 	private final GroupId groupId;
 
-	private GroupMessageItem(MessageId messageId, GroupId groupId,
-			@Nullable MessageId parentId, String text, long timestamp,
-			Author author, AuthorInfo authorInfo, boolean isRead) {
-		super(messageId, parentId, text, timestamp, author, authorInfo, isRead);
-		this.groupId = groupId;
-	}
-
-	GroupMessageItem(GroupMessageHeader h, String text) {
-		this(h.getId(), h.getGroupId(), h.getParentId(), text, h.getTimestamp(),
-				h.getAuthor(), h.getAuthorInfo(), h.isRead());
+	GroupMessageItem(GroupMessageHeader h) {
+		super(h.getId(), h.getParentId(), h.getTimestamp(), h.getAuthor(),
+				h.getAuthorInfo(), h.isRead());
+		this.groupId = h.getGroupId();
 	}
 
 	public GroupId getGroupId() {

briar-android/src/main/java/org/briarproject/briar/android/privategroup/conversation/GroupViewModel.java

@@ -99,7 +99,7 @@ class GroupViewModel extends ThreadListViewModel<GroupMessageItem> {
 			// only act on non-local messages in this group
 			if (!g.isLocal() && g.getGroupId().equals(groupId)) {
 				LOG.info("Group message received, adding...");
-				GroupMessageItem item = buildItem(g.getHeader(), g.getText());
+				GroupMessageItem item = buildItem(g.getHeader());
 				addItem(item, false);
 				// In case the join message comes from the creator,
 				// we need to reload the sharing contacts
@@ -167,33 +167,19 @@ class GroupViewModel extends ThreadListViewModel<GroupMessageItem> {
 			List<GroupMessageHeader> headers =
 					privateGroupManager.getHeaders(txn, groupId);
 			logDuration(LOG, "Loading headers", start);
-			start = now();
 			List<GroupMessageItem> items = new ArrayList<>();
 			for (GroupMessageHeader header : headers) {
-				items.add(loadItem(txn, header));
+				items.add(buildItem(header));
 			}
-			logDuration(LOG, "Loading bodies and creating items", start);
 			return items;
 		}, this::setItems);
 	}
 
-	private GroupMessageItem loadItem(Transaction txn,
-			GroupMessageHeader header) throws DbException {
-		String text;
+	private GroupMessageItem buildItem(GroupMessageHeader header) {
 		if (header instanceof JoinMessageHeader) {
-			// will be looked up later
-			text = "";
-		} else {
-			text = privateGroupManager.getMessageText(txn, header.getId());
+			return new JoinMessageItem((JoinMessageHeader) header);
 		}
-		return buildItem(header, text);
-	}
-
-	private GroupMessageItem buildItem(GroupMessageHeader header, String text) {
-		if (header instanceof JoinMessageHeader) {
-			return new JoinMessageItem((JoinMessageHeader) header, text);
-		}
-		return new GroupMessageItem(header, text);
+		return new GroupMessageItem(header);
 	}
 
 	@Override
@@ -221,19 +207,17 @@ class GroupViewModel extends ThreadListViewModel<GroupMessageItem> {
 			LOG.info("Creating group message...");
 			GroupMessage msg = groupMessageFactory.createGroupMessage(groupId,
 					timestamp, parentId, author, text, previousMsgId);
-			storePost(msg, text);
+			storePost(msg);
 		});
 	}
 
-	private void storePost(GroupMessage msg, String text) {
+	private void storePost(GroupMessage msg) {
 		runOnDbThread(false, txn -> {
 			long start = now();
 			GroupMessageHeader header =
 					privateGroupManager.addLocalMessage(txn, msg);
 			logDuration(LOG, "Storing group message", start);
-			txn.attach(() ->
-					addItem(buildItem(header, text), true)
-			);
+			txn.attach(() -> addItem(buildItem(header), true));
 		}, this::handleException);
 	}
 
@@ -284,4 +268,9 @@ class GroupViewModel extends ThreadListViewModel<GroupMessageItem> {
 		return isDissolved;
 	}
 
+	@Override
+	protected String getMessageText(Transaction txn, MessageId m)
+			throws DbException {
+		return privateGroupManager.getMessageText(txn, m);
+	}
 }

briar-android/src/main/java/org/briarproject/briar/android/privategroup/conversation/JoinMessageItem.java

@@ -14,8 +14,8 @@ class JoinMessageItem extends GroupMessageItem {
 
 	private final boolean isInitial;
 
-	JoinMessageItem(JoinMessageHeader h, String text) {
-		super(h, text);
+	JoinMessageItem(JoinMessageHeader h) {
+		super(h);
 		isInitial = h.isInitial();
 	}
 

briar-android/src/main/java/org/briarproject/briar/android/privategroup/conversation/JoinMessageItemViewHolder.java

@@ -9,6 +9,7 @@ import org.briarproject.briar.android.threaded.ThreadItemAdapter.ThreadItemListe
 import org.briarproject.nullsafety.NotNullByDefault;
 
 import androidx.annotation.UiThread;
+import androidx.lifecycle.LifecycleOwner;
 
 import static org.briarproject.briar.api.identity.AuthorInfo.Status.OURSELVES;
 
@@ -25,10 +26,8 @@ class JoinMessageItemViewHolder
 	}
 
 	@Override
-	public void bind(GroupMessageItem item,
+	protected void setText(GroupMessageItem item, LifecycleOwner lifecycleOwner,
 			ThreadItemListener<GroupMessageItem> listener) {
-		super.bind(item, listener);
-
 		if (isCreator) bindForCreator((JoinMessageItem) item);
 		else bind((JoinMessageItem) item);
 	}

briar-android/src/main/java/org/briarproject/briar/android/privategroup/reveal/RevealContactsActivity.java

