Merge pull request #2217 from vector-im/feature/bma/kotlin_version

Some upgrade

CHANGES.md

@@ -30,6 +30,10 @@ SDK API changes ⚠️:
 Build 🧱:
  - Use Update Gradle Wrapper Action
  - Updates Gradle Wrapper from 5.6.4 to 6.6.1. (#2193)
+ - Upgrade kotlin version from `1.3.72` to `1.4.10` and kotlin coroutines version from `1.3.8` to `1.3.9`
+ - Upgrade build tools from `3.5.3` to `4.0.1`
+ - Upgrade com.google.gms:google-services from `4.3.2` to `4.3.4`
+ - Upgrade Moshi to `1.11.0`, Dagger to `2.29.1`, Epoxy to `4.1.0`
 
 Other changes:
  - Added registration/verification automated UI tests

attachment-viewer/build.gradle

@@ -58,21 +58,16 @@ android {
 }
 
 dependencies {
-    implementation 'com.github.chrisbanes:PhotoView:2.0.0'
+    implementation 'com.github.chrisbanes:PhotoView:2.1.4'
 
     implementation 'io.reactivex.rxjava2:rxkotlin:2.3.0'
     implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
 
-    implementation fileTree(dir: "libs", include: ["*.jar"])
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation 'androidx.core:core-ktx:1.3.0'
-    implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'com.google.android.material:material:1.1.0'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.navigation:navigation-fragment-ktx:2.1.0'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.1.0'
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    implementation 'androidx.core:core-ktx:1.3.2'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation "androidx.fragment:fragment:1.3.0-beta01"
+    implementation "androidx.recyclerview:recyclerview:1.1.0"
 
+    implementation 'com.google.android.material:material:1.2.1'
 }

build.gradle

@@ -1,7 +1,9 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.3.72'
+    // Ref: https://kotlinlang.org/releases.html
+    ext.kotlin_version = '1.4.10'
+    ext.kotlin_coroutines_version = "1.3.9"
     repositories {
         google()
         jcenter()
@@ -10,10 +12,8 @@ buildscript {
         }
     }
     dependencies {
-        // Warning: 3.6.3 leads to infinite gradle builds. Stick to 3.5.3 for the moment
-        classpath 'com.android.tools.build:gradle:3.5.3'
-        classpath 'com.google.gms:google-services:4.3.2'
-        classpath "com.airbnb.okreplay:gradle-plugin:1.5.0"
+        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.google.gms:google-services:4.3.4'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath 'org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:2.7.1'
         classpath 'com.google.android.gms:oss-licenses-plugin:0.10.2'
@@ -64,7 +64,8 @@ allprojects {
 
     tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
         // Warnings are potential errors, so stop ignoring them
-        kotlinOptions.allWarningsAsErrors = true
+        // You can override by passing `-PallWarningsAsErrors=false` in the command line
+        kotlinOptions.allWarningsAsErrors = project.properties['allWarningsAsErrors']?.toBoolean() ?: true
     }
 
 }

matrix-sdk-android-rx/build.gradle

@@ -35,7 +35,8 @@ android {
 
 dependencies {
     implementation project(":matrix-sdk-android")
-    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation "androidx.fragment:fragment:1.3.0-beta01"
     implementation 'io.reactivex.rxjava2:rxkotlin:2.3.0'
     implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
     // Paging
@@ -43,8 +44,4 @@ dependencies {
 
     // Logging
     implementation 'com.jakewharton.timber:timber:4.7.1'
-
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test:runner:1.2.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 }

matrix-sdk-android/build.gradle

@@ -3,7 +3,6 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'realm-android'
-apply plugin: 'okreplay'
 
 buildscript {
     repositories {
@@ -109,21 +108,21 @@ static def gitRevisionDate() {
 dependencies {
 
     def arrow_version = "0.8.2"
-    def moshi_version = '1.8.0'
+    def moshi_version = '1.11.0'
     def lifecycle_version = '2.2.0'
     def arch_version = '2.1.0'
-    def coroutines_version = "1.3.8"
     def markwon_version = '3.1.0'
-    def daggerVersion = '2.25.4'
+    def daggerVersion = '2.29.1'
     def work_version = '2.4.0'
     def retrofit_version = '2.6.2'
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
 
     implementation "androidx.appcompat:appcompat:1.2.0"
-    implementation "androidx.core:core-ktx:1.3.1"
+    implementation "androidx.fragment:fragment:1.3.0-beta01"
+    implementation "androidx.core:core-ktx:1.3.2"
 
     implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
     implementation "androidx.lifecycle:lifecycle-common-java8:$lifecycle_version"
@@ -143,7 +142,7 @@ dependencies {
     implementation "ru.noties.markwon:core:$markwon_version"
 
     // Image
-    implementation 'androidx.exifinterface:exifinterface:1.3.0-alpha01'
+    implementation 'androidx.exifinterface:exifinterface:1.3.0'
 
     // Database
     implementation 'com.github.Zhuinden:realm-monarchy:0.5.1'
@@ -181,33 +180,29 @@ dependencies {
     // Use the same WebRTC library than the one used by Jitsi library
     implementation('com.facebook.react:react-native-webrtc:1.84.0-jitsi-5112273@aar')
 
-    debugImplementation 'com.airbnb.okreplay:okreplay:1.5.0'
-    releaseImplementation 'com.airbnb.okreplay:noop:1.5.0'
-    androidTestImplementation 'com.airbnb.okreplay:espresso:1.5.0'
-
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13'
     testImplementation 'org.robolectric:robolectric:4.3'
     //testImplementation 'org.robolectric:shadows-support-v4:3.0'
     // Note: version sticks to 1.9.2 due to https://github.com/mockk/mockk/issues/281
     testImplementation 'io.mockk:mockk:1.9.2.kotlin12'
-    testImplementation 'org.amshove.kluent:kluent-android:1.44'
-    testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
+    testImplementation 'org.amshove.kluent:kluent-android:1.61'
+    testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
     // Plant Timber tree for test
     testImplementation 'net.lachlanmckee:timber-junit-rule:1.0.1'
 
     kaptAndroidTest "com.google.dagger:dagger-compiler:$daggerVersion"
-    androidTestImplementation 'androidx.test:core:1.2.0'
-    androidTestImplementation 'androidx.test:runner:1.2.0'
-    androidTestImplementation 'androidx.test:rules:1.2.0'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
-    androidTestImplementation 'org.amshove.kluent:kluent-android:1.44'
+    androidTestImplementation 'androidx.test:core:1.3.0'
+    androidTestImplementation 'androidx.test:runner:1.3.0'
+    androidTestImplementation 'androidx.test:rules:1.3.0'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+    androidTestImplementation 'org.amshove.kluent:kluent-android:1.61'
     // Note: version sticks to 1.9.2 due to https://github.com/mockk/mockk/issues/281
     androidTestImplementation 'io.mockk:mockk-android:1.9.2.kotlin12'
     androidTestImplementation "androidx.arch.core:core-testing:$arch_version"
-    androidTestImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
+    androidTestImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
     // Plant Timber tree for test
     androidTestImplementation 'net.lachlanmckee:timber-junit-rule:1.0.1'
 
-    androidTestUtil 'androidx.test:orchestrator:1.2.0'
+    androidTestUtil 'androidx.test:orchestrator:1.3.0'
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/content/ContentAttachmentData.kt

@@ -20,9 +20,11 @@ package org.matrix.android.sdk.api.session.content
 import android.net.Uri
 import android.os.Parcelable
 import androidx.exifinterface.media.ExifInterface
+import com.squareup.moshi.JsonClass
 import kotlinx.android.parcel.Parcelize
 
 @Parcelize
+@JsonClass(generateAdapter = true)
 data class ContentAttachmentData(
         val size: Long = 0,
         val duration: Long? = 0,
@@ -32,10 +34,11 @@ data class ContentAttachmentData(
         val exifOrientation: Int = ExifInterface.ORIENTATION_UNDEFINED,
         val name: String? = null,
         val queryUri: Uri,
-        private val mimeType: String?,
+        val mimeType: String?,
         val type: Type
 ) : Parcelable {
 
+    @JsonClass(generateAdapter = false)
     enum class Type {
         FILE,
         IMAGE,

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/model/Signed.kt

@@ -18,7 +18,9 @@
 package org.matrix.android.sdk.api.session.room.model
 
 import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
 
+@JsonClass(generateAdapter = true)
 data class Signed(
         @Json(name = "token") val token: String,
         @Json(name = "signatures") val signatures: Any,

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/auth/version/Versions.kt

@@ -105,6 +105,6 @@ private fun Versions.doesServerSeparatesAddAndBind(): Boolean {
 private fun Versions.getMaxVersion(): HomeServerVersion {
     return supportedVersions
             ?.mapNotNull { HomeServerVersion.parse(it) }
-            ?.max()
+            ?.maxOrNull()
             ?: HomeServerVersion.r0_0_0
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/IncomingGossipingRequestManager.kt

@@ -17,6 +17,8 @@
 
 package org.matrix.android.sdk.internal.crypto
 
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
 import org.matrix.android.sdk.api.auth.data.Credentials
 import org.matrix.android.sdk.api.crypto.MXCryptoConfig
 import org.matrix.android.sdk.api.session.crypto.crosssigning.KEYBACKUP_SECRET_SSSS_NAME
@@ -36,8 +38,6 @@ import org.matrix.android.sdk.internal.di.SessionId
 import org.matrix.android.sdk.internal.session.SessionScope
 import org.matrix.android.sdk.internal.util.MatrixCoroutineDispatchers
 import org.matrix.android.sdk.internal.worker.WorkerParamsFactory
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.launch
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -327,7 +327,9 @@ internal class IncomingGossipingRequestManager @Inject constructor(
                 val params = SendGossipWorker.Params(
                         sessionId = sessionId,
                         secretValue = secretValue,
-                        request = request
+                        requestUserId = request.userId,
+                        requestDeviceId = request.deviceId,
+                        requestId = request.requestId
                 )
 
                 cryptoStore.updateGossipingRequestState(request, GossipingRequestState.ACCEPTING)
@@ -351,7 +353,9 @@ internal class IncomingGossipingRequestManager @Inject constructor(
             val params = SendGossipWorker.Params(
                     sessionId = userId,
                     secretValue = secretValue,
-                    request = request
+                    requestUserId = request.userId,
+                    requestDeviceId = request.deviceId,
+                    requestId = request.requestId
             )
 
             cryptoStore.updateGossipingRequestState(request, GossipingRequestState.ACCEPTING)

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/IncomingSecretShareRequest.kt

@@ -22,7 +22,7 @@ import org.matrix.android.sdk.api.session.events.model.toModel
 import org.matrix.android.sdk.internal.crypto.model.rest.SecretShareRequest
 
 /**
- * IncomingRoomKeyRequest class defines the incoming room keys request.
+ * IncomingSecretShareRequest class defines the incoming secret keys request.
  */
 data class IncomingSecretShareRequest(
         /**

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/SendGossipWorker.kt

@@ -47,7 +47,9 @@ internal class SendGossipWorker(context: Context,
     internal data class Params(
             override val sessionId: String,
             val secretValue: String,
-            val request: IncomingSecretShareRequest,
+            val requestUserId: String?,
+            val requestDeviceId: String?,
+            val requestId: String?,
             override val lastFailureMessage: String? = null
     ) : SessionWorkerParams
 
@@ -67,16 +69,21 @@ internal class SendGossipWorker(context: Context,
         val eventType: String = EventType.SEND_SECRET
 
         val toDeviceContent = SecretSendEventContent(
-                requestId = params.request.requestId ?: "",
+                requestId = params.requestId ?: "",
                 secretValue = params.secretValue
         )
 
-        val requestingUserId = params.request.userId ?: ""
-        val requestingDeviceId = params.request.deviceId ?: ""
+        val requestingUserId = params.requestUserId ?: ""
+        val requestingDeviceId = params.requestDeviceId ?: ""
         val deviceInfo = cryptoStore.getUserDevice(requestingUserId, requestingDeviceId)
                 ?: return buildErrorResult(params, "Unknown deviceInfo, cannot send message").also {
-                    cryptoStore.updateGossipingRequestState(params.request, GossipingRequestState.FAILED_TO_ACCEPTED)
-                    Timber.e("Unknown deviceInfo, cannot send message, sessionId: ${params.request.deviceId}")
+                    cryptoStore.updateGossipingRequestState(
+                            requestUserId = params.requestUserId,
+                            requestDeviceId = params.requestDeviceId,
+                            requestId = params.requestId,
+                            state = GossipingRequestState.FAILED_TO_ACCEPTED
+                    )
+                    Timber.e("Unknown deviceInfo, cannot send message, sessionId: ${params.requestDeviceId}")
                 }
 
         val sendToDeviceMap = MXUsersDevicesMap<Any>()
@@ -88,7 +95,12 @@ internal class SendGossipWorker(context: Context,
             // no session with this device, probably because there
             // were no one-time keys.
             return buildErrorResult(params, "no session with this device").also {
-                cryptoStore.updateGossipingRequestState(params.request, GossipingRequestState.FAILED_TO_ACCEPTED)
+                cryptoStore.updateGossipingRequestState(
+                        requestUserId = params.requestUserId,
+                        requestDeviceId = params.requestDeviceId,
+                        requestId = params.requestId,
+                        state = GossipingRequestState.FAILED_TO_ACCEPTED
+                )
                 Timber.e("no session with this device, probably because there were no one-time keys.")
             }
         }
@@ -121,13 +133,23 @@ internal class SendGossipWorker(context: Context,
                             transactionId = localId
                     )
             )
-            cryptoStore.updateGossipingRequestState(params.request, GossipingRequestState.ACCEPTED)
+            cryptoStore.updateGossipingRequestState(
+                    requestUserId = params.requestUserId,
+                    requestDeviceId = params.requestDeviceId,
+                    requestId = params.requestId,
+                    state = GossipingRequestState.ACCEPTED
+            )
             return Result.success()
         } catch (throwable: Throwable) {
             return if (throwable.shouldBeRetried()) {
                 Result.retry()
             } else {
-                cryptoStore.updateGossipingRequestState(params.request, GossipingRequestState.FAILED_TO_ACCEPTED)
+                cryptoStore.updateGossipingRequestState(
+                        requestUserId = params.requestUserId,
+                        requestDeviceId = params.requestDeviceId,
+                        requestId = params.requestId,
+                        state = GossipingRequestState.FAILED_TO_ACCEPTED
+                )
                 buildErrorResult(params, throwable.localizedMessage ?: "error")
             }
         }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/keysbackup/model/rest/KeysVersion.kt

@@ -17,7 +17,12 @@
 
 package org.matrix.android.sdk.internal.crypto.keysbackup.model.rest
 
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
 data class KeysVersion(
         // the keys backup version
-        var version: String? = null
+        @Json(name = "version")
+        val version: String? = null
 )

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/secrets/DefaultSharedSecretStorageService.kt

@@ -371,7 +371,7 @@ internal class DefaultSharedSecretStorageService @Inject constructor(
                 callback.onFailure(SharedSecretStorageError.BadKeyFormat)
             }
             cryptoCoroutineScope.launch(coroutineDispatchers.main) {
-                kotlin.runCatching {
+                runCatching {
                     // decrypt from recovery key
                     withOlmDecryption { olmPkDecryption ->
                         olmPkDecryption.setPrivateKey(keySpec.privateKey)
@@ -390,7 +390,7 @@ internal class DefaultSharedSecretStorageService @Inject constructor(
                 callback.onFailure(SharedSecretStorageError.BadKeyFormat)
             }
             cryptoCoroutineScope.launch(coroutineDispatchers.main) {
-                kotlin.runCatching {
+                runCatching {
                     decryptAesHmacSha2(keySpec, name, secretContent)
                 }.foldToCallback(callback)
             }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/IMXCryptoStore.kt

@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2016 OpenMarket Ltd
  * Copyright 2018 New Vector Ltd
@@ -215,11 +214,12 @@ internal interface IMXCryptoStore {
     // TODO temp
     fun getLiveDeviceList(): LiveData<List<CryptoDeviceInfo>>
 
-    fun getMyDevicesInfo() : List<DeviceInfo>
+    fun getMyDevicesInfo(): List<DeviceInfo>
 
-    fun getLiveMyDevicesInfo() : LiveData<List<DeviceInfo>>
+    fun getLiveMyDevicesInfo(): LiveData<List<DeviceInfo>>
 
     fun saveMyDevicesInfo(info: List<DeviceInfo>)
+
     /**
      * Store the crypto algorithm for a room.
      *
@@ -367,7 +367,19 @@ internal interface IMXCryptoStore {
 
     fun saveGossipingEvent(event: Event)
 
-    fun updateGossipingRequestState(request: IncomingShareRequestCommon, state: GossipingRequestState)
+    fun updateGossipingRequestState(request: IncomingShareRequestCommon, state: GossipingRequestState) {
+        updateGossipingRequestState(
+                requestUserId = request.userId,
+                requestDeviceId = request.deviceId,
+                requestId = request.requestId,
+                state = state
+        )
+    }
+
+    fun updateGossipingRequestState(requestUserId: String?,
+                                    requestDeviceId: String?,
+                                    requestId: String?,
+                                    state: GossipingRequestState)
 
     /**
      * Search an IncomingRoomKeyRequest
@@ -411,7 +423,7 @@ internal interface IMXCryptoStore {
     fun getLiveCrossSigningPrivateKeys(): LiveData<Optional<PrivateKeysInfo>>
 
     fun saveBackupRecoveryKey(recoveryKey: String?, version: String?)
-    fun getKeyBackupRecoveryKeyInfo() : SavedKeyBackupKeyInfo?
+    fun getKeyBackupRecoveryKeyInfo(): SavedKeyBackupKeyInfo?
 
     fun setUserKeysAsTrusted(userId: String, trusted: Boolean = true)
     fun setDeviceTrust(userId: String, deviceId: String, crossSignedVerified: Boolean, locallyVerified: Boolean?)
@@ -421,12 +433,13 @@ internal interface IMXCryptoStore {
     fun updateUsersTrust(check: (String) -> Boolean)
 
     fun addWithHeldMegolmSession(withHeldContent: RoomKeyWithHeldContent)
-    fun getWithHeldMegolmSession(roomId: String, sessionId: String) : RoomKeyWithHeldContent?
+    fun getWithHeldMegolmSession(roomId: String, sessionId: String): RoomKeyWithHeldContent?
 
