Don't allow multiple messages to be queued in memory for validation at startup.

.gitlab-ci.yml

@@ -1,52 +1,29 @@
 image: briar/ci-image-android:latest
 
 stages:
-  - test
-  - optional_tests
-  - check_reproducibility
+- test
+- check_reproducibility
 
-.base-test:
+test:
+  stage: test
   before_script:
     - set -e
     - export GRADLE_USER_HOME=$PWD/.gradle
+
   cache:
-    key: "$CI_COMMIT_REF_SLUG"
     paths:
       - .gradle/wrapper
       - .gradle/caches
+
+  script:
+    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom animalSnifferMain animalSnifferTest
+    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom check compileOfficialDebugAndroidTestSources compileScreenshotDebugAndroidTestSources
+
   after_script:
-    # these file change every time and should not be cached
+    # these file change every time but should not be cached
     - rm -f $GRADLE_USER_HOME/caches/modules-2/modules-2.lock
     - rm -fr $GRADLE_USER_HOME/caches/*/plugin-resolution/
 
-test:
-  extends: .base-test
-  stage: test
-  script:
-    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom animalSnifferMain animalSnifferTest
-    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom check
-
-android test:
-  extends: .base-test
-  stage: optional_tests
-  image: briar/ci-image-android-emulator:latest
-  script:
-    # start emulator first, so it can fail early
-    - start-emulator.sh
-    # run normal and screenshot tests together (exclude Large tests)
-    - ./gradlew -Djava.security.egd=file:/dev/urandom connectedAndroidTest -Pandroid.testInstrumentationRunnerArguments.notAnnotation=androidx.test.filters.LargeTest
-  artifacts:
-    name: "${CI_PROJECT_PATH}_${CI_JOB_STAGE}_${CI_COMMIT_REF_NAME}_${CI_COMMIT_SHA}"
-    paths:
-      - kernel.log
-      - logcat.txt
-    expire_in: 3 days
-    when: on_failure
-  when: manual
-  except:
-    - tags
-  tags:
-    - kvm
 
 test_reproducible:
   stage: check_reproducibility
@@ -54,34 +31,3 @@ test_reproducible:
     - "curl -X POST -F token=${RELEASE_CHECK_TOKEN} -F ref=master -F variables[RELEASE_TAG]=${CI_COMMIT_REF_NAME} https://code.briarproject.org/api/v4/projects/61/trigger/pipeline"
   only:
     - tags
-
-.optional_tests:
-  stage: optional_tests
-  before_script:
-    - set -e
-    - export GRADLE_USER_HOME=$PWD/.gradle
-
-  cache:
-    key: "$CI_COMMIT_REF_SLUG"
-    paths:
-      - .gradle/wrapper
-      - .gradle/caches
-
-  script:
-    - OPTIONAL_TESTS=org.briarproject.bramble.plugin.tor.BridgeTest ./gradlew --info bramble-java:test --tests BridgeTest
-
-  after_script:
-    # these file change every time but should not be cached
-    - rm -f $GRADLE_USER_HOME/caches/modules-2/modules-2.lock
-    - rm -fr $GRADLE_USER_HOME/caches/*/plugin-resolution/
-
-manual_tests:
-  extends: .optional_tests
-  when: manual
-  except:
-    - tags
-
-pre_release_tests:
-  extends: .optional_tests
-  only:
-    - tags

.idea/codeStyles/Project.xml

@@ -28,20 +28,6 @@
       <option name="JD_ALIGN_EXCEPTION_COMMENTS" value="false" />
     </JavaCodeStyleSettings>
     <JetCodeStyleSettings>
-      <option name="PACKAGES_TO_USE_STAR_IMPORTS">
-        <value />
-      </option>
-      <option name="PACKAGES_IMPORT_LAYOUT">
-        <value>
-          <package name="" alias="false" withSubpackages="true" />
-          <package name="java" alias="false" withSubpackages="true" />
-          <package name="javax" alias="false" withSubpackages="true" />
-          <package name="kotlin" alias="false" withSubpackages="true" />
-          <package name="" alias="true" withSubpackages="true" />
-        </value>
-      </option>
-      <option name="NAME_COUNT_TO_USE_STAR_IMPORT" value="2147483647" />
-      <option name="NAME_COUNT_TO_USE_STAR_IMPORT_FOR_MEMBERS" value="2147483647" />
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>
     <XML>

.idea/dictionaries/briar.xml

@@ -1,14 +0,0 @@
-<component name="ProjectDictionaryState">
-  <dictionary name="briar">
-    <words>
-      <w>briar</w>
-      <w>briarproject</w>
-      <w>emoji</w>
-      <w>encrypter</w>
-      <w>identicon</w>
-      <w>introducee</w>
-      <w>introducer</w>
-      <w>onboarding</w>
-    </words>
-  </dictionary>
-</component>

.idea/runConfigurations/All_tests.xml

@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="All tests" type="AndroidJUnit" factoryName="Android JUnit">
-    <module name="briar.briar-android" />
+    <module name="briar-android" />
     <option name="PACKAGE_NAME" value="" />
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />
@@ -13,7 +13,6 @@
       <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-core" run_configuration_type="AndroidJUnit" />
       <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-android" run_configuration_type="AndroidJUnit" />
       <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-java" run_configuration_type="AndroidJUnit" />
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in briar-api" run_configuration_type="AndroidJUnit" />
       <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in briar-core" run_configuration_type="AndroidJUnit" />
       <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in briar-headless" run_configuration_type="AndroidJUnit" />
     </method>

.idea/runConfigurations/All_tests_in_bramble_android.xml

@@ -1,14 +1,20 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="All tests in bramble-android" type="AndroidJUnit" factoryName="Android JUnit">
-    <module name="briar.bramble-android" />
+    <module name="bramble-android" />
+    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+    <option name="ALTERNATIVE_JRE_PATH" />
     <option name="PACKAGE_NAME" value="" />
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />
     <option name="TEST_OBJECT" value="package" />
+    <option name="VM_PARAMETERS" value="-ea" />
     <option name="PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-android" />
-    <method v="2">
-      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </method>
+    <option name="PASS_PARENT_ENVS" value="true" />
+    <option name="TEST_SEARCH_SCOPE">
+      <value defaultName="singleModule" />
+    </option>
+    <patterns />
+    <method />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_bramble_api.xml

@@ -1,14 +1,20 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="All tests in bramble-api" type="AndroidJUnit" factoryName="Android JUnit">
-    <module name="briar.bramble-api" />
+    <module name="bramble-api" />
+    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+    <option name="ALTERNATIVE_JRE_PATH" />
     <option name="PACKAGE_NAME" value="" />
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />
     <option name="TEST_OBJECT" value="package" />
+    <option name="VM_PARAMETERS" value="-ea" />
     <option name="PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-api" />
-    <method v="2">
-      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </method>
+    <option name="PASS_PARENT_ENVS" value="true" />
+    <option name="TEST_SEARCH_SCOPE">
+      <value defaultName="singleModule" />
+    </option>
+    <patterns />
+    <method />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_bramble_core.xml

@@ -1,14 +1,20 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="All tests in bramble-core" type="AndroidJUnit" factoryName="Android JUnit">
-    <module name="briar.bramble-core" />
+    <module name="bramble-core" />
+    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+    <option name="ALTERNATIVE_JRE_PATH" />
     <option name="PACKAGE_NAME" value="" />
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />
     <option name="TEST_OBJECT" value="package" />
+    <option name="VM_PARAMETERS" value="-ea" />
     <option name="PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-core" />
-    <method v="2">
-      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </method>
+    <option name="PASS_PARENT_ENVS" value="true" />
+    <option name="TEST_SEARCH_SCOPE">
+      <value defaultName="singleModule" />
+    </option>
+    <patterns />
+    <method />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_bramble_java.xml

@@ -1,6 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="All tests in bramble-java" type="AndroidJUnit" factoryName="Android JUnit">
-    <module name="briar.bramble-java" />
+    <module name="bramble-java" />
+    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+    <option name="ALTERNATIVE_JRE_PATH" />
     <option name="PACKAGE_NAME" value="" />
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />
@@ -8,8 +10,11 @@
     <option name="VM_PARAMETERS" value="-ea -Djava.library.path=libs" />
     <option name="PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-java" />
-    <method v="2">
-      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </method>
+    <option name="PASS_PARENT_ENVS" value="true" />
+    <option name="TEST_SEARCH_SCOPE">
+      <value defaultName="singleModule" />
+    </option>
+    <patterns />
+    <method />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_briar_android.xml

@@ -1,14 +1,20 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="All tests in briar-android" type="AndroidJUnit" factoryName="Android JUnit">
-    <module name="briar.briar-android" />
+    <module name="briar-android" />
+    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+    <option name="ALTERNATIVE_JRE_PATH" />
     <option name="PACKAGE_NAME" value="" />
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />
     <option name="TEST_OBJECT" value="package" />
+    <option name="VM_PARAMETERS" value="-ea" />
     <option name="PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-android" />
-    <method v="2">
-      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </method>
+    <option name="PASS_PARENT_ENVS" value="true" />
+    <option name="TEST_SEARCH_SCOPE">
+      <value defaultName="singleModule" />
+    </option>
+    <patterns />
+    <method />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_briar_api.xml

@@ -1,14 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All tests in briar-api" type="AndroidJUnit" factoryName="Android JUnit">
-    <module name="briar.briar-api" />
-    <option name="PACKAGE_NAME" value="" />
-    <option name="MAIN_CLASS_NAME" value="" />
-    <option name="METHOD_NAME" value="" />
-    <option name="TEST_OBJECT" value="package" />
-    <option name="PARAMETERS" value="" />
-    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-api" />
-    <method v="2">
-      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </method>
-  </configuration>
-</component>

.idea/runConfigurations/All_tests_in_briar_core.xml

@@ -1,14 +1,20 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="All tests in briar-core" type="AndroidJUnit" factoryName="Android JUnit">
-    <module name="briar.briar-core" />
+    <module name="briar-core" />
+    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+    <option name="ALTERNATIVE_JRE_PATH" />
     <option name="PACKAGE_NAME" value="" />
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />
     <option name="TEST_OBJECT" value="package" />
+    <option name="VM_PARAMETERS" value="-ea" />
     <option name="PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-core" />
-    <method v="2">
-      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </method>
+    <option name="PASS_PARENT_ENVS" value="true" />
+    <option name="TEST_SEARCH_SCOPE">
+      <value defaultName="singleModule" />
+    </option>
+    <patterns />
+    <method />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_briar_headless.xml

@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="All tests in briar-headless" type="AndroidJUnit" factoryName="Android JUnit">
-    <module name="briar.briar-headless" />
+    <module name="briar-headless" />
     <option name="PACKAGE_NAME" value="org.briarproject.briar.headless" />
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />

.idea/runConfigurations/BridgeTest.xml

@@ -1,24 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="BridgeTest" type="AndroidJUnit" factoryName="Android JUnit" nameIsGenerated="true">
-    <module name="briar.bramble-java" />
-    <useClassPathOnly />
-    <extension name="coverage">
-      <pattern>
-        <option name="PATTERN" value="org.briarproject.bramble.plugin.tor.*" />
-        <option name="ENABLED" value="true" />
-      </pattern>
-    </extension>
-    <option name="PACKAGE_NAME" value="org.briarproject.bramble.plugin.tor" />
-    <option name="MAIN_CLASS_NAME" value="org.briarproject.bramble.plugin.tor.BridgeTest" />
-    <option name="METHOD_NAME" value="" />
-    <option name="TEST_OBJECT" value="class" />
-    <option name="PARAMETERS" value="" />
-    <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
-    <envs>
-      <env name="OPTIONAL_TESTS" value="org.briarproject.bramble.plugin.tor.BridgeTest" />
-    </envs>
-    <method v="2">
-      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </method>
-  </configuration>
-</component>

.idea/runConfigurations/H2_Performance_Test.xml

@@ -1,14 +1,20 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="H2 Performance Test" type="AndroidJUnit" factoryName="Android JUnit">
-    <module name="briar.bramble-core" />
+    <module name="bramble-core" />
+    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+    <option name="ALTERNATIVE_JRE_PATH" />
     <option name="PACKAGE_NAME" value="org.briarproject.bramble.db" />
     <option name="MAIN_CLASS_NAME" value="org.briarproject.bramble.db.H2DatabasePerformanceTest" />
     <option name="METHOD_NAME" value="" />
     <option name="TEST_OBJECT" value="class" />
+    <option name="VM_PARAMETERS" value="-ea" />
     <option name="PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="" />
-    <method v="2">
-      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </method>
+    <option name="PASS_PARENT_ENVS" value="true" />
+    <option name="TEST_SEARCH_SCOPE">
+      <value defaultName="singleModule" />
+    </option>
+    <patterns />
+    <method />
   </configuration>
 </component>

.idea/runConfigurations/HyperSQL_Performance_Test.xml

@@ -1,14 +1,20 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="HyperSQL Performance Test" type="AndroidJUnit" factoryName="Android JUnit">
-    <module name="briar.bramble-core" />
+    <module name="bramble-core" />
+    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+    <option name="ALTERNATIVE_JRE_PATH" />
     <option name="PACKAGE_NAME" value="org.briarproject.bramble.db" />
     <option name="MAIN_CLASS_NAME" value="org.briarproject.bramble.db.HyperSqlDatabasePerformanceTest" />
     <option name="METHOD_NAME" value="" />
     <option name="TEST_OBJECT" value="class" />
+    <option name="VM_PARAMETERS" value="-ea" />
     <option name="PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="" />
-    <method v="2">
-      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </method>
+    <option name="PASS_PARENT_ENVS" value="true" />
+    <option name="TEST_SEARCH_SCOPE">
+      <value defaultName="singleModule" />
+    </option>
+    <patterns />
+    <method />
   </configuration>
 </component>

.idea/runConfigurations/Instrumentation_Tests__destroys_DB_.xml

@@ -1,51 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Instrumentation Tests (destroys DB)" type="AndroidTestRunConfigurationType" factoryName="Android Instrumented Tests">
-    <module name="briar.briar-android" />
-    <option name="TESTING_TYPE" value="1" />
-    <option name="METHOD_NAME" value="" />
-    <option name="CLASS_NAME" value="" />
-    <option name="PACKAGE_NAME" value="org.briarproject.briar.android" />
-    <option name="INSTRUMENTATION_RUNNER_CLASS" value="" />
-    <option name="EXTRA_OPTIONS" value="-e notAnnotation androidx.test.filters.LargeTest" />
-    <option name="INCLUDE_GRADLE_EXTRA_OPTIONS" value="true" />
-    <option name="CLEAR_LOGCAT" value="false" />
-    <option name="SHOW_LOGCAT_AUTOMATICALLY" value="false" />
-    <option name="SKIP_NOOP_APK_INSTALLATIONS" value="true" />
-    <option name="FORCE_STOP_RUNNING_APP" value="true" />
-    <option name="TARGET_SELECTION_MODE" value="DEVICE_AND_SNAPSHOT_COMBO_BOX" />
-    <option name="DEBUGGER_TYPE" value="Auto" />
-    <Auto>
-      <option name="USE_JAVA_AWARE_DEBUGGER" value="false" />
-      <option name="SHOW_STATIC_VARS" value="true" />
-      <option name="WORKING_DIR" value="" />
-      <option name="TARGET_LOGGING_CHANNELS" value="lldb process:gdb-remote packets" />
-      <option name="SHOW_OPTIMIZED_WARNING" value="true" />
-    </Auto>
-    <Hybrid>
-      <option name="USE_JAVA_AWARE_DEBUGGER" value="false" />
-      <option name="SHOW_STATIC_VARS" value="true" />
-      <option name="WORKING_DIR" value="" />
-      <option name="TARGET_LOGGING_CHANNELS" value="lldb process:gdb-remote packets" />
-      <option name="SHOW_OPTIMIZED_WARNING" value="true" />
-    </Hybrid>
-    <Java />
-    <Native>
-      <option name="USE_JAVA_AWARE_DEBUGGER" value="false" />
-      <option name="SHOW_STATIC_VARS" value="true" />
-      <option name="WORKING_DIR" value="" />
-      <option name="TARGET_LOGGING_CHANNELS" value="lldb process:gdb-remote packets" />
-      <option name="SHOW_OPTIMIZED_WARNING" value="true" />
-    </Native>
-    <Profilers>
-      <option name="ADVANCED_PROFILING_ENABLED" value="false" />
-      <option name="STARTUP_PROFILING_ENABLED" value="false" />
-      <option name="STARTUP_CPU_PROFILING_ENABLED" value="false" />
-      <option name="STARTUP_CPU_PROFILING_CONFIGURATION_NAME" value="Sample Java Methods" />
-      <option name="STARTUP_NATIVE_MEMORY_PROFILING_ENABLED" value="false" />
-      <option name="NATIVE_MEMORY_SAMPLE_RATE_BYTES" value="2048" />
-    </Profilers>
-    <method v="2">
-      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </method>
-  </configuration>
-</component>

.idea/runConfigurations/briar_headless.xml

@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="briar-headless" type="JetRunConfigurationType" singleton="true">
-    <module name="briar.briar-headless" />
+  <configuration default="false" name="briar-headless" type="JetRunConfigurationType" factoryName="Kotlin" singleton="true">
+    <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
     <option name="VM_PARAMETERS" value="" />
     <option name="PROGRAM_PARAMETERS" value="-v" />
     <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
@@ -8,8 +8,9 @@
     <option name="PASS_PARENT_ENVS" value="true" />
     <option name="MAIN_CLASS_NAME" value="org.briarproject.briar.headless.MainKt" />
     <option name="WORKING_DIRECTORY" value="" />
-    <method v="2">
-      <option name="Make" enabled="true" />
+    <module name="briar-headless" />
+    <envs />
+    <method>
       <option name="Gradle.BeforeRunTask" enabled="true" tasks="jar" externalProjectPath="$PROJECT_DIR$/briar-headless" vmOptions="" scriptParameters="" />
     </method>
   </configuration>

bramble-android/.gitignore

@@ -3,4 +3,3 @@ gen
 build
 .settings
 src/main/res/raw/*.zip
-src/main/jniLibs

bramble-android/build.gradle

@@ -5,18 +5,14 @@ apply plugin: 'witness'
 apply from: 'witness.gradle'
 
 android {
-	compileSdkVersion 30
-	buildToolsVersion '30.0.2'
-
-	packagingOptions {
-		doNotStrip '**/*.so'
-	}
+	compileSdkVersion 29
+	buildToolsVersion '29.0.2'
 
 	defaultConfig {
 		minSdkVersion 16
-		targetSdkVersion 29
-		versionCode 10219
-		versionName "1.2.19"
+		targetSdkVersion 28
+		versionCode 10209
+		versionName "1.2.9"
 		consumerProguardFiles 'proguard-rules.txt'
 
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -42,8 +38,8 @@ configurations {
 
 dependencies {
 	implementation project(path: ':bramble-core', configuration: 'default')
-	tor 'org.briarproject:tor-android:0.3.5.13@zip'
-	tor 'org.briarproject:obfs4proxy-android:0.0.12-dev-40245c4a@zip'
+	tor 'org.briarproject:tor-android:0.3.5.10@zip'
+	tor 'org.briarproject:obfs4proxy-android:0.0.11-2@zip'
 
 	annotationProcessor 'com.google.dagger:dagger-compiler:2.24'
 
@@ -57,12 +53,10 @@ dependencies {
 }
 
 def torBinariesDir = 'src/main/res/raw'
-def torLibsDir = 'src/main/jniLibs'
 
 task cleanTorBinaries {
 	doLast {
 		delete fileTree(torBinariesDir) { include '*.zip' }
-		delete fileTree(torLibsDir) { include '**/*.so' }
 	}
 }
 
@@ -73,36 +67,8 @@ task unpackTorBinaries {
 		copy {
 			from configurations.tor.collect { zipTree(it) }
 			into torBinariesDir
-			include 'geoip.zip'
-		}
-		configurations.tor.each { outer ->
-			zipTree(outer).each { inner ->
-				if (inner.name.endsWith('_arm_pie.zip')) {
-					copy {
-						from zipTree(inner)
-						into torLibsDir
-						rename '(.*)', 'armeabi-v7a/lib$1.so'
-					}
-				} else if (inner.name.endsWith('_arm64_pie.zip')) {
-					copy {
-						from zipTree(inner)
-						into torLibsDir
-						rename '(.*)', 'arm64-v8a/lib$1.so'
-					}
-				} else if (inner.name.endsWith('_x86_pie.zip')) {
-					copy {
-						from zipTree(inner)
-						into torLibsDir
-						rename '(.*)', 'x86/lib$1.so'
-					}
-				} else if (inner.name.endsWith('_x86_64_pie.zip')) {
-					copy {
-						from zipTree(inner)
-						into torLibsDir
-						rename '(.*)', 'x86_64/lib$1.so'
-					}
-				}
-			}
+			// TODO: Remove after next Tor upgrade, which won't include non-PIE binaries
+			include 'geoip.zip', '*_pie.zip'
 		}
 	}
 	dependsOn cleanTorBinaries
@@ -110,6 +76,5 @@ task unpackTorBinaries {
 
 tasks.withType(MergeResources) {
 	inputs.dir torBinariesDir
-	inputs.dir torLibsDir
 	dependsOn unpackTorBinaries
 }

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

@@ -1,15 +1,11 @@
 package org.briarproject.bramble.network;
 
-import android.annotation.TargetApi;
 import android.app.Application;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.ConnectivityManager;
-import android.net.LinkAddress;
-import android.net.LinkProperties;
-import android.net.Network;
 import android.net.NetworkInfo;
 
 import org.briarproject.bramble.api.event.EventBus;
@@ -23,11 +19,6 @@ import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
 import org.briarproject.bramble.api.system.TaskScheduler;
 import org.briarproject.bramble.api.system.TaskScheduler.Cancellable;
 
-import java.net.Inet4Address;
-import java.net.InetAddress;
-import java.net.NetworkInterface;
-import java.net.SocketException;
-import java.util.Enumeration;
 import java.util.concurrent.Executor;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -45,22 +36,16 @@ import static android.net.ConnectivityManager.TYPE_WIFI;
 import static android.net.wifi.p2p.WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION;
 import static android.os.Build.VERSION.SDK_INT;
 import static android.os.PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED;
-import static java.net.NetworkInterface.getNetworkInterfaces;
-import static java.util.Collections.list;
 import static java.util.concurrent.TimeUnit.MINUTES;
 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.api.nullsafety.NullSafety.requireNonNull;
-import static org.briarproject.bramble.util.LogUtils.logException;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
 class AndroidNetworkManager implements NetworkManager, Service {
 
 	private static final Logger LOG =
-			getLogger(AndroidNetworkManager.class.getName());
+			Logger.getLogger(AndroidNetworkManager.class.getName());
 
 	// See android.net.wifi.WifiManager
 	private static final String WIFI_AP_STATE_CHANGED_ACTION =
@@ -69,8 +54,7 @@ class AndroidNetworkManager implements NetworkManager, Service {
 	private final TaskScheduler scheduler;
 	private final EventBus eventBus;
 	private final Executor eventExecutor;
-	private final Application app;
-	private final ConnectivityManager connectivityManager;
+	private final Context appContext;
 	private final AtomicReference<Cancellable> connectivityCheck =
 			new AtomicReference<>();
 	private final AtomicBoolean used = new AtomicBoolean(false);
@@ -83,9 +67,7 @@ class AndroidNetworkManager implements NetworkManager, Service {
 		this.scheduler = scheduler;
 		this.eventBus = eventBus;
 		this.eventExecutor = eventExecutor;
-		this.app = app;
-		connectivityManager = (ConnectivityManager)
-				requireNonNull(app.getSystemService(CONNECTIVITY_SERVICE));
+		this.appContext = app.getApplicationContext();
 	}
 
 	@Override
@@ -100,82 +82,24 @@ 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);
+		appContext.registerReceiver(networkStateReceiver, filter);
 	}
 
 	@Override
 	public void stopService() {
 		if (networkStateReceiver != null)
-			app.unregisterReceiver(networkStateReceiver);
+			appContext.unregisterReceiver(networkStateReceiver);
 	}
 