@@ -9,6 +9,8 @@ import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.bramble.api.contact.ContactId;
 import org.briarproject.bramble.api.db.DbException;
 import org.briarproject.bramble.api.sync.GroupId;
@@ -26,7 +28,6 @@ import javax.annotation.Nullable;
 import javax.inject.Inject;
 
 import androidx.annotation.LayoutRes;
-import androidx.appcompat.app.AlertDialog;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
@@ -105,7 +106,8 @@ public class RevealContactsActivity extends ContactSelectorActivity
 	}
 
 	private void showOnboardingDialog() {
-		new AlertDialog.Builder(this, R.style.OnboardingDialogTheme)
+		new MaterialAlertDialogBuilder(this,
+				R.style.OnboardingDialogTheme)
 				.setMessage(getString(R.string.groups_reveal_dialog_message))
 				.setNeutralButton(R.string.got_it,
 						(dialog, which) -> dialog.cancel())

briar-android/src/main/java/org/briarproject/briar/android/reporting/CrashReportActivity.java

@@ -1,5 +1,6 @@
 package org.briarproject.briar.android.reporting;
 
+import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Handler;
@@ -87,6 +88,7 @@ public class CrashReportActivity extends BaseActivity
 	}
 
 	@Override
+	@SuppressLint("MissingSuperCall")
 	public void onBackPressed() {
 		exit();
 	}

briar-android/src/main/java/org/briarproject/briar/android/settings/ConfirmAvatarDialogFragment.java

@@ -10,6 +10,7 @@ import android.widget.ImageView;
 import android.widget.TextView;
 
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.activity.BaseActivity;
@@ -20,7 +21,6 @@ import org.briarproject.nullsafety.ParametersNotNullByDefault;
 import javax.inject.Inject;
 
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.DialogFragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.lifecycle.ViewModelProvider;
@@ -86,7 +86,7 @@ public class ConfirmAvatarDialogFragment extends DialogFragment {
 		);
 
 		int theme = R.style.BriarDialogTheme;
-		return new AlertDialog.Builder(activity, theme)
+		return new MaterialAlertDialogBuilder(activity, theme)
 				.setView(view)
 				.setTitle(R.string.dialog_confirm_profile_picture_title)
 				.setNegativeButton(R.string.cancel, null)

briar-android/src/main/java/org/briarproject/briar/android/settings/DisplayFragment.java

@@ -1,21 +1,19 @@
 package org.briarproject.briar.android.settings;
 
-import android.app.AlertDialog;
 import android.content.Intent;
 import android.os.Bundle;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.Localizer;
 import org.briarproject.briar.android.util.UiUtils;
 import org.briarproject.nullsafety.NotNullByDefault;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Locale;
-import java.util.logging.Logger;
 
-import androidx.core.text.TextUtilsCompat;
 import androidx.fragment.app.FragmentActivity;
 import androidx.preference.ListPreference;
 import androidx.preference.Preference;
@@ -24,10 +22,7 @@ import androidx.preference.PreferenceFragmentCompat;
 import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK;
 import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP;
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
-import static android.os.Build.VERSION.SDK_INT;
-import static androidx.core.view.ViewCompat.LAYOUT_DIRECTION_LTR;
 import static java.util.Objects.requireNonNull;
-import static java.util.logging.Logger.getLogger;
 import static org.briarproject.briar.android.BriarApplication.ENTRY_ACTIVITY;
 import static org.briarproject.briar.android.navdrawer.NavDrawerActivity.SIGN_OUT_URI;
 import static org.briarproject.briar.android.settings.SettingsActivity.EXTRA_THEME_CHANGE;
@@ -36,10 +31,7 @@ import static org.briarproject.briar.android.settings.SettingsActivity.EXTRA_THE
 public class DisplayFragment extends PreferenceFragmentCompat {
 
 	public static final String PREF_LANGUAGE = "pref_key_language";
-	private static final String PREF_THEME = "pref_key_theme";
-
-	private static final Logger LOG =
-			getLogger(DisplayFragment.class.getName());
+	public static final String PREF_THEME = "pref_key_theme";
 
 	@Override
 	public void onCreatePreferences(Bundle bundle, String s) {
@@ -50,7 +42,6 @@ public class DisplayFragment extends PreferenceFragmentCompat {
 		language.setOnPreferenceChangeListener(this::onLanguageChanged);
 
 		ListPreference theme = requireNonNull(findPreference(PREF_THEME));
-		setThemeEntries(theme);
 		theme.setOnPreferenceChangeListener(this::onThemeChanged);
 	}
 
@@ -91,30 +82,6 @@ public class DisplayFragment extends PreferenceFragmentCompat {
 		language.setEntryValues(entryValues.toArray(new CharSequence[0]));
 	}
 
-	private boolean isLeftToRight(Locale locale) {
-		// TextUtilsCompat returns the wrong direction for Hebrew on some phones
-		String language = locale.getLanguage();
-		if (language.equals("iw") || language.equals("he")) return false;
-		int direction = TextUtilsCompat.getLayoutDirectionFromLocale(locale);
-		return direction == LAYOUT_DIRECTION_LTR;
-	}
-
-	private void setThemeEntries(ListPreference theme) {
-		if (SDK_INT < 27) {
-			// remove System Default Theme option from preference entries
-			// as it is not functional on this API anyway
-			List<CharSequence> entries =
-					new ArrayList<>(Arrays.asList(theme.getEntries()));
-			entries.remove(getString(R.string.pref_theme_system));
-			theme.setEntries(entries.toArray(new CharSequence[0]));
-			// also remove corresponding value
-			List<CharSequence> values =
-					new ArrayList<>(Arrays.asList(theme.getEntryValues()));
-			values.remove(getString(R.string.pref_theme_system_value));
-			theme.setEntryValues(values.toArray(new CharSequence[0]));
-		}
-	}
-
 	private boolean onThemeChanged(Preference preference, Object newValue) {
 		// activate new theme
 		FragmentActivity activity = requireActivity();
@@ -135,8 +102,8 @@ public class DisplayFragment extends PreferenceFragmentCompat {
 	private boolean onLanguageChanged(Preference preference, Object newValue) {
 		ListPreference language = (ListPreference) preference;
 		if (!language.getValue().equals(newValue)) {
-			AlertDialog.Builder builder =
-					new AlertDialog.Builder(getActivity());
+			MaterialAlertDialogBuilder builder =
+					new MaterialAlertDialogBuilder(requireContext());
 			builder.setTitle(R.string.pref_language_title);
 			builder.setMessage(R.string.pref_language_changed);
 			builder.setPositiveButton(R.string.sign_out_button, (d, i) -> {