     fun markedSessionAsShared(roomId: String?, sessionId: String, userId: String, deviceId: String, chainIndex: Int)
-    fun wasSessionSharedWithUser(roomId: String?, sessionId: String, userId: String, deviceId: String) : SharedSessionResult
+    fun wasSessionSharedWithUser(roomId: String?, sessionId: String, userId: String, deviceId: String): SharedSessionResult
     data class SharedSessionResult(val found: Boolean, val chainIndex: Int?)
-    fun getSharedWithInfo(roomId: String?, sessionId: String) : MXUsersDevicesMap<Int>
+
+    fun getSharedWithInfo(roomId: String?, sessionId: String): MXUsersDevicesMap<Int>
     // Dev tools
 
     fun getOutgoingRoomKeyRequests(): List<OutgoingRoomKeyRequest>

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/RealmCryptoStore.kt

@@ -1134,12 +1134,15 @@ internal class RealmCryptoStore @Inject constructor(
 //        }
 //    }
 
-    override fun updateGossipingRequestState(request: IncomingShareRequestCommon, state: GossipingRequestState) {
+    override fun updateGossipingRequestState(requestUserId: String?,
+                                             requestDeviceId: String?,
+                                             requestId: String?,
+                                             state: GossipingRequestState) {
         doRealmTransaction(realmConfiguration) { realm ->
             realm.where<IncomingGossipingRequestEntity>()
-                    .equalTo(IncomingGossipingRequestEntityFields.OTHER_USER_ID, request.userId)
-                    .equalTo(IncomingGossipingRequestEntityFields.OTHER_DEVICE_ID, request.deviceId)
-                    .equalTo(IncomingGossipingRequestEntityFields.REQUEST_ID, request.requestId)
+                    .equalTo(IncomingGossipingRequestEntityFields.OTHER_USER_ID, requestUserId)
+                    .equalTo(IncomingGossipingRequestEntityFields.OTHER_DEVICE_ID, requestDeviceId)
+                    .equalTo(IncomingGossipingRequestEntityFields.REQUEST_ID, requestId)
                     .findAll().forEach {
                         it.requestState = state
                     }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/di/MoshiProvider.kt

@@ -32,8 +32,10 @@ import org.matrix.android.sdk.api.session.room.model.message.MessageTextContent
 import org.matrix.android.sdk.api.session.room.model.message.MessageType
 import org.matrix.android.sdk.api.session.room.model.message.MessageVerificationRequestContent
 import org.matrix.android.sdk.api.session.room.model.message.MessageVideoContent
+import org.matrix.android.sdk.internal.network.parsing.CipherSuiteMoshiAdapter
 import org.matrix.android.sdk.internal.network.parsing.ForceToBooleanJsonAdapter
 import org.matrix.android.sdk.internal.network.parsing.RuntimeJsonAdapterFactory
+import org.matrix.android.sdk.internal.network.parsing.TlsVersionMoshiAdapter
 import org.matrix.android.sdk.internal.network.parsing.UriMoshiAdapter
 
 object MoshiProvider {
@@ -41,6 +43,8 @@ object MoshiProvider {
     private val moshi: Moshi = Moshi.Builder()
             .add(UriMoshiAdapter())
             .add(ForceToBooleanJsonAdapter())
+            .add(CipherSuiteMoshiAdapter())
+            .add(TlsVersionMoshiAdapter())
             .add(RuntimeJsonAdapterFactory.of(MessageContent::class.java, "msgtype", MessageDefaultContent::class.java)
                     .registerSubtype(MessageTextContent::class.java, MessageType.MSGTYPE_TEXT)
                     .registerSubtype(MessageNoticeContent::class.java, MessageType.MSGTYPE_NOTICE)

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/di/NetworkModule.kt

@@ -29,7 +29,6 @@ import org.matrix.android.sdk.internal.network.interceptors.CurlLoggingIntercept
 import org.matrix.android.sdk.internal.network.interceptors.FormattedJsonHttpLogger
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
-import okreplay.OkReplayInterceptor
 import java.util.concurrent.TimeUnit
 
 @Module
@@ -44,12 +43,6 @@ internal object NetworkModule {
         return interceptor
     }
 
-    @Provides
-    @JvmStatic
-    fun providesOkReplayInterceptor(): OkReplayInterceptor {
-        return OkReplayInterceptor()
-    }
-
     @Provides
     @JvmStatic
     fun providesStethoInterceptor(): StethoInterceptor {
@@ -71,8 +64,7 @@ internal object NetworkModule {
                              timeoutInterceptor: TimeOutInterceptor,
                              userAgentInterceptor: UserAgentInterceptor,
                              httpLoggingInterceptor: HttpLoggingInterceptor,
-                             curlLoggingInterceptor: CurlLoggingInterceptor,
-                             okReplayInterceptor: OkReplayInterceptor): OkHttpClient {
+                             curlLoggingInterceptor: CurlLoggingInterceptor): OkHttpClient {
         return OkHttpClient.Builder()
                 .connectTimeout(30, TimeUnit.SECONDS)
                 .readTimeout(60, TimeUnit.SECONDS)
@@ -93,7 +85,6 @@ internal object NetworkModule {
                         proxy(it)
                     }
                 }
-                .addInterceptor(okReplayInterceptor)
                 .build()
     }
 

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/network/parsing/CipherSuiteMoshiAdapter.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ * Copyright 2020 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.matrix.android.sdk.internal.network.parsing
+
+import com.squareup.moshi.FromJson
+import com.squareup.moshi.ToJson
+import okhttp3.CipherSuite
+
+internal class CipherSuiteMoshiAdapter {
+
+    @ToJson
+    fun toJson(cipherSuite: CipherSuite): String {
+        return cipherSuite.javaName
+    }
+
+    @FromJson
+    fun fromJson(cipherSuiteString: String): CipherSuite {
+        return CipherSuite.forJavaName(cipherSuiteString)
+    }
+}

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/network/parsing/TlsVersionMoshiAdapter.kt

@@ -1,5 +1,6 @@
 /*
  * Copyright 2019 New Vector Ltd
+ * Copyright 2020 The Matrix.org Foundation C.I.C.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,19 +15,21 @@
  * limitations under the License.
  */
 
-package org.matrix.android.sdk
+package org.matrix.android.sdk.internal.network.parsing
 
-import okreplay.OkReplayConfig
-import okreplay.PermissionRule
-import okreplay.RecorderRule
-import org.junit.rules.RuleChain
-import org.junit.rules.TestRule
+import com.squareup.moshi.FromJson
+import com.squareup.moshi.ToJson
+import okhttp3.TlsVersion
 
-class OkReplayRuleChainNoActivity(
-        private val configuration: OkReplayConfig) {
+internal class TlsVersionMoshiAdapter {
 
-    fun get(): TestRule {
-        return RuleChain.outerRule(PermissionRule(configuration))
-                .around(RecorderRule(configuration))
+    @ToJson
+    fun toJson(tlsVersion: TlsVersion): String {
+        return tlsVersion.javaName
+    }
+
+    @FromJson
+    fun fromJson(tlsVersionString: String): TlsVersion {
+        return TlsVersion.forJavaName(tlsVersionString)
     }
 }

multipicker/build.gradle

@@ -41,15 +41,10 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'androidx.core:core-ktx:1.3.0'
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
-
-    implementation 'androidx.exifinterface:exifinterface:1.3.0-alpha01'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation "androidx.fragment:fragment:1.3.0-beta01"
+    implementation 'androidx.exifinterface:exifinterface:1.3.0'
 
     // Log
     implementation 'com.jakewharton.timber:timber:4.7.1'

multipicker/src/main/java/im/vector/lib/multipicker/AudioPicker.kt

@@ -16,7 +16,6 @@
 
 package im.vector.lib.multipicker
 
-import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.media.MediaMetadataRetriever
@@ -26,19 +25,13 @@ import im.vector.lib.multipicker.entity.MultiPickerAudioType
 /**
  * Audio file picker implementation
  */
-class AudioPicker(override val requestCode: Int) : Picker<MultiPickerAudioType>(requestCode) {
+class AudioPicker : Picker<MultiPickerAudioType>() {
 
     /**
      * Call this function from onActivityResult(int, int, Intent).
-     * Returns selected audio files or empty list if request code is wrong
-     * or result code is not Activity.RESULT_OK
-     * or user did not select any files.
+     * Returns selected audio files or empty list if user did not select any files.
      */
-    override fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<MultiPickerAudioType> {
-        if (requestCode != this.requestCode && resultCode != Activity.RESULT_OK) {
-            return emptyList()
-        }
-
+    override fun getSelectedFiles(context: Context, data: Intent?): List<MultiPickerAudioType> {
         val audioList = mutableListOf<MultiPickerAudioType>()
 
         getSelectedUriList(data).forEach { selectedUri ->

multipicker/src/main/java/im/vector/lib/multipicker/CameraPicker.kt

@@ -16,13 +16,12 @@
 
 package im.vector.lib.multipicker
 
-import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.provider.MediaStore
+import androidx.activity.result.ActivityResultLauncher
 import androidx.core.content.FileProvider
-import androidx.fragment.app.Fragment
 import im.vector.lib.multipicker.entity.MultiPickerImageType
 import im.vector.lib.multipicker.utils.ImageUtils
 import java.io.File
@@ -33,33 +32,18 @@ import java.util.Locale
 /**
  * Implementation of taking a photo with Camera
  */
-class CameraPicker(val requestCode: Int) {
+class CameraPicker {
 
     /**
-     * Start camera by using an Activity
-     * @param activity Activity to handle onActivityResult().
+     * Start camera by using a ActivityResultLauncher
      * @return Uri of taken photo or null if the operation is cancelled.
      */
-    fun startWithExpectingFile(activity: Activity): Uri? {
-        val photoUri = createPhotoUri(activity)
+    fun startWithExpectingFile(context: Context, activityResultLauncher: ActivityResultLauncher<Intent>): Uri? {
+        val photoUri = createPhotoUri(context)
         val intent = createIntent().apply {
             putExtra(MediaStore.EXTRA_OUTPUT, photoUri)
         }
-        activity.startActivityForResult(intent, requestCode)
-        return photoUri
-    }
-
-    /**
-     * Start camera by using a Fragment
-     * @param fragment Fragment to handle onActivityResult().
-     * @return Uri of taken photo or null if the operation is cancelled.
-     */
-    fun startWithExpectingFile(fragment: Fragment): Uri? {
-        val photoUri = createPhotoUri(fragment.requireContext())
-        val intent = createIntent().apply {
-            putExtra(MediaStore.EXTRA_OUTPUT, photoUri)
-        }
-        fragment.startActivityForResult(intent, requestCode)
+        activityResultLauncher.launch(intent)
         return photoUri
     }
 
@@ -69,40 +53,38 @@ class CameraPicker(val requestCode: Int) {
      * or result code is not Activity.RESULT_OK
      * or user cancelled the operation.
      */
-    fun getTakenPhoto(context: Context, requestCode: Int, resultCode: Int, photoUri: Uri): MultiPickerImageType? {
-        if (requestCode == this.requestCode && resultCode == Activity.RESULT_OK) {
-            val projection = arrayOf(
-                    MediaStore.Images.Media.DISPLAY_NAME,
-                    MediaStore.Images.Media.SIZE
-            )
+    fun getTakenPhoto(context: Context, photoUri: Uri): MultiPickerImageType? {
+        val projection = arrayOf(
+                MediaStore.Images.Media.DISPLAY_NAME,
+                MediaStore.Images.Media.SIZE
+        )
 
-            context.contentResolver.query(
-                    photoUri,
-                    projection,
-                    null,
-                    null,
-                    null
-            )?.use { cursor ->
-                val nameColumn = cursor.getColumnIndex(MediaStore.Images.Media.DISPLAY_NAME)
-                val sizeColumn = cursor.getColumnIndex(MediaStore.Images.Media.SIZE)
+        context.contentResolver.query(
+                photoUri,
+                projection,
+                null,
+                null,
+                null
+        )?.use { cursor ->
+            val nameColumn = cursor.getColumnIndex(MediaStore.Images.Media.DISPLAY_NAME)
+            val sizeColumn = cursor.getColumnIndex(MediaStore.Images.Media.SIZE)
 
-                if (cursor.moveToNext()) {
-                    val name = cursor.getString(nameColumn)
-                    val size = cursor.getLong(sizeColumn)
+            if (cursor.moveToNext()) {
+                val name = cursor.getString(nameColumn)
+                val size = cursor.getLong(sizeColumn)
 
-                    val bitmap = ImageUtils.getBitmap(context, photoUri)
-                    val orientation = ImageUtils.getOrientation(context, photoUri)
+                val bitmap = ImageUtils.getBitmap(context, photoUri)
+                val orientation = ImageUtils.getOrientation(context, photoUri)
 
-                    return MultiPickerImageType(
-                            name,
-                            size,
-                            context.contentResolver.getType(photoUri),
-                            photoUri,
-                            bitmap?.width ?: 0,
-                            bitmap?.height ?: 0,
-                            orientation
-                    )
-                }
+                return MultiPickerImageType(
+                        name,
+                        size,
+                        context.contentResolver.getType(photoUri),
+                        photoUri,
+                        bitmap?.width ?: 0,
+                        bitmap?.height ?: 0,
+                        orientation
+                )
             }
         }
         return null

multipicker/src/main/java/im/vector/lib/multipicker/ContactPicker.kt

@@ -16,7 +16,6 @@
 
 package im.vector.lib.multipicker
 
-import android.app.Activity
 import android.content.ContentResolver
 import android.content.Context
 import android.content.Intent
@@ -26,19 +25,13 @@ import im.vector.lib.multipicker.entity.MultiPickerContactType
 /**
  * Contact Picker implementation
  */
-class ContactPicker(override val requestCode: Int) : Picker<MultiPickerContactType>(requestCode) {
+class ContactPicker : Picker<MultiPickerContactType>() {
 
     /**
      * Call this function from onActivityResult(int, int, Intent).
-     * Returns selected contact or empty list if request code is wrong
-     * or result code is not Activity.RESULT_OK
-     * or user did not select any files.
+     * Returns selected contact or empty list if user did not select any contacts.
      */
-    override fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<MultiPickerContactType> {
-        if (requestCode != this.requestCode && resultCode != Activity.RESULT_OK) {
-            return emptyList()
-        }
-
+    override fun getSelectedFiles(context: Context, data: Intent?): List<MultiPickerContactType> {
         val contactList = mutableListOf<MultiPickerContactType>()
 
         data?.data?.let { selectedUri ->

multipicker/src/main/java/im/vector/lib/multipicker/FilePicker.kt

@@ -16,7 +16,6 @@
 
 package im.vector.lib.multipicker
 
-import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.provider.OpenableColumns
@@ -25,19 +24,13 @@ import im.vector.lib.multipicker.entity.MultiPickerFileType
 /**
  * Implementation of selecting any type of files
  */
-class FilePicker(override val requestCode: Int) : Picker<MultiPickerFileType>(requestCode) {
+class FilePicker : Picker<MultiPickerFileType>() {
 
     /**
      * Call this function from onActivityResult(int, int, Intent).
-     * Returns selected files or empty list if request code is wrong
-     * or result code is not Activity.RESULT_OK
-     * or user did not select any files.
+     * Returns selected files or empty list if user did not select any files.
      */
-    override fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<MultiPickerFileType> {
-        if (requestCode != this.requestCode && resultCode != Activity.RESULT_OK) {
-            return emptyList()
-        }
-
+    override fun getSelectedFiles(context: Context, data: Intent?): List<MultiPickerFileType> {
         val fileList = mutableListOf<MultiPickerFileType>()
 
         getSelectedUriList(data).forEach { selectedUri ->

multipicker/src/main/java/im/vector/lib/multipicker/ImagePicker.kt

@@ -16,7 +16,6 @@
 
 package im.vector.lib.multipicker
 
-import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.provider.MediaStore
@@ -26,19 +25,13 @@ import im.vector.lib.multipicker.utils.ImageUtils
 /**
  * Image Picker implementation
  */
-class ImagePicker(override val requestCode: Int) : Picker<MultiPickerImageType>(requestCode) {
+class ImagePicker : Picker<MultiPickerImageType>() {
 
     /**
      * Call this function from onActivityResult(int, int, Intent).
-     * Returns selected image files or empty list if request code is wrong
-     * or result code is not Activity.RESULT_OK
-     * or user did not select any files.
+     * Returns selected image files or empty list if user did not select any files.
      */
-    override fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<MultiPickerImageType> {
-        if (requestCode != this.requestCode && resultCode != Activity.RESULT_OK) {
-            return emptyList()
-        }
-
+    override fun getSelectedFiles(context: Context, data: Intent?): List<MultiPickerImageType> {
         val imageList = mutableListOf<MultiPickerImageType>()
 
         getSelectedUriList(data).forEach { selectedUri ->

multipicker/src/main/java/im/vector/lib/multipicker/MultiPicker.kt

@@ -26,23 +26,16 @@ class MultiPicker<T> {
         val CONTACT by lazy { MultiPicker<ContactPicker>() }
         val CAMERA by lazy { MultiPicker<CameraPicker>() }
 
-        const val REQUEST_CODE_PICK_IMAGE = 5000
-        const val REQUEST_CODE_PICK_VIDEO = 5001
-        const val REQUEST_CODE_PICK_FILE = 5002
-        const val REQUEST_CODE_PICK_AUDIO = 5003
-        const val REQUEST_CODE_PICK_CONTACT = 5004
-        const val REQUEST_CODE_TAKE_PHOTO = 5005
-
         @Suppress("UNCHECKED_CAST")
         fun <T> get(type: MultiPicker<T>): T {
             return when (type) {
-                IMAGE -> ImagePicker(REQUEST_CODE_PICK_IMAGE) as T
-                VIDEO -> VideoPicker(REQUEST_CODE_PICK_VIDEO) as T
-                FILE  -> FilePicker(REQUEST_CODE_PICK_FILE) as T
-                AUDIO  -> AudioPicker(REQUEST_CODE_PICK_AUDIO) as T
-                CONTACT  -> ContactPicker(REQUEST_CODE_PICK_CONTACT) as T
-                CAMERA  -> CameraPicker(REQUEST_CODE_TAKE_PHOTO) as T
-                else  -> throw IllegalArgumentException("Unsupported type $type")
+                IMAGE   -> ImagePicker() as T
+                VIDEO   -> VideoPicker() as T
+                FILE    -> FilePicker() as T
+                AUDIO   -> AudioPicker() as T
+                CONTACT -> ContactPicker() as T
+                CAMERA  -> CameraPicker() as T
+                else    -> throw IllegalArgumentException("Unsupported type $type")
             }
         }
     }

multipicker/src/main/java/im/vector/lib/multipicker/Picker.kt

@@ -16,28 +16,25 @@
 
 package im.vector.lib.multipicker
 
-import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.content.pm.ResolveInfo
 import android.net.Uri
-import androidx.fragment.app.Fragment
+import androidx.activity.result.ActivityResultLauncher
 