 	@Override
 	public NetworkStatus getNetworkStatus() {
-		NetworkInfo net = connectivityManager.getActiveNetworkInfo();
+		ConnectivityManager cm = (ConnectivityManager)
+				appContext.getSystemService(CONNECTIVITY_SERVICE);
+		if (cm == null) throw new AssertionError();
+		NetworkInfo net = cm.getActiveNetworkInfo();
 		boolean connected = net != null && net.isConnected();
-		boolean wifi = false, ipv6Only = false;
-		if (connected) {
-			wifi = net.getType() == TYPE_WIFI;
-			if (SDK_INT >= 23) ipv6Only = isActiveNetworkIpv6Only();
-			else ipv6Only = areAllAvailableNetworksIpv6Only();
-		}
-		return new NetworkStatus(connected, wifi, ipv6Only);
-	}
-
-	/**
-	 * Returns true if the
-	 * {@link ConnectivityManager#getActiveNetwork() active network} has an
-	 * IPv6 unicast address and no IPv4 addresses. The active network is
-	 * assumed not to be a loopback interface.
-	 */
-	@TargetApi(23)
-	private boolean isActiveNetworkIpv6Only() {
-		Network net = connectivityManager.getActiveNetwork();
-		if (net == null) {
-			LOG.info("No active network");
-			return false;
-		}
-		LinkProperties props = connectivityManager.getLinkProperties(net);
-		if (props == null) {
-			LOG.info("No link properties for active network");
-			return false;
-		}
-		boolean hasIpv6Unicast = false;
-		for (LinkAddress linkAddress : props.getLinkAddresses()) {
-			InetAddress addr = linkAddress.getAddress();
-			if (addr instanceof Inet4Address) return false;
-			if (!addr.isMulticastAddress()) hasIpv6Unicast = true;
-		}
-		return hasIpv6Unicast;
-	}
-
-	/**
-	 * Returns true if the device has at least one network interface with an
-	 * IPv6 unicast address and no interfaces with IPv4 addresses, excluding
-	 * loopback interfaces and interfaces that are
-	 * {@link NetworkInterface#isUp() down}. If this method returns true and
-	 * the device has internet access then it's via IPv6 only.
-	 */
-	private boolean areAllAvailableNetworksIpv6Only() {
-		try {
-			Enumeration<NetworkInterface> interfaces = getNetworkInterfaces();
-			if (interfaces == null) {
-				LOG.info("No network interfaces");
-				return false;
-			}
-			boolean hasIpv6Unicast = false;
-			for (NetworkInterface i : list(interfaces)) {
-				if (i.isLoopback() || !i.isUp()) continue;
-				for (InetAddress addr : list(i.getInetAddresses())) {
-					if (addr instanceof Inet4Address) return false;
-					if (!addr.isMulticastAddress()) hasIpv6Unicast = true;
-				}
-			}
-			return hasIpv6Unicast;
-		} catch (SocketException e) {
-			logException(LOG, WARNING, e);
-			return false;
-		}
+		boolean wifi = connected && net.getType() == TYPE_WIFI;
+		return new NetworkStatus(connected, wifi);
 	}
 
 	private void updateConnectionStatus() {

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

@@ -135,7 +135,6 @@ class AndroidBluetoothPlugin
 	@Override
 	@Nullable
 	String getBluetoothAddress() {
-		if (adapter == null) return null;
 		String address = AndroidUtils.getBluetoothAddress(app, adapter);
 		return address.isEmpty() ? null : address;
 	}
@@ -175,11 +174,6 @@ class AndroidBluetoothPlugin
 		} catch (IOException e) {
 			IoUtils.tryToClose(s, LOG, WARNING);
 			throw e;
-		} catch (NullPointerException e) {
-			// BluetoothSocket#connect() may throw an NPE under unknown
-			// circumstances
-			IoUtils.tryToClose(s, LOG, WARNING);
-			throw new IOException(e);
 		}
 	}
 

bramble-android/src/main/java/org/briarproject/bramble/plugin/tor/AndroidTorPlugin.java

@@ -16,42 +16,19 @@ import org.briarproject.bramble.api.system.AndroidWakeLockManager;
 import org.briarproject.bramble.api.system.Clock;
 import org.briarproject.bramble.api.system.LocationUtils;
 import org.briarproject.bramble.api.system.ResourceProvider;
-import org.briarproject.bramble.util.AndroidUtils;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
 import java.util.concurrent.Executor;
-import java.util.logging.Logger;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipInputStream;
 
 import javax.net.SocketFactory;
 
-import static android.os.Build.VERSION.SDK_INT;
-import static java.util.Arrays.asList;
-import static java.util.logging.Level.INFO;
-import static java.util.logging.Logger.getLogger;
-
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
 class AndroidTorPlugin extends TorPlugin {
 
-	private static final List<String> LIBRARY_ARCHITECTURES =
-			asList("armeabi-v7a", "arm64-v8a", "x86", "x86_64");
-
-	private static final String TOR_LIB_NAME = "libtor.so";
-	private static final String OBFS4_LIB_NAME = "libobfs4proxy.so";
-
-	private static final Logger LOG =
-			getLogger(AndroidTorPlugin.class.getName());
-
 	private final Application app;
 	private final AndroidWakeLock wakeLock;
-	private final File torLib, obfs4Lib;
 
 	AndroidTorPlugin(Executor ioExecutor,
 			Executor wakefulIoExecutor,
@@ -78,9 +55,6 @@ class AndroidTorPlugin extends TorPlugin {
 				maxIdleTime, torDirectory);
 		this.app = app;
 		wakeLock = wakeLockManager.createWakeLock("TorPlugin");
-		String nativeLibDir = app.getApplicationInfo().nativeLibraryDir;
-		torLib = new File(nativeLibDir, TOR_LIB_NAME);
-		obfs4Lib = new File(nativeLibDir, OBFS4_LIB_NAME);
 	}
 
 	@Override
@@ -111,112 +85,4 @@ class AndroidTorPlugin extends TorPlugin {
 		super.stop();
 		wakeLock.release();
 	}
-
-	@Override
-	protected File getTorExecutableFile() {
-		return torLib.exists() ? torLib : super.getTorExecutableFile();
-	}
-
-	@Override
-	protected File getObfs4ExecutableFile() {
-		return obfs4Lib.exists() ? obfs4Lib : super.getObfs4ExecutableFile();
-	}
-
-	@Override
-	protected void installTorExecutable() throws IOException {
-		File extracted = super.getTorExecutableFile();
-		if (torLib.exists()) {
-			// If an older version left behind a Tor binary, delete it
-			if (extracted.exists()) {
-				if (extracted.delete()) LOG.info("Deleted Tor binary");
-				else LOG.info("Failed to delete Tor binary");
-			}
-		} else if (SDK_INT < 29) {
-			// The binary wasn't extracted at install time. Try to extract it
-			extractLibraryFromApk(TOR_LIB_NAME, extracted);
-		} else {
-			// No point extracting the binary, we won't be allowed to execute it
-			throw new FileNotFoundException(torLib.getAbsolutePath());
-		}
-	}
-
-	@Override
-	protected void installObfs4Executable() throws IOException {
-		File extracted = super.getObfs4ExecutableFile();
-		if (obfs4Lib.exists()) {
-			// If an older version left behind an obfs4 binary, delete it
-			if (extracted.exists()) {
-				if (extracted.delete()) LOG.info("Deleted obfs4 binary");
-				else LOG.info("Failed to delete obfs4 binary");
-			}
-		} else if (SDK_INT < 29) {
-			// The binary wasn't extracted at install time. Try to extract it
-			extractLibraryFromApk(OBFS4_LIB_NAME, extracted);
-		} else {
-			// No point extracting the binary, we won't be allowed to execute it
-			throw new FileNotFoundException(obfs4Lib.getAbsolutePath());
-		}
-	}
-
-	private void extractLibraryFromApk(String libName, File dest)
-			throws IOException {
-		File sourceDir = new File(app.getApplicationInfo().sourceDir);
-		if (sourceDir.isFile()) {
-			// Look for other APK files in the same directory, if we're allowed
-			File parent = sourceDir.getParentFile();
-			if (parent != null) sourceDir = parent;
-		}
-		List<String> libPaths = getSupportedLibraryPaths(libName);
-		for (File apk : findApkFiles(sourceDir)) {
-			ZipInputStream zin = new ZipInputStream(new FileInputStream(apk));
-			for (ZipEntry e = zin.getNextEntry(); e != null;
-					e = zin.getNextEntry()) {
-				if (libPaths.contains(e.getName())) {
-					if (LOG.isLoggable(INFO)) {
-						LOG.info("Extracting " + e.getName()
-								+ " from " + apk.getAbsolutePath());
-					}
-					extract(zin, dest); // Zip input stream will be closed
-					return;
-				}
-			}
-			zin.close();
-		}
-		throw new FileNotFoundException(libName);
-	}
-
-	/**
-	 * Returns all files with the extension .apk or .APK under the given root.
-	 */
-	private List<File> findApkFiles(File root) {
-		List<File> files = new ArrayList<>();
-		findApkFiles(root, files);
-		return files;
-	}
-
-	private void findApkFiles(File f, List<File> files) {
-		if (f.isFile() && f.getName().toLowerCase().endsWith(".apk")) {
-			files.add(f);
-		} else if (f.isDirectory()) {
-			File[] children = f.listFiles();
-			if (children != null) {
-				for (File child : children) findApkFiles(child, files);
-			}
-		}
-	}
-
-	/**
-	 * Returns the paths at which libraries with the given name would be found
-	 * inside an APK file, for all architectures supported by the device, in
-	 * order of preference.
-	 */
-	private List<String> getSupportedLibraryPaths(String libName) {
-		List<String> architectures = new ArrayList<>();
-		for (String abi : AndroidUtils.getSupportedArchitectures()) {
-			if (LIBRARY_ARCHITECTURES.contains(abi)) {
-				architectures.add("lib/" + abi + "/" + libName);
-			}
-		}
-		return architectures;
-	}
 }

bramble-android/src/main/java/org/briarproject/bramble/system/AndroidSecureRandomProvider.java

@@ -6,6 +6,8 @@ import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.ContentResolver;
 import android.content.Context;
+import android.net.wifi.WifiConfiguration;
+import android.net.wifi.WifiManager;
 import android.os.Build;
 import android.os.Parcel;
 import android.os.StrictMode;
@@ -15,10 +17,12 @@ import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 
 import java.io.DataOutputStream;
 import java.io.IOException;
+import java.util.List;
 
 import javax.annotation.concurrent.Immutable;
 import javax.inject.Inject;
 
+import static android.content.Context.WIFI_SERVICE;
 import static android.os.Build.VERSION.SDK_INT;
 import static android.provider.Settings.Secure.ANDROID_ID;
 
@@ -48,6 +52,15 @@ class AndroidSecureRandomProvider extends UnixSecureRandomProvider {
 		String id = Settings.Secure.getString(contentResolver, ANDROID_ID);
 		if (id != null) out.writeUTF(id);
 		Parcel parcel = Parcel.obtain();
+		WifiManager wm = (WifiManager) appContext.getApplicationContext()
+				.getSystemService(WIFI_SERVICE);
+		if (wm != null) {
+			List<WifiConfiguration> configs = wm.getConfiguredNetworks();
+			if (configs != null) {
+				for (WifiConfiguration config : configs)
+					parcel.writeParcelable(config, 0);
+			}
+		}
 		BluetoothAdapter bt = BluetoothAdapter.getDefaultAdapter();
 		if (bt != null) {
 			for (BluetoothDevice device : bt.getBondedDevices())

bramble-android/src/main/java/org/briarproject/bramble/system/AndroidWakeLockManagerImpl.java

@@ -2,6 +2,7 @@ package org.briarproject.bramble.system;
 
 import android.app.Application;
 import android.content.Context;
+import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.os.PowerManager;
 
@@ -105,21 +106,14 @@ class AndroidWakeLockManagerImpl implements AndroidWakeLockManager {
 
 	private String getWakeLockTag(Context ctx) {
 		PackageManager pm = ctx.getPackageManager();
-		if (isInstalled(pm, "com.huawei.powergenie")) {
-			return "LocationManagerService";
-		} else if (isInstalled(pm, "com.evenwell.PowerMonitor")) {
-			return "AudioIn";
+		for (PackageInfo info : pm.getInstalledPackages(0)) {
+			String name = info.packageName.toLowerCase();
+			if (name.startsWith("com.huawei.powergenie")) {
+				return "LocationManagerService";
+			} else if (name.startsWith("com.evenwell.powermonitor")) {
+				return "AudioIn";
+			}
 		}
 		return ctx.getPackageName();
 	}
-
-	private boolean isInstalled(PackageManager pm, String packageName) {
-		try {
-			pm.getPackageInfo(packageName, 0);
-			return true;
-		} catch (PackageManager.NameNotFoundException e) {
-			return false;
-		}
-	}
-
 }

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

@@ -31,7 +31,6 @@ public class AndroidUtils {
 	private static final String FAKE_BLUETOOTH_ADDRESS = "02:00:00:00:00:00";
 
 	private static final String STORED_REPORTS = "dev-reports";
-	private static final String STORED_LOGCAT = "dev-logcat";
 
 	public static Collection<String> getSupportedArchitectures() {
 		List<String> abis = new ArrayList<>();
@@ -108,14 +107,14 @@ public class AndroidUtils {
 		return ctx.getDir(STORED_REPORTS, MODE_PRIVATE);
 	}
 
-	public static File getLogcatFile(Context ctx) {
-		return new File(ctx.getFilesDir(), STORED_LOGCAT);
-	}
-
 	/**
 	 * Returns an array of supported content types for image attachments.
+	 * GIFs can't be compressed on API < 24 so they're not supported.
+	 * <p>
+	 * TODO: Remove this restriction when large message support is added
 	 */
 	public static String[] getSupportedImageContentTypes() {
-		return new String[] {"image/jpeg", "image/png", "image/gif"};
+		if (SDK_INT < 24) return new String[] {"image/jpeg", "image/png"};
+		else return new String[] {"image/jpeg", "image/png", "image/gif"};
 	}
 }

bramble-android/witness.gradle

@@ -1,36 +1,33 @@
 dependencyVerification {
     verify = [
         'cglib:cglib:3.2.0:cglib-3.2.0.jar:adb13bab79712ad6bdf1bd59f2a3918018a8016e722e8a357065afb9e6690861',
-        'com.android.tools.analytics-library:protos:27.1.1:protos-27.1.1.jar:13f77e73762e58ab372d140b3a6be6903aea9775b62dd14fbc62d4cc7069c9a4',
-        'com.android.tools.analytics-library:shared:27.1.1:shared-27.1.1.jar:82930a52001410e97d809930b670f4de3002286975f046b9de5f6b777b06d366',
-        'com.android.tools.analytics-library:tracker:27.1.1:tracker-27.1.1.jar:31bc5a00be0055bac89c9b2f34751883e987cd89e3ac1783720645c164f591d9',
-        'com.android.tools.build:aapt2-proto:4.1.0-alpha01-6193524:aapt2-proto-4.1.0-alpha01-6193524.jar:17e75523e1e92dd4f222c7368ee41df9e964a508232f591e265d0c499baf9dca',
-        'com.android.tools.build:apksig:4.1.1:apksig-4.1.1.jar:e0a69da9e5a03986d608b45bbf954ef0e6a0b3f58c1b8315bd169ec08b279e72',
-        'com.android.tools.build:apkzlib:4.1.1:apkzlib-4.1.1.jar:ba4b5e419b6be0130eae7f8301c3a551ad3976f487d2e0c6852ebb175ac41127',
-        'com.android.tools.build:builder-model:4.1.1:builder-model-4.1.1.jar:e95c99cc298ad67b8deb6ced99c51abc8f59afebedad044b1a10dde14646a4dd',
-        'com.android.tools.build:builder-test-api:4.1.1:builder-test-api-4.1.1.jar:464f596ab261c051c3847406748e843770dea123f6fa5fee8a9390644e709b7a',
-        'com.android.tools.build:builder:4.1.1:builder-4.1.1.jar:0f78d4759d2f7b57b95865522ec34596ba419b9982f3b25e3449213f9c98b80d',
-        'com.android.tools.build:gradle-api:4.1.1:gradle-api-4.1.1.jar:d42e6b539e4c1353ad3546e75ec8ce11a017b97481023e8ea18577eefe374358',
-        'com.android.tools.build:manifest-merger:27.1.1:manifest-merger-27.1.1.jar:7a45fa143687859bb2e5a961dcf6ee88094d3853de0cb543dc03dbcb0f4b554b',
-        'com.android.tools.ddms:ddmlib:27.1.1:ddmlib-27.1.1.jar:da6e4bd834b6a85dae8019039849d8bd96933347dfbf460df74913ddade6e40a',
-        'com.android.tools.external.com-intellij:intellij-core:27.1.1:intellij-core-27.1.1.jar:2591a7363c4443c59bf9f793730acafce9d6ec3076e2f46716edaf53a41b6fb6',
-        'com.android.tools.external.com-intellij:kotlin-compiler:27.1.1:kotlin-compiler-27.1.1.jar:5054ae770ba788f110303c65abd6b1fa28eccf52dee1274510e201b2b81885c8',
-        'com.android.tools.external.org-jetbrains:uast:27.1.1:uast-27.1.1.jar:54cd8f6886a9d2f5641659dd5c91f626629672cd48301f7f0bd6aad9bd448714',
-        'com.android.tools.layoutlib:layoutlib-api:27.1.1:layoutlib-api-27.1.1.jar:8a9a22e3b309521ea83b724e5a89cfdac6076f52d675c0e17d77b05527bc0f8c',
-        'com.android.tools.lint:lint-api:27.1.1:lint-api-27.1.1.jar:c1d8176094cb0478786070d40533efb578ebc53529a82f6ef5bee879bdca418b',
-        'com.android.tools.lint:lint-checks:27.1.1:lint-checks-27.1.1.jar:3899c91e00bd059b40c31a9ca00cd0f8303191947608735ae1b657323693fb61',
-        'com.android.tools.lint:lint-gradle-api:27.1.1:lint-gradle-api-27.1.1.jar:26aa89d38b9825cc73229daa82a68875801c8b8491f30497ce62aff1f206eb0d',
-        'com.android.tools.lint:lint-gradle:27.1.1:lint-gradle-27.1.1.jar:f7355823ead869f4d28184ba28b7a0c693b507519a2d3705bb9848a0f35b3756',
-        'com.android.tools.lint:lint-model:27.1.1:lint-model-27.1.1.jar:bc23c0c413bdfca59dac2cd56b870d8360d009e9ec0d365e71f774bcf127971d',
-        'com.android.tools.lint:lint:27.1.1:lint-27.1.1.jar:2f6038a5398a42bd591883c3f5e5894f4ec52ca1c3683bf94fa8553c1700af81',
-        'com.android.tools:annotations:27.1.1:annotations-27.1.1.jar:ff28c504d2acb9fd1a5ffbd97ae85cf59ee18c76927525aad250509bccf2cab1',
-        'com.android.tools:common:27.1.1:common-27.1.1.jar:63d9a2a9ad6d278db319f3749b9f50bdf5457ef7020074a1bebe124e714b535c',
-        'com.android.tools:dvlib:27.1.1:dvlib-27.1.1.jar:998a54201fc1cefee5f2399215e95c42b1f64f9e1d8f4452eb8255c68ba5440f',
-        'com.android.tools:repository:27.1.1:repository-27.1.1.jar:d25b74ccabf4d876903efb375e9af6fb380d8ae0445bb74bbdcc225c1e37fa1d',
-        'com.android.tools:sdk-common:27.1.1:sdk-common-27.1.1.jar:4473ae97d0ef7061ee1de61041d5aa97405ae08e44c09cf7bb278b42e4b97c7c',
-        'com.android.tools:sdklib:27.1.1:sdklib-27.1.1.jar:08e6b83961ac9724b3c1e3d0eff971f13be6701292c77914b8794480f3391250',
-        'com.android:signflinger:4.1.1:signflinger-4.1.1.jar:0c66825988873ec2d51057fa463f54a8f18fc7326ff4530b9da363b71e97ce60',
-        'com.android:zipflinger:4.1.1:zipflinger-4.1.1.jar:0a8c3e52ac13dd031236f9fb5ba4408b1d5dcd12325a05440b36da09d8881446',
+        'com.android.tools.analytics-library:protos:26.5.1:protos-26.5.1.jar:8dde1130725461fe827f2a343d353f2b51e8870661fc860d7d5ebddb097ead4e',
+        'com.android.tools.analytics-library:shared:26.5.1:shared-26.5.1.jar:ccc2f3b00ec17b11401610ba68553544fc8fc517120e84439ac6eb86b875e18d',
+        'com.android.tools.analytics-library:tracker:26.5.1:tracker-26.5.1.jar:3a76984c0fe2e847ca7a8b35b4780ef0447a9d1666946cb8e60466318e0ab5ae',
+        'com.android.tools.build:aapt2-proto:0.4.0:aapt2-proto-0.4.0.jar:fac0435e08898f89eeeb9ca236bea707155ff816c12205ced285ad53604133ca',
+        'com.android.tools.build:apksig:3.5.1:apksig-3.5.1.jar:1fd33e7f009a2a0da766cfeec4211a09f548034b015c289a66d75dd8a9302f4a',
+        'com.android.tools.build:apkzlib:3.5.1:apkzlib-3.5.1.jar:9f330167cbe973b7db407692f74f4f6453b7ffa5f2048934b06280c2ceee60fa',
+        'com.android.tools.build:builder-model:3.5.1:builder-model-3.5.1.jar:39ea3c82b76b6e0c9f9fa88d93e0edc1dd4a0f1dfae0ef6fbf2d451da47e5450',
+        'com.android.tools.build:builder-test-api:3.5.1:builder-test-api-3.5.1.jar:a1b59305584cbcaa078fdc9cfb80871012755b822dd32e8da19add6f7bbcb762',
+        'com.android.tools.build:builder:3.5.1:builder-3.5.1.jar:e3a8d382434c5f60990730c4719fc814e85a898a33a1e96c1df8d627d3c6eea6',
+        'com.android.tools.build:gradle-api:3.5.1:gradle-api-3.5.1.jar:be9b41859bace11998f66b04ed944f87e413f3ad6da3c4665587699da125addc',
+        'com.android.tools.build:manifest-merger:26.5.1:manifest-merger-26.5.1.jar:dcad9ecb967251f4d750f55a4204a2b400e8fbfe5cb930a1d0d5dbe10ae8bdfc',
+        'com.android.tools.ddms:ddmlib:26.5.1:ddmlib-26.5.1.jar:b081aef2a4ed3f4d47cae4cdb128469735f25a114e026d37123bf9ffdec742a8',
+        'com.android.tools.external.com-intellij:intellij-core:26.5.1:intellij-core-26.5.1.jar:20eced30adc124805bd93488d9cd9d3e33e6bf7b48e9fe5a703d4983f894d450',
+        'com.android.tools.external.com-intellij:kotlin-compiler:26.5.1:kotlin-compiler-26.5.1.jar:5aed762dd54875b77ae7018d97c05756ff0c5b9fd02ec595dd396ccd14cc22cb',
+        'com.android.tools.external.org-jetbrains:uast:26.5.1:uast-26.5.1.jar:4bc8653d6c0943f40fee963a149e36c6baa45683d2530968a13f5007e3c40740',
+        'com.android.tools.layoutlib:layoutlib-api:26.5.1:layoutlib-api-26.5.1.jar:88732f11396c427273e515d23042e35633f4fe4295528a99b866aa2adf0efd9c',
+        'com.android.tools.lint:lint-api:26.5.1:lint-api-26.5.1.jar:ec33fcd72bfaf70dd841e03fbfd93f109c2e575aec146067c606689c3972f0de',
+        'com.android.tools.lint:lint-checks:26.5.1:lint-checks-26.5.1.jar:a1b9607d484aaae7a71dcecdc76f8003d8239af226c776894a2cf63f9e6c60d7',
+        'com.android.tools.lint:lint-gradle-api:26.5.1:lint-gradle-api-26.5.1.jar:82453fd98a8394cc84ed995c04d2cd744abd1d6589403427ba7eef53115406f3',
+        'com.android.tools.lint:lint-gradle:26.5.1:lint-gradle-26.5.1.jar:59465b56cf7db77c656d5f8195d721c3d48b6bdd0502d774de335bfe4baff00b',
+        'com.android.tools.lint:lint:26.5.1:lint-26.5.1.jar:336e4b04ec6f8b0f25879131b7a7862d77df83a1879ee5b71be26128755f8e2e',
+        'com.android.tools:annotations:26.5.1:annotations-26.5.1.jar:2c43c82f8c59d8f7a61e3239e1a2dc9f69dc342ec09af9b7c9f69b25337c0b6e',
+        'com.android.tools:common:26.5.1:common-26.5.1.jar:eccfa54486ed54c4e3123cc42195d023bd0dd21bcd2f0e4868e8c6fc70f8ef6b',
+        'com.android.tools:dvlib:26.5.1:dvlib-26.5.1.jar:46f93ad498b4756e7d867d2fe38c38890a80e7407a4ae459e4a8c8d5c5aeacfe',
+        'com.android.tools:repository:26.5.1:repository-26.5.1.jar:2b3ee791aa4c3e8ce60498c161a27ca7228816fc630eed4d9f25f2f36a106dce',
+        'com.android.tools:sdk-common:26.5.1:sdk-common-26.5.1.jar:365f749676c3574676fd465177c8a492f340816db2b520d6ed114d3b6e77bea7',
+        'com.android.tools:sdklib:26.5.1:sdklib-26.5.1.jar:007da104afb27c8c682a1628023fe9ec438249c8d15ef0fd6624c5bb8e23b696',
         'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
         'com.google.code.gson:gson:2.8.5:gson-2.8.5.jar:233a0149fc365c9f6edbd683cfe266b19bdc773be98eabdaf6b3c924b48e7d81',
         'com.google.dagger:dagger-compiler:2.24:dagger-compiler-2.24.jar:3c5afb955fb188da485cb2c048eff37dce0e1530b9780a0f2f7187d16d1ccc1f',
@@ -38,30 +35,27 @@ dependencyVerification {
         'com.google.dagger:dagger-spi:2.24:dagger-spi-2.24.jar:c038445d14dbcb4054e61bf49e05009edf26fce4fdc7ec1a9db544784f68e718',
         'com.google.dagger:dagger:2.24:dagger-2.24.jar:550a6e46a6dfcdf1d764887b6090cea94f783327e50e5c73754f18facfc70b64',
         'com.google.errorprone:error_prone_annotations:2.2.0:error_prone_annotations-2.2.0.jar:6ebd22ca1b9d8ec06d41de8d64e0596981d9607b42035f9ed374f9de271a481a',
-        'com.google.errorprone:error_prone_annotations:2.3.2:error_prone_annotations-2.3.2.jar:357cd6cfb067c969226c442451502aee13800a24e950fdfde77bcdb4565a668d',
         '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:27.0.1-jre:guava-27.0.1-jre.jar:e1c814fd04492a27c38e0317eabeaa1b3e950ec8010239e400fe90ad6c9107b4',
         'com.google.guava:guava:27.1-jre:guava-27.1-jre.jar:4a5aa70cc968a4d137e599ad37553e5cfeed2265e8c193476d7119036c536fe7',
-        'com.google.guava:guava:28.1-jre:guava-28.1-jre.jar:30beb8b8527bd07c6e747e77f1a92122c2f29d57ce347461a4a55eb26e382da4',
         '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:1.1:j2objc-annotations-1.1.jar:2994a7eb78f2710bd3d3bfb639b2c94e219cedac0d4d084d516e78c16dddecf6',
-        'com.google.j2objc:j2objc-annotations:1.3:j2objc-annotations-1.3.jar:21af30c92267bd6122c0e0b4d20cccb6641a37eaf956c6540ec471d584e64a7b',
         'com.google.jimfs:jimfs:1.1:jimfs-1.1.jar:c4828e28d7c0a930af9387510b3bada7daa5c04d7c25a75c7b8b081f1c257ddd',
-        'com.google.protobuf:protobuf-java:3.10.0:protobuf-java-3.10.0.jar:161d7d61a8cb3970891c299578702fd079646e032329d6c2cabf998d191437c9',
+        'com.google.protobuf:protobuf-java:3.4.0:protobuf-java-3.4.0.jar:dce7e66b32456a1b1198da0caff3a8acb71548658391e798c79369241e6490a4',
         'com.googlecode.json-simple:json-simple:1.1:json-simple-1.1.jar:2d9484f4c649f708f47f9a479465fc729770ee65617dca3011836602264f6439',
         'com.squareup:javapoet:1.11.1:javapoet-1.11.1.jar:9cbf2107be499ec6e95afd36b58e3ca122a24166cdd375732e51267d64058e90',
         'com.squareup:javawriter:2.5.0:javawriter-2.5.0.jar:fcfb09fb0ea0aa97d3cfe7ea792398081348e468f126b3603cb3803f240197f0',
         'com.sun.activation:javax.activation:1.2.0:javax.activation-1.2.0.jar:993302b16cd7056f21e779cc577d175a810bb4900ef73cd8fbf2b50f928ba9ce',
-        'com.sun.istack:istack-commons-runtime:3.0.7:istack-commons-runtime-3.0.7.jar:6443e10ba2e259fb821d9b6becf10db5316285fc30c53cec9d7b19a3877e7fdf',
-        'com.sun.xml.fastinfoset:FastInfoset:1.2.15:FastInfoset-1.2.15.jar:785861db11ca1bd0d1956682b974ad73eb19cd3e01a4b3fa82d62eca97210aec',
+        'com.sun.istack:istack-commons-runtime:2.21:istack-commons-runtime-2.21.jar:c33e67a0807095f02a0e2da139412dd7c4f9cc1a4c054b3e434f96831ba950f4',
+        'com.sun.xml.fastinfoset:FastInfoset:1.2.13:FastInfoset-1.2.13.jar:27a77db909f3c2833c0b1a37c55af1db06045118ad2eed96ce567b6632bce038',
         'commons-codec:commons-codec:1.10:commons-codec-1.10.jar:4241dfa94e711d435f29a4604a3e2de5c4aa3c165e23bd066be6fc1fc4309569',
         'commons-logging:commons-logging:1.2:commons-logging-1.2.jar:daddea1ea0be0f56978ab3006b8ac92834afeefbd9b7e4e6316fca57df0fa636',
         'it.unimi.dsi:fastutil:7.2.0:fastutil-7.2.0.jar:74fa208043740642f7e6eb09faba15965218ad2f50ce3020efb100136e4b591c',
-        'javax.activation:javax.activation-api:1.2.0:javax.activation-api-1.2.0.jar:43fdef0b5b6ceb31b0424b208b930c74ab58fac2ceeb7b3f6fd3aeb8b5ca4393',
         'javax.annotation:jsr250-api:1.0:jsr250-api-1.0.jar:a1a922d0d9b6d183ed3800dfac01d1e1eb159f0e8c6f94736931c1def54a941f',
         'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
-        'javax.xml.bind:jaxb-api:2.3.1:jaxb-api-2.3.1.jar:88b955a0df57880a26a74708bc34f74dcaf8ebf4e78843a28b50eae945732b06',
+        'javax.xml.bind:jaxb-api:2.2.12-b140109.1041:jaxb-api-2.2.12-b140109.1041.jar:b5e60cd8b7b5ff01ce4a74c5dd008f4fbd14ced3495d0b47b85cfedc182211f2',
         'junit:junit:4.12:junit-4.12.jar:59721f0805e223d84b90677887d9ff567dc534d7c502ca903c0c2b17f05c116a',
         'net.ltgt.gradle.incap:incap:0.2:incap-0.2.jar:b625b9806b0f1e4bc7a2e3457119488de3cd57ea20feedd513db070a573a4ffd',
         'net.sf.jopt-simple:jopt-simple:4.9:jopt-simple-4.9.jar:26c5856e954b5f864db76f13b86919b59c6eecf9fd930b96baa8884626baf2f5',
@@ -75,36 +69,35 @@ dependencyVerification {
         'org.beanshell:bsh:1.3.0:bsh-1.3.0.jar:9b04edc75d19db54f1b4e8b5355e9364384c6cf71eb0a1b9724c159d779879f8',
         'org.bouncycastle:bcpkix-jdk15on:1.56:bcpkix-jdk15on-1.56.jar:7043dee4e9e7175e93e0b36f45b1ec1ecb893c5f755667e8b916eb8dd201c6ca',
         'org.bouncycastle:bcprov-jdk15on:1.56:bcprov-jdk15on-1.56.jar:963e1ee14f808ffb99897d848ddcdb28fa91ddda867eb18d303e82728f878349',
-        'org.briarproject:obfs4proxy-android:0.0.12-dev-40245c4a:obfs4proxy-android-0.0.12-dev-40245c4a.zip:8ab05a8f8391be2cb5ab2b665c281a06d9e3a756bd0f95a40a36ca927866ea82',
-        'org.briarproject:tor-android:0.3.5.13:tor-android-0.3.5.13.zip:e0978db136731dae07774b722970cdae1e462fb5adc82845dd80a7e2d87f356c',
+        'org.briarproject:obfs4proxy-android:0.0.11-2:obfs4proxy-android-0.0.11-2.zip:57e55cbe87aa2aac210fdbb6cd8cdeafe15f825406a08ebf77a8b787aa2c6a8a',
+        'org.briarproject:tor-android:0.3.5.10:tor-android-0.3.5.10.zip:edd83bf557fcff2105eaa0bdb3f607a6852ebe7360920929ae3039dd5f4774c5',
         'org.checkerframework:checker-compat-qual:2.5.3:checker-compat-qual-2.5.3.jar:d76b9afea61c7c082908023f0cbc1427fab9abd2df915c8b8a3e7a509bccbc6d',
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         'org.codehaus.mojo:animal-sniffer-annotations:1.17:animal-sniffer-annotations-1.17.jar:92654f493ecfec52082e76354f0ebf87648dc3d5cec2e3c3cdb947c016747a53',
-        'org.codehaus.mojo:animal-sniffer-annotations:1.18:animal-sniffer-annotations-1.18.jar:47f05852b48ee9baefef80fa3d8cea60efa4753c0013121dd7fe5eef2e5c729d',
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+        'org.glassfish.jaxb:jaxb-core:2.2.11:jaxb-core-2.2.11.jar:37bcaee8ebb04362c8352a5bf6221b86967ecdab5164c696b10b9a2bb587b2aa',
+        'org.glassfish.jaxb:jaxb-runtime:2.2.11:jaxb-runtime-2.2.11.jar:a874f2351cfba8e2946be3002d10c18a6da8f21b52ba2acf52f2b85d5520ed70',
+        'org.glassfish.jaxb:txw2:2.2.11:txw2-2.2.11.jar:272a3ccad45a4511351920cd2a8633c53cab8d5220c7a92954da5526bb5eafea',
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-        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.72:kotlin-stdlib-jdk8-1.3.72.jar:133da70cfc07b56094282eac5c59bccd59f167ee2ead22e5282876d8bc10bf95',
-        'org.jetbrains.kotlin:kotlin-stdlib:1.3.72:kotlin-stdlib-1.3.72.jar:3856a7349ebacd6d1be6802b2fed9c4dc2c5a564ea92b6b945ac988243d4b16b',
+        'org.jetbrains.kotlin:kotlin-reflect:1.3.50:kotlin-reflect-1.3.50.jar:64583199ea5a54aefd1bd1595288925f784226ee562d1dd279011c6075b3d7a4',
+        'org.jetbrains.kotlin:kotlin-stdlib-common:1.3.50:kotlin-stdlib-common-1.3.50.jar:8ce678e88e4ba018b66dacecf952471e4d7dfee156a8a819760a5a5ff29d323c',
+        'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.50:kotlin-stdlib-jdk7-1.3.50.jar:9a026639e76212f8d57b86d55b075394c2e009f1979110751d34c05c5f75d57b',
+        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.50:kotlin-stdlib-jdk8-1.3.50.jar:1b351fb6e09c14b55525c74c1f4cf48942eae43c348b7bc764a5e6e423d4da0c',
+        'org.jetbrains.kotlin:kotlin-stdlib:1.3.50:kotlin-stdlib-1.3.50.jar:e6f05746ee0366d0b52825a090fac474dcf44082c9083bbb205bd16976488d6c',
         'org.jetbrains.trove4j:trove4j:20160824:trove4j-20160824.jar:1917871c8deb468307a584680c87a44572f5a8b0b98c6d397fc0f5f86596dbe7',
         'org.jetbrains:annotations:13.0:annotations-13.0.jar:ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478',
         'org.jmock:jmock-junit4:2.8.2:jmock-junit4-2.8.2.jar:f7ee4df4f7bd7b7f1cafad3b99eb74d579f109d5992ff625347352edb55e674c',
         'org.jmock:jmock-legacy:2.8.2:jmock-legacy-2.8.2.jar:f2b985a5c08a9edb7f37612330c058809da3f6a6d63ce792426ebf8ff0d6d31b',
         'org.jmock:jmock-testjar:2.8.2:jmock-testjar-2.8.2.jar:8900860f72c474e027cf97fe78dcbf154a1aa7fc62b6845c5fb4e4f3c7bc8760',
         'org.jmock:jmock:2.8.2:jmock-2.8.2.jar:6c73cb4a2e6dbfb61fd99c9a768539c170ab6568e57846bd60dbf19596b65b16',
-        'org.jvnet.staxex:stax-ex:1.8:stax-ex-1.8.jar:95b05d9590af4154c6513b9c5dc1fb2e55b539972ba0a9ef28e9a0c01d83ad77',
+        'org.jvnet.staxex:stax-ex:1.7.7:stax-ex-1.7.7.jar:a31ff7d77163c0deb09e7fee59ad35ae44c2cee2cc8552a116ccd1583d813fb4',
         'org.objenesis:objenesis:2.1:objenesis-2.1.jar:c74330cc6b806c804fd37e74487b4fe5d7c2750c5e15fbc6efa13bdee1bdef80',
-        'org.ow2.asm:asm-analysis:7.0:asm-analysis-7.0.jar:e981f8f650c4d900bb033650b18e122fa6b161eadd5f88978d08751f72ee8474',
-        'org.ow2.asm:asm-commons:7.0:asm-commons-7.0.jar:fed348ef05958e3e846a3ac074a12af5f7936ef3d21ce44a62c4fa08a771927d',
-        'org.ow2.asm:asm-tree:7.0:asm-tree-7.0.jar:cfd7a0874f9de36a999c127feeadfbfe6e04d4a71ee954d7af3d853f0be48a6c',
-        'org.ow2.asm:asm-util:7.0:asm-util-7.0.jar:75fbbca440ef463f41c2b0ab1a80abe67e910ac486da60a7863cbcb5bae7e145',
+        'org.ow2.asm:asm-analysis:6.0:asm-analysis-6.0.jar:2f1a6387219c3a6cc4856481f221b03bd9f2408a326d416af09af5d6f608c1f4',
+        'org.ow2.asm:asm-commons:6.0:asm-commons-6.0.jar:f1bce5c648a96a017bdcd01fe5d59af9845297fd7b79b81c015a6fbbd9719abf',
+        'org.ow2.asm:asm-tree:6.0:asm-tree-6.0.jar:887998fb69727c8759e4d253f856822801e33f9fd4caa566b3ac58ee92106215',
+        'org.ow2.asm:asm-util:6.0:asm-util-6.0.jar:356afebdb0f870175262e5188f8709a3b17aa2a5a6a4b0340b04d4b449bca5f6',
         'org.ow2.asm:asm:5.0.4:asm-5.0.4.jar:896618ed8ae62702521a78bc7be42b7c491a08e6920a15f89a3ecdec31e9a220',
-        'org.ow2.asm:asm:7.0:asm-7.0.jar:b88ef66468b3c978ad0c97fd6e90979e56155b4ac69089ba7a44e9aa7ffe9acf',
+        'org.ow2.asm:asm:6.0:asm-6.0.jar:dd8971c74a4e697899a8e95caae4ea8760ea6c486dc6b97b1795e75760420461',
     ]
 }