briar-android/src/main/java/org/briarproject/briar/android/threaded/BaseThreadItemViewHolder.java

@@ -4,35 +4,46 @@ import android.animation.Animator;
 import android.animation.ArgbEvaluator;
 import android.animation.ValueAnimator;
 import android.content.Context;
-import android.text.util.Linkify;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.animation.AccelerateInterpolator;
 import android.widget.TextView;
 
-import org.briarproject.bramble.util.StringUtils;
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.threaded.ThreadItemAdapter.ThreadItemListener;
 import org.briarproject.briar.android.view.AuthorView;
 import org.briarproject.nullsafety.NotNullByDefault;
 
+import javax.annotation.Nullable;
+
 import androidx.annotation.CallSuper;
 import androidx.annotation.UiThread;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.Observer;
 import androidx.recyclerview.widget.RecyclerView;
 
+import static android.text.util.Linkify.WEB_URLS;
+import static android.text.util.Linkify.addLinks;
 import static androidx.core.content.ContextCompat.getColor;
+import static org.briarproject.bramble.util.StringUtils.trim;
 import static org.briarproject.briar.android.util.UiUtils.makeLinksClickable;
+import static org.briarproject.nullsafety.NullSafety.requireNonNull;
 
 @UiThread
 @NotNullByDefault
 public abstract class BaseThreadItemViewHolder<I extends ThreadItem>
-		extends RecyclerView.ViewHolder {
+		extends RecyclerView.ViewHolder implements Observer<String> {
 
 	private final static int ANIMATION_DURATION = 5000;
 
 	protected final TextView textView;
 	private final ViewGroup layout;
 	private final AuthorView author;
+	@Nullable
+	private ThreadItemListener<I> listener = null;
+	@Nullable
+	private LiveData<String> textLiveData = null;
 
 	public BaseThreadItemViewHolder(View v) {
 		super(v);
@@ -43,10 +54,9 @@ public abstract class BaseThreadItemViewHolder<I extends ThreadItem>
 	}
 
 	@CallSuper
-	public void bind(I item, ThreadItemListener<I> listener) {
-		textView.setText(StringUtils.trim(item.getText()));
-		Linkify.addLinks(textView, Linkify.WEB_URLS);
-		makeLinksClickable(textView, listener::onLinkClick);
+	public void bind(I item, LifecycleOwner lifecycleOwner,
+			ThreadItemListener<I> listener) {
+		setText(item, lifecycleOwner, listener);
 
 		author.setAuthor(item.getAuthor(), item.getAuthorInfo());
 		author.setDate(item.getTimestamp());
@@ -61,6 +71,20 @@ public abstract class BaseThreadItemViewHolder<I extends ThreadItem>
 		}
 	}
 
+	protected void setText(I item, LifecycleOwner lifecycleOwner,
+			ThreadItemListener<I> listener) {
+		// Clear any existing text while we asynchronously load the new text
+		textView.setText(null);
+		// Remember the listener so we can use it to create links later
+		this.listener = listener;
+		// If the view has been re-bound and we're already asynchronously
+		// loading text for another item, stop observing it
+		if (textLiveData != null) textLiveData.removeObserver(this);
+		// Asynchronously load the text for this item and observe the result
+		textLiveData = listener.loadItemText(item.getId());
+		textLiveData.observe(lifecycleOwner, this);
+	}
+
 	private void animateFadeOut() {
 		setIsRecyclable(false);
 		ValueAnimator anim = new ValueAnimator();
@@ -73,6 +97,7 @@ public abstract class BaseThreadItemViewHolder<I extends ThreadItem>
 			@Override
 			public void onAnimationStart(Animator animation) {
 			}
+
 			@Override
 			public void onAnimationEnd(Animator animation) {
 				layout.setBackgroundResource(
@@ -80,9 +105,11 @@ public abstract class BaseThreadItemViewHolder<I extends ThreadItem>
 				layout.setActivated(false);
 				setIsRecyclable(true);
 			}
+
 			@Override
 			public void onAnimationCancel(Animator animation) {
 			}
+
 			@Override
 			public void onAnimationRepeat(Animator animation) {
 			}
@@ -97,4 +124,24 @@ public abstract class BaseThreadItemViewHolder<I extends ThreadItem>
 		return textView.getContext();
 	}
 
+	void onViewRecycled() {
+		textView.setText(null);
+		if (textLiveData != null) {
+			textLiveData.removeObserver(this);
+			textLiveData = null;
+			listener = null;
+		}
+	}
+
+	@Override
+	public void onChanged(String s) {
+		if (textLiveData != null) {
+			textLiveData.removeObserver(this);
+			textLiveData = null;
+			textView.setText(trim(s));
+			addLinks(textView, WEB_URLS);
+			makeLinksClickable(textView, requireNonNull(listener)::onLinkClick);
+			listener = null;
+		}
+	}
 }

briar-android/src/main/java/org/briarproject/briar/android/threaded/ThreadItem.java