 /**
  * Abstract class to provide all types of Pickers
  */
-abstract class Picker<T>(open val requestCode: Int) {
+abstract class Picker<T> {
 
     protected var single = false
 
     /**
      * Call this function from onActivityResult(int, int, Intent).
-     * @return selected files or empty list if request code is wrong
-     * or result code is not Activity.RESULT_OK
-     * or user did not select any files.
+     * @return selected files or empty list if user did not select any files.
      */
-    abstract fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<T>
+    abstract fun getSelectedFiles(context: Context, data: Intent?): List<T>
 
     /**
      * Use this function to retrieve files which are shared from another application or internally
@@ -61,7 +58,7 @@ abstract class Picker<T>(open val requestCode: Int) {
                 context.grantUriPermission(packageName, it, Intent.FLAG_GRANT_READ_URI_PERMISSION)
             }
         }
-        return getSelectedFiles(context, requestCode, Activity.RESULT_OK, data)
+        return getSelectedFiles(context, data)
     }
 
     /**
@@ -75,19 +72,11 @@ abstract class Picker<T>(open val requestCode: Int) {
     abstract fun createIntent(): Intent
 
     /**
-     * Start Storage Access Framework UI by using an Activity.
-     * @param activity Activity to handle onActivityResult().
+     * Start Storage Access Framework UI by using a ActivityResultLauncher.
+     * @param activityResultLauncher to handle the result.
      */
-    fun startWith(activity: Activity) {
-        activity.startActivityForResult(createIntent().apply { addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION) }, requestCode)
-    }
-
-    /**
-     * Start Storage Access Framework UI by using a Fragment.
-     * @param fragment Fragment to handle onActivityResult().
-     */
-    fun startWith(fragment: Fragment) {
-        fragment.startActivityForResult(createIntent().apply { addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION) }, requestCode)
+    fun startWith(activityResultLauncher: ActivityResultLauncher<Intent>) {
+        activityResultLauncher.launch(createIntent().apply { addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION) })
     }
 
     protected fun getSelectedUriList(data: Intent?): List<Uri> {

multipicker/src/main/java/im/vector/lib/multipicker/VideoPicker.kt

@@ -16,7 +16,6 @@
 
 package im.vector.lib.multipicker
 
-import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.media.MediaMetadataRetriever
@@ -26,19 +25,13 @@ import im.vector.lib.multipicker.entity.MultiPickerVideoType
 /**
  * Video Picker implementation
  */
-class VideoPicker(override val requestCode: Int) : Picker<MultiPickerVideoType>(requestCode) {
+class VideoPicker : Picker<MultiPickerVideoType>() {
 
     /**
      * Call this function from onActivityResult(int, int, Intent).
-     * Returns selected video files or empty list if request code is wrong
-     * or result code is not Activity.RESULT_OK
-     * or user did not select any files.
+     * Returns selected video files or empty list if user did not select any files.
      */
-    override fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<MultiPickerVideoType> {
-        if (requestCode != this.requestCode && resultCode != Activity.RESULT_OK) {
-            return emptyList()
-        }
-
+    override fun getSelectedFiles(context: Context, data: Intent?): List<MultiPickerVideoType> {
         val videoList = mutableListOf<MultiPickerVideoType>()
 
         getSelectedUriList(data).forEach { selectedUri ->

vector/build.gradle

@@ -280,22 +280,21 @@ android {
 
 dependencies {
 
-    def epoxy_version = '3.11.0'
-    def fragment_version = '1.2.5'
+    def epoxy_version = '4.1.0'
+    def fragment_version = '1.3.0-beta01'
     def arrow_version = "0.8.2"
-    def coroutines_version = "1.3.8"
     def markwon_version = '4.1.2'
     def big_image_viewer_version = '1.6.2'
     def glide_version = '4.11.0'
-    def moshi_version = '1.8.0'
-    def daggerVersion = '2.25.4'
+    def moshi_version = '1.11.0'
+    def daggerVersion = '2.29.1'
     def autofill_version = "1.0.0"
     def work_version = '2.4.0'
     def arch_version = '2.1.0'
     def lifecycle_version = '2.2.0'
 
     // Tests
-    def kluent_version = '1.44'
+    def kluent_version = '1.61'
     def androidxTest_version = '1.3.0'
     def espresso_version = '3.3.0'
 
@@ -307,16 +306,16 @@ dependencies {
     implementation 'com.android.support:multidex:1.0.3'
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
 
-    implementation "androidx.recyclerview:recyclerview:1.2.0-alpha05"
+    implementation "androidx.recyclerview:recyclerview:1.2.0-alpha06"
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation "androidx.fragment:fragment:$fragment_version"
     implementation "androidx.fragment:fragment-ktx:$fragment_version"
     // Keep at 2.0.0-beta4 at the moment, as updating is breaking some UI
     implementation 'androidx.constraintlayout:constraintlayout:2.0.0-beta4'
-    implementation 'androidx.core:core-ktx:1.3.1'
+    implementation 'androidx.core:core-ktx:1.3.2'
 
     implementation "org.threeten:threetenbp:1.4.0:no-tzdb"
     implementation "com.gabrielittner.threetenbp:lazythreetenbp:0.7.0"
@@ -347,7 +346,7 @@ dependencies {
     implementation "com.airbnb.android:epoxy-glide-preloading:$epoxy_version"
     kapt "com.airbnb.android:epoxy-processor:$epoxy_version"
     implementation "com.airbnb.android:epoxy-paging:$epoxy_version"
-    implementation 'com.airbnb.android:mvrx:1.3.0'
+    implementation 'com.airbnb.android:mvrx:1.5.1'
 
     // Work
     implementation "androidx.work:work-runtime-ktx:$work_version"
@@ -363,7 +362,7 @@ dependencies {
 
     // UI
     implementation 'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1'
-    implementation 'com.google.android.material:material:1.3.0-alpha01'
+    implementation 'com.google.android.material:material:1.3.0-alpha02'
     implementation 'me.gujun.android:span:1.7'
     implementation "io.noties.markwon:core:$markwon_version"
     implementation "io.noties.markwon:html:$markwon_version"
@@ -398,7 +397,7 @@ dependencies {
     implementation "com.github.piasy:GlideImageViewFactory:$big_image_viewer_version"
 
     // implementation 'com.github.MikeOrtiz:TouchImageView:3.0.2'
-    implementation 'com.github.chrisbanes:PhotoView:2.0.0'
+    implementation 'com.github.chrisbanes:PhotoView:2.1.4'
 
     implementation "com.github.bumptech.glide:glide:$glide_version"
     kapt "com.github.bumptech.glide:compiler:$glide_version"
@@ -415,7 +414,7 @@ dependencies {
     kapt 'com.squareup.inject:assisted-inject-processor-dagger2:0.5.0'
 
     // gplay flavor only
-    gplayImplementation('com.google.firebase:firebase-messaging:20.2.4') {
+    gplayImplementation('com.google.firebase:firebase-messaging:20.3.0') {
         exclude group: 'com.google.firebase', module: 'firebase-core'
         exclude group: 'com.google.firebase', module: 'firebase-analytics'
         exclude group: 'com.google.firebase', module: 'firebase-measurement-connector'
@@ -439,7 +438,7 @@ dependencies {
     implementation 'me.dm7.barcodescanner:zxing:1.9.13'
 
     // TESTS
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13'
     testImplementation "org.amshove.kluent:kluent-android:$kluent_version"
     // Plant Timber tree for test
     testImplementation 'net.lachlanmckee:timber-junit-rule:1.0.1'

vector/lint.xml

@@ -27,6 +27,7 @@
     <issue id="DisableBaselineAlignment" severity="error" />
     <issue id="ScrollViewSize" severity="error" />
     <issue id="NegativeMargin" severity="error" />
+    <issue id="UseCompatTextViewDrawableXml" severity="error" />
 
     <!-- RTL -->
     <issue id="RtlEnabled" severity="error" />

vector/src/debug/java/im/vector/app/features/debug/DebugMenuActivity.kt

@@ -28,6 +28,7 @@ import butterknife.OnClick
 import im.vector.app.R
 import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.di.ScreenComponent
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseActivity
 import im.vector.app.core.utils.PERMISSIONS_FOR_TAKING_PHOTO
 import im.vector.app.core.utils.PERMISSION_REQUEST_CODE_LAUNCH_CAMERA
@@ -196,33 +197,29 @@ class DebugMenuActivity : VectorBaseActivity() {
     }
 
     private fun doScanQRCode() {
-        QrCodeScannerActivity.startForResult(this)
+        QrCodeScannerActivity.startForResult(this, qrStartForActivityResult)
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
-        if (resultCode == Activity.RESULT_OK) {
-            when (requestCode) {
-                QrCodeScannerActivity.QR_CODE_SCANNER_REQUEST_CODE -> {
-                    toast("QrCode: " + QrCodeScannerActivity.getResultText(data) + " is QRCode: " + QrCodeScannerActivity.getResultIsQrCode(data))
+    private val qrStartForActivityResult = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            toast("QrCode: " + QrCodeScannerActivity.getResultText(activityResult.data)
+                    + " is QRCode: " + QrCodeScannerActivity.getResultIsQrCode(activityResult.data))
 
-                    // Also update the current QR Code (reverse operation)
-                    // renderQrCode(QrCodeScannerActivity.getResultText(data) ?: "")
-                    val result = QrCodeScannerActivity.getResultText(data)!!
+            // Also update the current QR Code (reverse operation)
+            // renderQrCode(QrCodeScannerActivity.getResultText(data) ?: "")
+            val result = QrCodeScannerActivity.getResultText(activityResult.data)!!
 
-                    val qrCodeData = result.toQrCodeData()
-                    Timber.e("qrCodeData: $qrCodeData")
+            val qrCodeData = result.toQrCodeData()
+            Timber.e("qrCodeData: $qrCodeData")
 
-                    if (result.length != buffer.size) {
-                        Timber.e("Error, length are not the same")
-                    } else {
-                        // Convert to ByteArray
-                        val byteArrayResult = result.toByteArray(Charsets.ISO_8859_1)
-                        for (i in byteArrayResult.indices) {
-                            if (buffer[i] != byteArrayResult[i]) {
-                                Timber.e("Error for byte $i, expecting ${buffer[i]} and get ${byteArrayResult[i]}")
-                            }
-                        }
+            if (result.length != buffer.size) {
+                Timber.e("Error, length are not the same")
+            } else {
+                // Convert to ByteArray
+                val byteArrayResult = result.toByteArray(Charsets.ISO_8859_1)
+                for (i in byteArrayResult.indices) {
+                    if (buffer[i] != byteArrayResult[i]) {
+                        Timber.e("Error for byte $i, expecting ${buffer[i]} and get ${byteArrayResult[i]}")
                     }
                 }
             }

vector/src/fdroid/java/im/vector/app/fdroid/features/settings/troubleshoot/TestAutoStartBoot.kt

@@ -15,6 +15,8 @@
  */
 package im.vector.app.fdroid.features.settings.troubleshoot
 
+import android.content.Intent
+import androidx.activity.result.ActivityResultLauncher
 import im.vector.app.R
 import im.vector.app.core.resources.StringProvider
 import im.vector.app.features.settings.VectorPreferences
@@ -28,7 +30,7 @@ class TestAutoStartBoot @Inject constructor(private val vectorPreferences: Vecto
                                             private val stringProvider: StringProvider)
     : TroubleshootTest(R.string.settings_troubleshoot_test_service_boot_title) {
 
-    override fun perform() {
+    override fun perform(activityResultLauncher: ActivityResultLauncher<Intent>) {
         if (vectorPreferences.autoStartOnBoot()) {
             description = stringProvider.getString(R.string.settings_troubleshoot_test_service_boot_success)
             status = TestStatus.SUCCESS
@@ -38,7 +40,7 @@ class TestAutoStartBoot @Inject constructor(private val vectorPreferences: Vecto
             quickFix = object : TroubleshootQuickFix(R.string.settings_troubleshoot_test_service_boot_quickfix) {
                 override fun doFix() {
                     vectorPreferences.setAutoStartOnBoot(true)
-                    manager?.retry()
+                    manager?.retry(activityResultLauncher)
                 }
             }
             status = TestStatus.FAILED

vector/src/fdroid/java/im/vector/app/fdroid/features/settings/troubleshoot/TestBackgroundRestrictions.kt

@@ -15,7 +15,9 @@
  */
 package im.vector.app.fdroid.features.settings.troubleshoot
 
+import android.content.Intent
 import android.net.ConnectivityManager
+import androidx.activity.result.ActivityResultLauncher
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.getSystemService
 import androidx.core.net.ConnectivityManagerCompat
@@ -28,7 +30,7 @@ class TestBackgroundRestrictions @Inject constructor(private val context: AppCom
                                                      private val stringProvider: StringProvider)
     : TroubleshootTest(R.string.settings_troubleshoot_test_bg_restricted_title) {
 
-    override fun perform() {
+    override fun perform(activityResultLauncher: ActivityResultLauncher<Intent>) {
         context.getSystemService<ConnectivityManager>()!!.apply {
             // Checks if the device is on a metered network
             if (isActiveNetworkMetered) {

vector/src/fdroid/java/im/vector/app/fdroid/features/settings/troubleshoot/TestBatteryOptimization.kt

@@ -15,12 +15,13 @@
  */
 package im.vector.app.fdroid.features.settings.troubleshoot
 
+import android.content.Intent
+import androidx.activity.result.ActivityResultLauncher
 import androidx.appcompat.app.AppCompatActivity
 import im.vector.app.R
 import im.vector.app.core.resources.StringProvider
 import im.vector.app.core.utils.isIgnoringBatteryOptimizations
 import im.vector.app.core.utils.requestDisablingBatteryOptimization
-import im.vector.app.features.settings.troubleshoot.NotificationTroubleshootTestManager
 import im.vector.app.features.settings.troubleshoot.TroubleshootTest
 import javax.inject.Inject
 
@@ -29,7 +30,7 @@ class TestBatteryOptimization @Inject constructor(
         private val stringProvider: StringProvider
 ) : TroubleshootTest(R.string.settings_troubleshoot_test_battery_title) {
 
-    override fun perform() {
+    override fun perform(activityResultLauncher: ActivityResultLauncher<Intent>) {
         if (isIgnoringBatteryOptimizations(context)) {
             description = stringProvider.getString(R.string.settings_troubleshoot_test_battery_success)
             status = TestStatus.SUCCESS
@@ -38,7 +39,7 @@ class TestBatteryOptimization @Inject constructor(
             description = stringProvider.getString(R.string.settings_troubleshoot_test_battery_failed)
             quickFix = object : TroubleshootQuickFix(R.string.settings_troubleshoot_test_battery_quickfix) {
                 override fun doFix() {
-                    requestDisablingBatteryOptimization(context, null, NotificationTroubleshootTestManager.REQ_CODE_FIX)
+                    requestDisablingBatteryOptimization(context, activityResultLauncher)
                 }
             }
             status = TestStatus.FAILED

vector/src/gplay/java/im/vector/app/gplay/features/settings/troubleshoot/TestFirebaseToken.kt

@@ -15,12 +15,13 @@
  */
 package im.vector.app.gplay.features.settings.troubleshoot
 
+import android.content.Intent
+import androidx.activity.result.ActivityResultLauncher
 import androidx.appcompat.app.AppCompatActivity
 import com.google.firebase.iid.FirebaseInstanceId
 import im.vector.app.R
 import im.vector.app.core.resources.StringProvider
 import im.vector.app.core.utils.startAddGoogleAccountIntent
-import im.vector.app.features.settings.troubleshoot.NotificationTroubleshootTestManager
 import im.vector.app.features.settings.troubleshoot.TroubleshootTest
 import im.vector.app.push.fcm.FcmHelper
 import timber.log.Timber
@@ -32,7 +33,7 @@ import javax.inject.Inject
 class TestFirebaseToken @Inject constructor(private val context: AppCompatActivity,
                                             private val stringProvider: StringProvider) : TroubleshootTest(R.string.settings_troubleshoot_test_fcm_title) {
 
-    override fun perform() {
+    override fun perform(activityResultLauncher: ActivityResultLauncher<Intent>) {
         status = TestStatus.RUNNING
         try {
             FirebaseInstanceId.getInstance().instanceId
@@ -48,7 +49,7 @@ class TestFirebaseToken @Inject constructor(private val context: AppCompatActivi
                                 description = stringProvider.getString(R.string.settings_troubleshoot_test_fcm_failed_account_missing, errorMsg)
                                 quickFix = object : TroubleshootQuickFix(R.string.settings_troubleshoot_test_fcm_failed_account_missing_quick_fix) {
                                     override fun doFix() {
-                                        startAddGoogleAccountIntent(context, NotificationTroubleshootTestManager.REQ_CODE_FIX)
+                                        startAddGoogleAccountIntent(context, activityResultLauncher)
                                     }
                                 }
                             } else {

vector/src/gplay/java/im/vector/app/gplay/features/settings/troubleshoot/TestPlayServices.kt

@@ -15,6 +15,8 @@
  */
 package im.vector.app.gplay.features.settings.troubleshoot
 
+import android.content.Intent
+import androidx.activity.result.ActivityResultLauncher
 import androidx.appcompat.app.AppCompatActivity
 import com.google.android.gms.common.ConnectionResult
 import com.google.android.gms.common.GoogleApiAvailability
@@ -31,7 +33,7 @@ class TestPlayServices @Inject constructor(private val context: AppCompatActivit
                                            private val stringProvider: StringProvider)
     : TroubleshootTest(R.string.settings_troubleshoot_test_play_services_title) {
 