bramble-api/src/main/java/org/briarproject/bramble/api/FeatureFlags.java

@@ -6,7 +6,4 @@ package org.briarproject.bramble.api;
 public interface FeatureFlags {
 
 	boolean shouldEnableImageAttachments();
-
-	boolean shouldEnableProfilePictures();
-
 }

bramble-api/src/main/java/org/briarproject/bramble/api/contact/ContactManager.java

@@ -11,6 +11,7 @@ import org.briarproject.bramble.api.db.PendingContactExistsException;
 import org.briarproject.bramble.api.db.Transaction;
 import org.briarproject.bramble.api.identity.Author;
 import org.briarproject.bramble.api.identity.AuthorId;
+import org.briarproject.bramble.api.identity.AuthorInfo;
 import org.briarproject.bramble.api.lifecycle.LifecycleManager;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 
@@ -178,11 +179,6 @@ public interface ContactManager {
 	 */
 	Collection<Contact> getContacts() throws DbException;
 
-	/**
-	 * Returns all contacts.
-	 */
-	Collection<Contact> getContacts(Transaction txn) throws DbException;
-
 	/**
 	 * Removes a contact and all associated state.
 	 */
@@ -219,6 +215,16 @@ public interface ContactManager {
 	boolean contactExists(AuthorId remoteAuthorId, AuthorId localAuthorId)
 			throws DbException;
 
+	/**
+	 * Returns the {@link AuthorInfo} for the given author.
+	 */
+	AuthorInfo getAuthorInfo(AuthorId a) throws DbException;
+
+	/**
+	 * Returns the {@link AuthorInfo} for the given author.
+	 */
+	AuthorInfo getAuthorInfo(Transaction txn, AuthorId a) throws DbException;
+
 	interface ContactHook {
 
 		/**

bramble-api/src/main/java/org/briarproject/bramble/api/crypto/StreamDecrypterFactory.java

@@ -19,10 +19,4 @@ public interface StreamDecrypterFactory {
 	 */
 	StreamDecrypter createContactExchangeStreamDecrypter(InputStream in,
 			SecretKey headerKey);
-
-	/**
-	 * Creates a {@link StreamDecrypter} for decrypting a log stream.
-	 */
-	StreamDecrypter createLogStreamDecrypter(InputStream in,
-			SecretKey headerKey);
 }

bramble-api/src/main/java/org/briarproject/bramble/api/crypto/StreamEncrypterFactory.java

@@ -17,12 +17,6 @@ public interface StreamEncrypterFactory {
 	 * Creates a {@link StreamEncrypter} for encrypting a contact exchange
 	 * stream.
 	 */
-	StreamEncrypter createContactExchangeStreamEncrypter(OutputStream out,
-			SecretKey headerKey);
-
-	/**
-	 * Creates a {@link StreamEncrypter} for encrypting a log stream.
-	 */
-	StreamEncrypter createLogStreamEncrypter(OutputStream out,
+	StreamEncrypter createContactExchangeStreamDecrypter(OutputStream out,
 			SecretKey headerKey);
 }

bramble-api/src/main/java/org/briarproject/bramble/api/identity/AuthorInfo.java

@@ -1,8 +1,6 @@
-package org.briarproject.briar.api.identity;
+package org.briarproject.bramble.api.identity;
 
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-import org.briarproject.bramble.api.nullsafety.NullSafety;
-import org.briarproject.briar.api.attachment.AttachmentHeader;
 
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.Immutable;
@@ -22,18 +20,14 @@ public class AuthorInfo {
 	private final Status status;
 	@Nullable
 	private final String alias;
-	@Nullable
-	private final AttachmentHeader avatarHeader;
 
-	public AuthorInfo(Status status, @Nullable String alias,
-			@Nullable AttachmentHeader avatarHeader) {
+	public AuthorInfo(Status status, @Nullable String alias) {
 		this.status = status;
 		this.alias = alias;
-		this.avatarHeader = avatarHeader;
 	}
 
 	public AuthorInfo(Status status) {
-		this(status, null, null);
+		this(status, null);
 	}
 
 	public Status getStatus() {
@@ -45,11 +39,6 @@ public class AuthorInfo {
 		return alias;
 	}
 
-	@Nullable
-	public AttachmentHeader getAvatarHeader() {
-		return avatarHeader;
-	}
-
 	@Override
 	public int hashCode() {
 		int hashCode = status.ordinal();
@@ -62,9 +51,6 @@ public class AuthorInfo {
 		if (!(o instanceof AuthorInfo)) return false;
 		AuthorInfo info = (AuthorInfo) o;
 		return status == info.status &&
-				// aliases are equal
-				NullSafety.equals(alias, info.alias) &&
-				// avatars are equal
-				NullSafety.equals(avatarHeader, info.avatarHeader);
+				(alias == null ? info.alias == null : alias.equals(info.alias));
 	}
 }

bramble-api/src/main/java/org/briarproject/bramble/api/network/NetworkStatus.java

@@ -8,12 +8,11 @@ import javax.annotation.concurrent.Immutable;
 @NotNullByDefault
 public class NetworkStatus {
 
-	private final boolean connected, wifi, ipv6Only;
+	private final boolean connected, wifi;
 
-	public NetworkStatus(boolean connected, boolean wifi, boolean ipv6Only) {
+	public NetworkStatus(boolean connected, boolean wifi) {
 		this.connected = connected;
 		this.wifi = wifi;
-		this.ipv6Only = ipv6Only;
 	}
 
 	public boolean isConnected() {
@@ -23,8 +22,4 @@ public class NetworkStatus {
 	public boolean isWifi() {
 		return wifi;
 	}
-
-	public boolean isIpv6Only() {
-		return ipv6Only;
-	}
 }

bramble-api/src/main/java/org/briarproject/bramble/api/nullsafety/NullSafety.java

@@ -29,12 +29,4 @@ public class NullSafety {
 	public static void requireNull(@Nullable Object o) {
 		if (o != null) throw new AssertionError();
 	}
-
-	/**
-	 * Stand-in for {@code Objects.equals()}.
-	 */
-	public static boolean equals(@Nullable Object a, @Nullable Object b) {
-		return (a == b) || (a != null && a.equals(b));
-	}
-
 }

bramble-api/src/main/java/org/briarproject/bramble/api/reporting/DevConfig.java

@@ -13,6 +13,4 @@ public interface DevConfig {
 	String getDevOnionAddress();
 
 	File getReportDir();
-
-	File getLogcatFile();
 }

bramble-api/src/main/java/org/briarproject/bramble/api/reporting/DevReporter.java

@@ -23,8 +23,6 @@ public interface DevReporter {
 
 	/**
 	 * Sends any reports previously stored on disk.
-	 *
-	 * @return The number of reports that were sent.
 	 */
-	int sendReports();
+	void sendReports();
 }

bramble-api/src/main/java/org/briarproject/bramble/api/transport/StreamReaderFactory.java

@@ -16,13 +16,8 @@ public interface StreamReaderFactory {
 
 	/**
 	 * Creates an {@link InputStream InputStream} for reading from a contact
-	 * exchange stream.
+	 * exchangestream.
 	 */
 	InputStream createContactExchangeStreamReader(InputStream in,
 			SecretKey headerKey);
-
-	/**
-	 * Creates an {@link InputStream} for reading from a log stream.
-	 */
-	InputStream createLogStreamReader(InputStream in, SecretKey headerKey);
 }

bramble-api/src/main/java/org/briarproject/bramble/api/transport/StreamWriterFactory.java

@@ -7,19 +7,17 @@ import java.io.OutputStream;
 
 @NotNullByDefault
 public interface StreamWriterFactory {
+
 	/**
-	 * Creates a {@link StreamWriter} for writing to a transport stream.
+	 * Creates an {@link OutputStream OutputStream} for writing to a
+	 * transport stream
 	 */
 	StreamWriter createStreamWriter(OutputStream out, StreamContext ctx);
 
 	/**
-	 * Creates a {@link StreamWriter} for writing to a contact exchange stream.
+	 * Creates an {@link OutputStream OutputStream} for writing to a contact
+	 * exchange stream.
 	 */
 	StreamWriter createContactExchangeStreamWriter(OutputStream out,
 			SecretKey headerKey);
-
-	/**
-	 * Creates a {@link StreamWriter} for writing to a log stream.
-	 */
-	StreamWriter createLogStreamWriter(OutputStream out, SecretKey headerKey);
 }

bramble-api/src/test/java/org/briarproject/bramble/api/identity/AuthorInfoTest.java

@@ -0,0 +1,42 @@
+package org.briarproject.bramble.api.identity;
+
+import org.briarproject.bramble.test.BrambleTestCase;
+import org.junit.Test;
+
+import static org.briarproject.bramble.api.identity.AuthorInfo.Status.NONE;
+import static org.briarproject.bramble.api.identity.AuthorInfo.Status.VERIFIED;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+
+public class AuthorInfoTest extends BrambleTestCase {
+
+	@Test
+	public void testEquals() {
+		assertEquals(
+				new AuthorInfo(NONE),
+				new AuthorInfo(NONE, null)
+		);
+		assertEquals(
+				new AuthorInfo(NONE, "test"),
+				new AuthorInfo(NONE, "test")
+		);
+
+		assertNotEquals(
+				new AuthorInfo(NONE),
+				new AuthorInfo(VERIFIED)
+		);
+		assertNotEquals(
+				new AuthorInfo(NONE, "test"),
+				new AuthorInfo(NONE)
+		);
+		assertNotEquals(
+				new AuthorInfo(NONE),
+				new AuthorInfo(NONE, "test")
+		);
+		assertNotEquals(
+				new AuthorInfo(NONE, "a"),
+				new AuthorInfo(NONE, "b")
+		);
+	}
+
+}

bramble-core/src/main/java/org/briarproject/bramble/contact/ContactManagerImpl.java

@@ -20,7 +20,9 @@ import org.briarproject.bramble.api.event.Event;
 import org.briarproject.bramble.api.event.EventListener;
 import org.briarproject.bramble.api.identity.Author;
 import org.briarproject.bramble.api.identity.AuthorId;
+import org.briarproject.bramble.api.identity.AuthorInfo;
 import org.briarproject.bramble.api.identity.IdentityManager;
+import org.briarproject.bramble.api.identity.LocalAuthor;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.transport.KeyManager;
 
@@ -38,6 +40,10 @@ import javax.inject.Inject;
 
 import static org.briarproject.bramble.api.contact.PendingContactState.WAITING_FOR_CONNECTION;
 import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_AUTHOR_NAME_LENGTH;
+import static org.briarproject.bramble.api.identity.AuthorInfo.Status.OURSELVES;
+import static org.briarproject.bramble.api.identity.AuthorInfo.Status.UNKNOWN;
+import static org.briarproject.bramble.api.identity.AuthorInfo.Status.UNVERIFIED;
+import static org.briarproject.bramble.api.identity.AuthorInfo.Status.VERIFIED;
 import static org.briarproject.bramble.util.StringUtils.toUtf8;
 
 @ThreadSafe
@@ -207,11 +213,6 @@ class ContactManagerImpl implements ContactManager, EventListener {
 		return db.transactionWithResult(true, db::getContacts);
 	}
 
-	@Override
-	public Collection<Contact> getContacts(Transaction txn) throws DbException {
-		return db.getContacts(txn);
-	}
-
 	@Override
 	public void removeContact(ContactId c) throws DbException {
 		db.transaction(false, txn -> removeContact(txn, c));
@@ -255,6 +256,25 @@ class ContactManagerImpl implements ContactManager, EventListener {
 		db.removeContact(txn, c);
 	}
 
+	@Override
+	public AuthorInfo getAuthorInfo(AuthorId a) throws DbException {
+		return db.transactionWithResult(true, txn -> getAuthorInfo(txn, a));
+	}
+
+	@Override
+	public AuthorInfo getAuthorInfo(Transaction txn, AuthorId authorId)
+			throws DbException {
+		LocalAuthor localAuthor = identityManager.getLocalAuthor(txn);
+		if (localAuthor.getId().equals(authorId))
+			return new AuthorInfo(OURSELVES);
+		Collection<Contact> contacts = db.getContactsByAuthorId(txn, authorId);
+		if (contacts.isEmpty()) return new AuthorInfo(UNKNOWN);
+		if (contacts.size() > 1) throw new AssertionError();
+		Contact c = contacts.iterator().next();
+		if (c.isVerified()) return new AuthorInfo(VERIFIED, c.getAlias());
+		else return new AuthorInfo(UNVERIFIED, c.getAlias());
+	}
+
 	@Override
 	public void eventOccurred(Event e) {
 		if (e instanceof PendingContactStateChangedEvent) {

bramble-core/src/main/java/org/briarproject/bramble/contact/PendingContactFactoryImpl.java

@@ -11,7 +11,6 @@ import org.briarproject.bramble.api.system.Clock;
 import org.briarproject.bramble.util.Base32;
 
 import java.security.GeneralSecurityException;
-import java.util.Locale;
 import java.util.regex.Matcher;
 
 import javax.inject.Inject;
@@ -53,7 +52,7 @@ class PendingContactFactoryImpl implements PendingContactFactory {
 		byte[] raw = new byte[RAW_LINK_BYTES];
 		raw[0] = FORMAT_VERSION;
 		arraycopy(encoded, 0, raw, 1, encoded.length);
-		return "briar://" + Base32.encode(raw).toLowerCase(Locale.US);
+		return "briar://" + Base32.encode(raw).toLowerCase();
 	}
 
 	private PublicKey parseHandshakeLink(String link) throws FormatException {

bramble-core/src/main/java/org/briarproject/bramble/crypto/ScryptKdf.java

@@ -9,16 +9,14 @@ import java.util.logging.Logger;
 
 import javax.inject.Inject;
 