@@ -19,7 +19,6 @@ public abstract class ThreadItem implements MessageNode {
 	private final MessageId messageId;
 	@Nullable
 	private final MessageId parentId;
-	private final String text;
 	private final long timestamp;
 	private final Author author;
 	private final AuthorInfo authorInfo;
@@ -27,11 +26,10 @@ public abstract class ThreadItem implements MessageNode {
 	private boolean isRead, highlighted;
 
 	public ThreadItem(MessageId messageId, @Nullable MessageId parentId,
-			String text, long timestamp, Author author, AuthorInfo authorInfo,
+			long timestamp, Author author, AuthorInfo authorInfo,
 			boolean isRead) {
 		this.messageId = messageId;
 		this.parentId = parentId;
-		this.text = text;
 		this.timestamp = timestamp;
 		this.author = author;
 		this.authorInfo = authorInfo;
@@ -39,10 +37,6 @@ public abstract class ThreadItem implements MessageNode {
 		this.highlighted = false;
 	}
 
-	public String getText() {
-		return text;
-	}
-
 	public int getLevel() {
 		return level;
 	}

briar-android/src/main/java/org/briarproject/briar/android/threaded/ThreadItemAdapter.java

@@ -13,6 +13,8 @@ import javax.annotation.Nullable;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.UiThread;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LiveData;
 import androidx.recyclerview.widget.DiffUtil;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.ListAdapter;
@@ -27,9 +29,11 @@ public class ThreadItemAdapter<I extends ThreadItem>
 
 	static final int UNDEFINED = -1;
 
+	private final LifecycleOwner lifecycleOwner;
 	private final ThreadItemListener<I> listener;
 
-	public ThreadItemAdapter(ThreadItemListener<I> listener) {
+	public ThreadItemAdapter(LifecycleOwner lifecycleOwner,
+			ThreadItemListener<I> listener) {
 		super(new DiffUtil.ItemCallback<I>() {
 			@Override
 			public boolean areItemsTheSame(I a, I b) {
@@ -42,6 +46,7 @@ public class ThreadItemAdapter<I extends ThreadItem>
 						a.isRead() == b.isRead();
 			}
 		});
+		this.lifecycleOwner = lifecycleOwner;
 		this.listener = listener;
 	}
 
@@ -58,7 +63,7 @@ public class ThreadItemAdapter<I extends ThreadItem>
 	public void onBindViewHolder(@NonNull BaseThreadItemViewHolder<I> ui,
 			int position) {
 		I item = getItem(position);
-		ui.bind(item, listener);
+		ui.bind(item, lifecycleOwner, listener);
 	}
 
 	int findItemPosition(MessageId id) {
@@ -135,9 +140,19 @@ public class ThreadItemAdapter<I extends ThreadItem>
 		return getItem(position);
 	}
 
+	@Override
+	public void onViewRecycled(BaseThreadItemViewHolder<I> viewHolder) {
+		super.onViewRecycled(viewHolder);
+		viewHolder.onViewRecycled();
+	}
+
 	public interface ThreadItemListener<I> {
+
 		void onReplyClick(I item);
+
 		void onLinkClick(String url);
+
+		LiveData<String> loadItemText(MessageId m);
 	}
 
 }

briar-android/src/main/java/org/briarproject/briar/android/threaded/ThreadListActivity.java

@@ -85,6 +85,9 @@ public abstract class ThreadListActivity<I extends ThreadItem, A extends ThreadI
 		scrollListener = new ThreadScrollListener<>(adapter, viewModel,
 				upButton, downButton);
 		list.getRecyclerView().addOnScrollListener(scrollListener);
+		// This is a tradeoff between memory consumption for cached views
+		// and the cost of loading message text from the database
+		list.getRecyclerView().setItemViewCacheSize(20);
 
 		upButton.setOnClickListener(v -> {
 			int position = adapter.getVisibleUnreadPosTop(layoutManager);
@@ -257,4 +260,8 @@ public abstract class ThreadListActivity<I extends ThreadItem, A extends ThreadI
 
 	protected abstract int getMaxTextLength();
 
+	@Override
+	public LiveData<String> loadItemText(MessageId m) {
+		return getViewModel().loadMessageText(m);
+	}
 }

briar-android/src/main/java/org/briarproject/briar/android/threaded/ThreadListViewModel.java

@@ -6,6 +6,7 @@ import org.briarproject.bramble.api.crypto.CryptoExecutor;
 import org.briarproject.bramble.api.db.DatabaseExecutor;
 import org.briarproject.bramble.api.db.DbException;
 import org.briarproject.bramble.api.db.NoSuchGroupException;
+import org.briarproject.bramble.api.db.Transaction;
 import org.briarproject.bramble.api.db.TransactionManager;
 import org.briarproject.bramble.api.event.Event;
 import org.briarproject.bramble.api.event.EventBus;
@@ -260,4 +261,14 @@ public abstract class ThreadListViewModel<I extends ThreadItem>
 		return scrollToItem.getAndSet(null);
 	}
 
+	public LiveData<String> loadMessageText(MessageId m) {
+		MutableLiveData<String> textLiveData = new MutableLiveData<>();
+		runOnDbThread(true, txn ->
+						textLiveData.postValue(getMessageText(txn, m)),
+				this::handleException);
+		return textLiveData;
+	}
+
+	protected abstract String getMessageText(Transaction txn, MessageId m)
+			throws DbException;
 }

briar-android/src/main/java/org/briarproject/briar/android/threaded/ThreadPostViewHolder.java