-    override fun perform() {
+    override fun perform(activityResultLauncher: ActivityResultLauncher<Intent>) {
         val apiAvailability = GoogleApiAvailability.getInstance()
         val resultCode = apiAvailability.isGooglePlayServicesAvailable(context)
         if (resultCode == ConnectionResult.SUCCESS) {

vector/src/gplay/java/im/vector/app/gplay/features/settings/troubleshoot/TestTokenRegistration.kt

@@ -15,6 +15,8 @@
  */
 package im.vector.app.gplay.features.settings.troubleshoot
 
+import android.content.Intent
+import androidx.activity.result.ActivityResultLauncher
 import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.Observer
 import androidx.work.WorkInfo
@@ -37,7 +39,7 @@ class TestTokenRegistration @Inject constructor(private val context: AppCompatAc
                                                 private val activeSessionHolder: ActiveSessionHolder)
     : TroubleshootTest(R.string.settings_troubleshoot_test_token_registration_title) {
 
-    override fun perform() {
+    override fun perform(activityResultLauncher: ActivityResultLauncher<Intent>) {
         // Check if we have a registered pusher for this token
         val fcmToken = FcmHelper.getFcmToken(context) ?: run {
             status = TestStatus.FAILED
@@ -59,9 +61,9 @@ class TestTokenRegistration @Inject constructor(private val context: AppCompatAc
                     WorkManager.getInstance(context).getWorkInfoByIdLiveData(workId).observe(context, Observer { workInfo ->
                         if (workInfo != null) {
                             if (workInfo.state == WorkInfo.State.SUCCEEDED) {
-                                manager?.retry()
+                                manager?.retry(activityResultLauncher)
                             } else if (workInfo.state == WorkInfo.State.FAILED) {
-                                manager?.retry()
+                                manager?.retry(activityResultLauncher)
                             }
                         }
                     })

vector/src/main/AndroidManifest.xml

@@ -232,9 +232,11 @@
             </intent-filter>
         </service>
 
+        <!-- Add tools:ignore="Instantiatable" for the error reported only by Buildkite and for lintGplayRelease check :/ -->
         <service
             android:name=".core.services.VectorSyncService"
-            android:exported="false" />
+            android:exported="false"
+            tools:ignore="Instantiatable" />
 
         <service
             android:name=".features.call.telecom.VectorConnectionService"

vector/src/main/java/im/vector/app/core/extensions/Activity.kt

@@ -17,11 +17,20 @@
 package im.vector.app.core.extensions
 
 import android.app.Activity
+import android.content.Intent
 import android.os.Parcelable
+import androidx.activity.ComponentActivity
+import androidx.activity.result.ActivityResult
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentTransaction
 import im.vector.app.core.platform.VectorBaseActivity
 
+fun ComponentActivity.registerStartForActivityResult(onResult: (ActivityResult) -> Unit): ActivityResultLauncher<Intent> {
+    return registerForActivityResult(ActivityResultContracts.StartActivityForResult(), onResult)
+}
+
 fun VectorBaseActivity.addFragment(
         frameId: Int,
         fragment: Fragment,

vector/src/main/java/im/vector/app/core/extensions/Fragment.kt

@@ -17,7 +17,11 @@
 package im.vector.app.core.extensions
 
 import android.app.Activity
+import android.content.Intent
 import android.os.Parcelable
+import androidx.activity.result.ActivityResult
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.fragment.app.Fragment
 import im.vector.app.R
 import im.vector.app.core.platform.VectorBaseFragment
@@ -26,6 +30,10 @@ import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
 
+fun Fragment.registerStartForActivityResult(onResult: (ActivityResult) -> Unit): ActivityResultLauncher<Intent> {
+    return registerForActivityResult(ActivityResultContracts.StartActivityForResult(), onResult)
+}
+
 fun VectorBaseFragment.addFragment(
         frameId: Int,
         fragment: Fragment,
@@ -160,26 +168,24 @@ fun Fragment.getAllChildFragments(): List<Fragment> {
 // Define a missing constant
 const val POP_BACK_STACK_EXCLUSIVE = 0
 
-fun Fragment.queryExportKeys(userId: String, requestCode: Int) {
+fun Fragment.queryExportKeys(userId: String, activityResultLauncher: ActivityResultLauncher<Intent>) {
     val timestamp = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault()).format(Date())
 
     selectTxtFileToWrite(
             activity = requireActivity(),
-            fragment = this,
+            activityResultLauncher = activityResultLauncher,
             defaultFileName = "element-megolm-export-$userId-$timestamp.txt",
-            chooserHint = getString(R.string.keys_backup_setup_step1_manual_export),
-            requestCode = requestCode
+            chooserHint = getString(R.string.keys_backup_setup_step1_manual_export)
     )
 }
 
-fun Activity.queryExportKeys(userId: String, requestCode: Int) {
+fun Activity.queryExportKeys(userId: String, activityResultLauncher: ActivityResultLauncher<Intent>) {
     val timestamp = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault()).format(Date())
 
     selectTxtFileToWrite(
             activity = this,
-            fragment = null,
+            activityResultLauncher = activityResultLauncher,
             defaultFileName = "element-megolm-export-$userId-$timestamp.txt",
-            chooserHint = getString(R.string.keys_backup_setup_step1_manual_export),
-            requestCode = requestCode
+            chooserHint = getString(R.string.keys_backup_setup_step1_manual_export)
     )
 }

vector/src/main/java/im/vector/app/core/platform/VectorBaseActivity.kt

@@ -18,7 +18,6 @@ package im.vector.app.core.platform
 
 import android.app.Activity
 import android.content.Context
-import android.content.Intent
 import android.content.res.Configuration
 import android.os.Bundle
 import android.os.Parcelable
@@ -60,6 +59,7 @@ import im.vector.app.core.dialogs.UnrecognizedCertificateDialog
 import im.vector.app.core.extensions.exhaustive
 import im.vector.app.core.extensions.observeEvent
 import im.vector.app.core.extensions.observeNotNull
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.extensions.restart
 import im.vector.app.core.extensions.vectorComponent
 import im.vector.app.core.utils.toast
@@ -68,7 +68,6 @@ import im.vector.app.features.MainActivityArgs
 import im.vector.app.features.configuration.VectorConfiguration
 import im.vector.app.features.consent.ConsentNotGivenHelper
 import im.vector.app.features.navigation.Navigator
-import im.vector.app.features.pin.PinActivity
 import im.vector.app.features.pin.PinLocker
 import im.vector.app.features.pin.PinMode
 import im.vector.app.features.pin.UnlockedActivity
@@ -206,7 +205,7 @@ abstract class VectorBaseActivity : AppCompatActivity(), HasScreenInjector {
         })
         pinLocker.getLiveState().observeNotNull(this) {
             if (this@VectorBaseActivity !is UnlockedActivity && it == PinLocker.State.LOCKED) {
-                navigator.openPinCode(this, PinMode.AUTH)
+                navigator.openPinCode(this, pinStartForActivityResult, PinMode.AUTH)
             }
         }
         sessionListener = vectorComponent.sessionListener()
@@ -313,22 +312,20 @@ abstract class VectorBaseActivity : AppCompatActivity(), HasScreenInjector {
         uiDisposables.dispose()
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
-        if (requestCode == PinActivity.PIN_REQUEST_CODE) {
-            when (resultCode) {
-                Activity.RESULT_OK -> {
-                    Timber.v("Pin ok, unlock app")
-                    pinLocker.unlock()
+    private val pinStartForActivityResult = registerStartForActivityResult { activityResult ->
+        when (activityResult.resultCode) {
+            Activity.RESULT_OK -> {
+                Timber.v("Pin ok, unlock app")
+                pinLocker.unlock()
 
-                    // Cancel any new started PinActivity, after a screen rotation for instance
-                    finishActivity(PinActivity.PIN_REQUEST_CODE)
-                }
-                else               -> {
-                    if (pinLocker.getLiveState().value != PinLocker.State.UNLOCKED) {
-                        // Remove the task, to be sure that PIN code will be requested when resumed
-                        finishAndRemoveTask()
-                    }
+                // Cancel any new started PinActivity, after a screen rotation for instance
+                // FIXME I cannot use this anymore :/
+                // finishActivity(PinActivity.PIN_REQUEST_CODE)
+            }
+            else               -> {
+                if (pinLocker.getLiveState().value != PinLocker.State.UNLOCKED) {
+                    // Remove the task, to be sure that PIN code will be requested when resumed
+                    finishAndRemoveTask()
                 }
             }
         }

vector/src/main/java/im/vector/app/core/platform/VectorViewModel.kt

@@ -42,9 +42,11 @@ abstract class VectorViewModel<S : MvRxState, VA : VectorViewModelAction, VE : V
      * This method does the same thing as the execute function, but it doesn't subscribe to the stream
      * so you can use this in a switchMap or a flatMap
      */
+    // False positive
+    @Suppress("USELESS_CAST")
     fun <T> Single<T>.toAsync(stateReducer: S.(Async<T>) -> S): Single<Async<T>> {
         setState { stateReducer(Loading()) }
-        return this.map { Success(it) as Async<T> }
+        return map { Success(it) as Async<T> }
                 .onErrorReturn { Fail(it) }
                 .doOnSuccess { setState { stateReducer(it) } }
     }
@@ -53,9 +55,11 @@ abstract class VectorViewModel<S : MvRxState, VA : VectorViewModelAction, VE : V
      * This method does the same thing as the execute function, but it doesn't subscribe to the stream
      * so you can use this in a switchMap or a flatMap
      */
+    // False positive
+    @Suppress("USELESS_CAST")
     fun <T> Observable<T>.toAsync(stateReducer: S.(Async<T>) -> S): Observable<Async<T>> {
         setState { stateReducer(Loading()) }
-        return this.map { Success(it) as Async<T> }
+        return map { Success(it) as Async<T> }
                 .onErrorReturn { Fail(it) }
                 .doOnNext { setState { stateReducer(it) } }
     }

vector/src/main/java/im/vector/app/core/utils/ExternalApplicationsUtil.kt

@@ -31,12 +31,12 @@ import android.provider.Browser
 import android.provider.MediaStore
 import android.webkit.MimeTypeMap
 import android.widget.Toast
+import androidx.activity.result.ActivityResultLauncher
 import androidx.browser.customtabs.CustomTabsIntent
 import androidx.browser.customtabs.CustomTabsSession
 import androidx.core.content.ContextCompat
 import androidx.core.content.FileProvider
 import androidx.core.content.getSystemService
-import androidx.fragment.app.Fragment
 import im.vector.app.BuildConfig
 import im.vector.app.R
 import im.vector.app.features.notifications.NotificationUtils
@@ -130,7 +130,7 @@ fun openSoundRecorder(activity: Activity, requestCode: Int) {
  * Open file selection activity
  */
 fun openFileSelection(activity: Activity,
-                      fragment: Fragment?,
+                      activityResultLauncher: ActivityResultLauncher<Intent>?,
                       allowMultipleSelection: Boolean,
                       requestCode: Int) {
     val fileIntent = Intent(Intent.ACTION_GET_CONTENT)
@@ -140,8 +140,8 @@ fun openFileSelection(activity: Activity,
     fileIntent.type = "*/*"
 
     try {
-        fragment
-                ?.startActivityForResult(fileIntent, requestCode)
+        activityResultLauncher
+                ?.launch(fileIntent)
                 ?: run {
                     activity.startActivityForResult(fileIntent, requestCode)
                 }
@@ -440,10 +440,9 @@ fun openPlayStore(activity: Activity, appId: String = BuildConfig.APPLICATION_ID
  */
 fun selectTxtFileToWrite(
         activity: Activity,
-        fragment: Fragment?,
+        activityResultLauncher: ActivityResultLauncher<Intent>,
         defaultFileName: String,
-        chooserHint: String,
-        requestCode: Int
+        chooserHint: String
 ) {
     val intent = Intent(Intent.ACTION_CREATE_DOCUMENT)
     intent.addCategory(Intent.CATEGORY_OPENABLE)
@@ -452,11 +451,7 @@ fun selectTxtFileToWrite(
 
     try {
         val chooserIntent = Intent.createChooser(intent, chooserHint)
-        if (fragment != null) {
-            fragment.startActivityForResult(chooserIntent, requestCode)
-        } else {
-            activity.startActivityForResult(chooserIntent, requestCode)
-        }
+        activityResultLauncher.launch(chooserIntent)
     } catch (activityNotFoundException: ActivityNotFoundException) {
         activity.toast(R.string.error_no_external_application_found)
     }

vector/src/main/java/im/vector/app/core/utils/PermissionsTools.kt

@@ -22,6 +22,8 @@ import android.content.Context
 import android.content.pm.PackageManager
 import android.os.Build
 import android.widget.Toast
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AlertDialog
 import androidx.core.app.ActivityCompat
@@ -94,6 +96,12 @@ fun logPermissionStatuses(context: Context) {
     }
 }
 
+fun Fragment.registerForPermissionsResult(allGranted: (Boolean) -> Unit): ActivityResultLauncher<Array<String>> {
+    return registerForActivityResult(ActivityResultContracts.RequestMultiplePermissions()) { result ->
+        allGranted.invoke(result.keys.all { result[it] == true })
+    }
+}
+
 /**
  * See [.checkPermissions]
  *
@@ -112,14 +120,14 @@ fun checkPermissions(permissionsToBeGrantedBitMap: Int,
  * See [.checkPermissions]
  *
  * @param permissionsToBeGrantedBitMap
- * @param fragment
+ * @param activityResultLauncher       from the calling fragment that is requesting the permissions
  * @return true if the permissions are granted (synchronous flow), false otherwise (asynchronous flow)
  */
 fun checkPermissions(permissionsToBeGrantedBitMap: Int,
-                     fragment: Fragment,
-                     requestCode: Int,
+                     activity: Activity,
+                     activityResultLauncher: ActivityResultLauncher<Array<String>>,
                      @StringRes rationaleMessage: Int = 0): Boolean {
-    return checkPermissions(permissionsToBeGrantedBitMap, fragment.activity, fragment, requestCode, rationaleMessage)
+    return checkPermissions(permissionsToBeGrantedBitMap, activity, activityResultLauncher, 0, rationaleMessage)
 }
 
 /**
@@ -137,22 +145,19 @@ fun checkPermissions(permissionsToBeGrantedBitMap: Int,
  *
  * @param permissionsToBeGrantedBitMap the permissions bit map to be granted
  * @param activity                     the calling Activity that is requesting the permissions (or fragment parent)
- * @param fragment                     the calling fragment that is requesting the permissions
+ * @param activityResultLauncher       from the calling fragment that is requesting the permissions
  * @return true if the permissions are granted (synchronous flow), false otherwise (asynchronous flow)
  */
 private fun checkPermissions(permissionsToBeGrantedBitMap: Int,
-                             activity: Activity?,
-                             fragment: Fragment?,
+                             activity: Activity,
+                             activityResultLauncher: ActivityResultLauncher<Array<String>>?,
                              requestCode: Int,
                              @StringRes rationaleMessage: Int
 ): Boolean {
     var isPermissionGranted = false
 
     // sanity check
-    if (null == activity) {
-        Timber.w("## checkPermissions(): invalid input data")
-        isPermissionGranted = false
-    } else if (PERMISSIONS_EMPTY == permissionsToBeGrantedBitMap) {
+    if (PERMISSIONS_EMPTY == permissionsToBeGrantedBitMap) {
         isPermissionGranted = true
     } else if (PERMISSIONS_FOR_AUDIO_IP_CALL != permissionsToBeGrantedBitMap
             && PERMISSIONS_FOR_VIDEO_IP_CALL != permissionsToBeGrantedBitMap
@@ -222,7 +227,8 @@ private fun checkPermissions(permissionsToBeGrantedBitMap: Int,
                     .setOnCancelListener { Toast.makeText(activity, R.string.missing_permissions_warning, Toast.LENGTH_SHORT).show() }
                     .setPositiveButton(R.string.ok) { _, _ ->
                         if (permissionsListToBeGranted.isNotEmpty()) {
-                            fragment?.requestPermissions(permissionsListToBeGranted.toTypedArray(), requestCode)
+                            activityResultLauncher
+                                    ?.launch(permissionsListToBeGranted.toTypedArray())
                                     ?: run {
                                         ActivityCompat.requestPermissions(activity, permissionsListToBeGranted.toTypedArray(), requestCode)
                                     }
@@ -262,7 +268,8 @@ private fun checkPermissions(permissionsToBeGrantedBitMap: Int,
                             .show()
                     */
                 } else {
-                    fragment?.requestPermissions(permissionsArrayToBeGranted, requestCode)
+                    activityResultLauncher
+                            ?.launch(permissionsArrayToBeGranted)
                             ?: run {
                                 ActivityCompat.requestPermissions(activity, permissionsArrayToBeGranted, requestCode)
                             }
@@ -307,43 +314,6 @@ private fun updatePermissionsToBeGranted(activity: Activity,
     return isRequestPermissionRequested
 }
 
-/**
- * Helper method to process [.PERMISSIONS_FOR_AUDIO_IP_CALL]
- * on onRequestPermissionsResult() methods.
- *
- * @param context      App context
- * @param grantResults permissions granted results
- * @return true if audio IP call is permitted, false otherwise
- */
-fun onPermissionResultAudioIpCall(context: Context, grantResults: IntArray): Boolean {
-    val arePermissionsGranted = allGranted(grantResults)
-
-    if (!arePermissionsGranted) {
-        Toast.makeText(context, R.string.permissions_action_not_performed_missing_permissions, Toast.LENGTH_SHORT).show()
-    }
-
-    return arePermissionsGranted
-}
-
-/**
- * Helper method to process [.PERMISSIONS_FOR_VIDEO_IP_CALL]
- * on onRequestPermissionsResult() methods.
- * For video IP calls, record audio and camera permissions are both mandatory.
- *
- * @param context      App context
- * @param grantResults permissions granted results
- * @return true if video IP call is permitted, false otherwise
- */
-fun onPermissionResultVideoIpCall(context: Context, grantResults: IntArray): Boolean {
-    val arePermissionsGranted = allGranted(grantResults)
-
-    if (!arePermissionsGranted) {
-        Toast.makeText(context, R.string.permissions_action_not_performed_missing_permissions, Toast.LENGTH_SHORT).show()
-    }
-
-    return arePermissionsGranted
-}
-
 /**
  * Return true if all permissions are granted, false if not or if permission request has been cancelled
  */

vector/src/main/java/im/vector/app/core/utils/SystemUtils.kt

@@ -28,6 +28,7 @@ import android.os.Build
 import android.os.PowerManager
 import android.provider.Settings
 import android.widget.Toast
+import androidx.activity.result.ActivityResultLauncher
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.getSystemService
@@ -67,15 +68,11 @@ fun isAnimationDisabled(context: Context): Boolean {
  * will return false and the notification privacy will fallback to "LOW_DETAIL".
  */
 @TargetApi(Build.VERSION_CODES.M)
-fun requestDisablingBatteryOptimization(activity: Activity, fragment: Fragment?, requestCode: Int) {
+fun requestDisablingBatteryOptimization(activity: Activity, activityResultLauncher: ActivityResultLauncher<Intent>) {
     val intent = Intent()
     intent.action = Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
     intent.data = Uri.parse("package:" + activity.packageName)
-    if (fragment != null) {
-        fragment.startActivityForResult(intent, requestCode)
-    } else {
-        activity.startActivityForResult(intent, requestCode)
-    }
+    activityResultLauncher.launch(intent)
 }
 