-import static java.lang.Math.min;
 import static java.util.logging.Level.INFO;
-import static java.util.logging.Logger.getLogger;
 import static org.briarproject.bramble.util.LogUtils.logDuration;
 import static org.briarproject.bramble.util.LogUtils.now;
 
 class ScryptKdf implements PasswordBasedKdf {
 
 	private static final Logger LOG =
-			getLogger(ScryptKdf.class.getName());
+			Logger.getLogger(ScryptKdf.class.getName());
 
 	private static final int MIN_COST = 256; // Min parameter N
 	private static final int MAX_COST = 1024 * 1024; // Max parameter N
@@ -35,20 +33,10 @@ class ScryptKdf implements PasswordBasedKdf {
 
 	@Override
 	public int chooseCostParameter() {
-		// Scrypt uses at least 128 * N * r bytes of memory. Don't use more
-		// than half of the JVM's max heap size or we may run out of memory.
-		// https://blog.filippo.io/the-scrypt-parameters/
-		long maxMemory = Runtime.getRuntime().maxMemory();
-		long maxCost = min(MAX_COST, maxMemory / BLOCK_SIZE / 256);
-		if (LOG.isLoggable(INFO) && maxCost < MAX_COST) {
-			LOG.info("Max cost capped at " + maxCost
-					+ " due to max heap size " + maxMemory);
-		}
 		// Increase the cost from min to max while measuring performance
 		int cost = MIN_COST;
-		while (cost * 2 <= maxCost && measureDuration(cost) * 2 <= TARGET_MS) {
+		while (cost * 2 <= MAX_COST && measureDuration(cost) * 2 <= TARGET_MS)
 			cost *= 2;
-		}
 		if (LOG.isLoggable(INFO))
 			LOG.info("KDF cost parameter " + cost);
 		return cost;

bramble-core/src/main/java/org/briarproject/bramble/crypto/StreamDecrypterFactoryImpl.java

@@ -36,10 +36,4 @@ class StreamDecrypterFactoryImpl implements StreamDecrypterFactory {
 			SecretKey headerKey) {
 		return new StreamDecrypterImpl(in, cipherProvider.get(), 0, headerKey);
 	}
-
-	@Override
-	public StreamDecrypter createLogStreamDecrypter(InputStream in,
-			SecretKey headerKey) {
-		return createContactExchangeStreamDecrypter(in, headerKey);
-	}
 }

bramble-core/src/main/java/org/briarproject/bramble/crypto/StreamEncrypterFactoryImpl.java

@@ -51,7 +51,7 @@ class StreamEncrypterFactoryImpl implements StreamEncrypterFactory {
 	}
 
 	@Override
-	public StreamEncrypter createContactExchangeStreamEncrypter(
+	public StreamEncrypter createContactExchangeStreamDecrypter(
 			OutputStream out, SecretKey headerKey) {
 		AuthenticatedCipher cipher = cipherProvider.get();
 		byte[] streamHeaderNonce = new byte[STREAM_HEADER_NONCE_LENGTH];
@@ -60,10 +60,4 @@ class StreamEncrypterFactoryImpl implements StreamEncrypterFactory {
 		return new StreamEncrypterImpl(out, cipher, 0, null, streamHeaderNonce,
 				headerKey, frameKey);
 	}
-
-	@Override
-	public StreamEncrypter createLogStreamEncrypter(OutputStream out,
-			SecretKey headerKey) {
-		return createContactExchangeStreamEncrypter(out, headerKey);
-	}
 }

bramble-core/src/main/java/org/briarproject/bramble/keyagreement/KeyAgreementConnector.java

@@ -1,6 +1,5 @@
 package org.briarproject.bramble.keyagreement;
 
-import org.briarproject.bramble.api.Pair;
 import org.briarproject.bramble.api.crypto.KeyAgreementCrypto;
 import org.briarproject.bramble.api.crypto.KeyPair;
 import org.briarproject.bramble.api.data.BdfList;
@@ -9,8 +8,6 @@ import org.briarproject.bramble.api.keyagreement.KeyAgreementListener;
 import org.briarproject.bramble.api.keyagreement.Payload;
 import org.briarproject.bramble.api.keyagreement.TransportDescriptor;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-import org.briarproject.bramble.api.plugin.BluetoothConstants;
-import org.briarproject.bramble.api.plugin.LanTcpConstants;
 import org.briarproject.bramble.api.plugin.Plugin;
 import org.briarproject.bramble.api.plugin.PluginManager;
 import org.briarproject.bramble.api.plugin.TransportId;
@@ -22,9 +19,7 @@ import org.briarproject.bramble.api.record.RecordWriterFactory;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 import java.util.concurrent.Callable;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.CountDownLatch;
@@ -33,10 +28,8 @@ import java.util.logging.Logger;
 
 import javax.annotation.Nullable;
 
-import static java.util.Arrays.asList;
 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.api.keyagreement.KeyAgreementConstants.CONNECTION_TIMEOUT;
 import static org.briarproject.bramble.util.LogUtils.logException;
 
@@ -48,10 +41,7 @@ class KeyAgreementConnector {
 	}
 
 	private static final Logger LOG =
-			getLogger(KeyAgreementConnector.class.getName());
-
-	private static final List<TransportId> PREFERRED_TRANSPORTS =
-			asList(BluetoothConstants.ID, LanTcpConstants.ID);
+			Logger.getLogger(KeyAgreementConnector.class.getName());
 
 	private final Callbacks callbacks;
 	private final KeyAgreementCrypto keyAgreementCrypto;
@@ -115,35 +105,24 @@ class KeyAgreementConnector {
 		this.alice = alice;
 		aliceLatch.countDown();
 
-		// Start connecting over supported transports in order of preference
+		// Start connecting over supported transports
 		if (LOG.isLoggable(INFO)) {
 			LOG.info("Starting outgoing BQP connections as "
 					+ (alice ? "Alice" : "Bob"));
 		}
-		Map<TransportId, TransportDescriptor> descriptors = new HashMap<>();
 		for (TransportDescriptor d : remotePayload.getTransportDescriptors()) {
-			descriptors.put(d.getId(), d);
-		}
-		List<Pair<DuplexPlugin, BdfList>> transports = new ArrayList<>();
-		for (TransportId id : PREFERRED_TRANSPORTS) {
-			TransportDescriptor d = descriptors.get(id);
-			Plugin p = pluginManager.getPlugin(id);
-			if (d != null && p instanceof DuplexPlugin) {
+			Plugin p = pluginManager.getPlugin(d.getId());
+			if (p instanceof DuplexPlugin) {
 				if (LOG.isLoggable(INFO))
-					LOG.info("Connecting via " + id);
-				transports.add(new Pair<>((DuplexPlugin) p, d.getDescriptor()));
+					LOG.info("Connecting via " + d.getId());
+				DuplexPlugin plugin = (DuplexPlugin) p;
+				byte[] commitment = remotePayload.getCommitment();
+				BdfList descriptor = d.getDescriptor();
+				connectionChooser.submit(new ReadableTask(
+						new ConnectorTask(plugin, commitment, descriptor)));
 			}
 		}
 
-		// TODO: If we don't have any transports in common with the peer,
-		//  warn the user and give up (#1224)
-
-		if (!transports.isEmpty()) {
-			byte[] commitment = remotePayload.getCommitment();
-			connectionChooser.submit(new ReadableTask(new ConnectorTask(
-					transports, commitment)));
-		}
-
 		// Get chosen connection
 		try {
 			KeyAgreementConnection chosen =
@@ -169,13 +148,15 @@ class KeyAgreementConnector {
 
 	private class ConnectorTask implements Callable<KeyAgreementConnection> {
 
-		private final List<Pair<DuplexPlugin, BdfList>> transports;
 		private final byte[] commitment;
+		private final BdfList descriptor;
+		private final DuplexPlugin plugin;
 
-		private ConnectorTask(List<Pair<DuplexPlugin, BdfList>> transports,
-				byte[] commitment) {
-			this.transports = transports;
+		private ConnectorTask(DuplexPlugin plugin, byte[] commitment,
+				BdfList descriptor) {
+			this.plugin = plugin;
 			this.commitment = commitment;
+			this.descriptor = descriptor;
 		}
 
 		@Nullable
@@ -183,18 +164,13 @@ class KeyAgreementConnector {
 		public KeyAgreementConnection call() throws Exception {
 			// Repeat attempts until we connect, get stopped, or get interrupted
 			while (!stopped) {
-				for (Pair<DuplexPlugin, BdfList> pair : transports) {
-					if (stopped) return null;
-					DuplexPlugin plugin = pair.getFirst();
-					BdfList descriptor = pair.getSecond();
-					DuplexTransportConnection conn =
-							plugin.createKeyAgreementConnection(commitment,
-									descriptor);
-					if (conn != null) {
-						if (LOG.isLoggable(INFO))
-							LOG.info(plugin.getId() + ": Outgoing connection");
-						return new KeyAgreementConnection(conn, plugin.getId());
-					}
+				DuplexTransportConnection conn =
+						plugin.createKeyAgreementConnection(commitment,
+								descriptor);
+				if (conn != null) {
+					if (LOG.isLoggable(INFO))
+						LOG.info(plugin.getId() + ": Outgoing connection");
+					return new KeyAgreementConnection(conn, plugin.getId());
 				}
 				// Wait 2s before retry (to circumvent transient failures)
 				Thread.sleep(2000);

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

@@ -436,10 +436,8 @@ abstract class BluetoothPlugin<S, SS> implements DuplexPlugin, EventListener {
 		String uuid = UUID.nameUUIDFromBytes(commitment).toString();
 		DuplexTransportConnection conn;
 		if (descriptor.size() == 1) {
-			if (LOG.isLoggable(INFO)) {
-				LOG.info("Discovering address for key agreement UUID " +
-						uuid);
-			}
+			if (LOG.isLoggable(INFO))
+				LOG.info("Discovering address for key agreement UUID " + uuid);
 			conn = discoverAndConnect(uuid);
 		} else {
 			String address;

bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorPlugin.java

@@ -132,7 +132,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 	private final CircumventionProvider circumventionProvider;
 	private final ResourceProvider resourceProvider;
 	private final int maxLatency, maxIdleTime, socketTimeout;
-	private final File torDirectory, geoIpFile, configFile;
+	private final File torDirectory, torFile, geoIpFile, obfs4File, configFile;
 	private final File doneFile, cookieFile;
 	private final AtomicBoolean used = new AtomicBoolean(false);
 
@@ -181,7 +181,9 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			socketTimeout = Integer.MAX_VALUE;
 		else socketTimeout = maxIdleTime * 2;
 		this.torDirectory = torDirectory;
+		torFile = new File(torDirectory, "tor");
 		geoIpFile = new File(torDirectory, "geoip");
+		obfs4File = new File(torDirectory, "obfs4proxy");
 		configFile = new File(torDirectory, "torrc");
 		doneFile = new File(torDirectory, "done");
 		cookieFile = new File(torDirectory, ".tor/control_auth_cookie");
@@ -190,14 +192,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 				new PoliteExecutor("TorPlugin", ioExecutor, 1);
 	}
 
-	protected File getTorExecutableFile() {
-		return new File(torDirectory, "tor");
-	}
-
-	protected File getObfs4ExecutableFile() {
-		return new File(torDirectory, "obfs4proxy");
-	}
-
 	@Override
 	public TransportId getId() {
 		return TorConstants.ID;
@@ -230,7 +224,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			LOG.warning("Old auth cookie not deleted");
 		// Start a new Tor process
 		LOG.info("Starting Tor");
-		File torFile = getTorExecutableFile();
 		String torPath = torFile.getAbsolutePath();
 		String configPath = configFile.getAbsolutePath();
 		String pid = String.valueOf(getProcessId());
@@ -329,43 +322,44 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 	}
 
 	private void installAssets() throws PluginException {
+		InputStream in = null;
+		OutputStream out = null;
 		try {
 			// The done file may already exist from a previous installation
 			//noinspection ResultOfMethodCallIgnored
 			doneFile.delete();
-			installTorExecutable();
-			installObfs4Executable();
-			extract(getGeoIpInputStream(), geoIpFile);
-			extract(getConfigInputStream(), configFile);
+			// Unzip the Tor binary to the filesystem
+			in = getTorInputStream();
+			out = new FileOutputStream(torFile);
+			copyAndClose(in, out);
+			// Make the Tor binary executable
+			if (!torFile.setExecutable(true, true)) throw new IOException();
+			// Unzip the GeoIP database to the filesystem
+			in = getGeoIpInputStream();
+			out = new FileOutputStream(geoIpFile);
+			copyAndClose(in, out);
+			// Unzip the Obfs4 proxy to the filesystem
+			in = getObfs4InputStream();
+			out = new FileOutputStream(obfs4File);
+			copyAndClose(in, out);
+			// Make the Obfs4 proxy executable
+			if (!obfs4File.setExecutable(true, true)) throw new IOException();
+			// Copy the config file to the filesystem
+			in = getConfigInputStream();
+			out = new FileOutputStream(configFile);
+			copyAndClose(in, out);
 			if (!doneFile.createNewFile())
 				LOG.warning("Failed to create done file");
 		} catch (IOException e) {
+			tryToClose(in, LOG, WARNING);
+			tryToClose(out, LOG, WARNING);
 			throw new PluginException(e);
 		}
 	}
 
-	protected void extract(InputStream in, File dest) throws IOException {
-		OutputStream out = new FileOutputStream(dest);
-		copyAndClose(in, out);
-	}
-
-	protected void installTorExecutable() throws IOException {
+	private InputStream getTorInputStream() throws IOException {
 		if (LOG.isLoggable(INFO))
 			LOG.info("Installing Tor binary for " + architecture);
-		File torFile = getTorExecutableFile();
-		extract(getTorInputStream(), torFile);
-		if (!torFile.setExecutable(true, true)) throw new IOException();
-	}
-
-	protected void installObfs4Executable() throws IOException {
-		if (LOG.isLoggable(INFO))
-			LOG.info("Installing obfs4proxy binary for " + architecture);
-		File obfs4File = getObfs4ExecutableFile();
-		extract(getObfs4InputStream(), obfs4File);
-		if (!obfs4File.setExecutable(true, true)) throw new IOException();
-	}
-
-	private InputStream getTorInputStream() throws IOException {
 		InputStream in = resourceProvider
 				.getResourceInputStream("tor_" + architecture, ".zip");
 		ZipInputStream zin = new ZipInputStream(in);
@@ -382,6 +376,8 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 	}
 
 	private InputStream getObfs4InputStream() throws IOException {
+		if (LOG.isLoggable(INFO))
+			LOG.info("Installing obfs4proxy binary for " + architecture);
 		InputStream in = resourceProvider
 				.getResourceInputStream("obfs4proxy_" + architecture, ".zip");
 		ZipInputStream zin = new ZipInputStream(in);
@@ -573,7 +569,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		if (enable) {
 			Collection<String> conf = new ArrayList<>();
 			conf.add("UseBridges 1");
-			File obfs4File = getObfs4ExecutableFile();
 			if (needsMeek) {
 				conf.add("ClientTransportPlugin meek_lite exec " +
 						obfs4File.getAbsolutePath());
@@ -863,7 +858,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			if (!state.isTorRunning()) return;
 			boolean online = status.isConnected();
 			boolean wifi = status.isWifi();
-			boolean ipv6Only = status.isIpv6Only();
 			String country = locationUtils.getCurrentCountry();
 			boolean blocked =
 					circumventionProvider.isTorProbablyBlocked(country);
@@ -880,8 +874,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			boolean automatic = network == PREF_TOR_NETWORK_AUTOMATIC;
 
 			if (LOG.isLoggable(INFO)) {
-				LOG.info("Online: " + online + ", wifi: " + wifi
-						+ ", IPv6 only: " + ipv6Only);
+				LOG.info("Online: " + online + ", wifi: " + wifi);
 				if (country.isEmpty()) LOG.info("Country code unknown");
 				else LOG.info("Country code: " + country);
 				LOG.info("Charging: " + charging);
@@ -918,8 +911,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 					enableNetwork = true;
 					if (network == PREF_TOR_NETWORK_WITH_BRIDGES ||
 							(automatic && bridgesWork)) {
-						if (ipv6Only ||
-								circumventionProvider.needsMeek(country)) {
+						if (circumventionProvider.needsMeek(country)) {
 							LOG.info("Using meek bridges");
 							enableBridges = true;
 							useMeek = true;
@@ -945,7 +937,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 				if (enableNetwork) {
 					enableBridges(enableBridges, useMeek);
 					enableConnectionPadding(enableConnectionPadding);
-					useIpv6(ipv6Only);
 				}
 				enableNetwork(enableNetwork);
 			} catch (IOException e) {
@@ -958,11 +949,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		controlConnection.setConf("ConnectionPadding", enable ? "1" : "0");
 	}
 
-	private void useIpv6(boolean ipv6Only) throws IOException {
-		controlConnection.setConf("ClientUseIPv4", ipv6Only ? "0" : "1");
-		controlConnection.setConf("ClientUseIPv6", ipv6Only ? "1" : "0");
-	}
-
 	@ThreadSafe
 	@NotNullByDefault
 	protected class PluginState {

bramble-core/src/main/java/org/briarproject/bramble/properties/TransportPropertyValidator.java

@@ -15,9 +15,6 @@ import org.briarproject.bramble.api.system.Clock;
 import javax.annotation.concurrent.Immutable;
 
 import static org.briarproject.bramble.api.plugin.TransportId.MAX_TRANSPORT_ID_LENGTH;
-import static org.briarproject.bramble.api.properties.TransportPropertyConstants.MSG_KEY_LOCAL;
-import static org.briarproject.bramble.api.properties.TransportPropertyConstants.MSG_KEY_TRANSPORT_ID;
-import static org.briarproject.bramble.api.properties.TransportPropertyConstants.MSG_KEY_VERSION;
 import static org.briarproject.bramble.util.ValidationUtils.checkLength;
 import static org.briarproject.bramble.util.ValidationUtils.checkSize;
 
@@ -46,9 +43,9 @@ class TransportPropertyValidator extends BdfMessageValidator {
 		clientHelper.parseAndValidateTransportProperties(dictionary);
 		// Return the metadata
 		BdfDictionary meta = new BdfDictionary();
-		meta.put(MSG_KEY_TRANSPORT_ID, transportId);
-		meta.put(MSG_KEY_VERSION, version);
-		meta.put(MSG_KEY_LOCAL, false);
+		meta.put("transportId", transportId);
+		meta.put("version", version);
+		meta.put("local", false);
 		return new BdfMessageContext(meta);
 	}
 }

bramble-core/src/main/java/org/briarproject/bramble/reporting/DevReporterImpl.java

@@ -29,7 +29,6 @@ import javax.annotation.concurrent.Immutable;
 import javax.inject.Inject;
 import javax.net.SocketFactory;
 
-import static java.util.logging.Level.INFO;
 import static java.util.logging.Level.WARNING;
 import static org.briarproject.bramble.util.IoUtils.tryToClose;
 
@@ -101,12 +100,11 @@ class DevReporterImpl implements DevReporter, EventListener {
 	}
 
 	@Override
-	public int sendReports() {
+	public void sendReports() {
 		File reportDir = devConfig.getReportDir();
 		File[] reports = reportDir.listFiles();
-		int reportsSent = 0;
 		if (reports == null || reports.length == 0)
-			return reportsSent; // No reports to send
+			return; // No reports to send
 
 		LOG.info("Sending reports to developers");
 		for (File f : reports) {
@@ -118,15 +116,13 @@ class DevReporterImpl implements DevReporter, EventListener {
 				in = new FileInputStream(f);
 				IoUtils.copyAndClose(in, out);
 				f.delete();
-				reportsSent++;
 			} catch (IOException e) {
 				LOG.log(WARNING, "Failed to send reports", e);
 				tryToClose(out, LOG, WARNING);
 				tryToClose(in, LOG, WARNING);
-				return reportsSent;
+				return;
 			}
 		}
-		if (LOG.isLoggable(INFO)) LOG.info(reportsSent + " report(s) sent");
-		return reportsSent;
+		LOG.info("Reports sent");
 	}
 }

bramble-core/src/main/java/org/briarproject/bramble/sync/validation/ValidationManagerImpl.java

@@ -35,6 +35,7 @@ import java.util.concurrent.Executor;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.logging.Logger;
 
+import javax.annotation.Nullable;
 import javax.annotation.concurrent.ThreadSafe;
 import javax.inject.Inject;
 
@@ -124,8 +125,7 @@ class ValidationManagerImpl implements ValidationManager, Service,
 				Group g = db.getGroup(txn, m.getGroupId());
 				return new Pair<>(m, g);
 			});
-			validateMessageAsync(mg.getFirst(), mg.getSecond());
-			validateNextMessageAsync(unvalidated);
+			validateMessageAsync(mg.getFirst(), mg.getSecond(), unvalidated);
 		} catch (NoSuchMessageException e) {
 			LOG.info("Message removed before validation");
 			validateNextMessageAsync(unvalidated);
@@ -213,12 +213,14 @@ class ValidationManagerImpl implements ValidationManager, Service,
 		}
 	}
 
-	private void validateMessageAsync(Message m, Group g) {
-		validationExecutor.execute(() -> validateMessage(m, g));
+	private void validateMessageAsync(Message m, Group g,
+			@Nullable Queue<MessageId> unvalidated) {
+		validationExecutor.execute(() -> validateMessage(m, g, unvalidated));
 	}
 
 	@ValidationExecutor
-	private void validateMessage(Message m, Group g) {
+	private void validateMessage(Message m, Group g,
+			@Nullable Queue<MessageId> unvalidated) {
 		ClientMajorVersion cv =
 				new ClientMajorVersion(g.getClientId(), g.getMajorVersion());
 		MessageValidator v = validators.get(cv);
@@ -234,6 +236,8 @@ class ValidationManagerImpl implements ValidationManager, Service,
 				Queue<MessageId> invalidate = new LinkedList<>();
 				invalidate.add(m.getId());
 				invalidateNextMessageAsync(invalidate);
+			} finally {
+				if (unvalidated != null) validateNextMessageAsync(unvalidated);
 			}
 		}
 	}
@@ -440,7 +444,7 @@ class ValidationManagerImpl implements ValidationManager, Service,
 		try {
 			Group g = db.transactionWithResult(true, txn ->
 					db.getGroup(txn, m.getGroupId()));
-			validateMessageAsync(m, g);
+			validateMessageAsync(m, g, null);
 		} catch (NoSuchGroupException e) {
 			LOG.info("Group removed before validation");
 		} catch (DbException e) {

bramble-core/src/main/java/org/briarproject/bramble/transport/StreamReaderFactoryImpl.java

@@ -24,21 +24,15 @@ class StreamReaderFactoryImpl implements StreamReaderFactory {
 
 	@Override
 	public InputStream createStreamReader(InputStream in, StreamContext ctx) {
-		return new StreamReaderImpl(streamDecrypterFactory
-				.createStreamDecrypter(in, ctx));
+		return new StreamReaderImpl(
+				streamDecrypterFactory.createStreamDecrypter(in, ctx));
 	}
 
 	@Override
 	public InputStream createContactExchangeStreamReader(InputStream in,
 			SecretKey headerKey) {
-		return new StreamReaderImpl(streamDecrypterFactory
-				.createContactExchangeStreamDecrypter(in, headerKey));
-	}
-
-	@Override
-	public InputStream createLogStreamReader(InputStream in,
-			SecretKey headerKey) {
-		return new StreamReaderImpl(streamDecrypterFactory
-				.createLogStreamDecrypter(in, headerKey));
+		return new StreamReaderImpl(
+				streamDecrypterFactory.createContactExchangeStreamDecrypter(in,
+						headerKey));
 	}
 }

bramble-core/src/main/java/org/briarproject/bramble/transport/StreamWriterFactoryImpl.java

@@ -26,21 +26,15 @@ class StreamWriterFactoryImpl implements StreamWriterFactory {
 	@Override
 	public StreamWriter createStreamWriter(OutputStream out,
 			StreamContext ctx) {
-		return new StreamWriterImpl(streamEncrypterFactory
-				.createStreamEncrypter(out, ctx));
+		return new StreamWriterImpl(
+				streamEncrypterFactory.createStreamEncrypter(out, ctx));
 	}
 