@@ -10,6 +10,7 @@ import org.briarproject.nullsafety.NotNullByDefault;
 import java.util.Locale;
 
 import androidx.annotation.UiThread;
+import androidx.lifecycle.LifecycleOwner;
 
 import static android.view.View.GONE;
 import static android.view.View.VISIBLE;
@@ -40,8 +41,9 @@ public class ThreadPostViewHolder<I extends ThreadItem>
 	}
 
 	@Override
-	public void bind(I item, ThreadItemListener<I> listener) {
-		super.bind(item, listener);
+	public void bind(I item, LifecycleOwner lifecycleOwner,
+			ThreadItemListener<I> listener) {
+		super.bind(item, lifecycleOwner, listener);
 
 		for (int i = 0; i < lvls.length; i++) {
 			lvls[i].setVisibility(i < item.getLevel() ? VISIBLE : GONE);

briar-android/src/main/java/org/briarproject/briar/android/util/BriarSnackbarBuilder.java

@@ -18,7 +18,8 @@ import static androidx.core.content.ContextCompat.getColor;
 public class BriarSnackbarBuilder {
 
 	@ColorRes
-	private int backgroundResId = R.color.briar_primary;
+	@Nullable
+	private Integer backgroundResId = null;
 	@StringRes
 	private int actionResId;
 	@Nullable
@@ -26,7 +27,11 @@ public class BriarSnackbarBuilder {
 
 	public Snackbar make(View view, CharSequence text, int duration) {
 		Snackbar s = Snackbar.make(view, text, duration);
-		s.getView().setBackgroundResource(backgroundResId);
+		if (backgroundResId != null) {
+			s.setBackgroundTint(getColor(view.getContext(), backgroundResId));
+			s.setTextColor(
+					getColor(view.getContext(), R.color.md_theme_onSecondary));
+		}
 		if (onClickListener != null) {
 			s.setActionTextColor(getColor(view.getContext(),
 					R.color.briar_button_text_positive));

briar-android/src/main/java/org/briarproject/briar/android/util/PermissionUtils.java

@@ -6,6 +6,8 @@ import android.content.Intent;
 import android.location.LocationManager;
 import android.net.Uri;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
 import org.briarproject.briar.R;
 import org.briarproject.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.nullsafety.ParametersNotNullByDefault;
@@ -16,7 +18,6 @@ import androidx.activity.result.ActivityResultLauncher;
 import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 import androidx.annotation.StringRes;
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.FragmentActivity;
 
 import static android.Manifest.permission.BLUETOOTH_ADVERTISE;
@@ -108,8 +109,8 @@ public class PermissionUtils {
 	}
 
 	public static void showLocationDialog(Context ctx, boolean forBluetooth) {
-		AlertDialog.Builder builder =
-				new AlertDialog.Builder(ctx, R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder =
+				new MaterialAlertDialogBuilder(ctx, R.style.BriarDialogTheme);
 		builder.setTitle(R.string.permission_location_setting_title);
 		if (forBluetooth) {
 			builder.setMessage(R.string.permission_location_setting_body);
@@ -136,8 +137,8 @@ public class PermissionUtils {
 
 	public static void showDenialDialog(FragmentActivity ctx,
 			@StringRes int title, @StringRes int body, Runnable onDenied) {
-		AlertDialog.Builder builder =
-				new AlertDialog.Builder(ctx, R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder =
+				new MaterialAlertDialogBuilder(ctx, R.style.BriarDialogTheme);
 		builder.setTitle(title);
 		builder.setMessage(body);
 		builder.setPositiveButton(R.string.ok, getGoToSettingsListener(ctx));
@@ -148,8 +149,8 @@ public class PermissionUtils {
 
 	public static void showRationale(FragmentActivity ctx, @StringRes int title,
 			@StringRes int body, @Nullable Runnable onOk) {
-		AlertDialog.Builder builder =
-				new AlertDialog.Builder(ctx, R.style.BriarDialogTheme);
+		MaterialAlertDialogBuilder builder =
+				new MaterialAlertDialogBuilder(ctx, R.style.BriarDialogTheme);
 		builder.setTitle(title);
 		builder.setMessage(body);
 		builder.setNeutralButton(R.string.continue_button, (dialog, which) -> {

briar-android/src/main/java/org/briarproject/briar/android/util/UiUtils.java

@@ -28,6 +28,7 @@ import android.view.inputmethod.InputMethodManager;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.textfield.TextInputLayout;
 
 import org.briarproject.bramble.api.contact.Contact;
@@ -52,7 +53,6 @@ import androidx.annotation.ColorRes;
 import androidx.annotation.DrawableRes;
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
-import androidx.appcompat.app.AlertDialog;
 import androidx.core.content.ContextCompat;
 import androidx.core.hardware.fingerprint.FingerprintManagerCompat;
 import androidx.core.text.HtmlCompat;
@@ -92,7 +92,6 @@ import static android.view.WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN;
 import static android.view.inputmethod.EditorInfo.IME_NULL;
 import static android.view.inputmethod.InputMethodManager.SHOW_IMPLICIT;
 import static android.widget.Toast.LENGTH_LONG;
-import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_AUTO_TIME;
 import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM;
 import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_NO;
 import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_YES;
@@ -323,7 +322,7 @@ public class UiUtils {
 	}
 
 	public static void showOnboardingDialog(Context ctx, String text) {
-		new AlertDialog.Builder(ctx, R.style.OnboardingDialogTheme)
+		new MaterialAlertDialogBuilder(ctx, R.style.OnboardingDialogTheme)
 				.setMessage(text)
 				.setNeutralButton(R.string.got_it,
 						(dialog, which) -> dialog.cancel())
@@ -349,12 +348,7 @@ public class UiUtils {
 		} else if (theme
 				.equals(ctx.getString(R.string.pref_theme_dark_value))) {
 			setDefaultNightMode(MODE_NIGHT_YES);
-		} else if (theme
-				.equals(ctx.getString(R.string.pref_theme_auto_value))) {
-			// TODO remove AUTO-setting as it is deprecated
-			setDefaultNightMode(MODE_NIGHT_AUTO_TIME);
-		} else if (theme
-				.equals(ctx.getString(R.string.pref_theme_system_value))) {
+		} else {
 			setDefaultNightMode(MODE_NIGHT_FOLLOW_SYSTEM);
 		}
 	}
@@ -404,8 +398,8 @@ public class UiUtils {
 