 // ==============================================================================================================
@@ -100,7 +97,7 @@ fun copyToClipboard(context: Context, text: CharSequence, showToast: Boolean = t
  * Shows notification settings for the current app.
  * In android O will directly opens the notification settings, in lower version it will show the App settings
  */
-fun startNotificationSettingsIntent(activity: AppCompatActivity, requestCode: Int) {
+fun startNotificationSettingsIntent(activity: AppCompatActivity, activityResultLauncher: ActivityResultLauncher<Intent>) {
     val intent = Intent()
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
         intent.action = Settings.ACTION_APP_NOTIFICATION_SETTINGS
@@ -110,7 +107,7 @@ fun startNotificationSettingsIntent(activity: AppCompatActivity, requestCode: In
         intent.putExtra("app_package", activity.packageName)
         intent.putExtra("app_uid", activity.applicationInfo?.uid)
     }
-    activity.startActivityForResult(intent, requestCode)
+    activityResultLauncher.launch(intent)
 }
 
 /**
@@ -126,42 +123,47 @@ fun startNotificationChannelSettingsIntent(fragment: Fragment, channelID: String
     fragment.startActivity(intent)
 }
 
-fun startAddGoogleAccountIntent(context: AppCompatActivity, requestCode: Int) {
+fun startAddGoogleAccountIntent(context: Context, activityResultLauncher: ActivityResultLauncher<Intent>) {
     try {
         val intent = Intent(Settings.ACTION_ADD_ACCOUNT)
         intent.putExtra(Settings.EXTRA_ACCOUNT_TYPES, arrayOf("com.google"))
-        context.startActivityForResult(intent, requestCode)
+        activityResultLauncher.launch(intent)
     } catch (activityNotFoundException: ActivityNotFoundException) {
         context.toast(R.string.error_no_external_application_found)
     }
 }
 
-fun startSharePlainTextIntent(fragment: Fragment, chooserTitle: String?, text: String, subject: String? = null, requestCode: Int? = null) {
+fun startSharePlainTextIntent(fragment: Fragment,
+                              activityResultLauncher: ActivityResultLauncher<Intent>?,
+                              chooserTitle: String?,
+                              text: String,
+                              subject: String? = null) {
     val share = Intent(Intent.ACTION_SEND)
     share.type = "text/plain"
     share.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT)
     // Add data to the intent, the receiving app will decide what to do with it.
     share.putExtra(Intent.EXTRA_SUBJECT, subject)
     share.putExtra(Intent.EXTRA_TEXT, text)
+    val intent = Intent.createChooser(share, chooserTitle)
     try {
-        if (requestCode != null) {
-            fragment.startActivityForResult(Intent.createChooser(share, chooserTitle), requestCode)
+        if (activityResultLauncher != null) {
+            activityResultLauncher.launch(intent)
         } else {
-            fragment.startActivity(Intent.createChooser(share, chooserTitle))
+            fragment.startActivity(intent)
         }
     } catch (activityNotFoundException: ActivityNotFoundException) {
         fragment.activity?.toast(R.string.error_no_external_application_found)
     }
 }
 
-fun startImportTextFromFileIntent(fragment: Fragment, requestCode: Int) {
+fun startImportTextFromFileIntent(context: Context, activityResultLauncher: ActivityResultLauncher<Intent>) {
     val intent = Intent(Intent.ACTION_GET_CONTENT).apply {
         type = "text/plain"
     }
-    if (intent.resolveActivity(fragment.requireActivity().packageManager) != null) {
-        fragment.startActivityForResult(intent, requestCode)
+    if (intent.resolveActivity(context.packageManager) != null) {
+        activityResultLauncher.launch(intent)
     } else {
-        fragment.activity?.toast(R.string.error_no_external_application_found)
+        context.toast(R.string.error_no_external_application_found)
     }
 }
 

vector/src/main/java/im/vector/app/features/attachments/AttachmentsHelper.kt

@@ -15,12 +15,11 @@
  */
 package im.vector.app.features.attachments
 
-import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
-import androidx.fragment.app.Fragment
+import androidx.activity.result.ActivityResultLauncher
 import im.vector.app.core.platform.Restorable
 import im.vector.lib.multipicker.MultiPicker
 import org.matrix.android.sdk.BuildConfig
@@ -48,6 +47,7 @@ class AttachmentsHelper(val context: Context, val callback: Callback) : Restorab
 
     // Capture path allows to handle camera image picking. It must be restored if the activity gets killed.
     private var captureUri: Uri? = null
+
     // The pending type is set if we have to handle permission request. It must be restored if the activity gets killed.
     var pendingType: AttachmentTypeSelectorView.Type? = null
 
@@ -72,99 +72,93 @@ class AttachmentsHelper(val context: Context, val callback: Callback) : Restorab
     /**
      * Starts the process for handling file picking
      */
-    fun selectFile(fragment: Fragment) {
-        MultiPicker.get(MultiPicker.FILE).startWith(fragment)
+    fun selectFile(activityResultLauncher: ActivityResultLauncher<Intent>) {
+        MultiPicker.get(MultiPicker.FILE).startWith(activityResultLauncher)
     }
 
     /**
      * Starts the process for handling image picking
      */
-    fun selectGallery(fragment: Fragment) {
-        MultiPicker.get(MultiPicker.IMAGE).startWith(fragment)
+    fun selectGallery(activityResultLauncher: ActivityResultLauncher<Intent>) {
+        MultiPicker.get(MultiPicker.IMAGE).startWith(activityResultLauncher)
     }
 
     /**
      * Starts the process for handling audio picking
      */
-    fun selectAudio(fragment: Fragment) {
-        MultiPicker.get(MultiPicker.AUDIO).startWith(fragment)
+    fun selectAudio(activityResultLauncher: ActivityResultLauncher<Intent>) {
+        MultiPicker.get(MultiPicker.AUDIO).startWith(activityResultLauncher)
     }
 
     /**
      * Starts the process for handling capture image picking
      */
-    fun openCamera(fragment: Fragment) {
-        captureUri = MultiPicker.get(MultiPicker.CAMERA).startWithExpectingFile(fragment)
+    fun openCamera(context: Context, activityResultLauncher: ActivityResultLauncher<Intent>) {
+        captureUri = MultiPicker.get(MultiPicker.CAMERA).startWithExpectingFile(context, activityResultLauncher)
     }
 
     /**
      * Starts the process for handling contact picking
      */
-    fun selectContact(fragment: Fragment) {
-        MultiPicker.get(MultiPicker.CONTACT).startWith(fragment)
+    fun selectContact(activityResultLauncher: ActivityResultLauncher<Intent>) {
+        MultiPicker.get(MultiPicker.CONTACT).startWith(activityResultLauncher)
     }
 
     /**
-     * This methods aims to handle on activity result data.
-     *
-     * @return true if it can handle the data, false otherwise
+     * This methods aims to handle the result data.
      */
-    fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?): Boolean {
-        if (resultCode == Activity.RESULT_OK) {
-            when (requestCode) {
-                MultiPicker.REQUEST_CODE_PICK_FILE    -> {
-                    callback.onContentAttachmentsReady(
-                            MultiPicker.get(MultiPicker.FILE)
-                                    .getSelectedFiles(context, requestCode, resultCode, data)
-                                    .map { it.toContentAttachmentData() }
-                    )
+    fun onFileResult(data: Intent?) {
+        callback.onContentAttachmentsReady(
+                MultiPicker.get(MultiPicker.FILE)
+                        .getSelectedFiles(context, data)
+                        .map { it.toContentAttachmentData() }
+        )
+    }
+
+    fun onAudioResult(data: Intent?) {
+        callback.onContentAttachmentsReady(
+                MultiPicker.get(MultiPicker.AUDIO)
+                        .getSelectedFiles(context, data)
+                        .map { it.toContentAttachmentData() }
+        )
+    }
+
+    fun onContactResult(data: Intent?) {
+        MultiPicker.get(MultiPicker.CONTACT)
+                .getSelectedFiles(context, data)
+                .firstOrNull()
+                ?.toContactAttachment()
+                ?.let {
+                    callback.onContactAttachmentReady(it)
                 }
-                MultiPicker.REQUEST_CODE_PICK_AUDIO   -> {
-                    callback.onContentAttachmentsReady(
-                            MultiPicker.get(MultiPicker.AUDIO)
-                                    .getSelectedFiles(context, requestCode, resultCode, data)
-                                    .map { it.toContentAttachmentData() }
-                    )
-                }
-                MultiPicker.REQUEST_CODE_PICK_CONTACT -> {
-                    MultiPicker.get(MultiPicker.CONTACT)
-                            .getSelectedFiles(context, requestCode, resultCode, data)
-                            .firstOrNull()
-                            ?.toContactAttachment()
-                            ?.let {
-                                callback.onContactAttachmentReady(it)
-                            }
-                }
-                MultiPicker.REQUEST_CODE_PICK_IMAGE   -> {
-                    callback.onContentAttachmentsReady(
-                            MultiPicker.get(MultiPicker.IMAGE)
-                                    .getSelectedFiles(context, requestCode, resultCode, data)
-                                    .map { it.toContentAttachmentData() }
-                    )
-                }
-                MultiPicker.REQUEST_CODE_TAKE_PHOTO   -> {
-                    captureUri?.let { captureUri ->
-                        MultiPicker.get(MultiPicker.CAMERA)
-                                .getTakenPhoto(context, requestCode, resultCode, captureUri)
-                                ?.let {
-                                    callback.onContentAttachmentsReady(
-                                            listOf(it).map { it.toContentAttachmentData() }
-                                    )
-                                }
+    }
+
+    fun onImageResult(data: Intent?) {
+        callback.onContentAttachmentsReady(
+                MultiPicker.get(MultiPicker.IMAGE)
+                        .getSelectedFiles(context, data)
+                        .map { it.toContentAttachmentData() }
+        )
+    }
+
+    fun onPhotoResult() {
+        captureUri?.let { captureUri ->
+            MultiPicker.get(MultiPicker.CAMERA)
+                    .getTakenPhoto(context, captureUri)
+                    ?.let {
+                        callback.onContentAttachmentsReady(
+                                listOf(it).map { it.toContentAttachmentData() }
+                        )
                     }
-                }
-                MultiPicker.REQUEST_CODE_PICK_VIDEO   -> {
-                    callback.onContentAttachmentsReady(
-                            MultiPicker.get(MultiPicker.VIDEO)
-                                    .getSelectedFiles(context, requestCode, resultCode, data)
-                                    .map { it.toContentAttachmentData() }
-                    )
-                }
-                else                                  -> return false
-            }
-            return true
         }
-        return false
+    }
+
+    fun onVideoResult(data: Intent?) {
+        callback.onContentAttachmentsReady(
+                MultiPicker.get(MultiPicker.VIDEO)
+                        .getSelectedFiles(context, data)
+                        .map { it.toContentAttachmentData() }
+        )
     }
 
     /**

vector/src/main/java/im/vector/app/features/attachments/preview/AttachmentsPreviewActivity.kt

@@ -30,8 +30,6 @@ import org.matrix.android.sdk.api.session.content.ContentAttachmentData
 class AttachmentsPreviewActivity : VectorBaseActivity(), ToolbarConfigurable {
 
     companion object {
-        const val REQUEST_CODE = 55
-
         private const val EXTRA_FRAGMENT_ARGS = "EXTRA_FRAGMENT_ARGS"
         private const val ATTACHMENTS_PREVIEW_RESULT = "ATTACHMENTS_PREVIEW_RESULT"
         private const val KEEP_ORIGINAL_IMAGES_SIZE = "KEEP_ORIGINAL_IMAGES_SIZE"

vector/src/main/java/im/vector/app/features/attachments/preview/AttachmentsPreviewFragment.kt

@@ -81,6 +81,10 @@ class AttachmentsPreviewFragment @Inject constructor(
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        // TODO handle this one (Ucrop lib)
+        @Suppress("DEPRECATION")
+        super.onActivityResult(requestCode, resultCode, data)
+
         if (resultCode == RESULT_OK) {
             if (requestCode == UCrop.REQUEST_CROP && data != null) {
                 Timber.v("Crop success")

vector/src/main/java/im/vector/app/features/call/VectorCallActivity.kt

@@ -298,6 +298,7 @@ class VectorCallActivity : VectorBaseActivity(), CallControlsView.InteractionLis
     }
 
     override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
         if (requestCode == CAPTURE_PERMISSION_REQUEST_CODE && allGranted(grantResults)) {
             start()
         } else {

vector/src/main/java/im/vector/app/features/call/conference/VectorJitsiActivity.kt

@@ -150,6 +150,7 @@ class VectorJitsiActivity : VectorBaseActivity(), JitsiMeetActivityInterface, Ji
     }
 
     override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
         JitsiMeetActivityDelegate.onRequestPermissionsResult(requestCode, permissions, grantResults)
     }
 

vector/src/main/java/im/vector/app/features/createdirect/CreateDirectRoomActivity.kt

@@ -111,6 +111,7 @@ class CreateDirectRoomActivity : SimpleFragmentActivity() {
     }
 
     override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
         if (allGranted(grantResults)) {
             if (requestCode == PERMISSION_REQUEST_CODE_READ_CONTACTS) {
                 doOnPostResume {  addFragmentToBackstack(R.id.container, ContactsBookFragment::class.java) }

vector/src/main/java/im/vector/app/features/crypto/keysbackup/restore/KeysBackupRestoreActivity.kt

@@ -23,6 +23,7 @@ import androidx.lifecycle.Observer
 import im.vector.app.R
 import im.vector.app.core.extensions.addFragmentToBackstack
 import im.vector.app.core.extensions.observeEvent
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.extensions.replaceFragment
 import im.vector.app.core.platform.SimpleFragmentActivity
 import im.vector.app.core.ui.views.KeysBackupBanner
@@ -32,8 +33,6 @@ import org.matrix.android.sdk.api.session.crypto.crosssigning.KEYBACKUP_SECRET_S
 class KeysBackupRestoreActivity : SimpleFragmentActivity() {
 
     companion object {
-
-        private const val REQUEST_4S_SECRET = 100
         const val SECRET_ALIAS = SharedSecureStorageActivity.DEFAULT_RESULT_KEYSTORE_ALIAS
 
         fun intent(context: Context): Intent {
@@ -130,22 +129,19 @@ class KeysBackupRestoreActivity : SimpleFragmentActivity() {
                 requestedSecrets = listOf(KEYBACKUP_SECRET_SSSS_NAME),
                 resultKeyStoreAlias = SECRET_ALIAS
         ).let {
-            startActivityForResult(it, REQUEST_4S_SECRET)
+            secretStartForActivityResult.launch(it)
         }
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (requestCode == REQUEST_4S_SECRET) {
-            val extraResult = data?.getStringExtra(SharedSecureStorageActivity.EXTRA_DATA_RESULT)
-            if (resultCode == Activity.RESULT_OK && extraResult != null) {
-                viewModel.handleGotSecretFromSSSS(
-                        extraResult,
-                        SECRET_ALIAS
-                )
-            } else {
-                finish()
-            }
+    private val secretStartForActivityResult = registerStartForActivityResult { activityResult ->
+        val extraResult = activityResult.data?.getStringExtra(SharedSecureStorageActivity.EXTRA_DATA_RESULT)
+        if (activityResult.resultCode == Activity.RESULT_OK && extraResult != null) {
+            viewModel.handleGotSecretFromSSSS(
+                    extraResult,
+                    SECRET_ALIAS
+            )
+        } else {
+            finish()
         }
-        super.onActivityResult(requestCode, resultCode, data)
     }
 }

vector/src/main/java/im/vector/app/features/crypto/keysbackup/restore/KeysBackupRestoreFromKeyFragment.kt

@@ -16,9 +16,9 @@
 package im.vector.app.features.crypto.keysbackup.restore
 
 import android.app.Activity
-import android.content.Intent
 import android.os.Bundle
 import android.text.Editable
+import android.view.View
 import android.view.inputmethod.EditorInfo
 import android.widget.EditText
 import androidx.lifecycle.Observer
@@ -27,19 +27,15 @@ import butterknife.OnClick
 import butterknife.OnTextChanged
 import com.google.android.material.textfield.TextInputLayout
 import im.vector.app.R
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.core.utils.startImportTextFromFileIntent
-import timber.log.Timber
+import org.matrix.android.sdk.api.extensions.tryOrNull
 import javax.inject.Inject
 
 class KeysBackupRestoreFromKeyFragment @Inject constructor()
     : VectorBaseFragment() {
 
-    companion object {
-
-        private const val REQUEST_TEXT_FILE_GET = 1
-    }
-
     override fun getLayoutResId() = R.layout.fragment_keys_backup_restore_from_key
 
     private lateinit var viewModel: KeysBackupRestoreFromKeyViewModel
@@ -47,11 +43,12 @@ class KeysBackupRestoreFromKeyFragment @Inject constructor()
 
     @BindView(R.id.keys_backup_key_enter_til)
     lateinit var mKeyInputLayout: TextInputLayout
+
     @BindView(R.id.keys_restore_key_enter_edittext)
     lateinit var mKeyTextEdit: EditText
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         viewModel = fragmentViewModelProvider.get(KeysBackupRestoreFromKeyViewModel::class.java)
         sharedViewModel = activityViewModelProvider.get(KeysBackupRestoreSharedViewModel::class.java)
         mKeyTextEdit.setText(viewModel.recoveryCode.value)
@@ -88,29 +85,23 @@ class KeysBackupRestoreFromKeyFragment @Inject constructor()
 