 	@Override
 	public StreamWriter createContactExchangeStreamWriter(OutputStream out,
 			SecretKey headerKey) {
-		return new StreamWriterImpl(streamEncrypterFactory
-				.createContactExchangeStreamEncrypter(out, headerKey));
+		return new StreamWriterImpl(
+				streamEncrypterFactory.createContactExchangeStreamDecrypter(out,
+						headerKey));
 	}
-
-	@Override
-	public StreamWriter createLogStreamWriter(OutputStream out,
-			SecretKey headerKey) {
-		return new StreamWriterImpl(streamEncrypterFactory
-				.createLogStreamEncrypter(out, headerKey));
-	}
-}
+}

bramble-core/src/main/resources/bridges

@@ -1,13 +1,5 @@
-Bridge obfs4 192.95.36.142:443 CDF2E852BF539B82BD10E27E9115A31734E378C2 cert=qUVQ0srL1JI/vO6V6m/24anYXiJD3QP2HgzUKQtQ7GRqqUvs7P+tG43RtAqdhLOALP7DJQ iat-mode=1
-Bridge obfs4 38.229.1.78:80 C8CBDB2464FC9804A69531437BCF2BE31FDD2EE4 cert=Hmyfd2ev46gGY7NoVxA9ngrPF2zCZtzskRTzoWXbxNkzeVnGFPWmrTtILRyqCTjHR+s9dg iat-mode=1
-Bridge obfs4 37.218.245.14:38224 D9A82D2F9C2F65A18407B1D2B764F130847F8B5D cert=bjRaMrr1BRiAW8IE9U5z27fQaYgOhX1UCmOpg2pFpoMvo6ZgQMzLsaTzzQNTlm7hNcb+Sg iat-mode=0
-Bridge obfs4 85.31.186.98:443 011F2599C0E9B27EE74B353155E244813763C3E5 cert=ayq0XzCwhpdysn5o0EyDUbmSOx3X/oTEbzDMvczHOdBJKlvIdHHLJGkZARtT4dcBFArPPg iat-mode=0
-Bridge obfs4 144.217.20.138:80 FB70B257C162BF1038CA669D568D76F5B7F0BABB cert=vYIV5MgrghGQvZPIi1tJwnzorMgqgmlKaB77Y3Z9Q/v94wZBOAXkW+fdx4aSxLVnKO+xNw iat-mode=0
-Bridge obfs4 193.11.166.194:27015 2D82C2E354D531A68469ADF7F878FA6060C6BACA cert=4TLQPJrTSaDffMK7Nbao6LC7G9OW/NHkUwIdjLSS3KYf0Nv4/nQiiI8dY2TcsQx01NniOg iat-mode=0
-Bridge obfs4 193.11.166.194:27020 86AC7B8D430DAC4117E9F42C9EAED18133863AAF cert=0LDeJH4JzMDtkJJrFphJCiPqKx7loozKN7VNfuukMGfHO0Z8OGdzHVkhVAOfo1mUdv9cMg iat-mode=0
-Bridge obfs4 193.11.166.194:27025 1AE2C08904527FEA90C4C4F8C1083EA59FBC6FAF cert=ItvYZzW5tn6v3G4UnQa6Qz04Npro6e81AP70YujmK/KXwDFPTs3aHXcHp4n8Vt6w/bv8cA iat-mode=0
-Bridge obfs4 209.148.46.65:443 74FAD13168806246602538555B5521A0383A1875 cert=ssH+9rP8dG2NLDN2XuFw63hIO/9MNNinLmxQDpVa+7kTOa9/m+tGWT1SmSYpQ9uTBGa6Hw iat-mode=0
-Bridge obfs4 45.145.95.6:27015 C5B7CD6946FF10C5B3E89691A7D3F2C122D2117C cert=TD7PbUO0/0k6xYHMPW3vJxICfkMZNdkRrb63Zhl5j9dW3iRGiCx0A7mPhe5T2EDzQ35+Zw iat-mode=0
-Bridge obfs4 51.222.13.177:80 5EDAC3B810E12B01F6FD8050D2FD3E277B289A08 cert=2uplIpLQ0q9+0qMFrK5pkaYRDOe460LL9WHBvatgkuRr/SL31wBOEupaMMJ6koRE6Ld0ew iat-mode=0
 Bridge obfs4 78.46.188.239:37356 5A2D2F4158D0453E00C7C176978D3F41D69C45DB cert=3c0SwxpOisbohNxEc4tb875RVW8eOu1opRTVXJhafaKA/PNNtI7ElQIVOVZg1AdL5bxGCw iat-mode=0
-Bridge meek_lite 192.0.2.2:2 97700DFE9F483596DDA6264C4D7DF7641E1E39CE url=https://meek.azureedge.net/ front=ajax.aspnetcdn.com
+Bridge obfs4 52.15.78.72:9443 02069A3C5362476936B62BA6F5ACC41ABD573A9B cert=ijYG/OKc7kqu2YzKNFfeXN7/BG2BOgfEP2KyYEiGDQthnHbsOiTWHeIG0WJVW+BckzDgKw iat-mode=0
+Bridge obfs4 13.58.29.242:9443 0C58939A77DA6B6B29D4B5236A75865659607AE0 cert=OylWIEHb/ezpq1zWxW0sgKRn+9ARH2eOcQOZ8/Gew+4l+oKOhQ2jUX/Y+FSl61JorXZUWA iat-mode=0
+Bridge obfs4 45.33.37.112:9443 60A609BB4ABE8D46E634AE81ED29ADAB7776B399 cert=t5v19WmNv5Sc2YPNr8RQids365W7MY8zJwQVkOxBjUMFomMWARDzsbYpcWLLcw0J9Gm+BQ iat-mode=0
+Bridge meek_lite 0.0.2.0:2 97700DFE9F483596DDA6264C4D7DF7641E1E39CE url=https://meek.azureedge.net/ front=ajax.aspnetcdn.com

bramble-core/src/test/java/org/briarproject/bramble/contact/ContactManagerImplTest.java

@@ -8,15 +8,18 @@ import org.briarproject.bramble.api.contact.PendingContactState;
 import org.briarproject.bramble.api.crypto.KeyPair;
 import org.briarproject.bramble.api.crypto.SecretKey;
 import org.briarproject.bramble.api.db.DatabaseComponent;
+import org.briarproject.bramble.api.db.DbException;
 import org.briarproject.bramble.api.db.NoSuchContactException;
 import org.briarproject.bramble.api.db.Transaction;
 import org.briarproject.bramble.api.identity.Author;
 import org.briarproject.bramble.api.identity.AuthorId;
+import org.briarproject.bramble.api.identity.AuthorInfo;
 import org.briarproject.bramble.api.identity.IdentityManager;
 import org.briarproject.bramble.api.identity.LocalAuthor;
 import org.briarproject.bramble.api.transport.KeyManager;
 import org.briarproject.bramble.test.BrambleMockTestCase;
 import org.briarproject.bramble.test.DbExpectations;
+import org.jmock.Expectations;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -28,6 +31,10 @@ import static java.util.Collections.singletonList;
 import static org.briarproject.bramble.api.contact.HandshakeLinkConstants.BASE32_LINK_BYTES;
 import static org.briarproject.bramble.api.contact.PendingContactState.WAITING_FOR_CONNECTION;
 import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_AUTHOR_NAME_LENGTH;
+import static org.briarproject.bramble.api.identity.AuthorInfo.Status.OURSELVES;
+import static org.briarproject.bramble.api.identity.AuthorInfo.Status.UNKNOWN;
+import static org.briarproject.bramble.api.identity.AuthorInfo.Status.UNVERIFIED;
+import static org.briarproject.bramble.api.identity.AuthorInfo.Status.VERIFIED;
 import static org.briarproject.bramble.test.TestUtils.getAgreementPrivateKey;
 import static org.briarproject.bramble.test.TestUtils.getAgreementPublicKey;
 import static org.briarproject.bramble.test.TestUtils.getAuthor;
@@ -39,6 +46,7 @@ import static org.briarproject.bramble.test.TestUtils.getSecretKey;
 import static org.briarproject.bramble.util.StringUtils.getRandomBase32String;
 import static org.briarproject.bramble.util.StringUtils.getRandomString;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
 public class ContactManagerImplTest extends BrambleMockTestCase {
@@ -204,6 +212,75 @@ public class ContactManagerImplTest extends BrambleMockTestCase {
 		assertTrue(contactManager.contactExists(remote.getId(), local));
 	}
 
+	@Test
+	public void testGetAuthorInfo() throws Exception {
+		Transaction txn = new Transaction(null, true);
+
+		context.checking(new DbExpectations() {{
+			oneOf(identityManager).getLocalAuthor(txn);
+			will(returnValue(localAuthor));
+			oneOf(db).getContactsByAuthorId(txn, remote.getId());
+			will(returnValue(singletonList(contact)));
+		}});
+
+		AuthorInfo authorInfo =
+				contactManager.getAuthorInfo(txn, remote.getId());
+		assertEquals(UNVERIFIED, authorInfo.getStatus());
+		assertEquals(contact.getAlias(), authorInfo.getAlias());
+	}
+
+	@Test
+	public void testGetAuthorInfoTransaction() throws DbException {
+		Transaction txn = new Transaction(null, true);
+
+		// check unknown author
+		context.checking(new Expectations() {{
+			oneOf(identityManager).getLocalAuthor(txn);
+			will(returnValue(localAuthor));
+			oneOf(db).getContactsByAuthorId(txn, remote.getId());
+			will(returnValue(emptyList()));
+		}});
+
+		AuthorInfo authorInfo =
+				contactManager.getAuthorInfo(txn, remote.getId());
+		assertEquals(UNKNOWN, authorInfo.getStatus());
+		assertNull(authorInfo.getAlias());
+
+		// check unverified contact
+		checkAuthorInfoContext(txn, remote.getId(), singletonList(contact));
+		authorInfo = contactManager.getAuthorInfo(txn, remote.getId());
+		assertEquals(UNVERIFIED, authorInfo.getStatus());
+		assertEquals(contact.getAlias(), authorInfo.getAlias());
+
+		// check verified contact
+		Contact verified = getContact(remote, local, true);
+		checkAuthorInfoContext(txn, remote.getId(), singletonList(verified));
+		authorInfo = contactManager.getAuthorInfo(txn, remote.getId());
+		assertEquals(VERIFIED, authorInfo.getStatus());
+		assertEquals(verified.getAlias(), authorInfo.getAlias());
+
+		// check ourselves
+		context.checking(new Expectations() {{
+			oneOf(identityManager).getLocalAuthor(txn);
+			will(returnValue(localAuthor));
+			never(db).getContactsByAuthorId(txn, remote.getId());
+		}});
+
+		authorInfo = contactManager.getAuthorInfo(txn, localAuthor.getId());
+		assertEquals(OURSELVES, authorInfo.getStatus());
+		assertNull(authorInfo.getAlias());
+	}
+
+	private void checkAuthorInfoContext(Transaction txn, AuthorId authorId,
+			Collection<Contact> contacts) throws DbException {
+		context.checking(new Expectations() {{
+			oneOf(identityManager).getLocalAuthor(txn);
+			will(returnValue(localAuthor));
+			oneOf(db).getContactsByAuthorId(txn, authorId);
+			will(returnValue(contacts));
+		}});
+	}
+
 	@Test
 	public void testGetHandshakeLink() throws Exception {
 		Transaction txn = new Transaction(null, true);

bramble-core/src/test/java/org/briarproject/bramble/test/BrambleCoreIntegrationTestModule.java

@@ -22,17 +22,6 @@ public class BrambleCoreIntegrationTestModule {
 
 	@Provides
 	FeatureFlags provideFeatureFlags() {
-		return new FeatureFlags() {
-
-			@Override
-			public boolean shouldEnableImageAttachments() {
-				return true;
-			}
-
-			@Override
-			public boolean shouldEnableProfilePictures() {
-				return true;
-			}
-		};
+		return () -> true;
 	}
 }

bramble-java/build.gradle

@@ -16,8 +16,8 @@ dependencies {
 	implementation fileTree(dir: 'libs', include: '*.jar')
 	implementation 'net.java.dev.jna:jna:4.5.2'
 	implementation 'net.java.dev.jna:jna-platform:4.5.2'
-	tor 'org.briarproject:tor:0.3.5.13-1@zip'
-	tor 'org.briarproject:obfs4proxy:0.0.12-dev-40245c4a@zip'
+	tor 'org.briarproject:tor:0.3.5.10@zip'
+	tor 'org.briarproject:obfs4proxy:0.0.7@zip'
 
 	annotationProcessor 'com.google.dagger:dagger-compiler:2.24'
 

bramble-java/src/main/java/org/briarproject/bramble/network/JavaNetworkManager.java

@@ -5,8 +5,6 @@ import org.briarproject.bramble.api.network.NetworkStatus;
 import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
 
-import java.net.Inet4Address;
-import java.net.InetAddress;
 import java.net.NetworkInterface;
 import java.net.SocketException;
 import java.util.Enumeration;
@@ -16,8 +14,8 @@ import javax.inject.Inject;
 
 import static java.net.NetworkInterface.getNetworkInterfaces;
 import static java.util.Collections.list;
+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.LogUtils.logException;
 
 @MethodsNotNullByDefault
@@ -25,7 +23,7 @@ import static org.briarproject.bramble.util.LogUtils.logException;
 class JavaNetworkManager implements NetworkManager {
 
 	private static final Logger LOG =
-			getLogger(JavaNetworkManager.class.getName());
+			Logger.getLogger(JavaNetworkManager.class.getName());
 
 	@Inject
 	JavaNetworkManager() {
@@ -33,28 +31,26 @@ class JavaNetworkManager implements NetworkManager {
 
 	@Override
 	public NetworkStatus getNetworkStatus() {
-		boolean connected = false, hasIpv4 = false, hasIpv6Unicast = false;
+		boolean connected = false;
 		try {
 			Enumeration<NetworkInterface> interfaces = getNetworkInterfaces();
-			if (interfaces == null) {
-				LOG.info("No network interfaces");
-			} else {
+			if (interfaces != null) {
 				for (NetworkInterface i : list(interfaces)) {
-					if (i.isLoopback() || !i.isUp()) continue;
-					for (InetAddress addr : list(i.getInetAddresses())) {
-						connected = true;
-						if (addr instanceof Inet4Address) {
-							hasIpv4 = true;
-						} else if (!addr.isMulticastAddress()) {
-							hasIpv6Unicast = true;
+					if (i.isLoopback()) continue;
+					if (i.isUp() && i.getInetAddresses().hasMoreElements()) {
+						if (LOG.isLoggable(INFO)) {
+							LOG.info("Interface " + i.getDisplayName() +
+									" is up with at least one address.");
 						}
+						connected = true;
+						break;
 					}
 				}
 			}
 		} catch (SocketException e) {
 			logException(LOG, WARNING, e);
 		}
-		return new NetworkStatus(connected, false, !hasIpv4 && hasIpv6Unicast);
+		return new NetworkStatus(connected, false);
 	}
 
 }

bramble-java/src/main/java/org/briarproject/bramble/plugin/tor/UnixTorPluginFactory.java

@@ -25,7 +25,6 @@ import javax.annotation.concurrent.Immutable;
 import javax.inject.Inject;
 import javax.net.SocketFactory;
 
-import static java.util.logging.Level.INFO;
 import static java.util.logging.Logger.getLogger;
 import static org.briarproject.bramble.util.OsUtils.isLinux;
 
@@ -97,15 +96,8 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 		String architecture = null;
 		if (isLinux()) {
 			String arch = System.getProperty("os.arch");
-			if (LOG.isLoggable(INFO)) {
-				LOG.info("System's os.arch is " + arch);
-			}
 			if (arch.equals("amd64")) {
 				architecture = "linux-x86_64";
-			} else if (arch.equals("aarch64")) {
-				architecture = "linux-aarch64";
-			} else if (arch.equals("arm")) {
-				architecture = "linux-armhf";
 			}
 		}
 		if (architecture == null) {
@@ -113,10 +105,6 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 			return null;
 		}
 
-		if (LOG.isLoggable(INFO)) {
-			LOG.info("The selected architecture for Tor is " + architecture);
-		}
-
 		Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
 				MAX_POLLING_INTERVAL, BACKOFF_BASE);
 		TorRendezvousCrypto torRendezvousCrypto = new TorRendezvousCryptoImpl();

bramble-java/src/test/java/org/briarproject/bramble/plugin/tor/BridgeTest.java

@@ -53,7 +53,7 @@ public class BridgeTest extends BrambleTestCase {
 		return component.getCircumventionProvider().getBridges(false);
 	}
 
-	private final static long TIMEOUT = SECONDS.toMillis(60);
+	private final static long TIMEOUT = SECONDS.toMillis(30);
 
 	private final static Logger LOG = getLogger(BridgeTest.class.getName());
 

bramble-java/witness.gradle

@@ -23,8 +23,8 @@ dependencyVerification {
         'org.apache.ant:ant-launcher:1.9.4:ant-launcher-1.9.4.jar:7bccea20b41801ca17bcbc909a78c835d0f443f12d639c77bd6ae3d05861608d',
         'org.apache.ant:ant:1.9.4:ant-1.9.4.jar:649ae0730251de07b8913f49286d46bba7b92d47c5f332610aa426c4f02161d8',
         'org.beanshell:bsh:1.3.0:bsh-1.3.0.jar:9b04edc75d19db54f1b4e8b5355e9364384c6cf71eb0a1b9724c159d779879f8',
-        'org.briarproject:obfs4proxy:0.0.12-dev-40245c4a:obfs4proxy-0.0.12-dev-40245c4a.zip:172029e7058b3a83ac93ac4991a44bf76e16ce8d46f558f5836d57da3cb3a766',
-        'org.briarproject:tor:0.3.5.13-1:tor-0.3.5.13-1.zip:ef35c16bf8dc1f4c75ed71d9f55e4514f383d124ec96b859aca647c990927c99',
+        'org.briarproject:obfs4proxy:0.0.7:obfs4proxy-0.0.7.zip:5b2f693262ce43a7e130f7cc7d5d1617925330640a2eb6d71085e95df8ee0642',
+        'org.briarproject:tor:0.3.5.10:tor-0.3.5.10.zip:7b387d3523ae8af289c23be59dc4c64ec5d3721385d7825a09705095e3318d5c',
         'org.checkerframework:checker-compat-qual:2.5.3:checker-compat-qual-2.5.3.jar:d76b9afea61c7c082908023f0cbc1427fab9abd2df915c8b8a3e7a509bccbc6d',
         'org.checkerframework:checker-qual:2.5.2:checker-qual-2.5.2.jar:64b02691c8b9d4e7700f8ee2e742dce7ea2c6e81e662b7522c9ee3bf568c040a',
         'org.codehaus.mojo:animal-sniffer-annotations:1.17:animal-sniffer-annotations-1.17.jar:92654f493ecfec52082e76354f0ebf87648dc3d5cec2e3c3cdb947c016747a53',

briar-android/artwork/notification_signout.svg

@@ -1 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24"><path d="M16,17V14H9V10H16V7L21,12L16,17M14,2A2,2 0 0,1 16,4V6H14V4H5V20H14V18H16V20A2,2 0 0,1 14,22H5A2,2 0 0,1 3,20V4A2,2 0 0,1 5,2H14Z" /></svg>

briar-android/build.gradle

@@ -16,21 +16,15 @@ def getStdout = { command, defaultValue ->
 }
 
 android {
-	compileSdkVersion 30
-	buildToolsVersion '30.0.2'
-
-	packagingOptions {
-		doNotStrip '**/*.so'
-	}
+	compileSdkVersion 29
+	buildToolsVersion '29.0.2'
 
 	defaultConfig {
 		minSdkVersion 16
-		targetSdkVersion 29
-		versionCode 10219
-		versionName "1.2.19"
+		targetSdkVersion 28
+		versionCode 10209
+		versionName "1.2.9"
 		applicationId "org.briarproject.briar.android"
-
-		vectorDrawables.useSupportLibrary = true
 		buildConfigField "String", "GitHash",
 				"\"${getStdout(['git', 'rev-parse', '--short=7', 'HEAD'], 'No commit hash')}\""
 		def now = (long) (System.currentTimeMillis() / 1000)
@@ -99,23 +93,23 @@ dependencies {
 	implementation project(path: ':bramble-core', configuration: 'default')
 	implementation project(':bramble-android')
 
-	implementation 'androidx.fragment:fragment:1.3.0'
-	implementation 'androidx.preference:preference:1.1.1'
-	implementation 'androidx.exifinterface:exifinterface:1.3.1'
-	implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
-	implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
-	implementation 'com.google.android.material:material:1.2.1'
-	implementation 'androidx.recyclerview:recyclerview-selection:1.1.0-rc03'
+	implementation 'androidx.preference:preference:1.1.0'
+	implementation 'androidx.exifinterface:exifinterface:1.0.0'
+	implementation 'androidx.lifecycle:lifecycle-extensions:2.1.0'
+	implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+	implementation 'com.google.android.material:material:1.1.0-beta01'
+	implementation 'androidx.recyclerview:recyclerview-selection:1.1.0-rc01'
 
+	implementation 'ch.acra:acra:4.11'
 	implementation 'info.guardianproject.panic:panic:1.0'
 	implementation 'info.guardianproject.trustedintents:trustedintents:0.2'
 	implementation 'de.hdodenhof:circleimageview:3.0.1'
 	implementation 'com.google.zxing:core:3.3.3'  // newer version need minSdk 24
 	implementation 'uk.co.samuelwall:material-tap-target-prompt:3.0.0'
-	implementation 'com.vanniktech:emoji-google:0.6.0' // newer versions need minSdk 21
+	implementation 'com.vanniktech:emoji-google:0.6.0'
 	implementation 'com.github.kobakei:MaterialFabSpeedDial:1.2.1'
 	implementation 'com.github.chrisbanes:PhotoView:2.3.0'
-	def glideVersion = '4.11.0'
+	def glideVersion = '4.10.0'
 	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
@@ -126,33 +120,33 @@ dependencies {
 
 	compileOnly 'javax.annotation:jsr250-api:1.0'
 
-	def espressoVersion = '3.3.0'
+	def espressoVersion = '3.2.0'
 	def jmockVersion = '2.8.2'
 	testImplementation project(path: ':bramble-api', configuration: 'testOutput')
 	testImplementation project(path: ':bramble-core', configuration: 'testOutput')
-	testImplementation 'androidx.test:runner:1.3.0'
-	testImplementation 'androidx.test.ext:junit:1.1.2'
-	testImplementation 'androidx.fragment:fragment-testing:1.2.5'
-	testImplementation "androidx.arch.core:core-testing:2.1.0"
+	testImplementation 'androidx.test:runner:1.2.0'
+	testImplementation 'androidx.test.ext:junit:1.1.1'
+	testImplementation 'androidx.fragment:fragment-testing:1.1.0'
 	testImplementation "androidx.test.espresso:espresso-core:$espressoVersion"
 	testImplementation 'org.robolectric:robolectric:4.3.1'
 	testImplementation 'org.mockito:mockito-core:3.1.0'
-	testImplementation 'junit:junit:4.13.1'
+	testImplementation 'junit:junit:4.12'
 	testImplementation "org.jmock:jmock:$jmockVersion"
 	testImplementation "org.jmock:jmock-junit4:$jmockVersion"
 	testImplementation "org.jmock:jmock-legacy:$jmockVersion"
-	testAnnotationProcessor "com.google.dagger:dagger-compiler:2.24"
 
 	androidTestImplementation project(path: ':bramble-api', configuration: 'testOutput')
-	androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+	androidTestImplementation 'androidx.test.ext:junit:1.1.1'
 	androidTestImplementation "androidx.test.espresso:espresso-core:$espressoVersion"
 	androidTestImplementation "androidx.test.espresso:espresso-contrib:$espressoVersion"
 	androidTestImplementation "androidx.test.espresso:espresso-intents:$espressoVersion"
 	androidTestAnnotationProcessor "com.google.dagger:dagger-compiler:2.24"
 	androidTestCompileOnly 'javax.annotation:jsr250-api:1.0'
-	androidTestImplementation 'junit:junit:4.13.1'
-	androidTestScreenshotImplementation 'tools.fastlane:screengrab:2.0.0'
-	androidTestScreenshotImplementation 'com.jraska:falcon:2.1.1'
+	androidTestImplementation 'junit:junit:4.12'
+	androidTestScreenshotImplementation('tools.fastlane:screengrab:1.2.0') {
+		// workaround for jetifier issue https://issuetracker.google.com/issues/123060356
+		exclude group: 'com.android.support.test.uiautomator'
+	}
 	androidTestScreenshotImplementation 'androidx.test.uiautomator:uiautomator:2.2.0'
 }
 

briar-android/proguard-rules.txt

@@ -37,6 +37,3 @@
 
 # Glide
 -dontwarn com.bumptech.glide.load.engine.cache.DiskLruCacheWrapper
-
-# Dependency injection annotations, needed for UI tests on older API levels
--keep class javax.inject.**

briar-android/src/androidTest/java/org/briarproject/briar/android/UiTest.java

@@ -4,20 +4,16 @@ import android.app.Activity;
 import android.content.Intent;
 
 import org.briarproject.bramble.api.account.AccountManager;
-import org.briarproject.bramble.api.db.DbException;
 import org.briarproject.bramble.api.lifecycle.LifecycleManager;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-import org.briarproject.bramble.api.settings.Settings;
-import org.briarproject.bramble.api.settings.SettingsManager;
 import org.briarproject.briar.R;
 
+import javax.annotation.Nullable;
 import javax.inject.Inject;
 
 import androidx.test.espresso.intent.rule.IntentsTestRule;
 
 import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
-import static org.briarproject.briar.android.controller.BriarControllerImpl.DOZE_ASK_AGAIN;
-import static org.briarproject.briar.android.settings.SettingsFragment.SETTINGS_NAMESPACE;
 
 
 @SuppressWarnings("WeakerAccess")
@@ -31,8 +27,6 @@ public abstract class UiTest {
 	protected AccountManager accountManager;
 	@Inject
 	protected LifecycleManager lifecycleManager;
-	@Inject
-	protected SettingsManager settingsManager;
 
 	public UiTest() {
 		BriarTestComponentApplication app = getApplicationContext();
@@ -45,8 +39,22 @@ public abstract class UiTest {
 	protected class CleanAccountTestRule<A extends Activity>
 			extends IntentsTestRule<A> {
 
+		@Nullable
+		private final Runnable runnable;
+
 		public CleanAccountTestRule(Class<A> activityClass) {
 			super(activityClass);
+			this.runnable = null;
+		}
+
+		/**
+		 * Use this if you need to run code before launching the activity.
+		 * Note: You need to use {@link #launchActivity(Intent)} yourself
+		 * to start the activity.
+		 */
+		public CleanAccountTestRule(Class<A> activityClass, Runnable runnable) {
+			super(activityClass, false, false);
+			this.runnable = runnable;
 		}
 