 	public static void startDevReportActivity(Context ctx,
 			Class<? extends FragmentActivity> activity, @Nullable Throwable t,
-			@Nullable Long appStartTime, @Nullable byte[] logKey, @Nullable
-			String initialComment) {
+			@Nullable Long appStartTime, @Nullable byte[] logKey,
+			@Nullable String initialComment) {
 		// Collect memory stats from the current process, not the crash
 		// reporter process
 		ActivityManager am =

briar-android/src/main/java/org/briarproject/briar/android/view/BriarButton.java

@@ -8,12 +8,13 @@ import android.widget.Button;
 import android.widget.FrameLayout;
 import android.widget.ProgressBar;
 
+import com.google.android.material.button.MaterialButton;
+
 import org.briarproject.briar.R;
 import org.briarproject.nullsafety.NotNullByDefault;
 
 import androidx.annotation.Nullable;
 import androidx.appcompat.view.ContextThemeWrapper;
-import androidx.appcompat.widget.AppCompatButton;
 
 import static android.content.Context.LAYOUT_INFLATER_SERVICE;
 import static androidx.transition.TransitionManager.beginDelayedTransition;
@@ -47,8 +48,7 @@ public class BriarButton extends FrameLayout {
 		attributes.recycle();
 
 		ContextThemeWrapper wrapper = new ContextThemeWrapper(context, style);
-		button = isInEditMode() ? new AppCompatButton(context) :
-				new AppCompatButton(wrapper, null, style);
+		button = new MaterialButton(wrapper, null, style);
 		button.setText(text);
 		addView(button);
 		progressBar = findViewById(R.id.briar_button_progress_bar);

briar-android/src/main/res/color/button_text.xml

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector
-	xmlns:android="http://schemas.android.com/apk/res/android">
-	<item
-		android:color="@color/briar_button_text_disabled"
-		android:state_enabled="false"/>
-	<item
-		android:color="#ffffffff"/>
-</selector>

briar-android/src/main/res/drawable-v21/button_outline.xml

@@ -1,7 +0,0 @@
-<ripple xmlns:android="http://schemas.android.com/apk/res/android"
-	android:color="?attr/colorControlHighlight">
-	<item
-		android:id="@android:id/mask"
-		android:drawable="@drawable/button_outline_mask" />
-	<item android:drawable="@drawable/button_outline_background" />
-</ripple>

briar-android/src/main/res/drawable-v21/button_outline_background.xml

@@ -1,19 +0,0 @@
-<inset xmlns:android="http://schemas.android.com/apk/res/android"
-	android:insetLeft="4dp"
-	android:insetTop="6dp"
-	android:insetRight="4dp"
-	android:insetBottom="6dp">
-	<shape
-		android:shape="rectangle">
-		<corners android:radius="2dp" />
-		<solid android:color="@android:color/transparent" />
-		<stroke
-			android:width="1dp"
-			android:color="@color/briar_button_outline" />
-		<padding
-			android:bottom="4dp"
-			android:left="8dp"
-			android:right="8dp"
-			android:top="4dp" />
-	</shape>
-</inset>

briar-android/src/main/res/drawable-v21/button_outline_mask.xml

@@ -1,19 +0,0 @@
-<inset xmlns:android="http://schemas.android.com/apk/res/android"
-	android:insetLeft="4dp"
-	android:insetTop="6dp"
-	android:insetRight="4dp"
-	android:insetBottom="6dp">
-	<shape
-		android:shape="rectangle">
-		<corners android:radius="2dp" />
-		<solid android:color="@android:color/white" />
-		<stroke
-			android:width="1dp"
-			android:color="@android:color/white" />
-		<padding
-			android:bottom="4dp"
-			android:left="8dp"
-			android:right="8dp"
-			android:top="4dp" />
-	</shape>
-</inset>

briar-android/src/main/res/drawable/bubble_completed.xml

@@ -7,7 +7,7 @@
 		android:radius="32dp"/>
 
 	<solid
-		android:color="@color/briar_lime_600"/>
+		android:color="?colorTertiaryContainer"/>
 
 </shape>
 

briar-android/src/main/res/drawable/bubble_current.xml

@@ -7,7 +7,7 @@
 		android:radius="32dp"/>
 
 	<solid
-		android:color="@color/briar_accent"/>
+		android:color="?colorTertiary"/>
 
 </shape>
 

briar-android/src/main/res/drawable/bubble_future.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:shape="rectangle">
+
+	<corners
+		android:radius="32dp"/>
+
+	<solid
+		android:color="?colorSurfaceDim"/>
+
+</shape>
+

briar-android/src/main/res/drawable/button_outline.xml

@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-	<item
-		android:bottom="6dp"
-		android:left="4dp"
-		android:right="4dp"
-		android:top="6dp">
-		<shape android:shape="rectangle">
-			<corners android:radius="2dp" />
-			<solid android:color="@android:color/transparent" />
-			<stroke
-				android:width="1dp"
-				android:color="@color/briar_button_outline" />
-		</shape>
-	</item>
-</layer-list>

briar-android/src/main/res/layout/activity_change_password.xml

@@ -4,6 +4,7 @@
 	xmlns:tools="http://schemas.android.com/tools"
 	android:layout_width="match_parent"
 	android:layout_height="match_parent"
+	android:fillViewport="true"
 	tools:context=".android.login.ChangePasswordActivity">
 