     @OnClick(R.id.keys_backup_import)
     fun onImport() {
-        startImportTextFromFileIntent(this, REQUEST_TEXT_FILE_GET)
+        startImportTextFromFileIntent(requireContext(), textFileStartForActivityResult)
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (requestCode == REQUEST_TEXT_FILE_GET && resultCode == Activity.RESULT_OK) {
-            val dataURI = data?.data
-            if (dataURI != null) {
-                try {
-                    activity
-                            ?.contentResolver
-                            ?.openInputStream(dataURI)
-                            ?.bufferedReader()
-                            ?.use { it.readText() }
-                            ?.let {
-                                mKeyTextEdit.setText(it)
-                                mKeyTextEdit.setSelection(it.length)
-                            }
-                } catch (e: Exception) {
-                    Timber.e(e, "Failed to read recovery kay from text")
-                }
+    private val textFileStartForActivityResult = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            val dataURI = activityResult.data?.data ?: return@registerStartForActivityResult
+            tryOrNull(message = "Failed to read recovery kay from text") {
+                activity
+                        ?.contentResolver
+                        ?.openInputStream(dataURI)
+                        ?.bufferedReader()
+                        ?.use { it.readText() }
+                        ?.let {
+                            mKeyTextEdit.setText(it)
+                            mKeyTextEdit.setSelection(it.length)
+                        }
             }
-            return
         }
-        super.onActivityResult(requestCode, resultCode, data)
     }
 }

vector/src/main/java/im/vector/app/features/crypto/keysbackup/restore/KeysBackupRestoreFromPassphraseFragment.kt

@@ -59,8 +59,8 @@ class KeysBackupRestoreFromPassphraseFragment @Inject constructor() : VectorBase
         viewModel.showPasswordMode.value = !(viewModel.showPasswordMode.value ?: false)
     }
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
         viewModel = fragmentViewModelProvider.get(KeysBackupRestoreFromPassphraseViewModel::class.java)
         sharedViewModel = activityViewModelProvider.get(KeysBackupRestoreSharedViewModel::class.java)

vector/src/main/java/im/vector/app/features/crypto/keysbackup/restore/KeysBackupRestoreSuccessFragment.kt

@@ -16,6 +16,7 @@
 package im.vector.app.features.crypto.keysbackup.restore
 
 import android.os.Bundle
+import android.view.View
 import android.widget.TextView
 import androidx.core.view.isVisible
 import butterknife.BindView
@@ -36,8 +37,8 @@ class KeysBackupRestoreSuccessFragment @Inject constructor() : VectorBaseFragmen
 
     private lateinit var sharedViewModel: KeysBackupRestoreSharedViewModel
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         sharedViewModel = activityViewModelProvider.get(KeysBackupRestoreSharedViewModel::class.java)
 
         if (compareValues(sharedViewModel.importKeyResult?.totalNumberOfKeys, 0) > 0) {

vector/src/main/java/im/vector/app/features/crypto/keysbackup/setup/KeysBackupSetupActivity.kt

@@ -26,6 +26,7 @@ import im.vector.app.R
 import im.vector.app.core.dialogs.ExportKeysDialog
 import im.vector.app.core.extensions.observeEvent
 import im.vector.app.core.extensions.queryExportKeys
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.extensions.replaceFragment
 import im.vector.app.core.platform.SimpleFragmentActivity
 import im.vector.app.core.utils.toast
@@ -93,7 +94,7 @@ class KeysBackupSetupActivity : SimpleFragmentActivity() {
                             .show()
                 }
                 KeysBackupSetupSharedViewModel.NAVIGATE_MANUAL_EXPORT  -> {
-                    queryExportKeys(session.myUserId, REQUEST_CODE_SAVE_MEGOLM_EXPORT)
+                    queryExportKeys(session.myUserId, saveStartForActivityResult)
                 }
             }
         }
@@ -125,10 +126,10 @@ class KeysBackupSetupActivity : SimpleFragmentActivity() {
         })
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (requestCode == REQUEST_CODE_SAVE_MEGOLM_EXPORT) {
-            val uri = data?.data
-            if (resultCode == Activity.RESULT_OK && uri != null) {
+    private val saveStartForActivityResult = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            val uri = activityResult.data?.data
+            if (uri != null) {
                 ExportKeysDialog().show(this, object : ExportKeysDialog.ExportKeyDialogListener {
                     override fun onPassphrase(passphrase: String) {
                         showWaitingView()
@@ -163,7 +164,6 @@ class KeysBackupSetupActivity : SimpleFragmentActivity() {
                 hideWaitingView()
             }
         }
-        super.onActivityResult(requestCode, resultCode, data)
     }
 
     override fun onBackPressed() {
@@ -198,7 +198,6 @@ class KeysBackupSetupActivity : SimpleFragmentActivity() {
         const val KEYS_VERSION = "KEYS_VERSION"
         const val MANUAL_EXPORT = "MANUAL_EXPORT"
         const val EXTRA_SHOW_MANUAL_EXPORT = "SHOW_MANUAL_EXPORT"
-        const val REQUEST_CODE_SAVE_MEGOLM_EXPORT = 101
 
         fun intent(context: Context, showManualExport: Boolean): Intent {
             val intent = Intent(context, KeysBackupSetupActivity::class.java)

vector/src/main/java/im/vector/app/features/crypto/keysbackup/setup/KeysBackupSetupStep1Fragment.kt

@@ -40,8 +40,8 @@ class KeysBackupSetupStep1Fragment @Inject constructor() : VectorBaseFragment()
     @BindView(R.id.keys_backup_setup_step1_manualExport)
     lateinit var manualExportButton: Button
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
         viewModel = activityViewModelProvider.get(KeysBackupSetupSharedViewModel::class.java)
 

vector/src/main/java/im/vector/app/features/crypto/keysbackup/setup/KeysBackupSetupStep2Fragment.kt

@@ -16,6 +16,7 @@
 package im.vector.app.features.crypto.keysbackup.setup
 
 import android.os.Bundle
+import android.view.View
 import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo
 import android.widget.EditText
@@ -77,8 +78,8 @@ class KeysBackupSetupStep2Fragment @Inject constructor() : VectorBaseFragment()
 
     private lateinit var viewModel: KeysBackupSetupSharedViewModel
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
         viewModel = activityViewModelProvider.get(KeysBackupSetupSharedViewModel::class.java)
 

vector/src/main/java/im/vector/app/features/crypto/keysbackup/setup/KeysBackupSetupStep3Fragment.kt

@@ -16,7 +16,6 @@
 package im.vector.app.features.crypto.keysbackup.setup
 
 import android.app.Activity
-import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
 import android.view.View
@@ -31,6 +30,7 @@ import butterknife.BindView
 import butterknife.OnClick
 import com.google.android.material.bottomsheet.BottomSheetDialog
 import im.vector.app.R
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.core.utils.LiveEvent
 import im.vector.app.core.utils.copyToClipboard
@@ -48,10 +48,6 @@ import javax.inject.Inject
 
 class KeysBackupSetupStep3Fragment @Inject constructor() : VectorBaseFragment() {
 
-    companion object {
-        private const val SAVE_RECOVERY_KEY_REQUEST_CODE = 2754
-    }
-
     override fun getLayoutResId() = R.layout.fragment_keys_backup_setup_step3
 
     @BindView(R.id.keys_backup_setup_step3_button)
@@ -65,8 +61,8 @@ class KeysBackupSetupStep3Fragment @Inject constructor() : VectorBaseFragment()
 
     private lateinit var viewModel: KeysBackupSetupSharedViewModel
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         viewModel = activityViewModelProvider.get(KeysBackupSetupSharedViewModel::class.java)
 
         viewModel.shouldPromptOnBack = false
@@ -138,19 +134,20 @@ class KeysBackupSetupStep3Fragment @Inject constructor() : VectorBaseFragment()
             val timestamp = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault()).format(Date())
             selectTxtFileToWrite(
                     activity = requireActivity(),
-                    fragment = this,
+                    activityResultLauncher = saveRecoveryActivityResultLauncher,
                     defaultFileName = "recovery-key-$userId-$timestamp.txt",
-                    chooserHint = getString(R.string.save_recovery_key_chooser_hint),
-                    requestCode = SAVE_RECOVERY_KEY_REQUEST_CODE
+                    chooserHint = getString(R.string.save_recovery_key_chooser_hint)
             )
             dialog.dismiss()
         }
 
         dialog.findViewById<View>(R.id.keys_backup_setup_share)?.setOnClickListener {
-            startSharePlainTextIntent(this,
-                    context?.getString(R.string.keys_backup_setup_step3_share_intent_chooser_title),
-                    recoveryKey,
-                    context?.getString(R.string.recovery_key))
+            startSharePlainTextIntent(
+                    fragment = this,
+                    activityResultLauncher = null,
+                    chooserTitle = context?.getString(R.string.keys_backup_setup_step3_share_intent_chooser_title),
+                    text = recoveryKey,
+                    subject = context?.getString(R.string.recovery_key))
             viewModel.copyHasBeenMade = true
             dialog.dismiss()
         }
@@ -202,15 +199,11 @@ class KeysBackupSetupStep3Fragment @Inject constructor() : VectorBaseFragment()
         }
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        when (requestCode) {
-            SAVE_RECOVERY_KEY_REQUEST_CODE -> {
-                val uri = data?.data
-                if (resultCode == Activity.RESULT_OK && uri != null) {
-                    viewModel.recoveryKey.value?.let {
-                        exportRecoveryKeyToFile(uri, it)
-                    }
-                }
+    private val saveRecoveryActivityResultLauncher = registerStartForActivityResult { activityRessult ->
+        val uri = activityRessult.data?.data ?: return@registerStartForActivityResult
+        if (activityRessult.resultCode == Activity.RESULT_OK) {
+            viewModel.recoveryKey.value?.let {
+                exportRecoveryKeyToFile(uri, it)
             }
         }
     }

vector/src/main/java/im/vector/app/features/crypto/keysrequest/KeyRequestHandler.kt

@@ -126,7 +126,7 @@ class KeyRequestHandler @Inject constructor(
                     // can we get more info on this device?
                     session?.cryptoService()?.getMyDevicesInfo()?.firstOrNull { it.deviceId == deviceId }?.let {
                         postAlert(context, userId, deviceId, true, deviceInfo, it)
-                    } ?: kotlin.run {
+                    } ?: run {
                         postAlert(context, userId, deviceId, true, deviceInfo)
                     }
                 } else {

vector/src/main/java/im/vector/app/features/crypto/quads/SharedSecureStorageActivity.kt

@@ -24,6 +24,8 @@ import android.os.Parcelable
 import android.view.View
 import androidx.appcompat.app.AlertDialog
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.FragmentOnAttachListener
 import com.airbnb.mvrx.MvRx
 import com.airbnb.mvrx.viewModel
 import im.vector.app.R
@@ -38,7 +40,10 @@ import kotlinx.android.synthetic.main.activity.*
 import javax.inject.Inject
 import kotlin.reflect.KClass
 
-class SharedSecureStorageActivity : SimpleFragmentActivity(), VectorBaseBottomSheetDialogFragment.ResultListener {
+class SharedSecureStorageActivity :
+        SimpleFragmentActivity(),
+        VectorBaseBottomSheetDialogFragment.ResultListener,
+        FragmentOnAttachListener {
 
     @Parcelize
     data class Args(
@@ -58,6 +63,8 @@ class SharedSecureStorageActivity : SimpleFragmentActivity(), VectorBaseBottomSh
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        supportFragmentManager.addFragmentOnAttachListener(this)
+
         toolbar.visibility = View.GONE
 
         viewModel.observeViewEvents { observeViewEvents(it) }
@@ -65,6 +72,11 @@ class SharedSecureStorageActivity : SimpleFragmentActivity(), VectorBaseBottomSh
         viewModel.subscribe(this) { renderState(it) }
     }
 
+    override fun onDestroy() {
+        super.onDestroy()
+        supportFragmentManager.removeFragmentOnAttachListener(this)
+    }
+
     override fun onBackPressed() {
         viewModel.handle(SharedSecureStorageAction.Back)
     }
@@ -119,8 +131,7 @@ class SharedSecureStorageActivity : SimpleFragmentActivity(), VectorBaseBottomSh
         }
     }
 
-    override fun onAttachFragment(fragment: Fragment) {
-        super.onAttachFragment(fragment)
+    override fun onAttachFragment(fragmentManager: FragmentManager, fragment: Fragment) {
         if (fragment is VectorBaseBottomSheetDialogFragment) {
             fragment.resultListener = this
         }

vector/src/main/java/im/vector/app/features/crypto/quads/SharedSecuredStorageKeyFragment.kt

@@ -17,7 +17,6 @@
 package im.vector.app.features.crypto.quads
 
 import android.app.Activity
-import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import android.view.inputmethod.EditorInfo
@@ -25,6 +24,7 @@ import com.airbnb.mvrx.activityViewModel
 import com.jakewharton.rxbinding3.widget.editorActionEvents
 import com.jakewharton.rxbinding3.widget.textChanges
 import im.vector.app.R
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.core.utils.startImportTextFromFileIntent
 import io.reactivex.android.schedulers.AndroidSchedulers
@@ -61,7 +61,7 @@ class SharedSecuredStorageKeyFragment @Inject constructor() : VectorBaseFragment
                 }
                 .disposeOnDestroyView()
 
-        ssss_key_use_file.debouncedClicks { startImportTextFromFileIntent(this, IMPORT_FILE_REQ) }
+        ssss_key_use_file.debouncedClicks { startImportTextFromFileIntent(requireContext(), importFileStartForActivityResult) }
 
         ssss_key_reset.clickableView.debouncedClicks {
             sharedViewModel.handle(SharedSecureStorageAction.ForgotResetAll)
@@ -85,9 +85,9 @@ class SharedSecuredStorageKeyFragment @Inject constructor() : VectorBaseFragment
         sharedViewModel.handle(SharedSecureStorageAction.SubmitKey(text))
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (requestCode == IMPORT_FILE_REQ && resultCode == Activity.RESULT_OK) {
-            data?.data?.let { dataURI ->
+    private val importFileStartForActivityResult = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            activityResult.data?.data?.let { dataURI ->
                 tryOrNull {
                     activity?.contentResolver?.openInputStream(dataURI)
                             ?.bufferedReader()
@@ -97,12 +97,6 @@ class SharedSecuredStorageKeyFragment @Inject constructor() : VectorBaseFragment
                             }
                 }
             }
-            return
         }
-        super.onActivityResult(requestCode, resultCode, data)
-    }
-
-    companion object {
-        private const val IMPORT_FILE_REQ = 0
     }
 }

vector/src/main/java/im/vector/app/features/crypto/recover/BootstrapCrossSigningTask.kt

@@ -139,7 +139,7 @@ class BootstrapCrossSigningTask @Inject constructor(
                             null,
                             it
                     )
-                } ?: kotlin.run {
+                } ?: run {
                     ssssService.generateKey(
                             UUID.randomUUID().toString(),
                             params.keySpec,

vector/src/main/java/im/vector/app/features/crypto/recover/BootstrapMigrateBackupFragment.kt

@@ -17,7 +17,6 @@
 package im.vector.app.features.crypto.recover
 
 import android.app.Activity
-import android.content.Intent
 import android.os.Bundle
 import android.text.InputType.TYPE_CLASS_TEXT
 import android.text.InputType.TYPE_TEXT_FLAG_MULTI_LINE
@@ -32,6 +31,7 @@ import com.jakewharton.rxbinding3.widget.editorActionEvents
 import com.jakewharton.rxbinding3.widget.textChanges
 import im.vector.app.R
 import im.vector.app.core.extensions.hideKeyboard
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.extensions.showPassword
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.core.resources.ColorProvider
@@ -82,7 +82,7 @@ class BootstrapMigrateBackupFragment @Inject constructor(
         bootstrapMigrateContinueButton.debouncedClicks { submit() }
         bootstrapMigrateShowPassword.debouncedClicks { sharedViewModel.handle(BootstrapActions.TogglePasswordVisibility) }
         bootstrapMigrateForgotPassphrase.debouncedClicks { sharedViewModel.handle(BootstrapActions.HandleForgotBackupPassphrase) }
-        bootstrapMigrateUseFile.debouncedClicks { startImportTextFromFileIntent(this, IMPORT_FILE_REQ) }
+        bootstrapMigrateUseFile.debouncedClicks { startImportTextFromFileIntent(requireContext(), importFileStartForActivityResult) }
     }
 
     private fun submit() = withState(sharedViewModel) { state ->
@@ -147,9 +147,9 @@ class BootstrapMigrateBackupFragment @Inject constructor(
         }
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (requestCode == IMPORT_FILE_REQ && resultCode == Activity.RESULT_OK) {
-            data?.data?.let { dataURI ->
+    private val importFileStartForActivityResult = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            activityResult.data?.data?.let { dataURI ->
                 tryOrNull {
                     activity?.contentResolver?.openInputStream(dataURI)
                             ?.bufferedReader()
@@ -159,12 +159,6 @@ class BootstrapMigrateBackupFragment @Inject constructor(
                             }
                 }
             }
-            return
         }
-        super.onActivityResult(requestCode, resultCode, data)
-    }
-
-    companion object {
-        private const val IMPORT_FILE_REQ = 0
     }
 }

vector/src/main/java/im/vector/app/features/crypto/recover/BootstrapSaveRecoveryKeyFragment.kt