 		@Override
@@ -54,17 +62,16 @@ public abstract class UiTest {
 			super.beforeActivityLaunched();
 			accountManager.deleteAccount();
 			accountManager.createAccount(USERNAME, PASSWORD);
-			Intent serviceIntent =
-					new Intent(getApplicationContext(), BriarService.class);
-			getApplicationContext().startService(serviceIntent);
-			try {
-				lifecycleManager.waitForStartup();
-				// do not show doze white-listing dialog
-				Settings settings = new Settings();
-				settings.putBoolean(DOZE_ASK_AGAIN, false);
-				settingsManager.mergeSettings(settings, SETTINGS_NAMESPACE);
-			} catch (InterruptedException | DbException e) {
-				throw new AssertionError(e);
+			if (runnable != null) {
+				Intent serviceIntent =
+						new Intent(getApplicationContext(), BriarService.class);
+				getApplicationContext().startService(serviceIntent);
+				try {
+					lifecycleManager.waitForStartup();
+				} catch (InterruptedException e) {
+					throw new AssertionError(e);
+				}
+				runnable.run();
 			}
 		}
 	}

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/BriarUiTestComponent.java

@@ -5,7 +5,6 @@ import org.briarproject.bramble.BrambleCoreModule;
 import org.briarproject.bramble.account.BriarAccountModule;
 import org.briarproject.briar.BriarCoreModule;
 import org.briarproject.briar.android.attachment.AttachmentModule;
-import org.briarproject.briar.android.attachment.media.MediaModule;
 import org.briarproject.briar.android.navdrawer.NavDrawerActivityTest;
 
 import javax.inject.Singleton;
@@ -16,7 +15,6 @@ import dagger.Component;
 @Component(modules = {
 		AppModule.class,
 		AttachmentModule.class,
-		MediaModule.class,
 		BriarCoreModule.class,
 		BrambleAndroidModule.class,
 		BriarAccountModule.class,

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/attachment/AbstractAttachmentCreationTaskTest.java

@@ -0,0 +1,41 @@
+package org.briarproject.briar.android.attachment;
+
+import android.content.res.AssetManager;
+
+import org.junit.Before;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import static androidx.test.InstrumentationRegistry.getContext;
+import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
+
+abstract class AbstractAttachmentCreationTaskTest {
+
+	private final ImageHelper imageHelper = new ImageHelperImpl();
+	private final ImageSizeCalculator imageSizeCalculator =
+			new ImageSizeCalculator(imageHelper);
+
+	private AttachmentCreationTask task;
+
+	@Before
+	@SuppressWarnings("ConstantConditions")  // add real objects when needed
+	public void setUp() {
+		task = new AttachmentCreationTask(null,
+				getApplicationContext().getContentResolver(), null,
+				imageSizeCalculator, null, null, true);
+	}
+
+	void testCompress(String filename, String contentType)
+			throws IOException {
+		InputStream is = getAssetManager().open(filename);
+		task.compressImage(is, contentType);
+	}
+
+	static AssetManager getAssetManager() {
+		// pm.getResourcesForApplication(packageName).getAssets() did not work
+		//noinspection deprecation
+		return getContext().getAssets();
+	}
+
+}

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/attachment/AbstractAttachmentRetrieverComponent.java

@@ -1,17 +0,0 @@
-package org.briarproject.briar.android.attachment;
-
-import org.briarproject.briar.android.attachment.media.MediaModule;
-
-import javax.inject.Singleton;
-
-import dagger.Component;
-
-@Singleton
-@Component(modules = {
-		MediaModule.class
-})
-interface AbstractAttachmentRetrieverComponent {
-
-	void inject(AttachmentRetrieverIntegrationTest test);
-
-}

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/attachment/AttachmentCreationTaskTest.java

@@ -1,4 +1,4 @@
-package org.briarproject.briar.android.attachment.media;
+package org.briarproject.briar.android.attachment;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -9,13 +9,8 @@ import static android.os.Build.VERSION.SDK_INT;
 import static org.junit.Assume.assumeTrue;
 
 @RunWith(AndroidJUnit4.class)
-public class ImageCompressorTest
-		extends AbstractImageCompressorTest {
-
-	@Override
-	protected void inject(AbstractImageCompressorComponent component) {
-		component.inject(this);
-	}
+public class AttachmentCreationTaskTest
+		extends AbstractAttachmentCreationTaskTest {
 
 	@Test
 	public void testCompressSmallPng() throws Exception {

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/attachment/AttachmentRetrieverIntegrationTest.java

@@ -1,26 +1,20 @@
 package org.briarproject.briar.android.attachment;
 
 import org.briarproject.bramble.api.UniqueId;
-import org.briarproject.bramble.api.sync.GroupId;
 import org.briarproject.bramble.api.sync.MessageId;
-import org.briarproject.briar.android.attachment.media.ImageHelper;
-import org.briarproject.briar.android.attachment.media.ImageSizeCalculator;
-import org.briarproject.briar.api.attachment.Attachment;
-import org.briarproject.briar.api.attachment.AttachmentHeader;
+import org.briarproject.briar.api.messaging.Attachment;
+import org.briarproject.briar.api.messaging.AttachmentHeader;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
 import java.io.InputStream;
 import java.util.Random;
 
-import javax.inject.Inject;
-
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 
 import static androidx.test.InstrumentationRegistry.getContext;
-import static org.briarproject.briar.android.attachment.AttachmentItem.State.AVAILABLE;
-import static org.briarproject.briar.android.attachment.AttachmentItem.State.ERROR;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 @RunWith(AndroidJUnit4.class)
@@ -29,31 +23,19 @@ public class AttachmentRetrieverIntegrationTest {
 	private final AttachmentDimensions dimensions = new AttachmentDimensions(
 			100, 50, 200, 75, 300
 	);
-	private final GroupId groupId = new GroupId(getRandomId());
 	private final MessageId msgId = new MessageId(getRandomId());
 
-	@Inject
-	ImageHelper imageHelper;
-	@Inject
-	ImageSizeCalculator imageSizeCalculator;
-
-	private final AttachmentRetriever retriever;
-
-	public AttachmentRetrieverIntegrationTest() {
-		AbstractAttachmentRetrieverComponent component =
-				DaggerAbstractAttachmentRetrieverComponent.builder().build();
-		component.inject(this);
-
-		retriever = new AttachmentRetrieverImpl(null, null, dimensions,
-				imageHelper, imageSizeCalculator);
-	}
+	private final ImageHelper imageHelper = new ImageHelperImpl();
+	private final AttachmentRetriever retriever =
+			new AttachmentRetrieverImpl(null, dimensions, imageHelper,
+					new ImageSizeCalculator(imageHelper));
 
 	@Test
 	public void testSmallJpegImage() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/jpeg");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/jpeg");
 		InputStream is = getAssetInputStream("kitten_small.jpg");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(msgId, item.getMessageId());
 		assertEquals(160, item.getWidth());
 		assertEquals(240, item.getHeight());
@@ -61,15 +43,15 @@ public class AttachmentRetrieverIntegrationTest {
 		assertEquals(240, item.getThumbnailHeight());
 		assertEquals("image/jpeg", item.getMimeType());
 		assertJpgOrJpeg(item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testBigJpegImage() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/jpeg");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/jpeg");
 		InputStream is = getAssetInputStream("kitten_original.jpg");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(msgId, item.getMessageId());
 		assertEquals(1728, item.getWidth());
 		assertEquals(2592, item.getHeight());
@@ -77,15 +59,15 @@ public class AttachmentRetrieverIntegrationTest {
 		assertEquals(dimensions.maxHeight, item.getThumbnailHeight());
 		assertEquals("image/jpeg", item.getMimeType());
 		assertJpgOrJpeg(item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testSmallPngImage() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/png");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/png");
 		InputStream is = getAssetInputStream("kitten.png");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(msgId, item.getMessageId());
 		assertEquals(737, item.getWidth());
 		assertEquals(510, item.getHeight());
@@ -93,166 +75,166 @@ public class AttachmentRetrieverIntegrationTest {
 		assertEquals(138, item.getThumbnailHeight());
 		assertEquals("image/png", item.getMimeType());
 		assertEquals("png", item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testUberGif() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/gif");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/gif");
 		InputStream is = getAssetInputStream("uber.gif");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(1, item.getWidth());
 		assertEquals(1, item.getHeight());
 		assertEquals(dimensions.minHeight, item.getThumbnailWidth());
 		assertEquals(dimensions.minHeight, item.getThumbnailHeight());
 		assertEquals("image/gif", item.getMimeType());
 		assertEquals("gif", item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testLottaPixels() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/jpeg");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/jpeg");
 		InputStream is = getAssetInputStream("lottapixel.jpg");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(64250, item.getWidth());
 		assertEquals(64250, item.getHeight());
 		assertEquals(dimensions.maxWidth, item.getThumbnailWidth());
 		assertEquals(dimensions.maxWidth, item.getThumbnailHeight());
 		assertEquals("image/jpeg", item.getMimeType());
 		assertJpgOrJpeg(item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testImageIoCrash() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/png");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/png");
 		InputStream is = getAssetInputStream("image_io_crash.png");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(1184, item.getWidth());
 		assertEquals(448, item.getHeight());
 		assertEquals(dimensions.maxWidth, item.getThumbnailWidth());
 		assertEquals(dimensions.minHeight, item.getThumbnailHeight());
 		assertEquals("image/png", item.getMimeType());
 		assertEquals("png", item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testGimpCrash() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/gif");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/gif");
 		InputStream is = getAssetInputStream("gimp_crash.gif");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(1, item.getWidth());
 		assertEquals(1, item.getHeight());
 		assertEquals(dimensions.minHeight, item.getThumbnailWidth());
 		assertEquals(dimensions.minHeight, item.getThumbnailHeight());
 		assertEquals("image/gif", item.getMimeType());
 		assertEquals("gif", item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testOptiPngAfl() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/gif");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/gif");
 		InputStream is = getAssetInputStream("opti_png_afl.gif");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(32, item.getWidth());
 		assertEquals(32, item.getHeight());
 		assertEquals(dimensions.minHeight, item.getThumbnailWidth());
 		assertEquals(dimensions.minHeight, item.getThumbnailHeight());
 		assertEquals("image/gif", item.getMimeType());
 		assertEquals("gif", item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testLibrawError() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/jpeg");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/jpeg");
 		InputStream is = getAssetInputStream("libraw_error.jpg");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
-		assertEquals(ERROR, item.getState());
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
+		assertTrue(item.hasError());
 	}
 
 	@Test
 	public void testSmallAnimatedGifMaxDimensions() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/gif");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/gif");
 		InputStream is = getAssetInputStream("animated.gif");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(65535, item.getWidth());
 		assertEquals(65535, item.getHeight());
 		assertEquals(dimensions.maxWidth, item.getThumbnailWidth());
 		assertEquals(dimensions.maxWidth, item.getThumbnailHeight());
 		assertEquals("image/gif", item.getMimeType());
 		assertEquals("gif", item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testSmallAnimatedGifHugeDimensions() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/gif");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/gif");
 		InputStream is = getAssetInputStream("animated2.gif");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(10000, item.getWidth());
 		assertEquals(10000, item.getHeight());
 		assertEquals(dimensions.maxWidth, item.getThumbnailWidth());
 		assertEquals(dimensions.maxWidth, item.getThumbnailHeight());
 		assertEquals("image/gif", item.getMimeType());
 		assertEquals("gif", item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testSmallGifLargeDimensions() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/gif");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/gif");
 		InputStream is = getAssetInputStream("error_large.gif");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(16384, item.getWidth());
 		assertEquals(16384, item.getHeight());
 		assertEquals(dimensions.maxWidth, item.getThumbnailWidth());
 		assertEquals(dimensions.maxWidth, item.getThumbnailHeight());
 		assertEquals("image/gif", item.getMimeType());
 		assertEquals("gif", item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testHighError() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/jpeg");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/jpeg");
 		InputStream is = getAssetInputStream("error_high.jpg");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(1, item.getWidth());
 		assertEquals(10000, item.getHeight());
 		assertEquals(dimensions.minWidth, item.getThumbnailWidth());
 		assertEquals(dimensions.maxHeight, item.getThumbnailHeight());
 		assertEquals("image/jpeg", item.getMimeType());
 		assertJpgOrJpeg(item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	@Test
 	public void testWideError() throws Exception {
-		AttachmentHeader h = new AttachmentHeader(groupId, msgId, "image/jpeg");
+		AttachmentHeader h = new AttachmentHeader(msgId, "image/jpeg");
 		InputStream is = getAssetInputStream("error_wide.jpg");
 		Attachment a = new Attachment(h, is);
-		AttachmentItem item = retriever.createAttachmentItem(a, true);
+		AttachmentItem item = retriever.getAttachmentItem(a, true);
 		assertEquals(1920, item.getWidth());
 		assertEquals(1, item.getHeight());
 		assertEquals(dimensions.maxWidth, item.getThumbnailWidth());
 		assertEquals(dimensions.minHeight, item.getThumbnailHeight());
 		assertEquals("image/jpeg", item.getMimeType());
 		assertJpgOrJpeg(item.getExtension());
-		assertEquals(AVAILABLE, item.getState());
+		assertFalse(item.hasError());
 	}
 
 	private InputStream getAssetInputStream(String name) throws Exception {

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/attachment/PngSuiteAttachmentCreationTaskTest.java

@@ -1,4 +1,4 @@
-package org.briarproject.briar.android.attachment.media;
+package org.briarproject.briar.android.attachment;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -10,26 +10,18 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.logging.Logger;
 
-import androidx.test.filters.LargeTest;
-
 import static java.util.logging.Logger.getLogger;
 import static org.briarproject.bramble.api.nullsafety.NullSafety.requireNonNull;
 import static org.briarproject.bramble.test.TestUtils.isOptionalTestEnabled;
 import static org.junit.Assert.fail;
 import static org.junit.Assume.assumeTrue;
 
-@LargeTest
 @RunWith(Parameterized.class)
-public class PngSuiteImageCompressorTest
-		extends AbstractImageCompressorTest {
+public class PngSuiteAttachmentCreationTaskTest
+		extends AbstractAttachmentCreationTaskTest {
 
 	private static final Logger LOG =
-			getLogger(PngSuiteImageCompressorTest.class.getName());
-
-	@Override
-	protected void inject(AbstractImageCompressorComponent component) {
-		component.inject(this);
-	}
+			getLogger(PngSuiteAttachmentCreationTaskTest.class.getName());
 
 	@Parameters
 	public static Iterable<String> data() throws IOException {
@@ -42,14 +34,14 @@ public class PngSuiteImageCompressorTest
 
 	private final String filename;
 
-	public PngSuiteImageCompressorTest(String filename) {
+	public PngSuiteAttachmentCreationTaskTest(String filename) {
 		this.filename = filename;
 	}
 
 	@Test
 	public void testPngSuiteCompress() throws Exception {
 		assumeTrue(isOptionalTestEnabled(
-				PngSuiteImageCompressorTest.class));
+				PngSuiteAttachmentCreationTaskTest.class));
 		LOG.info("Testing " + filename);
 		if (filename.startsWith("x")) {
 			try {

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/attachment/media/AbstractImageCompressorComponent.java

@@ -1,15 +0,0 @@
-package org.briarproject.briar.android.attachment.media;
-
-import javax.inject.Singleton;
-
-import dagger.Component;
-
-@Singleton
-@Component(modules = {
-		MediaModule.class
-})
-interface AbstractImageCompressorComponent {
-
-	void inject(AbstractImageCompressorTest test);
-
-}

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/attachment/media/AbstractImageCompressorTest.java

@@ -1,38 +0,0 @@
-package org.briarproject.briar.android.attachment.media;
-
-import android.content.res.AssetManager;
-
-import java.io.IOException;
-import java.io.InputStream;
-
-import javax.inject.Inject;
-
-import static androidx.test.InstrumentationRegistry.getContext;
-
-public abstract class AbstractImageCompressorTest {
-
-	@Inject
-	ImageCompressor imageCompressor;
-
-	public AbstractImageCompressorTest() {
-		AbstractImageCompressorComponent component =
-				DaggerAbstractImageCompressorComponent.builder().build();
-		component.inject(this);
-	}
-
-	protected abstract void inject(
-			AbstractImageCompressorComponent component);
-
-	void testCompress(String filename, String contentType)
-			throws IOException {
-		InputStream is = getAssetManager().open(filename);
-		imageCompressor.compressImage(is, contentType);
-	}
-
-	static AssetManager getAssetManager() {
-		// pm.getResourcesForApplication(packageName).getAssets() did not work
-		//noinspection deprecation
-		return getContext().getAssets();
-	}
-
-}

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/attachment/media/AbstractImageSizeCalculatorComponent.java

@@ -1,15 +0,0 @@
-package org.briarproject.briar.android.attachment.media;
-
-import javax.inject.Singleton;
-
-import dagger.Component;
-
-@Singleton
-@Component(modules = {
-		MediaModule.class
-})
-interface AbstractImageSizeCalculatorComponent {
-
-	void inject(AbstractImageSizeCalculatorTest test);
-
-}

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/attachment/media/AbstractImageSizeCalculatorTest.java

@@ -1,51 +0,0 @@
-package org.briarproject.briar.android.attachment.media;
-
-import android.content.res.AssetManager;
-
-import java.io.IOException;
-import java.io.InputStream;
-
-import javax.inject.Inject;
-
-import static androidx.test.InstrumentationRegistry.getContext;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-public abstract class AbstractImageSizeCalculatorTest {
-
-	@Inject
-	ImageSizeCalculator imageSizeCalculator;
-
-	public AbstractImageSizeCalculatorTest() {
-		AbstractImageSizeCalculatorComponent component =
-				DaggerAbstractImageSizeCalculatorComponent.builder().build();
-		component.inject(this);
-	}
-
-	protected abstract void inject(
-			AbstractImageSizeCalculatorComponent component);
-
-	void testCanCalculateSize(String filename, String contentType, int width,
-			int height) throws IOException {
-		InputStream is = getAssetManager().open(filename);
-		Size size = imageSizeCalculator.getSize(is, contentType);
-		assertFalse(size.hasError());
-		assertEquals(width, size.getWidth());
-		assertEquals(height, size.getHeight());
-	}
-
-	void testCannotCalculateSize(String filename, String contentType)
-			throws IOException {
-		InputStream is = getAssetManager().open(filename);
-		Size size = imageSizeCalculator.getSize(is, contentType);
-		assertTrue(size.hasError());
-	}
-
-	static AssetManager getAssetManager() {
-		// pm.getResourcesForApplication(packageName).getAssets() did not work
-		//noinspection deprecation
-		return getContext().getAssets();
-	}
-
-}

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/attachment/media/ImageSizeCalculatorTest.java

@@ -1,80 +0,0 @@
-package org.briarproject.briar.android.attachment.media;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import androidx.test.ext.junit.runners.AndroidJUnit4;
-
-import static android.os.Build.VERSION.SDK_INT;
-import static org.junit.Assume.assumeTrue;
-
-@RunWith(AndroidJUnit4.class)
-public class ImageSizeCalculatorTest
-		extends AbstractImageSizeCalculatorTest {
-
-	@Override
-	protected void inject(AbstractImageSizeCalculatorComponent component) {
-		component.inject(this);
-	}
-
-	@Test
-	public void testCalculateSizeKittenSmall() throws Exception {
-		testCanCalculateSize("kitten_small.jpg", "image/jpeg", 160, 240);
-	}
-
-	@Test
-	public void testCalculateSizeKittenSmallNoExif() throws Exception {
-		testCanCalculateSize("kitten_small_noexif.jpg", "image/jpeg", 160, 240);
-	}
-
-	@Test
-	public void testCalculateSizeSmallPng() throws Exception {
-		testCanCalculateSize("red-100x100.png", "image/png", 100, 100);
-	}
-
-	@Test
-	public void testCalculateSizeMediumPng() throws Exception {
-		testCanCalculateSize("blue-500x500.png", "image/png", 500, 500);
-	}
-
-	@Test
-	public void testCalculateSizeLargePng() throws Exception {
-		testCanCalculateSize("green-1000x2000.png", "image/png", 1000, 2000);
-	}
-
-	@Test
-	public void testCalculateSizeTransparentPng() throws Exception {
-		testCanCalculateSize("transparent-100x100.png", "image/png", 100, 100);
-	}
-
-	@Test
-	public void testCalculateSizeVeryHighJpg() throws Exception {
-		testCanCalculateSize("error_high.jpg", "image/jpeg", 1, 10000);
-	}
-
-	@Test
-	public void testCalculateSizeVeryWideJpg() throws Exception {
-		testCanCalculateSize("error_wide.jpg", "image/jpeg", 1920, 1);
-	}
-
-	@Test
-	public void testCalculateSizeAnimatedGif1() throws Exception {
-		// TODO: Remove this assumption when we support large messages
-		assumeTrue(SDK_INT >= 24);
-		testCanCalculateSize("animated.gif", "image/gif", 65535, 65535);
-	}
-
-	@Test
-	public void testCalculateSizeAnimatedGif2() throws Exception {
-		// TODO: Remove this assumption when we support large messages
-		assumeTrue(SDK_INT >= 24);
-		testCanCalculateSize("animated2.gif", "image/gif", 10000, 10000);
-	}
-
-	@Test
-	public void testCalculateSizeVeryLargeGif() throws Exception {
-		// TODO: Remove this assumption when we support large messages
-		assumeTrue(SDK_INT >= 24);
-		testCanCalculateSize("error_large.gif", "image/gif", 16384, 16384);
-	}
-}

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/attachment/media/PngSuiteImageSizeCalculatorTest.java

@@ -1,83 +0,0 @@
-package org.briarproject.briar.android.attachment.media;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.logging.Logger;
-
-import androidx.test.filters.LargeTest;
-
-import static java.util.logging.Logger.getLogger;
-import static org.briarproject.bramble.api.nullsafety.NullSafety.requireNonNull;
-import static org.briarproject.bramble.test.TestUtils.isOptionalTestEnabled;
-import static org.junit.Assume.assumeTrue;
-
-@LargeTest
-@RunWith(Parameterized.class)
-public class PngSuiteImageSizeCalculatorTest
-		extends AbstractImageSizeCalculatorTest {
-
-	private static final Logger LOG =
-			getLogger(PngSuiteImageSizeCalculatorTest.class.getName());
-
-	@Override
-	protected void inject(AbstractImageSizeCalculatorComponent component) {
-		component.inject(this);
-	}
-
-	@Parameters
-	public static Iterable<String> data() throws IOException {
-		List<String> data = new ArrayList<>();
-		String[] files = requireNonNull(getAssetManager().list("PngSuite"));
-		for (String filename : files)
-			if (filename.endsWith(".png")) data.add(filename);
-		return data;
-	}
-
-	private final String filename;
-
-	public PngSuiteImageSizeCalculatorTest(String filename) {
-		this.filename = filename;
-	}
-
-	//  some files have sizes other than 32x32
-	private Map<String, Size> customSizes = new HashMap<>();
-
-	{
-		customSizes.put("cdfn2c08.png", new Size(8, 32, "image/png"));
-		customSizes.put("cdhn2c08.png", new Size(32, 8, "image/png"));
-		customSizes.put("cdsn2c08.png", new Size(8, 8, "image/png"));
-		customSizes.put("PngSuite.png", new Size(256, 256, "image/png"));
-	}
-
-	@Test
-	public void testPngSuiteCalculateSizes() throws Exception {
-		assumeTrue(isOptionalTestEnabled(
-				PngSuiteImageSizeCalculatorTest.class));
-		LOG.info("Testing " + filename);
-		if (filename.startsWith("x") && !filename.equals("xcsn0g01.png")) {
-			testCannotCalculateSize("PngSuite/" + filename, "image/png");
-		} else if (filename.startsWith("s")) {
-			int size = Integer.parseInt(filename.substring(1, 3));
-			testCanCalculateSize("PngSuite/" + filename, "image/png", size,
-					size);
-		} else {
-			int width = 32;
-			int height = 32;
-			if (customSizes.containsKey(filename)) {
-				Size size = customSizes.get(filename);
-				width = size.getWidth();
-				height = size.getHeight();
-			}
-			testCanCalculateSize("PngSuite/" + filename, "image/png", width,
-					height);
-		}
-	}
-}

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/conversation/ConversationActivityNotSignedInTest.java

@@ -0,0 +1,39 @@
+package org.briarproject.briar.android.conversation;
+
+import android.content.Context;
+import android.content.Intent;
+
+import org.briarproject.briar.R;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.rule.ActivityTestRule;
+
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static androidx.test.espresso.matcher.ViewMatchers.withText;
+import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
+import static org.briarproject.briar.android.ViewActions.waitUntilMatches;
+import static org.briarproject.briar.android.conversation.ConversationActivity.CONTACT_ID;
+
+@RunWith(AndroidJUnit4.class)
+public class ConversationActivityNotSignedInTest {
+
+	@Rule
+	public ActivityTestRule<ConversationActivity> testRule =
+			new ActivityTestRule<>(ConversationActivity.class, false, false);
+
+	@Test
+	public void openWithoutSignedIn() {
+		Context targetContext = getInstrumentation().getTargetContext();
+		Intent intent = new Intent(targetContext, ConversationActivity.class);
+		intent.putExtra(CONTACT_ID, 1);
+		testRule.launchActivity(intent);
+
+		onView(withText(R.string.sign_in_button))
+				.perform(waitUntilMatches(isDisplayed()));
+	}
+
+}

briar-android/src/androidTestScreenshot/java/org/briarproject/briar/android/BriarUiTestComponent.java

@@ -5,7 +5,6 @@ import org.briarproject.bramble.BrambleCoreModule;
 import org.briarproject.bramble.account.BriarAccountModule;
 import org.briarproject.briar.BriarCoreModule;
 import org.briarproject.briar.android.attachment.AttachmentModule;
-import org.briarproject.briar.android.attachment.media.MediaModule;
 import org.briarproject.briar.android.conversation.ConversationActivityScreenshotTest;
 import org.briarproject.briar.android.settings.SettingsActivityScreenshotTest;
 
@@ -17,7 +16,6 @@ import dagger.Component;
 @Component(modules = {
 		AppModule.class,
 		AttachmentModule.class,
-		MediaModule.class,
 		BriarCoreModule.class,
 		BrambleAndroidModule.class,
 		BriarAccountModule.class,
@@ -28,7 +26,6 @@ public interface BriarUiTestComponent extends AndroidComponent {
 	void inject(SetupDataTest test);
 
 	void inject(ConversationActivityScreenshotTest test);
-
 	void inject(SettingsActivityScreenshotTest test);
 