 	<androidx.constraintlayout.widget.ConstraintLayout
@@ -64,15 +65,27 @@
 				android:maxLines="1" />
 		</com.google.android.material.textfield.TextInputLayout>
 
+		<org.briarproject.briar.android.login.StrengthMeter
+			android:id="@+id/strength_meter"
+			android:layout_width="match_parent"
+			android:layout_height="10dp"
+			android:layout_marginTop="8dp"
+			android:visibility="invisible"
+			app:layout_constraintLeft_toLeftOf="parent"
+			app:layout_constraintRight_toRightOf="parent"
+			app:layout_constraintTop_toBottomOf="@id/new_password_entry_wrapper"
+			tools:visibility="visible" />
+
 		<com.google.android.material.textfield.TextInputLayout
 			android:id="@+id/new_password_confirm_wrapper"
 			android:layout_width="match_parent"
 			android:layout_height="wrap_content"
+			android:layout_marginTop="8dp"
 			app:errorEnabled="true"
 			app:hintEnabled="false"
 			app:layout_constraintLeft_toLeftOf="parent"
 			app:layout_constraintRight_toRightOf="parent"
-			app:layout_constraintTop_toBottomOf="@id/new_password_entry_wrapper"
+			app:layout_constraintTop_toBottomOf="@id/strength_meter"
 			app:passwordToggleEnabled="true">
 
 			<com.google.android.material.textfield.TextInputEditText
@@ -86,15 +99,6 @@
 				android:maxLines="1" />
 		</com.google.android.material.textfield.TextInputLayout>
 
-		<org.briarproject.briar.android.login.StrengthMeter
-			android:id="@+id/strength_meter"
-			android:layout_width="match_parent"
-			android:layout_height="wrap_content"
-			android:visibility="invisible"
-			app:layout_constraintLeft_toLeftOf="parent"
-			app:layout_constraintRight_toRightOf="parent"
-			app:layout_constraintTop_toBottomOf="@id/new_password_confirm_wrapper" />
-
 		<Button
 			android:id="@+id/change_password"
 			style="@style/BriarButton"
@@ -103,16 +107,20 @@
 			android:layout_marginTop="@dimen/margin_medium"
 			android:enabled="false"
 			android:text="@string/change_password"
+			app:layout_constraintBottom_toBottomOf="parent"
 			app:layout_constraintLeft_toLeftOf="parent"
 			app:layout_constraintRight_toRightOf="parent"
-			app:layout_constraintTop_toBottomOf="@id/strength_meter"
+			app:layout_constraintTop_toBottomOf="@id/new_password_confirm_wrapper"
+			app:layout_constraintVertical_bias="1.0"
 			tools:enabled="true" />
 
-		<ProgressBar
+		<com.google.android.material.progressindicator.CircularProgressIndicator
 			android:id="@+id/progress_wheel"
+			style="@style/CircularProgress"
 			android:layout_width="wrap_content"
 			android:layout_height="wrap_content"
 			android:visibility="invisible"
+			app:layout_constraintBottom_toBottomOf="@+id/change_password"
 			app:layout_constraintLeft_toLeftOf="parent"
 			app:layout_constraintRight_toRightOf="parent"
 			app:layout_constraintTop_toTopOf="@id/change_password" />

briar-android/src/main/res/layout/activity_conversation.xml

@@ -12,7 +12,7 @@
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content">
 
-		<androidx.appcompat.widget.Toolbar
+		<com.google.android.material.appbar.MaterialToolbar
 			android:id="@+id/toolbar"
 			style="@style/BriarToolbar"
 			android:layout_width="match_parent"
@@ -40,7 +40,7 @@
 
 			</LinearLayout>
 
-		</androidx.appcompat.widget.Toolbar>
+		</com.google.android.material.appbar.MaterialToolbar>
 
 	</com.google.android.material.appbar.AppBarLayout>
 

briar-android/src/main/res/layout/activity_create_forum.xml

@@ -35,8 +35,9 @@
 		android:text="@string/create_forum_button"
 		tools:enabled="true" />
 
-	<ProgressBar
+	<com.google.android.material.progressindicator.CircularProgressIndicator
 		android:id="@+id/createForumProgressBar"
+		style="@style/CircularProgress"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		android:layout_gravity="center"

briar-android/src/main/res/layout/activity_image.xml

@@ -18,7 +18,7 @@
 		android:layout_height="wrap_content"
 		android:background="@color/msg_status_bubble_background">
 
-		<androidx.appcompat.widget.Toolbar
+		<com.google.android.material.appbar.MaterialToolbar
 			android:id="@+id/toolbar"
 			style="@style/BriarToolbar"
 			android:layout_width="match_parent"
@@ -50,7 +50,7 @@
 
 			</LinearLayout>
 
-		</androidx.appcompat.widget.Toolbar>
+		</com.google.android.material.appbar.MaterialToolbar>
 
 	</com.google.android.material.appbar.AppBarLayout>
 

briar-android/src/main/res/layout/activity_mailbox.xml

@@ -5,9 +5,9 @@
 	android:layout_width="match_parent"
 	android:layout_height="match_parent">
 