@@ -16,7 +16,7 @@
 
 package im.vector.app.features.crypto.recover
 
-import android.app.Activity.RESULT_OK
+import android.app.Activity
 import android.content.ActivityNotFoundException
 import android.content.Intent
 import android.os.Bundle
@@ -25,6 +25,7 @@ import androidx.core.view.isVisible
 import com.airbnb.mvrx.parentFragmentViewModel
 import com.airbnb.mvrx.withState
 import im.vector.app.R
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.core.resources.ColorProvider
 import im.vector.app.core.utils.startSharePlainTextIntent
@@ -65,43 +66,46 @@ class BootstrapSaveRecoveryKeyFragment @Inject constructor(
 
         try {
             sharedViewModel.handle(BootstrapActions.SaveReqQueryStarted)
-            startActivityForResult(Intent.createChooser(intent, getString(R.string.keys_backup_setup_step3_please_make_copy)), REQUEST_CODE_SAVE)
+            saveStartForActivityResult.launch(Intent.createChooser(intent, getString(R.string.keys_backup_setup_step3_please_make_copy)))
         } catch (activityNotFoundException: ActivityNotFoundException) {
             requireActivity().toast(R.string.error_no_external_application_found)
             sharedViewModel.handle(BootstrapActions.SaveReqFailed)
         }
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (requestCode == REQUEST_CODE_SAVE) {
-            val uri = data?.data
-            if (resultCode == RESULT_OK && uri != null) {
-                GlobalScope.launch(Dispatchers.IO) {
-                    try {
-                        sharedViewModel.handle(BootstrapActions.SaveKeyToUri(requireContext().contentResolver!!.openOutputStream(uri)!!))
-                    } catch (failure: Throwable) {
-                        sharedViewModel.handle(BootstrapActions.SaveReqFailed)
-                    }
+    private val saveStartForActivityResult = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            val uri = activityResult.data?.data ?: return@registerStartForActivityResult
+            GlobalScope.launch(Dispatchers.IO) {
+                try {
+                    sharedViewModel.handle(BootstrapActions.SaveKeyToUri(requireContext().contentResolver!!.openOutputStream(uri)!!))
+                } catch (failure: Throwable) {
+                    sharedViewModel.handle(BootstrapActions.SaveReqFailed)
                 }
-            } else {
-                // result code seems to be always cancelled here.. so act as if it was saved
-                sharedViewModel.handle(BootstrapActions.SaveReqFailed)
             }
-            return
-        } else if (requestCode == REQUEST_CODE_COPY) {
+        } else {
+            // result code seems to be always cancelled here.. so act as if it was saved
+            sharedViewModel.handle(BootstrapActions.SaveReqFailed)
+        }
+    }
+
+    private val copyStartForActivityResult = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
             sharedViewModel.handle(BootstrapActions.RecoveryKeySaved)
         }
-        super.onActivityResult(requestCode, resultCode, data)
     }
 
     private fun shareRecoveryKey() = withState(sharedViewModel) { state ->
         val recoveryKey = state.recoveryKeyCreationInfo?.recoveryKey?.formatRecoveryKey()
                 ?: return@withState
 
-        startSharePlainTextIntent(this,
+        startSharePlainTextIntent(
+                this,
+                copyStartForActivityResult,
                 context?.getString(R.string.keys_backup_setup_step3_share_intent_chooser_title),
                 recoveryKey,
-                context?.getString(R.string.recovery_key), REQUEST_CODE_COPY)
+                context?.getString(R.string.recovery_key)
+        )
     }
 
     override fun invalidate() = withState(sharedViewModel) { state ->
@@ -111,9 +115,4 @@ class BootstrapSaveRecoveryKeyFragment @Inject constructor(
         recoveryContinue.isVisible = step.isSaved
         bootstrapRecoveryKeyText.text = state.recoveryKeyCreationInfo?.recoveryKey?.formatRecoveryKey()
     }
-
-    companion object {
-        const val REQUEST_CODE_SAVE = 123
-        const val REQUEST_CODE_COPY = 124
-    }
 }

vector/src/main/java/im/vector/app/features/crypto/recover/BootstrapSharedViewModel.kt

@@ -301,7 +301,7 @@ class BootstrapSharedViewModel @AssistedInject constructor(
     // =======================================
     private fun saveRecoveryKeyToUri(os: OutputStream) = withState { state ->
         viewModelScope.launch(Dispatchers.IO) {
-            kotlin.runCatching {
+            runCatching {
                 os.use {
                     os.write((state.recoveryKeyCreationInfo?.recoveryKey?.formatRecoveryKey() ?: "").toByteArray())
                 }

vector/src/main/java/im/vector/app/features/crypto/verification/VerificationBottomSheet.kt

@@ -17,7 +17,6 @@ package im.vector.app.features.crypto.verification
 
 import android.app.Activity
 import android.app.Dialog
-import android.content.Intent
 import android.os.Bundle
 import android.os.Parcelable
 import android.view.KeyEvent
@@ -35,6 +34,7 @@ import im.vector.app.R
 import im.vector.app.core.di.ScreenComponent
 import im.vector.app.core.extensions.commitTransaction
 import im.vector.app.core.extensions.exhaustive
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseActivity
 import im.vector.app.core.platform.VectorBaseBottomSheetDialogFragment
 import im.vector.app.features.crypto.quads.SharedSecureStorageActivity
@@ -108,12 +108,12 @@ class VerificationBottomSheet : VectorBaseBottomSheetDialogFragment() {
             when (it) {
                 is VerificationBottomSheetViewEvents.Dismiss           -> dismiss()
                 is VerificationBottomSheetViewEvents.AccessSecretStore -> {
-                    startActivityForResult(SharedSecureStorageActivity.newIntent(
+                    secretStartForActivityResult.launch(SharedSecureStorageActivity.newIntent(
                             requireContext(),
                             null, // use default key
                             listOf(MASTER_KEY_SSSS_NAME, USER_SIGNING_KEY_SSSS_NAME, SELF_SIGNING_KEY_SSSS_NAME, KEYBACKUP_SECRET_SSSS_NAME),
                             SharedSecureStorageActivity.DEFAULT_RESULT_KEYSTORE_ALIAS
-                    ), SECRET_REQUEST_CODE)
+                    ))
                 }
                 is VerificationBottomSheetViewEvents.ModalError        -> {
                     AlertDialog.Builder(requireContext())
@@ -145,10 +145,10 @@ class VerificationBottomSheet : VectorBaseBottomSheetDialogFragment() {
         }
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (resultCode == Activity.RESULT_OK && requestCode == SECRET_REQUEST_CODE) {
-            val result = data?.getStringExtra(SharedSecureStorageActivity.EXTRA_DATA_RESULT)
-            val reset = data?.getBooleanExtra(SharedSecureStorageActivity.EXTRA_DATA_RESET, false) ?: false
+    private val secretStartForActivityResult = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            val result = activityResult.data?.getStringExtra(SharedSecureStorageActivity.EXTRA_DATA_RESULT)
+            val reset = activityResult.data?.getBooleanExtra(SharedSecureStorageActivity.EXTRA_DATA_RESET, false) ?: false
             if (result != null) {
                 viewModel.handle(VerificationAction.GotResultFromSsss(result, SharedSecureStorageActivity.DEFAULT_RESULT_KEYSTORE_ALIAS))
             } else if (reset) {
@@ -156,11 +156,9 @@ class VerificationBottomSheet : VectorBaseBottomSheetDialogFragment() {
                 viewModel.handle(VerificationAction.SecuredStorageHasBeenReset)
             }
         }
-        super.onActivityResult(requestCode, resultCode, data)
     }
 
     override fun invalidate() = withState(viewModel) { state ->
-
         state.otherUserMxItem?.let { matrixItem ->
             if (state.isMe) {
                 avatarRenderer.render(matrixItem, otherUserAvatarImageView)
@@ -347,9 +345,6 @@ class VerificationBottomSheet : VectorBaseBottomSheetDialogFragment() {
     }
 
     companion object {
-
-        const val SECRET_REQUEST_CODE = 101
-
         fun withArgs(roomId: String?, otherUserId: String, transactionId: String? = null): VerificationBottomSheet {
             return VerificationBottomSheet().apply {
                 arguments = Bundle().apply {

vector/src/main/java/im/vector/app/features/crypto/verification/choose/VerificationChooseMethodFragment.kt

@@ -16,7 +16,6 @@
 package im.vector.app.features.crypto.verification.choose
 
 import android.app.Activity
-import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import com.airbnb.mvrx.fragmentViewModel
@@ -25,11 +24,11 @@ import com.airbnb.mvrx.withState
 import im.vector.app.R
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.core.utils.PERMISSIONS_FOR_TAKING_PHOTO
-import im.vector.app.core.utils.PERMISSION_REQUEST_CODE_LAUNCH_CAMERA
-import im.vector.app.core.utils.allGranted
 import im.vector.app.core.utils.checkPermissions
+import im.vector.app.core.utils.registerForPermissionsResult
 import im.vector.app.features.crypto.verification.VerificationAction
 import im.vector.app.features.crypto.verification.VerificationBottomSheetViewModel
 import im.vector.app.features.qrcode.QrCodeScannerActivity
@@ -75,16 +74,14 @@ class VerificationChooseMethodFragment @Inject constructor(
                 state.pendingRequest.invoke()?.transactionId ?: ""))
     }
 
-    override fun openCamera() {
-        if (checkPermissions(PERMISSIONS_FOR_TAKING_PHOTO, this, PERMISSION_REQUEST_CODE_LAUNCH_CAMERA)) {
+    private val openCameraActivityResultLauncher = registerForPermissionsResult { allGranted ->
+        if (allGranted) {
             doOpenQRCodeScanner()
         }
     }
 
-    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
-        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
-
-        if (requestCode == PERMISSION_REQUEST_CODE_LAUNCH_CAMERA && allGranted(grantResults)) {
+    override fun openCamera() {
+        if (checkPermissions(PERMISSIONS_FOR_TAKING_PHOTO, requireActivity(), openCameraActivityResultLauncher)) {
             doOpenQRCodeScanner()
         }
     }
@@ -94,24 +91,18 @@ class VerificationChooseMethodFragment @Inject constructor(
     }
 
     private fun doOpenQRCodeScanner() {
-        QrCodeScannerActivity.startForResult(this)
+        QrCodeScannerActivity.startForResult(requireActivity(), scanActivityResultLauncher)
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
+    private val scanActivityResultLauncher = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            val scannedQrCode = QrCodeScannerActivity.getResultText(activityResult.data)
+            val wasQrCode = QrCodeScannerActivity.getResultIsQrCode(activityResult.data)
 
-        if (resultCode == Activity.RESULT_OK) {
-            when (requestCode) {
-                QrCodeScannerActivity.QR_CODE_SCANNER_REQUEST_CODE -> {
-                    val scannedQrCode = QrCodeScannerActivity.getResultText(data)
-                    val wasQrCode = QrCodeScannerActivity.getResultIsQrCode(data)
-
-                    if (wasQrCode && !scannedQrCode.isNullOrBlank()) {
-                        onRemoteQrCodeScanned(scannedQrCode)
-                    } else {
-                        Timber.w("It was not a QR code, or empty result")
-                    }
-                }
+            if (wasQrCode && !scannedQrCode.isNullOrBlank()) {
+                onRemoteQrCodeScanned(scannedQrCode)
+            } else {
+                Timber.w("It was not a QR code, or empty result")
             }
         }
     }

vector/src/main/java/im/vector/app/features/crypto/verification/epoxy/BottomSheetVerificationEmojisItem.kt

@@ -72,7 +72,7 @@ abstract class BottomSheetVerificationEmojisItem : VectorEpoxyModel<BottomSheetV
             view.findViewById<TextView>(R.id.item_emoji_tv).isVisible = false
             view.findViewById<ImageView>(R.id.item_emoji_image).isVisible = true
             view.findViewById<ImageView>(R.id.item_emoji_image).setImageDrawable(ContextCompat.getDrawable(view.context, it))
-        } ?: kotlin.run {
+        } ?: run {
             view.findViewById<TextView>(R.id.item_emoji_tv).isVisible = true
             view.findViewById<ImageView>(R.id.item_emoji_image).isVisible = false
             view.findViewById<TextView>(R.id.item_emoji_tv).text = rep.emoji

vector/src/main/java/im/vector/app/features/discovery/DiscoverySettingsFragment.kt

@@ -16,7 +16,6 @@
 package im.vector.app.features.discovery
 
 import android.app.Activity
-import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import androidx.appcompat.app.AlertDialog
@@ -27,12 +26,12 @@ import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.extensions.exhaustive
 import im.vector.app.core.extensions.observeEvent
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseActivity
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.core.utils.ensureProtocol
 import im.vector.app.features.discovery.change.SetIdentityServerFragment
 import im.vector.app.features.settings.VectorSettingsActivity
-import im.vector.app.features.terms.ReviewTermsActivity
 import org.matrix.android.sdk.api.session.identity.SharedState
 import org.matrix.android.sdk.api.session.identity.ThreePid
 import org.matrix.android.sdk.api.session.terms.TermsService
@@ -92,22 +91,19 @@ class DiscoverySettingsFragment @Inject constructor(
         viewModel.handle(DiscoverySettingsAction.Refresh)
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (requestCode == ReviewTermsActivity.TERMS_REQUEST_CODE) {
-            if (Activity.RESULT_OK == resultCode) {
-                viewModel.handle(DiscoverySettingsAction.RetrieveBinding)
-            } else {
-                // add some error?
-            }
+    private val termsActivityResultLauncher = registerStartForActivityResult {
+        if (it.resultCode == Activity.RESULT_OK) {
+            viewModel.handle(DiscoverySettingsAction.RetrieveBinding)
+        } else {
+            // add some error?
         }
-
-        super.onActivityResult(requestCode, resultCode, data)
     }
 
     override fun openIdentityServerTerms() = withState(viewModel) { state ->
         if (state.termsNotSigned) {
             navigator.openTerms(
-                    this,
+                    requireContext(),
+                    termsActivityResultLauncher,
                     TermsService.ServiceType.IdentityService,
                     state.identityServer()?.ensureProtocol() ?: "",
                     null)

vector/src/main/java/im/vector/app/features/discovery/change/SetIdentityServerFragment.kt

@@ -16,7 +16,6 @@
 package im.vector.app.features.discovery.change
 
 import android.app.Activity
-import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import android.view.inputmethod.EditorInfo
@@ -28,13 +27,13 @@ import com.airbnb.mvrx.withState
 import com.jakewharton.rxbinding3.widget.textChanges
 import im.vector.app.R
 import im.vector.app.core.extensions.exhaustive
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.extensions.toReducedUrl
 import im.vector.app.core.platform.VectorBaseActivity
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.core.resources.ColorProvider
 import im.vector.app.core.utils.colorizeMatchingText
 import im.vector.app.features.discovery.DiscoverySharedViewModel
-import im.vector.app.features.terms.ReviewTermsActivity
 import org.matrix.android.sdk.api.session.terms.TermsService
 import kotlinx.android.synthetic.main.fragment_set_identity_server.*
 import javax.inject.Inject
@@ -121,7 +120,8 @@ class SetIdentityServerFragment @Inject constructor(
                 is SetIdentityServerViewEvents.TermsAccepted -> processIdentityServerChange()
                 is SetIdentityServerViewEvents.ShowTerms     -> {
                     navigator.openTerms(
-                            this,
+                            requireContext(),
+                            termsActivityResultLauncher,
                             TermsService.ServiceType.IdentityService,
                             it.identityServerUrl,
                             null)
@@ -150,15 +150,12 @@ class SetIdentityServerFragment @Inject constructor(
         (activity as? VectorBaseActivity)?.supportActionBar?.setTitle(R.string.identity_server)
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (requestCode == ReviewTermsActivity.TERMS_REQUEST_CODE) {
-            if (Activity.RESULT_OK == resultCode) {
-                processIdentityServerChange()
-            } else {
-                // add some error?
-            }
+    private val termsActivityResultLauncher = registerStartForActivityResult {
+        if (it.resultCode == Activity.RESULT_OK) {
+            processIdentityServerChange()
+        } else {
+            // add some error?
         }
-        super.onActivityResult(requestCode, resultCode, data)
     }
 
     private fun processIdentityServerChange() {

vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailFragment.kt

@@ -17,7 +17,7 @@
 package im.vector.app.features.home.room.detail
 
 import android.annotation.SuppressLint
-import android.app.Activity.RESULT_OK
+import android.app.Activity
 import android.content.DialogInterface
 import android.content.Intent
 import android.graphics.Typeface
@@ -73,6 +73,7 @@ import im.vector.app.core.epoxy.LayoutManagerStateRestorer
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.exhaustive
 import im.vector.app.core.extensions.hideKeyboard
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.extensions.setTextOrHide
 import im.vector.app.core.extensions.showKeyboard
 import im.vector.app.core.extensions.trackItemsVisibilityChange
@@ -91,19 +92,15 @@ import im.vector.app.core.utils.KeyboardStateUtils
 import im.vector.app.core.utils.PERMISSIONS_FOR_AUDIO_IP_CALL
 import im.vector.app.core.utils.PERMISSIONS_FOR_VIDEO_IP_CALL
 import im.vector.app.core.utils.PERMISSIONS_FOR_WRITING_FILES
-import im.vector.app.core.utils.PERMISSION_REQUEST_CODE_INCOMING_URI
-import im.vector.app.core.utils.PERMISSION_REQUEST_CODE_PICK_ATTACHMENT
 import im.vector.app.core.utils.TextUtils
-import im.vector.app.core.utils.allGranted
 import im.vector.app.core.utils.checkPermissions
 import im.vector.app.core.utils.colorizeMatchingText
 import im.vector.app.core.utils.copyToClipboard
 import im.vector.app.core.utils.createJSonViewerStyleProvider
 import im.vector.app.core.utils.createUIHandler
 import im.vector.app.core.utils.isValidUrl
-import im.vector.app.core.utils.onPermissionResultAudioIpCall
-import im.vector.app.core.utils.onPermissionResultVideoIpCall
 import im.vector.app.core.utils.openUrlInExternalBrowser
+import im.vector.app.core.utils.registerForPermissionsResult
 import im.vector.app.core.utils.saveMedia
 import im.vector.app.core.utils.shareMedia
 import im.vector.app.core.utils.toast
@@ -138,7 +135,6 @@ import im.vector.app.features.home.room.detail.timeline.item.MessageTextItem
 import im.vector.app.features.home.room.detail.timeline.item.ReadReceiptData
 import im.vector.app.features.home.room.detail.timeline.reactions.ViewReactionsBottomSheet
 import im.vector.app.features.home.room.detail.widget.RoomWidgetsBottomSheet
-import im.vector.app.features.home.room.detail.widget.WidgetRequestCodes
 import im.vector.app.features.html.EventHtmlRenderer
 import im.vector.app.features.html.PillImageSpan
 import im.vector.app.features.invite.VectorInviteView
@@ -206,8 +202,6 @@ data class RoomDetailArgs(
         val sharedData: SharedData? = null
 ) : Parcelable
 