 }

briar-android/src/androidTestScreenshot/java/org/briarproject/briar/android/SetupDataTest.java

@@ -116,7 +116,7 @@ public class SetupDataTest extends ScreenshotTest {
 			throws DbException {
 		Context ctx = getApplicationContext();
 		String bobName = ctx.getString(R.string.screenshot_bob);
-		Contact bob = testDataCreator.addContact(bobName, true);
+		Contact bob = testDataCreator.addContact(bobName);
 
 		// TODO add messages
 

briar-android/src/androidTestScreenshot/java/org/briarproject/briar/android/settings/SettingsActivityScreenshotTest.java

@@ -16,7 +16,6 @@ import androidx.test.espresso.contrib.DrawerActions;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.rule.ActivityTestRule;
 
-import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
 import static androidx.test.espresso.Espresso.onView;
 import static androidx.test.espresso.action.ViewActions.click;
 import static androidx.test.espresso.assertion.ViewAssertions.matches;
@@ -30,9 +29,7 @@ import static androidx.test.espresso.matcher.ViewMatchers.withClassName;
 import static androidx.test.espresso.matcher.ViewMatchers.withId;
 import static androidx.test.espresso.matcher.ViewMatchers.withText;
 import static org.briarproject.briar.android.ViewActions.waitUntilMatches;
-import static org.briarproject.briar.android.util.UiUtils.hasScreenLock;
 import static org.hamcrest.CoreMatchers.is;
-import static org.junit.Assume.assumeTrue;
 
 @RunWith(AndroidJUnit4.class)
 public class SettingsActivityScreenshotTest extends ScreenshotTest {
@@ -79,8 +76,6 @@ public class SettingsActivityScreenshotTest extends ScreenshotTest {
 
 	@Test
 	public void appLock() {
-		assumeTrue("device has no screen lock",
-				hasScreenLock(getApplicationContext()));
 		// scroll down
 		onView(withClassName(is(RecyclerView.class.getName())))
 				.perform(scrollTo(hasDescendant(

briar-android/src/debug/java/org/briarproject/briar/android/test/TestAvatarCreatorImpl.java

@@ -1,105 +0,0 @@
-/*
- * Some code was taken from:
- *
- * RIG – Random Image Generator
- * https://github.com/stedi-akk/RandomImageGenerator
- * licenced under Apache2 license.
- */
-
-package org.briarproject.briar.android.test;
-
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Paint;
-import android.graphics.Rect;
-
-import org.briarproject.briar.android.attachment.media.ImageCompressor;
-import org.briarproject.briar.api.test.TestAvatarCreator;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Random;
-
-import javax.annotation.Nullable;
-import javax.inject.Inject;
-
-public class TestAvatarCreatorImpl implements TestAvatarCreator {
-	private final int WIDTH = 800;
-	private final int HEIGHT = 640;
-
-	private final Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
-	private final float[] hsv = new float[3];
-	private final Random random = new Random();
-
-	private final ImageCompressor imageCompressor;
-
-	@Inject
-	TestAvatarCreatorImpl(ImageCompressor imageCompressor) {
-		this.imageCompressor = imageCompressor;
-	}
-
-	@Nullable
-	@Override
-	public InputStream getAvatarInputStream() throws IOException {
-		Bitmap bitmap = generateBitmap();
-		return imageCompressor.compressImage(bitmap);
-	}
-
-	private Bitmap generateBitmap() {
-		// one pattern is boring, let's at least use two
-		if (random.nextBoolean()) {
-			return generateColoredPixels();
-		} else {
-			return generateColoredCircles();
-		}
-	}
-
-	private Bitmap generateColoredPixels() {
-		Bitmap bitmap = getBitmapWithRandomBackground();
-		Canvas canvas = new Canvas(bitmap);
-		Rect pixel = new Rect();
-		int pixelMultiplier = random.nextInt(500) + 1;
-		for (int x = 0; x < WIDTH; x += pixelMultiplier) {
-			for (int y = 0; y < HEIGHT; y += pixelMultiplier) {
-				pixel.set(x, y, x + pixelMultiplier, y + pixelMultiplier);
-				paint.setColor(getRandomColor());
-				canvas.drawRect(pixel, paint);
-			}
-		}
-		return bitmap;
-	}
-
-	private Bitmap generateColoredCircles() {
-		Bitmap bitmap = getBitmapWithRandomBackground();
-		int biggestSide = Math.max(WIDTH, HEIGHT);
-		int selectedCount = random.nextInt(10) + 2;
-		Canvas canvas = new Canvas(bitmap);
-		float radiusFrom = biggestSide / 12f;
-		float radiusTo = biggestSide / 4f;
-		for (int i = 0; i < selectedCount; i++) {
-			float cx = random.nextInt(WIDTH);
-			float cy = random.nextInt(HEIGHT);
-			float radius =
-					random.nextInt((int) (radiusTo - radiusFrom)) + radiusFrom;
-			paint.setColor(getRandomColor());
-			canvas.drawCircle(cx, cy, radius, paint);
-		}
-		return bitmap;
-	}
-
-	private Bitmap getBitmapWithRandomBackground() {
-		Bitmap bitmap =
-				Bitmap.createBitmap(WIDTH, HEIGHT, Bitmap.Config.ARGB_8888);
-		bitmap.eraseColor(getRandomColor());
-		return bitmap;
-	}
-
-	private int getRandomColor() {
-		hsv[0] = random.nextInt(360);
-		hsv[1] = random.nextFloat();
-		hsv[2] = 1f;
-		return Color.HSVToColor(hsv);
-	}
-
-}

briar-android/src/main/AndroidManifest.xml

@@ -27,10 +27,7 @@
 	<uses-permission android:name="android.permission.USE_FINGERPRINT" />
 	<uses-permission android:name="android.permission.VIBRATE" />
 	<uses-permission android:name="android.permission.WAKE_LOCK" />
-	<uses-permission
-		android:name="android.permission.WRITE_EXTERNAL_STORAGE"
-		android:maxSdkVersion="18"
-		tools:ignore="ScopedStorage" />
+	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
 	<uses-permission-sdk-23 android:name="android.permission.ACCESS_FINE_LOCATION" />
 	<uses-permission-sdk-23 android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
@@ -41,7 +38,6 @@
 		android:name="org.briarproject.briar.android.BriarApplicationImpl"
 		android:allowBackup="false"
 		android:banner="@mipmap/tv_banner"
-		android:fullBackupContent="@xml/backup_rules"
 		android:icon="@mipmap/ic_launcher_round"
 		android:label="@string/app_name"
 		android:logo="@mipmap/ic_launcher_round"
@@ -69,43 +65,30 @@
 
 		<service
 			android:name="org.briarproject.briar.android.NotificationCleanupService"
-			android:exported="false" />
+			android:exported="false"></service>
 
 		<activity
-			android:name="org.briarproject.briar.android.reporting.CrashReportActivity"
+			android:name="org.briarproject.briar.android.reporting.DevReportActivity"
 			android:excludeFromRecents="true"
 			android:exported="false"
 			android:finishOnTaskLaunch="true"
 			android:label="@string/crash_report_title"
 			android:launchMode="singleInstance"
-			android:process=":briar_error_handler"
 			android:theme="@style/BriarTheme.NoActionBar"
-			android:windowSoftInputMode="adjustResize|stateHidden" />
-
-		<activity
-			android:name="org.briarproject.briar.android.reporting.FeedbackActivity"
-			android:exported="false"
-			android:label="@string/feedback_title"
-			android:parentActivityName="org.briarproject.briar.android.settings.SettingsActivity"
-			android:theme="@style/BriarTheme.NoActionBar"
-			android:windowSoftInputMode="adjustResize|stateHidden">
-			<meta-data
-				android:name="android.support.PARENT_ACTIVITY"
-				android:value="org.briarproject.briar.android.settings.SettingsActivity" />
-		</activity>
+			android:windowSoftInputMode="adjustResize|stateHidden"></activity>
 
 		<activity
 			android:name="org.briarproject.briar.android.splash.ExpiredActivity"
-			android:label="@string/app_name" />
+			android:label="@string/app_name"></activity>
 
 		<activity
 			android:name="org.briarproject.briar.android.login.StartupActivity"
-			android:label="@string/app_name" />
+			android:label="@string/app_name"></activity>
 
 		<activity
 			android:name="org.briarproject.briar.android.account.SetupActivity"
 			android:label="@string/setup_title"
-			android:windowSoftInputMode="adjustResize|stateAlwaysVisible" />
+			android:windowSoftInputMode="adjustResize|stateAlwaysVisible"></activity>
 
 		<activity
 			android:name="org.briarproject.briar.android.splash.SplashScreenActivity"
@@ -363,7 +346,7 @@
 
 		<activity
 			android:name="org.briarproject.briar.android.StartupFailureActivity"
-			android:label="@string/startup_failed_activity_title" />
+			android:label="@string/startup_failed_activity_title"></activity>
 
 		<activity
 			android:name="org.briarproject.briar.android.settings.SettingsActivity"
@@ -429,11 +412,11 @@
 
 		<activity
 			android:name="org.briarproject.briar.android.logout.ExitActivity"
-			android:theme="@android:style/Theme.NoDisplay" />
+			android:theme="@android:style/Theme.NoDisplay"></activity>
 
 		<activity
 			android:name=".android.logout.HideUiActivity"
-			android:theme="@android:style/Theme.NoDisplay" />
+			android:theme="@android:style/Theme.NoDisplay"></activity>
 
 		<activity
 			android:name=".android.account.UnlockActivity"
@@ -453,29 +436,4 @@
 			android:theme="@style/BriarTheme" />
 
 	</application>
-
-	<queries>
-		<package android:name="info.guardianproject.ripple" />
-		<package android:name="com.huawei.systemmanager" />
-		<package android:name="com.huawei.powergenie" />
-		<package android:name="com.evenwell.PowerMonitor" />
-
-		<intent>
-			<action android:name="android.intent.action.VIEW" />
-			<data android:scheme="https" />
-		</intent>
-		<intent>
-			<action android:name="android.intent.action.VIEW" />
-			<data android:scheme="http" />
-		</intent>
-		<!-- white-listing the intents below does not seem necessary,
-		but they are still included in case modified Android versions require it -->
-		<intent>
-			<action android:name="android.bluetooth.adapter.action.REQUEST_DISCOVERABLE" />
-		</intent>
-		<intent>
-			<action android:name="android.settings.CHANNEL_NOTIFICATION_SETTINGS" />
-		</intent>
-	</queries>
-
 </manifest>

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

@@ -14,7 +14,6 @@ import org.briarproject.bramble.api.contact.ContactManager;
 import org.briarproject.bramble.api.crypto.CryptoExecutor;
 import org.briarproject.bramble.api.crypto.PasswordStrengthEstimator;
 import org.briarproject.bramble.api.db.DatabaseExecutor;
-import org.briarproject.bramble.api.db.TransactionManager;
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.identity.IdentityManager;
 import org.briarproject.bramble.api.keyagreement.KeyAgreementTask;
@@ -32,16 +31,14 @@ import org.briarproject.bramble.plugin.tor.CircumventionProvider;
 import org.briarproject.briar.BriarCoreEagerSingletons;
 import org.briarproject.briar.BriarCoreModule;
 import org.briarproject.briar.android.attachment.AttachmentModule;
-import org.briarproject.briar.android.attachment.media.MediaModule;
 import org.briarproject.briar.android.conversation.glide.BriarModelLoader;
-import org.briarproject.briar.android.logging.CachingLogHandler;
 import org.briarproject.briar.android.login.SignInReminderReceiver;
+import org.briarproject.briar.android.reporting.BriarReportSender;
 import org.briarproject.briar.android.view.EmojiTextInputView;
 import org.briarproject.briar.api.android.AndroidNotificationManager;
 import org.briarproject.briar.api.android.DozeWatchdog;
 import org.briarproject.briar.api.android.LockManager;
 import org.briarproject.briar.api.android.ScreenFilterMonitor;
-import org.briarproject.briar.api.attachment.AttachmentReader;
 import org.briarproject.briar.api.blog.BlogManager;
 import org.briarproject.briar.api.blog.BlogPostFactory;
 import org.briarproject.briar.api.blog.BlogSharingManager;
@@ -50,7 +47,6 @@ import org.briarproject.briar.api.conversation.ConversationManager;
 import org.briarproject.briar.api.feed.FeedManager;
 import org.briarproject.briar.api.forum.ForumManager;
 import org.briarproject.briar.api.forum.ForumSharingManager;
-import org.briarproject.briar.api.identity.AuthorManager;
 import org.briarproject.briar.api.introduction.IntroductionManager;
 import org.briarproject.briar.api.messaging.MessagingManager;
 import org.briarproject.briar.api.messaging.PrivateMessageFactory;
@@ -75,8 +71,7 @@ import dagger.Component;
 		BrambleAndroidModule.class,
 		BriarAccountModule.class,
 		AppModule.class,
-		AttachmentModule.class,
-		MediaModule.class
+		AttachmentModule.class
 })
 public interface AndroidComponent
 		extends BrambleCoreEagerSingletons, BrambleAndroidEagerSingletons,
@@ -91,18 +86,12 @@ public interface AndroidComponent
 	@DatabaseExecutor
 	Executor databaseExecutor();
 
-	TransactionManager transactionManager();
-
 	MessageTracker messageTracker();
 
 	LifecycleManager lifecycleManager();
 
 	IdentityManager identityManager();
 
-	AttachmentReader attachmentReader();
-
-	AuthorManager authorManager();
-
 	PluginManager pluginManager();
 
 	EventBus eventBus();
@@ -180,14 +169,12 @@ public interface AndroidComponent
 
 	AndroidWakeLockManager wakeLockManager();
 
-	CachingLogHandler logHandler();
-
-	Thread.UncaughtExceptionHandler exceptionHandler();
-
 	void inject(SignInReminderReceiver briarService);
 
 	void inject(BriarService briarService);
 
+	void inject(BriarReportSender briarReportSender);
+
 	void inject(NotificationCleanupService notificationCleanupService);
 
 	void inject(EmojiTextInputView textInputView);

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

@@ -109,8 +109,7 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 	@Nullable
 	private GroupId blockedGroup = null;
 	private boolean blockSignInReminder = false;
-	private boolean blockForums = false, blockGroups = false,
-			blockBlogs = false;
+	private boolean blockBlogs = false;
 	private long lastSound = 0;
 
 	private volatile Settings settings = new Settings();
@@ -224,8 +223,8 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 			if (s.getNamespace().equals(SETTINGS_NAMESPACE))
 				settings = s.getSettings();
 		} else if (e instanceof ConversationMessageReceivedEvent) {
-			ConversationMessageReceivedEvent<?> p =
-					(ConversationMessageReceivedEvent<?>) e;
+			ConversationMessageReceivedEvent p =
+					(ConversationMessageReceivedEvent) e;
 			showContactNotification(p.getContactId());
 		} else if (e instanceof GroupMessageAddedEvent) {
 			GroupMessageAddedEvent g = (GroupMessageAddedEvent) e;
@@ -255,7 +254,7 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 				R.string.ongoing_notification_title;
 		int text = locked ? R.string.lock_tap_to_unlock :
 				R.string.ongoing_notification_text;
-		int icon = locked ? R.drawable.notification_lock :
+		int icon = locked ? R.drawable.startup_lock :
 				R.drawable.notification_ongoing;
 		// Ongoing foreground notification that shows BriarService is running
 		NotificationCompat.Builder b =
@@ -386,7 +385,6 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 
 	@UiThread
 	private void showGroupMessageNotification(GroupId g) {
-		if (blockGroups) return;
 		if (g.equals(blockedGroup)) return;
 		groupCounts.add(g);
 		updateGroupMessageNotification(true);
@@ -454,7 +452,6 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 
 	@UiThread
 	private void showForumPostNotification(GroupId g) {
-		if (blockForums) return;
 		if (g.equals(blockedGroup)) return;
 		forumCounts.add(g);
 		updateForumPostNotification(true);
@@ -624,7 +621,7 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 
 		NotificationCompat.Builder b =
 				new NotificationCompat.Builder(appContext, REMINDER_CHANNEL_ID);
-		b.setSmallIcon(R.drawable.notification_signout);
+		b.setSmallIcon(R.drawable.ic_signout);
 		b.setColor(getColor(appContext, R.color.briar_primary));
 		b.setContentTitle(
 				appContext.getText(R.string.reminder_notification_title));
@@ -684,26 +681,6 @@ class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 		});
 	}
 
-	@Override
-	public void blockAllForumPostNotifications() {
-		androidExecutor.runOnUiThread((Runnable) () -> blockForums = true);
-	}
-
-	@Override
-	public void unblockAllForumPostNotifications() {
-		androidExecutor.runOnUiThread((Runnable) () -> blockForums = false);
-	}
-
-	@Override
-	public void blockAllGroupMessageNotifications() {
-		androidExecutor.runOnUiThread((Runnable) () -> blockGroups = true);
-	}
-
-	@Override
-	public void unblockAllGroupMessageNotifications() {
-		androidExecutor.runOnUiThread((Runnable) () -> blockGroups = false);
-	}
-
 	@Override
 	public void blockAllBlogPostNotifications() {
 		androidExecutor.runOnUiThread((Runnable) () -> blockBlogs = true);

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

@@ -27,29 +27,15 @@ import org.briarproject.bramble.plugin.tcp.AndroidLanTcpPluginFactory;
 import org.briarproject.bramble.plugin.tor.AndroidTorPluginFactory;
 import org.briarproject.bramble.util.AndroidUtils;
 import org.briarproject.bramble.util.StringUtils;
-import org.briarproject.briar.android.account.DozeHelperModule;
 import org.briarproject.briar.android.account.LockManagerImpl;
-import org.briarproject.briar.android.account.SetupModule;
-import org.briarproject.briar.android.blog.BlogModule;
-import org.briarproject.briar.android.contact.ContactListModule;
-import org.briarproject.briar.android.forum.ForumModule;
-import org.briarproject.briar.android.introduction.IntroductionModule;
 import org.briarproject.briar.android.keyagreement.ContactExchangeModule;
-import org.briarproject.briar.android.logging.LoggingModule;
 import org.briarproject.briar.android.login.LoginModule;
 import org.briarproject.briar.android.navdrawer.NavDrawerModule;
-import org.briarproject.briar.android.privategroup.conversation.GroupConversationModule;
-import org.briarproject.briar.android.privategroup.list.GroupListModule;
-import org.briarproject.briar.android.reporting.DevReportModule;
-import org.briarproject.briar.android.settings.SettingsModule;
-import org.briarproject.briar.android.sharing.SharingModule;
-import org.briarproject.briar.android.test.TestAvatarCreatorImpl;
 import org.briarproject.briar.android.viewmodel.ViewModelModule;
 import org.briarproject.briar.api.android.AndroidNotificationManager;
 import org.briarproject.briar.api.android.DozeWatchdog;
 import org.briarproject.briar.api.android.LockManager;
 import org.briarproject.briar.api.android.ScreenFilterMonitor;
-import org.briarproject.briar.api.test.TestAvatarCreator;
 
 import java.io.File;
 import java.security.GeneralSecurityException;
@@ -74,23 +60,10 @@ import static org.briarproject.bramble.api.reporting.ReportingConstants.DEV_PUBL
 import static org.briarproject.briar.android.TestingConstants.IS_DEBUG_BUILD;
 
 @Module(includes = {
-		SetupModule.class,
-		DozeHelperModule.class,
 		ContactExchangeModule.class,
-		LoggingModule.class,
 		LoginModule.class,
 		NavDrawerModule.class,
-		ViewModelModule.class,
-		SettingsModule.class,
-		DevReportModule.class,
-		ContactListModule.class,
-		IntroductionModule.class,
-		// below need to be within same scope as ViewModelProvider.Factory
-		BlogModule.class,
-		ForumModule.class,
-		GroupListModule.class,
-		GroupConversationModule.class,
-		SharingModule.class,
+		ViewModelModule.class
 })
 public class AppModule {
 
@@ -198,21 +171,10 @@ public class AppModule {
 			public File getReportDir() {
 				return AndroidUtils.getReportDir(app.getApplicationContext());
 			}
-
-			@Override
-			public File getLogcatFile() {
-				return AndroidUtils.getLogcatFile(app.getApplicationContext());
-			}
 		};
 		return devConfig;
 	}
 
-	@Provides
-	TestAvatarCreator provideTestAvatarCreator(
-			TestAvatarCreatorImpl testAvatarCreator) {
-		return testAvatarCreator;
-	}
-
 	@Provides
 	SharedPreferences provideSharedPreferences(Application app) {
 		// FIXME unify this with getDefaultSharedPreferences()
@@ -234,10 +196,7 @@ public class AppModule {
 	ScreenFilterMonitor provideScreenFilterMonitor(
 			LifecycleManager lifecycleManager,
 			ScreenFilterMonitorImpl screenFilterMonitor) {
-		if (SDK_INT <= 29) {
-			// this keeps track of installed apps and does not work on API 30+
-			lifecycleManager.registerService(screenFilterMonitor);
-		}
+		lifecycleManager.registerService(screenFilterMonitor);
 		return screenFilterMonitor;
 	}
 
@@ -276,17 +235,6 @@ public class AppModule {
 
 	@Provides
 	FeatureFlags provideFeatureFlags() {
-		return new FeatureFlags() {
-
-			@Override
-			public boolean shouldEnableImageAttachments() {
-				return IS_DEBUG_BUILD;
-			}
-
-			@Override
-			public boolean shouldEnableProfilePictures() {
-				return IS_DEBUG_BUILD;
-			}
-		};
+		return () -> IS_DEBUG_BUILD;
 	}
 }

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

@@ -6,6 +6,9 @@ import android.content.SharedPreferences;
 import org.briarproject.bramble.BrambleApplication;
 import org.briarproject.briar.android.navdrawer.NavDrawerActivity;
 
+import java.util.Collection;
+import java.util.logging.LogRecord;
+
 /**
  * This exists so that the Application object will not necessarily be cast
  * directly to the Briar application object.
@@ -14,6 +17,8 @@ public interface BriarApplication extends BrambleApplication {
 
 	Class<? extends Activity> ENTRY_ACTIVITY = NavDrawerActivity.class;
 
+	Collection<LogRecord> getRecentLogRecords();
+
 	AndroidComponent getApplicationComponent();
 
 	SharedPreferences getDefaultSharedPreferences();

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

@@ -14,32 +14,78 @@ import android.preference.PreferenceManager;
 import com.vanniktech.emoji.EmojiManager;
 import com.vanniktech.emoji.google.GoogleEmojiProvider;
 
+import org.acra.ACRA;
+import org.acra.ReportingInteractionMode;
+import org.acra.annotation.ReportsCrashes;
 import org.briarproject.bramble.BrambleAndroidEagerSingletons;
 import org.briarproject.bramble.BrambleAppComponent;
 import org.briarproject.bramble.BrambleCoreEagerSingletons;
 import org.briarproject.briar.BriarCoreEagerSingletons;
+import org.briarproject.briar.BuildConfig;
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.logging.CachingLogHandler;
+import org.briarproject.briar.android.reporting.BriarReportPrimer;
+import org.briarproject.briar.android.reporting.BriarReportSenderFactory;
+import org.briarproject.briar.android.reporting.DevReportActivity;
 import org.briarproject.briar.android.util.UiUtils;
 
-import java.lang.Thread.UncaughtExceptionHandler;
+import java.util.Collection;
 import java.util.logging.Handler;
+import java.util.logging.LogRecord;
 import java.util.logging.Logger;
 
-import androidx.annotation.NonNull;
-
 import static android.app.ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND;
 import static java.util.logging.Level.FINE;
 import static java.util.logging.Level.INFO;
 import static java.util.logging.Logger.getLogger;
+import static org.acra.ReportField.ANDROID_VERSION;
+import static org.acra.ReportField.APP_VERSION_CODE;
+import static org.acra.ReportField.APP_VERSION_NAME;
+import static org.acra.ReportField.BRAND;
+import static org.acra.ReportField.BUILD_CONFIG;
+import static org.acra.ReportField.CRASH_CONFIGURATION;
+import static org.acra.ReportField.CUSTOM_DATA;
+import static org.acra.ReportField.DEVICE_FEATURES;
+import static org.acra.ReportField.DISPLAY;
+import static org.acra.ReportField.INITIAL_CONFIGURATION;
+import static org.acra.ReportField.PACKAGE_NAME;
+import static org.acra.ReportField.PHONE_MODEL;
+import static org.acra.ReportField.PRODUCT;
+import static org.acra.ReportField.REPORT_ID;
+import static org.acra.ReportField.STACK_TRACE;
+import static org.acra.ReportField.USER_APP_START_DATE;
+import static org.acra.ReportField.USER_CRASH_DATE;
 import static org.briarproject.briar.android.TestingConstants.IS_DEBUG_BUILD;
 
+@ReportsCrashes(
+		reportPrimerClass = BriarReportPrimer.class,
+		logcatArguments = {"-d", "-v", "time", "*:I"},
+		reportSenderFactoryClasses = {BriarReportSenderFactory.class},
+		mode = ReportingInteractionMode.DIALOG,
+		reportDialogClass = DevReportActivity.class,
+		resDialogOkToast = R.string.dev_report_saved,
+		deleteOldUnsentReportsOnApplicationStart = false,
+		buildConfigClass = BuildConfig.class,
+		customReportContent = {
+				REPORT_ID,
+				APP_VERSION_CODE, APP_VERSION_NAME, PACKAGE_NAME,
+				PHONE_MODEL, ANDROID_VERSION, BRAND, PRODUCT,
+				BUILD_CONFIG,
+				CUSTOM_DATA,
+				STACK_TRACE,
+				INITIAL_CONFIGURATION, CRASH_CONFIGURATION,
+				DISPLAY, DEVICE_FEATURES,
+				USER_APP_START_DATE, USER_CRASH_DATE
+		}
+)
 public class BriarApplicationImpl extends Application
 		implements BriarApplication {
 
 	private static final Logger LOG =
 			getLogger(BriarApplicationImpl.class.getName());
 