-	<ProgressBar
+	<com.google.android.material.progressindicator.CircularProgressIndicator
 		android:id="@+id/progressBar"
-		style="?android:progressBarStyleLarge"
+		style="@style/CircularProgress.Large"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		android:layout_gravity="center"

briar-android/src/main/res/layout/activity_write_blog_post.xml

@@ -19,9 +19,9 @@
 
 	</org.briarproject.briar.android.view.LargeTextInputView>
 
-	<ProgressBar
+	<com.google.android.material.progressindicator.CircularProgressIndicator
 		android:id="@+id/progressBar"
-		style="?android:attr/progressBarStyleLarge"
+		style="@style/CircularProgress.Large"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		android:layout_gravity="center"

briar-android/src/main/res/layout/briar_button.xml

@@ -6,12 +6,14 @@
 
 	<!-- Button gets added programmatically so we can pass on the styles -->
 
-	<ProgressBar
+	<com.google.android.material.progressindicator.CircularProgressIndicator
 		android:id="@+id/briar_button_progress_bar"
+		style="@style/CircularProgress"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		android:layout_gravity="center"
 		android:visibility="invisible"
+		tools:progress="50"
 		tools:visibility="visible" />
 
 </merge>

briar-android/src/main/res/layout/briar_recycler_view.xml

@@ -15,9 +15,9 @@
 		tools:listitem="@layout/list_item_contact"
 		tools:visibility="visible" />
 
-	<ProgressBar
+	<com.google.android.material.progressindicator.CircularProgressIndicator
 		android:id="@+id/progressBar"
-		style="?android:attr/progressBarStyleLarge"
+		style="@style/CircularProgress.Large"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		app:layout_constraintBottom_toBottomOf="parent"

briar-android/src/main/res/layout/fragment_alias_dialog.xml

@@ -21,6 +21,7 @@
 		android:id="@+id/aliasEditLayout"
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
+		android:layout_marginTop="16dp"
 		app:errorEnabled="true"
 		app:hintEnabled="false">
 
@@ -28,7 +29,6 @@
 			android:id="@+id/aliasEditText"
 			android:layout_width="match_parent"
 			android:layout_height="wrap_content"
-			android:layout_marginTop="16dp"
 			android:hint="@string/set_contact_alias_hint"
 			android:imeOptions="flagNoPersonalizedLearning"
 			android:inputType="text|textCapWords"
@@ -41,7 +41,7 @@
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
 		android:layout_marginStart="@dimen/margin_xxlarge"
-		android:layout_marginLeft="@dimen/margin_xxlarge"
+		android:layout_marginBottom="8dp"
 		android:gravity="end"
 		android:orientation="horizontal">
 

briar-android/src/main/res/layout/fragment_blog_post.xml

@@ -19,9 +19,9 @@
 			android:layout_width="match_parent"
 			android:layout_height="wrap_content" />
 
-		<ProgressBar
+		<com.google.android.material.progressindicator.CircularProgressIndicator
 			android:id="@+id/progressBar"
-			style="?android:attr/progressBarStyleLarge"
+			style="@style/CircularProgress.Large"
 			android:layout_width="wrap_content"
 			android:layout_height="wrap_content"
 			android:layout_gravity="center" />

briar-android/src/main/res/layout/fragment_bluetooth_intro.xml

@@ -34,7 +34,6 @@
 				android:text="@string/connect_via_bluetooth_intro"
 				app:layout_constraintBottom_toBottomOf="parent"
 				app:layout_constraintEnd_toEndOf="parent"
-				app:layout_constraintHorizontal_bias="0.5"
 				app:layout_constraintStart_toStartOf="parent"
 				app:layout_constraintTop_toBottomOf="@+id/introImageView" />
 

briar-android/src/main/res/layout/fragment_bluetooth_progress.xml

@@ -17,12 +17,12 @@
 		app:layout_constraintVertical_chainStyle="packed"
 		app:srcCompat="@drawable/il_bluetooth_connect" />
 
-	<ProgressBar
+	<com.google.android.material.progressindicator.LinearProgressIndicator
 		android:id="@+id/progressBar"
-		style="?android:attr/progressBarStyleHorizontal"
 		android:layout_width="0dp"
 		android:layout_height="wrap_content"
 		android:indeterminate="true"
+		app:indicatorColor="@color/briar_accent"
 		app:layout_constraintBottom_toTopOf="@+id/textView"
 		app:layout_constraintEnd_toEndOf="@+id/introImageView"
 		app:layout_constraintStart_toStartOf="@+id/introImageView"

briar-android/src/main/res/layout/fragment_contact_list.xml

@@ -18,8 +18,7 @@
 		app:fab_fabDrawable="@drawable/ic_action_add"
 		app:fab_fabRippleColor="@android:color/transparent"
 		app:fab_menu="@menu/contact_list_actions"
-		app:fab_miniFabTextBackground="@color/briar_accent"
-		app:fab_miniFabTextColor="@android:color/white"
+		app:fab_miniFabTextBackground="?attr/colorPrimary"
 		app:layout_anchorGravity="bottom|right|end"
 		app:layout_behavior="org.briarproject.briar.android.view.SnackbarAwareBehavior" />
 

briar-android/src/main/res/layout/fragment_conversation_settings.xml

@@ -5,7 +5,7 @@
 	android:layout_width="match_parent"
 	android:layout_height="match_parent">
 
-	<androidx.appcompat.widget.Toolbar
+	<com.google.android.material.appbar.MaterialToolbar
 		android:id="@+id/toolbar"
 		style="@style/BriarToolbar"
 		android:layout_width="match_parent"
@@ -40,7 +40,7 @@
 				app:tint="?attr/colorControlNormal"
 				tools:ignore="ContentDescription" />
 
-			<androidx.appcompat.widget.SwitchCompat
+			<com.google.android.material.materialswitch.MaterialSwitch
 				android:id="@+id/switchDisappearingMessages"
 				android:layout_width="0dp"
 				android:layout_height="wrap_content"
@@ -50,6 +50,7 @@
 				app:layout_constraintEnd_toEndOf="parent"
 				app:layout_constraintStart_toStartOf="parent"
 				app:layout_constraintTop_toBottomOf="@+id/imageViewBomb"
+				tools:checked="true"
 				tools:enabled="true" />
 
 			<Button