+	private final CachingLogHandler logHandler = new CachingLogHandler();
+
 	private AndroidComponent applicationComponent;
 	private volatile SharedPreferences prefs;
 
@@ -51,8 +97,8 @@ public class BriarApplicationImpl extends Application
 		Localizer.initialize(prefs);
 		super.attachBaseContext(
 				Localizer.getInstance().setLocale(base));
-		Localizer.getInstance().setLocale(this);
 		setTheme(base, prefs);
+		ACRA.init(this);
 	}
 
 	@Override
@@ -61,11 +107,6 @@ public class BriarApplicationImpl extends Application
 
 		if (IS_DEBUG_BUILD) enableStrictMode();
 
-		applicationComponent = createApplicationComponent();
-		UncaughtExceptionHandler exceptionHandler =
-				applicationComponent.exceptionHandler();
-		Thread.setDefaultUncaughtExceptionHandler(exceptionHandler);
-
 		Logger rootLogger = getLogger("");
 		Handler[] handlers = rootLogger.getHandlers();
 		// Disable the Android logger for release builds
@@ -77,12 +118,12 @@ public class BriarApplicationImpl extends Application
 			// Restore the default handlers after the level raising handler
 			for (Handler handler : handlers) rootLogger.addHandler(handler);
 		}
-		CachingLogHandler logHandler = applicationComponent.logHandler();
 		rootLogger.addHandler(logHandler);
 		rootLogger.setLevel(IS_DEBUG_BUILD ? FINE : INFO);
 
 		LOG.info("Created");
 
+		applicationComponent = createApplicationComponent();
 		EmojiManager.install(new GoogleEmojiProvider());
 	}
 
@@ -103,7 +144,7 @@ public class BriarApplicationImpl extends Application
 	}
 
 	@Override
-	public void onConfigurationChanged(@NonNull Configuration newConfig) {
+	public void onConfigurationChanged(Configuration newConfig) {
 		super.onConfigurationChanged(newConfig);
 		Localizer.getInstance().setLocale(this);
 	}
@@ -135,6 +176,11 @@ public class BriarApplicationImpl extends Application
 		return applicationComponent;
 	}
 
+	@Override
+	public Collection<LogRecord> getRecentLogRecords() {
+		return logHandler.getRecentLogRecords();
+	}
+
 	@Override
 	public AndroidComponent getApplicationComponent() {
 		return applicationComponent;

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

@@ -14,8 +14,6 @@ import android.content.ServiceConnection;
 import android.os.Binder;
 import android.os.IBinder;
 
-import com.bumptech.glide.Glide;
-
 import org.briarproject.bramble.api.account.AccountManager;
 import org.briarproject.bramble.api.crypto.SecretKey;
 import org.briarproject.bramble.api.lifecycle.LifecycleManager;
@@ -37,7 +35,7 @@ import javax.inject.Inject;
 import androidx.core.app.NotificationCompat;
 
 import static android.app.NotificationManager.IMPORTANCE_DEFAULT;
-import static android.app.NotificationManager.IMPORTANCE_LOW;
+import static android.app.NotificationManager.IMPORTANCE_NONE;
 import static android.app.PendingIntent.FLAG_UPDATE_CURRENT;
 import static android.content.Intent.ACTION_SHUTDOWN;
 import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK;
@@ -46,7 +44,6 @@ import static android.content.Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS;
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
 import static android.content.Intent.FLAG_ACTIVITY_NO_ANIMATION;
 import static android.os.Build.VERSION.SDK_INT;
-import static android.os.Process.myPid;
 import static androidx.core.app.NotificationCompat.VISIBILITY_SECRET;
 import static java.util.logging.Level.INFO;
 import static java.util.logging.Level.WARNING;
@@ -57,10 +54,8 @@ import static org.briarproject.briar.android.BriarApplication.ENTRY_ACTIVITY;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.FAILURE_CHANNEL_ID;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.FAILURE_NOTIFICATION_ID;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.ONGOING_CHANNEL_ID;
-import static org.briarproject.briar.api.android.AndroidNotificationManager.ONGOING_CHANNEL_OLD_ID;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.ONGOING_NOTIFICATION_ID;
 import static org.briarproject.briar.api.android.LockManager.ACTION_LOCK;
-import static org.briarproject.briar.api.android.LockManager.EXTRA_PID;
 
 public class BriarService extends Service {
 
@@ -123,17 +118,11 @@ public class BriarService extends Service {
 			if (SDK_INT >= 26) {
 				NotificationManager nm = (NotificationManager)
 						requireNonNull(getSystemService(NOTIFICATION_SERVICE));
-				// Delete the old notification channel, which had
-				// IMPORTANCE_NONE and showed a badge
-				nm.deleteNotificationChannel(ONGOING_CHANNEL_OLD_ID);
-				// Use IMPORTANCE_LOW so the system doesn't show its own
-				// notification on API 26-27
 				NotificationChannel ongoingChannel = new NotificationChannel(
 						ONGOING_CHANNEL_ID,
 						getString(R.string.ongoing_notification_title),
-						IMPORTANCE_LOW);
+						IMPORTANCE_NONE);
 				ongoingChannel.setLockscreenVisibility(VISIBILITY_SECRET);
-				ongoingChannel.setShowBadge(false);
 				nm.createNotificationChannel(ongoingChannel);
 				NotificationChannel failureChannel = new NotificationChannel(
 						FAILURE_CHANNEL_ID,
@@ -179,7 +168,6 @@ public class BriarService extends Service {
 	@Override
 	protected void attachBaseContext(Context base) {
 		super.attachBaseContext(Localizer.getInstance().setLocale(base));
-		Localizer.getInstance().setLocale(this);
 	}
 
 	private void showStartupFailureNotification(StartResult result) {
@@ -212,12 +200,7 @@ public class BriarService extends Service {
 	@Override
 	public int onStartCommand(Intent intent, int flags, int startId) {
 		if (ACTION_LOCK.equals(intent.getAction())) {
-			int pid = intent.getIntExtra(EXTRA_PID, -1);
-			if (pid == myPid()) lockManager.setLocked(true);
-			else if (LOG.isLoggable(WARNING)) {
-				LOG.warning("Tried to lock process " + pid + " but this is " +
-						myPid());
-			}
+			lockManager.setLocked(true);
 		}
 		return START_NOT_STICKY; // Don't restart automatically if killed
 	}
@@ -263,13 +246,10 @@ public class BriarService extends Service {
 			LOG.info("Trim memory: near end of LRU list");
 		} else if (level == TRIM_MEMORY_RUNNING_MODERATE) {
 			LOG.info("Trim memory: running moderately low");
-			Glide.get(getApplicationContext()).clearMemory();
 		} else if (level == TRIM_MEMORY_RUNNING_LOW) {
 			LOG.info("Trim memory: running low");
-			// TODO investigate if we can clear Glide cache here as well
 		} else if (level == TRIM_MEMORY_RUNNING_CRITICAL) {
 			LOG.warning("Trim memory: running critically low");
-			// TODO investigate if we can clear Glide cache here as well
 			// If we're not in the foreground, clear the UI to save memory
 			if (app.isRunningInBackground()) hideUi();
 		} else if (LOG.isLoggable(INFO)) {

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

@@ -68,21 +68,7 @@ public class Localizer {
 			return new Locale(tag);
 	}
 
-	/*
-	 * Apply localization to the specified context.
-	 *
-	 * It updates the configuration of the context's resources object but can
-	 * also return a new context derived from the context parameter. Hence
-	 * make sure to work with the return value of this method instead of
-	 * the context you passed as a parameter.
-	 *
-	 * This method also has side-effects as it calls Locale#setDefault().
-	 *
-	 * When using this in attachBaseContext() of Application, Service or
-	 * Activity subclasses, it is important to not only apply this method to the
-	 * base Context parameter received in that method, but also apply it on the
-	 * class itself which also extends Context.
-	 */
+	// Returns the localized version of context
 	public Context setLocale(Context context) {
 		Resources res = context.getResources();
 		Configuration conf = res.getConfiguration();
@@ -96,7 +82,7 @@ public class Localizer {
 		Locale.setDefault(locale);
 		if (SDK_INT >= 17) {
 			conf.setLocale(locale);
-			context = context.createConfigurationContext(conf);
+			context.createConfigurationContext(conf);
 		} else
 			conf.locale = locale;
 		//noinspection deprecation

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

@@ -58,7 +58,7 @@ class ScreenFilterMonitorImpl implements ScreenFilterMonitor, Service {
 			Logger.getLogger(ScreenFilterMonitorImpl.class.getName());
 
 	/*
-	 * Ignore Play Services if it uses this package name and public key - it's
+ 	 * Ignore Play Services if it uses this package name and public key - it's
 	 * effectively a system app, but not flagged as such on older systems
 	 */
 	private static final String PLAY_SERVICES_PACKAGE =
@@ -108,7 +108,7 @@ class ScreenFilterMonitorImpl implements ScreenFilterMonitor, Service {
 		Set<String> allowed = prefs.getStringSet(PREF_KEY_ALLOWED,
 				Collections.emptySet());
 		List<AppDetails> apps = new ArrayList<>();
-		@SuppressLint("QueryPermissionsNeeded") List<PackageInfo> packageInfos =
+		List<PackageInfo> packageInfos =
 				pm.getInstalledPackages(GET_PERMISSIONS);
 		for (PackageInfo packageInfo : packageInfos) {
 			if (!allowed.contains(packageInfo.packageName)

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

@@ -17,6 +17,7 @@ import org.briarproject.briar.android.activity.ActivityComponent;
 
 import javax.annotation.Nullable;
 
+import static java.util.Objects.requireNonNull;
 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.setError;
@@ -44,7 +45,7 @@ public class AuthorNameFragment extends SetupFragment {
 	public View onCreateView(LayoutInflater inflater,
 			@Nullable ViewGroup container,
 			@Nullable Bundle savedInstanceState) {
-		requireActivity().setTitle(getString(R.string.setup_title));
+		requireNonNull(getActivity()).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);
@@ -81,7 +82,8 @@ public class AuthorNameFragment extends SetupFragment {
 	public void onClick(View view) {
 		Editable text = authorNameInput.getText();
 		if (text != null) {
-			viewModel.setAuthorName(text.toString().trim());
+			setupController.setAuthorName(text.toString().trim());
+			setupController.showPasswordFragment();
 		}
 	}
 

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

@@ -20,6 +20,7 @@ import androidx.annotation.Nullable;
 
 import static android.view.View.INVISIBLE;
 import static android.view.View.VISIBLE;
+import static java.util.Objects.requireNonNull;
 import static org.briarproject.briar.android.activity.RequestCodes.REQUEST_DOZE_WHITELISTING;
 import static org.briarproject.briar.android.util.UiUtils.showOnboardingDialog;
 
@@ -33,6 +34,7 @@ public class DozeFragment extends SetupFragment
 	private DozeView dozeView;
 	private HuaweiView huaweiView;
 	private Button next;
+	private ProgressBar progressBar;
 	private boolean secondAttempt = false;
 
 	public static DozeFragment newInstance() {
@@ -48,28 +50,20 @@ public class DozeFragment extends SetupFragment
 	public View onCreateView(LayoutInflater inflater,
 			@Nullable ViewGroup container,
 			@Nullable Bundle savedInstanceState) {
-		requireActivity().setTitle(getString(R.string.setup_doze_title));
+		requireNonNull(getActivity()).setTitle(getString(R.string.setup_doze_title));
 		setHasOptionsMenu(false);
 		View v = inflater.inflate(R.layout.fragment_setup_doze, container,
-				false);
+						false);
 		dozeView = v.findViewById(R.id.dozeView);
 		dozeView.setOnCheckedChangedListener(this);
 		huaweiView = v.findViewById(R.id.huaweiView);
 		huaweiView.setOnCheckedChangedListener(this);
 		next = v.findViewById(R.id.next);
-		ProgressBar progressBar = v.findViewById(R.id.progress);
+		progressBar = v.findViewById(R.id.progress);
 
 		dozeView.setOnButtonClickListener(this::askForDozeWhitelisting);
 		next.setOnClickListener(this);
 
-		viewModel.getIsCreatingAccount()
-				.observe(getViewLifecycleOwner(), isCreatingAccount -> {
-					if (isCreatingAccount) {
-						next.setVisibility(INVISIBLE);
-						progressBar.setVisibility(VISIBLE);
-					}
-				});
-
 		return v;
 	}
 
@@ -84,8 +78,7 @@ public class DozeFragment extends SetupFragment
 	}
 
 	@Override
-	public void onActivityResult(int request, int result,
-			@Nullable Intent data) {
+	public void onActivityResult(int request, int result, Intent data) {
 		super.onActivityResult(request, result, data);
 		if (request == REQUEST_DOZE_WHITELISTING) {
 			if (!dozeView.needsToBeShown() || secondAttempt) {
@@ -99,7 +92,11 @@ public class DozeFragment extends SetupFragment
 
 	@Override
 	public void onCheckedChanged() {
-		next.setEnabled(dozeView.isChecked() && huaweiView.isChecked());
+		if (dozeView.isChecked() && huaweiView.isChecked()) {
+			next.setEnabled(true);
+		} else {
+			next.setEnabled(false);
+		}
 	}
 
 	@SuppressLint("BatteryLife")
@@ -111,6 +108,9 @@ public class DozeFragment extends SetupFragment
 
 	@Override
 	public void onClick(View view) {
-		viewModel.dozeExceptionConfirmed();
+		next.setVisibility(INVISIBLE);
+		progressBar.setVisibility(VISIBLE);
+		setupController.createAccount();
 	}
+
 }

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

@@ -1,8 +0,0 @@
-package org.briarproject.briar.android.account;
-
-import android.content.Context;
-
-interface DozeHelper {
-
-	boolean needToShowDozeFragment(Context context);
-}

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

@@ -1,14 +0,0 @@
-package org.briarproject.briar.android.account;
-
-import android.content.Context;
-
-import static org.briarproject.briar.android.account.HuaweiView.needsToBeShown;
-import static org.briarproject.briar.android.util.UiUtils.needsDozeWhitelisting;
-
-class DozeHelperImpl implements DozeHelper {
-	@Override
-	public boolean needToShowDozeFragment(Context context) {
-		return needsDozeWhitelisting(context.getApplicationContext()) ||
-				needsToBeShown(context.getApplicationContext());
-	}
-}

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

@@ -1,13 +0,0 @@
-package org.briarproject.briar.android.account;
-
-import dagger.Module;
-import dagger.Provides;
-
-@Module
-public class DozeHelperModule {
-
-	@Provides
-	DozeHelper provideDozeHelper() {
-		return new DozeHelperImpl();
-	}
-}

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

@@ -32,10 +32,8 @@ import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 
 import static android.app.AlarmManager.ELAPSED_REALTIME;
-import static android.app.PendingIntent.FLAG_UPDATE_CURRENT;
 import static android.app.PendingIntent.getService;
 import static android.content.Context.ALARM_SERVICE;
-import static android.os.Process.myPid;
 import static android.os.SystemClock.elapsedRealtime;
 import static java.util.concurrent.TimeUnit.MINUTES;
 import static java.util.logging.Level.WARNING;
@@ -77,25 +75,23 @@ public class LockManagerImpl implements LockManager, Service, EventListener {
 	LockManagerImpl(Application app, SettingsManager settingsManager,
 			AndroidNotificationManager notificationManager,
 			@DatabaseExecutor Executor dbExecutor) {
-		appContext = app.getApplicationContext();
+		this.appContext = app.getApplicationContext();
 		this.settingsManager = settingsManager;
 		this.notificationManager = notificationManager;
 		this.dbExecutor = dbExecutor;
-		alarmManager =
+		this.alarmManager =
 				(AlarmManager) appContext.getSystemService(ALARM_SERVICE);
 		Intent i =
 				new Intent(ACTION_LOCK, null, appContext, BriarService.class);
-		i.putExtra(EXTRA_PID, myPid());
-		// When not using FLAG_UPDATE_CURRENT, the intent might have no extras
-		lockIntent = getService(appContext, 0, i, FLAG_UPDATE_CURRENT);
-		timeoutNever = Integer.parseInt(
+		this.lockIntent = getService(appContext, 0, i, 0);
+		this.timeoutNever = Integer.valueOf(
 				appContext.getString(R.string.pref_lock_timeout_value_never));
-		timeoutDefault = Integer.parseInt(
+		this.timeoutDefault = Integer.valueOf(
 				appContext.getString(R.string.pref_lock_timeout_value_default));
-		timeoutMinutes = timeoutNever;
+		this.timeoutMinutes = timeoutNever;
 
 		// setting this in the constructor makes #getValue() @NonNull
-		lockable.setValue(false);
+		this.lockable.setValue(false);
 	}
 
 	@Override
@@ -152,7 +148,7 @@ public class LockManagerImpl implements LockManager, Service, EventListener {
 		boolean oldValue = lockable.getValue();
 		boolean newValue = hasScreenLock(appContext) && lockableSetting;
 		if (oldValue != newValue) {
-			lockable.setValue(newValue);
+			this.lockable.setValue(newValue);
 		}
 	}
 

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

@@ -24,12 +24,14 @@ import static android.content.Context.INPUT_METHOD_SERVICE;
 import static android.view.View.INVISIBLE;
 import static android.view.View.VISIBLE;
 import static android.view.inputmethod.EditorInfo.IME_ACTION_DONE;
+import static java.util.Objects.requireNonNull;
 import static org.briarproject.bramble.api.crypto.PasswordStrengthEstimator.QUITE_WEAK;
 import static org.briarproject.briar.android.util.UiUtils.setError;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
 public class SetPasswordFragment extends SetupFragment {
+
 	private final static String TAG = SetPasswordFragment.class.getName();
 
 	private TextInputLayout passwordEntryWrapper;
@@ -38,6 +40,7 @@ public class SetPasswordFragment extends SetupFragment {
 	private TextInputEditText passwordConfirmation;
 	private StrengthMeter strengthMeter;
 	private Button nextButton;
+	private ProgressBar progressBar;
 
 	public static SetPasswordFragment newInstance() {
 		return new SetPasswordFragment();
@@ -52,9 +55,9 @@ public class SetPasswordFragment extends SetupFragment {
 	public View onCreateView(LayoutInflater inflater,
 			@Nullable ViewGroup container,
 			@Nullable Bundle savedInstanceState) {
-		requireActivity().setTitle(getString(R.string.setup_password_intro));
+		requireNonNull(getActivity()).setTitle(getString(R.string.setup_password_intro));
 		View v = inflater.inflate(R.layout.fragment_setup_password, container,
-				false);
+						false);
 
 		strengthMeter = v.findViewById(R.id.strength_meter);
 		passwordEntryWrapper = v.findViewById(R.id.password_entry_wrapper);
@@ -63,28 +66,17 @@ public class SetPasswordFragment extends SetupFragment {
 				v.findViewById(R.id.password_confirm_wrapper);
 		passwordConfirmation = v.findViewById(R.id.password_confirm);
 		nextButton = v.findViewById(R.id.next);
-		ProgressBar progressBar = v.findViewById(R.id.progress);
+		progressBar = v.findViewById(R.id.progress);
 
 		passwordEntry.addTextChangedListener(this);
 		passwordConfirmation.addTextChangedListener(this);
 		nextButton.setOnClickListener(this);
 
-		if (!viewModel.needToShowDozeFragment()) {
+		if (!setupController.needToShowDozeFragment()) {
 			nextButton.setText(R.string.create_account_button);
 			passwordConfirmation.setImeOptions(IME_ACTION_DONE);
 		}
 
-		viewModel.getIsCreatingAccount()
-				.observe(getViewLifecycleOwner(), isCreatingAccount -> {
-					if (isCreatingAccount) {
-						nextButton.setVisibility(INVISIBLE);
-						progressBar.setVisibility(VISIBLE);
-						// this also avoids the keyboard popping up
-						passwordEntry.setFocusable(false);
-						passwordConfirmation.setFocusable(false);
-					}
-				});
-
 		return v;
 	}
 
@@ -106,7 +98,7 @@ public class SetPasswordFragment extends SetupFragment {
 
 		strengthMeter
 				.setVisibility(password1.length() > 0 ? VISIBLE : INVISIBLE);
-		float strength = viewModel.estimatePasswordStrength(password1);
+		float strength = setupController.estimatePasswordStrength(password1);
 		strengthMeter.setStrength(strength);
 		boolean strongEnough = strength >= QUITE_WEAK;
 
@@ -126,6 +118,14 @@ public class SetPasswordFragment extends SetupFragment {
 		IBinder token = passwordEntry.getWindowToken();
 		Object o = getContext().getSystemService(INPUT_METHOD_SERVICE);
 		((InputMethodManager) o).hideSoftInputFromWindow(token, 0);
-		viewModel.setPassword(passwordEntry.getText().toString());
+		setupController.setPassword(passwordEntry.getText().toString());
+		if (setupController.needToShowDozeFragment()) {
+			setupController.showDozeFragment();
+		} else {
+			nextButton.setVisibility(INVISIBLE);
+			progressBar.setVisibility(VISIBLE);
+			setupController.createAccount();
+		}
 	}
+
 }

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

@@ -4,6 +4,7 @@ import android.annotation.TargetApi;
 import android.content.Intent;
 import android.os.Bundle;
 
+import org.briarproject.bramble.api.account.AccountManager;
 import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
 import org.briarproject.briar.R;
@@ -14,36 +15,28 @@ import org.briarproject.briar.android.fragment.BaseFragment.BaseFragmentListener
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 
-import androidx.lifecycle.ViewModelProvider;
-
 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.content.Intent.FLAG_ACTIVITY_TASK_ON_HOME;
 import static org.briarproject.briar.android.BriarApplication.ENTRY_ACTIVITY;
-import static org.briarproject.briar.android.account.SetupViewModel.State.AUTHOR_NAME;
-import static org.briarproject.briar.android.account.SetupViewModel.State.CREATED;
-import static org.briarproject.briar.android.account.SetupViewModel.State.DOZE;
-import static org.briarproject.briar.android.account.SetupViewModel.State.FAILED;
-import static org.briarproject.briar.android.account.SetupViewModel.State.SET_PASSWORD;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
 public class SetupActivity extends BaseActivity
 		implements BaseFragmentListener {
 
+	private static final String STATE_KEY_AUTHOR_NAME = "authorName";
+	private static final String STATE_KEY_PASSWORD = "password";
+
 	@Inject
-	ViewModelProvider.Factory viewModelFactory;
-	SetupViewModel viewModel;
+	AccountManager accountManager;
 
-	@Override
-	public void injectActivity(ActivityComponent component) {
-		component.inject(this);
+	@Inject
+	SetupController setupController;
 
-		viewModel = new ViewModelProvider(this, viewModelFactory)
-				.get(SetupViewModel.class);
-		viewModel.getState().observeEvent(this, this::onStateChanged);
-	}
+	@Nullable
+	private String authorName, password;
 
 	@Override
 	public void onCreate(@Nullable Bundle state) {
@@ -51,27 +44,58 @@ public class SetupActivity extends BaseActivity
 		// fade-in after splash screen instead of default animation
 		overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
 		setContentView(R.layout.activity_fragment_container);
-	}
 
-	private void onStateChanged(SetupViewModel.State state) {
-		if (state == AUTHOR_NAME) {
+		if (state == null) {
+			if (accountManager.accountExists()) throw new AssertionError();
 			showInitialFragment(AuthorNameFragment.newInstance());
-		} else if (state == SET_PASSWORD) {
-			showPasswordFragment();
-		} else if (state == DOZE) {
-			showDozeFragment();
-		} else if (state == CREATED || state == FAILED) {
-			// TODO: Show an error if failed
-			showApp();
+		} else {
+			authorName = state.getString(STATE_KEY_AUTHOR_NAME);
+			password = state.getString(STATE_KEY_PASSWORD);
 		}
 	}
 
+	@Override
+	public void injectActivity(ActivityComponent component) {
+		component.inject(this);
+		setupController.setSetupActivity(this);
+	}
+
+	@Override
+	protected void onSaveInstanceState(Bundle state) {
+		super.onSaveInstanceState(state);
+		if (authorName != null)
+			state.putString(STATE_KEY_AUTHOR_NAME, authorName);
+		if (password != null)
+			state.putString(STATE_KEY_PASSWORD, password);
+	}
+
+	@Nullable
+	String getAuthorName() {
+		return authorName;
+	}
+
+	void setAuthorName(String authorName) {
+		this.authorName = authorName;
+	}
+
+	@Nullable
+	String getPassword() {
+		return password;
+	}
+
+	void setPassword(String password) {
+		this.password = password;
+	}
+
 	void showPasswordFragment() {
+		if (authorName == null) throw new IllegalStateException();
 		showNextFragment(SetPasswordFragment.newInstance());
 	}
 
 	@TargetApi(23)
 	void showDozeFragment() {
+		if (authorName == null) throw new IllegalStateException();
+		if (password == null) throw new IllegalStateException();
 		showNextFragment(DozeFragment.newInstance());
 	}
 

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

@@ -0,0 +1,34 @@
+package org.briarproject.briar.android.account;
+
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+
+@NotNullByDefault
+public interface SetupController {
+
+	void setSetupActivity(SetupActivity setupActivity);
+
+	boolean needToShowDozeFragment();
+
+	void setAuthorName(String authorName);
+
+	float estimatePasswordStrength(String password);
+
+	void setPassword(String password);
+
+	/**
+	 * This should be called after the author name has been set.
+	 */
+	void showPasswordFragment();
+
+	/**
+	 * This should be called after the author name and the password have been
+	 * set.
+	 */
+	void showDozeFragment();
+
+	/**
+	 * This should be called after the author name and the password have been
+	 * set.
+	 */
+	void createAccount();
+}