-private const val REACTION_SELECT_REQUEST_CODE = 0
-
 class RoomDetailFragment @Inject constructor(
         private val session: Session,
         private val avatarRenderer: AvatarRenderer,
@@ -234,11 +228,6 @@ class RoomDetailFragment @Inject constructor(
         ActiveCallView.Callback {
 
     companion object {
-
-        private const val AUDIO_CALL_PERMISSION_REQUEST_CODE = 1
-        private const val VIDEO_CALL_PERMISSION_REQUEST_CODE = 2
-        private const val SAVE_ATTACHEMENT_REQUEST_CODE = 3
-
         /**
          * Sanitize the display name.
          *
@@ -371,6 +360,10 @@ class RoomDetailFragment @Inject constructor(
                 is RoomDetailViewEvents.RequestNativeWidgetPermission    -> requestNativeWidgetPermission(it)
             }.exhaustive
         }
+
+        if (savedInstanceState == null) {
+            handleShareData()
+        }
     }
 
     private fun requestNativeWidgetPermission(it: RoomDetailViewEvents.RequestNativeWidgetPermission) {
@@ -401,9 +394,14 @@ class RoomDetailFragment @Inject constructor(
         }
     }
 
+    private val integrationManagerActivityResultLauncher = registerStartForActivityResult {
+        // Noop
+    }
+
     private fun openIntegrationManager(screen: String? = null) {
         navigator.openIntegrationManager(
-                fragment = this,
+                context = requireContext(),
+                activityResultLauncher = integrationManagerActivityResultLauncher,
                 roomId = roomDetailArgs.roomId,
                 integId = null,
                 screen = screen
@@ -440,7 +438,7 @@ class RoomDetailFragment @Inject constructor(
     }
 
     private fun openStickerPicker(event: RoomDetailViewEvents.OpenStickerPicker) {
-        navigator.openStickerPicker(this, roomDetailArgs.roomId, event.widget)
+        navigator.openStickerPicker(requireContext(), stickerActivityResultLauncher, roomDetailArgs.roomId, event.widget)
     }
 
     private fun startOpenFileIntent(action: RoomDetailViewEvents.OpenFile) {
@@ -480,20 +478,17 @@ class RoomDetailFragment @Inject constructor(
         navigator.openRoom(vectorBaseActivity, action.roomId)
     }
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        if (savedInstanceState == null) {
-            when (val sharedData = roomDetailArgs.sharedData) {
-                is SharedData.Text        -> {
-                    roomDetailViewModel.handle(RoomDetailAction.EnterRegularMode(sharedData.text, fromSharing = true))
-                }
-                is SharedData.Attachments -> {
-                    // open share edition
-                    onContentAttachmentsReady(sharedData.attachmentData)
-                }
-                null                      -> Timber.v("No share data to process")
-            }.exhaustive
-        }
+    private fun handleShareData() {
+        when (val sharedData = roomDetailArgs.sharedData) {
+            is SharedData.Text        -> {
+                roomDetailViewModel.handle(RoomDetailAction.EnterRegularMode(sharedData.text, fromSharing = true))
+            }
+            is SharedData.Attachments -> {
+                // open share edition
+                onContentAttachmentsReady(sharedData.attachmentData)
+            }
+            null                      -> Timber.v("No share data to process")
+        }.exhaustive
     }
 
     override fun onDestroyView() {
@@ -791,19 +786,33 @@ class RoomDetailFragment @Inject constructor(
         }
     }
 
+    private val startCallActivityResultLauncher = registerForPermissionsResult { allGranted ->
+        if (allGranted) {
+            (roomDetailViewModel.pendingAction as? RoomDetailAction.StartCall)?.let {
+                roomDetailViewModel.pendingAction = null
+                roomDetailViewModel.handle(it)
+            }
+        } else {
+            context?.toast(R.string.permissions_action_not_performed_missing_permissions)
+            cleanUpAfterPermissionNotGranted()
+        }
+    }
+
     private fun safeStartCall2(isVideoCall: Boolean) {
         val startCallAction = RoomDetailAction.StartCall(isVideoCall)
         roomDetailViewModel.pendingAction = startCallAction
         if (isVideoCall) {
             if (checkPermissions(PERMISSIONS_FOR_VIDEO_IP_CALL,
-                            this, VIDEO_CALL_PERMISSION_REQUEST_CODE,
+                            requireActivity(),
+                            startCallActivityResultLauncher,
                             R.string.permissions_rationale_msg_camera_and_audio)) {
                 roomDetailViewModel.pendingAction = null
                 roomDetailViewModel.handle(startCallAction)
             }
         } else {
             if (checkPermissions(PERMISSIONS_FOR_AUDIO_IP_CALL,
-                            this, AUDIO_CALL_PERMISSION_REQUEST_CODE,
+                            requireActivity(),
+                            startCallActivityResultLauncher,
                             R.string.permissions_rationale_msg_record_audio)) {
                 roomDetailViewModel.pendingAction = null
                 roomDetailViewModel.handle(startCallAction)
@@ -879,27 +888,63 @@ class RoomDetailFragment @Inject constructor(
         roomDetailViewModel.handle(RoomDetailAction.SaveDraft(composerLayout.composerEditText.text.toString()))
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        val hasBeenHandled = attachmentsHelper.onActivityResult(requestCode, resultCode, data)
-        if (!hasBeenHandled && resultCode == RESULT_OK && data != null) {
-            when (requestCode) {
-                AttachmentsPreviewActivity.REQUEST_CODE        -> {
-                    val sendData = AttachmentsPreviewActivity.getOutput(data)
-                    val keepOriginalSize = AttachmentsPreviewActivity.getKeepOriginalSize(data)
-                    roomDetailViewModel.handle(RoomDetailAction.SendMedia(sendData, !keepOriginalSize))
-                }
-                REACTION_SELECT_REQUEST_CODE                   -> {
-                    val (eventId, reaction) = EmojiReactionPickerActivity.getOutput(data) ?: return
-                    roomDetailViewModel.handle(RoomDetailAction.SendReaction(eventId, reaction))
-                }
-                WidgetRequestCodes.STICKER_PICKER_REQUEST_CODE -> {
-                    val content = WidgetActivity.getOutput(data).toModel<MessageStickerContent>() ?: return
-                    roomDetailViewModel.handle(RoomDetailAction.SendSticker(content))
-                }
+    private val attachmentFileActivityResultLauncher = registerStartForActivityResult {
+        if (it.resultCode == Activity.RESULT_OK) {
+            attachmentsHelper.onImageResult(it.data)
+        }
+    }
+
+    private val attachmentAudioActivityResultLauncher = registerStartForActivityResult {
+        if (it.resultCode == Activity.RESULT_OK) {
+            attachmentsHelper.onAudioResult(it.data)
+        }
+    }
+
+    private val attachmentContactActivityResultLauncher = registerStartForActivityResult {
+        if (it.resultCode == Activity.RESULT_OK) {
+            attachmentsHelper.onContactResult(it.data)
+        }
+    }
+
+    private val attachmentImageActivityResultLauncher = registerStartForActivityResult {
+        if (it.resultCode == Activity.RESULT_OK) {
+            attachmentsHelper.onImageResult(it.data)
+        }
+    }
+
+    private val attachmentPhotoActivityResultLauncher = registerStartForActivityResult {
+        if (it.resultCode == Activity.RESULT_OK) {
+            attachmentsHelper.onPhotoResult()
+        }
+    }
+
+    private val contentAttachmentActivityResultLauncher = registerStartForActivityResult { activityResult ->
+        val data = activityResult.data ?: return@registerStartForActivityResult
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            val sendData = AttachmentsPreviewActivity.getOutput(data)
+            val keepOriginalSize = AttachmentsPreviewActivity.getKeepOriginalSize(data)
+            roomDetailViewModel.handle(RoomDetailAction.SendMedia(sendData, !keepOriginalSize))
+        }
+    }
+
+    private val emojiActivityResultLauncher = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            val eventId = EmojiReactionPickerActivity.getOutputEventId(activityResult.data)
+            val reaction = EmojiReactionPickerActivity.getOutputReaction(activityResult.data)
+            if (eventId != null && reaction != null) {
+                roomDetailViewModel.handle(RoomDetailAction.SendReaction(eventId, reaction))
             }
         }
-        // TODO why don't we call super here?
-        // super.onActivityResult(requestCode, resultCode, data)
+    }
+
+    private val stickerActivityResultLauncher = registerStartForActivityResult { activityResult ->
+        val data = activityResult.data ?: return@registerStartForActivityResult
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            WidgetActivity.getOutput(data).toModel<MessageStickerContent>()
+                    ?.let { content ->
+                        roomDetailViewModel.handle(RoomDetailAction.SendSticker(content))
+                    }
+        }
     }
 
 // PRIVATE METHODS *****************************************************************************
@@ -994,6 +1039,18 @@ class RoomDetailFragment @Inject constructor(
         }
     }
 
+    private val writingFileActivityResultLauncher = registerForPermissionsResult { allGranted ->
+        if (allGranted) {
+            val pendingUri = roomDetailViewModel.pendingUri
+            if (pendingUri != null) {
+                roomDetailViewModel.pendingUri = null
+                sendUri(pendingUri)
+            }
+        } else {
+            cleanUpAfterPermissionNotGranted()
+        }
+    }
+
     private fun setupComposer() {
         autoCompleter.setup(composerLayout.composerEditText)
 
@@ -1026,7 +1083,7 @@ class RoomDetailFragment @Inject constructor(
 
             override fun onRichContentSelected(contentUri: Uri): Boolean {
                 // We need WRITE_EXTERNAL permission
-                return if (checkPermissions(PERMISSIONS_FOR_WRITING_FILES, this@RoomDetailFragment, PERMISSION_REQUEST_CODE_INCOMING_URI)) {
+                return if (checkPermissions(PERMISSIONS_FOR_WRITING_FILES, requireActivity(), writingFileActivityResultLauncher)) {
                     sendUri(contentUri)
                 } else {
                     roomDetailViewModel.pendingUri = contentUri
@@ -1416,52 +1473,11 @@ class RoomDetailFragment @Inject constructor(
 // //        }
 //    }
 
-    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
-        if (allGranted(grantResults)) {
-            when (requestCode) {
-                SAVE_ATTACHEMENT_REQUEST_CODE           -> {
-                    sharedActionViewModel.pendingAction?.let {
-                        handleActions(it)
-                        sharedActionViewModel.pendingAction = null
-                    }
-                }
-                PERMISSION_REQUEST_CODE_INCOMING_URI    -> {
-                    val pendingUri = roomDetailViewModel.pendingUri
-                    if (pendingUri != null) {
-                        roomDetailViewModel.pendingUri = null
-                        sendUri(pendingUri)
-                    }
-                }
-                PERMISSION_REQUEST_CODE_PICK_ATTACHMENT -> {
-                    val pendingType = attachmentsHelper.pendingType
-                    if (pendingType != null) {
-                        attachmentsHelper.pendingType = null
-                        launchAttachmentProcess(pendingType)
-                    }
-                }
-                AUDIO_CALL_PERMISSION_REQUEST_CODE      -> {
-                    if (onPermissionResultAudioIpCall(requireContext(), grantResults)) {
-                        (roomDetailViewModel.pendingAction as? RoomDetailAction.StartCall)?.let {
-                            roomDetailViewModel.pendingAction = null
-                            roomDetailViewModel.handle(it)
-                        }
-                    }
-                }
-                VIDEO_CALL_PERMISSION_REQUEST_CODE      -> {
-                    if (onPermissionResultVideoIpCall(requireContext(), grantResults)) {
-                        (roomDetailViewModel.pendingAction as? RoomDetailAction.StartCall)?.let {
-                            roomDetailViewModel.pendingAction = null
-                            roomDetailViewModel.handle(it)
-                        }
-                    }
-                }
-            }
-        } else {
-            // Reset all pending data
-            roomDetailViewModel.pendingAction = null
-            roomDetailViewModel.pendingUri = null
-            attachmentsHelper.pendingType = null
-        }
+    private fun cleanUpAfterPermissionNotGranted() {
+        // Reset all pending data
+        roomDetailViewModel.pendingAction = null
+        roomDetailViewModel.pendingUri = null
+        attachmentsHelper.pendingType = null
     }
 
 //    override fun onAudioMessageClicked(messageAudioContent: MessageAudioContent) {
@@ -1576,9 +1592,20 @@ class RoomDetailFragment @Inject constructor(
         )
     }
 
+    private val saveActionActivityResultLauncher = registerForPermissionsResult { allGranted ->
+        if (allGranted) {
+            sharedActionViewModel.pendingAction?.let {
+                handleActions(it)
+                sharedActionViewModel.pendingAction = null
+            }
+        } else {
+            cleanUpAfterPermissionNotGranted()
+        }
+    }
+
     private fun onSaveActionClicked(action: EventSharedAction.Save) {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q
-                && !checkPermissions(PERMISSIONS_FOR_WRITING_FILES, this, SAVE_ATTACHEMENT_REQUEST_CODE)) {
+                && !checkPermissions(PERMISSIONS_FOR_WRITING_FILES, requireActivity(), saveActionActivityResultLauncher)) {
             sharedActionViewModel.pendingAction = action
             return
         }
@@ -1611,7 +1638,7 @@ class RoomDetailFragment @Inject constructor(
                 openRoomMemberProfile(action.userId)
             }
             is EventSharedAction.AddReaction                -> {
-                startActivityForResult(EmojiReactionPickerActivity.intent(requireContext(), action.eventId), REACTION_SELECT_REQUEST_CODE)
+                emojiActivityResultLauncher.launch(EmojiReactionPickerActivity.intent(requireContext(), action.eventId))
             }
             is EventSharedAction.ViewReactions              -> {
                 ViewReactionsBottomSheet.newInstance(roomDetailArgs.roomId, action.messageInformationData)
@@ -1816,8 +1843,20 @@ class RoomDetailFragment @Inject constructor(
 
 // AttachmentTypeSelectorView.Callback
 
+    private val typeSelectedActivityResultLauncher = registerForPermissionsResult { allGranted ->
+        if (allGranted) {
+            val pendingType = attachmentsHelper.pendingType
+            if (pendingType != null) {
+                attachmentsHelper.pendingType = null
+                launchAttachmentProcess(pendingType)
+            }
+        } else {
+            cleanUpAfterPermissionNotGranted()
+        }
+    }
+
     override fun onTypeSelected(type: AttachmentTypeSelectorView.Type) {
-        if (checkPermissions(type.permissionsBit, this, PERMISSION_REQUEST_CODE_PICK_ATTACHMENT)) {
+        if (checkPermissions(type.permissionsBit, requireActivity(), typeSelectedActivityResultLauncher)) {
             launchAttachmentProcess(type)
         } else {
             attachmentsHelper.pendingType = type
@@ -1826,11 +1865,11 @@ class RoomDetailFragment @Inject constructor(
 
     private fun launchAttachmentProcess(type: AttachmentTypeSelectorView.Type) {
         when (type) {
-            AttachmentTypeSelectorView.Type.CAMERA  -> attachmentsHelper.openCamera(this)
-            AttachmentTypeSelectorView.Type.FILE    -> attachmentsHelper.selectFile(this)
-            AttachmentTypeSelectorView.Type.GALLERY -> attachmentsHelper.selectGallery(this)
-            AttachmentTypeSelectorView.Type.AUDIO   -> attachmentsHelper.selectAudio(this)
-            AttachmentTypeSelectorView.Type.CONTACT -> attachmentsHelper.selectContact(this)
+            AttachmentTypeSelectorView.Type.CAMERA  -> attachmentsHelper.openCamera(requireContext(), attachmentPhotoActivityResultLauncher)
+            AttachmentTypeSelectorView.Type.FILE    -> attachmentsHelper.selectFile(attachmentFileActivityResultLauncher)
+            AttachmentTypeSelectorView.Type.GALLERY -> attachmentsHelper.selectGallery(attachmentImageActivityResultLauncher)
+            AttachmentTypeSelectorView.Type.AUDIO   -> attachmentsHelper.selectAudio(attachmentAudioActivityResultLauncher)
+            AttachmentTypeSelectorView.Type.CONTACT -> attachmentsHelper.selectContact(attachmentContactActivityResultLauncher)
             AttachmentTypeSelectorView.Type.STICKER -> roomDetailViewModel.handle(RoomDetailAction.SelectStickerAttachment)
         }.exhaustive
     }
@@ -1849,7 +1888,7 @@ class RoomDetailFragment @Inject constructor(
             }
             if (grouped.previewables.isNotEmpty()) {
                 val intent = AttachmentsPreviewActivity.newIntent(requireContext(), AttachmentsPreviewArgs(grouped.previewables))
-                startActivityForResult(intent, AttachmentsPreviewActivity.REQUEST_CODE)
+                contentAttachmentActivityResultLauncher.launch(intent)
             }
         }
     }

vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailViewModel.kt

@@ -1074,7 +1074,7 @@ class RoomDetailViewModel @AssistedInject constructor(
                 .buffer(1, TimeUnit.SECONDS)
                 .filter { it.isNotEmpty() }
                 .subscribeBy(onNext = { actions ->
-                    val bufferedMostRecentDisplayedEvent = actions.maxBy { it.event.displayIndex }?.event ?: return@subscribeBy
+                    val bufferedMostRecentDisplayedEvent = actions.maxByOrNull { it.event.displayIndex }?.event ?: return@subscribeBy
                     val globalMostRecentDisplayedEvent = mostRecentDisplayedEvent
                     if (trackUnreadMessages.get()) {
                         if (globalMostRecentDisplayedEvent == null) {

vector/src/main/java/im/vector/app/features/home/room/detail/readreceipts/DisplayReadReceiptsBottomSheet.kt

@@ -18,6 +18,7 @@ package im.vector.app.features.home.room.detail.readreceipts
 
 import android.os.Bundle
 import android.os.Parcelable
+import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import butterknife.BindView
 import com.airbnb.mvrx.MvRx
@@ -59,8 +60,8 @@ class DisplayReadReceiptsBottomSheet : VectorBaseBottomSheetDialogFragment(), Di
 
     override fun getLayoutResId() = R.layout.bottom_sheet_generic_list_with_title
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         sharedActionViewModel = activityViewModelProvider.get(MessageSharedActionViewModel::class.java)
         recyclerView.configureWith(epoxyController, hasFixedSize = false)
         bottomSheetTitle.text = getString(R.string.seen_by)

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/action/MessageActionsBottomSheet.kt

@@ -16,6 +16,7 @@
 package im.vector.app.features.home.room.detail.timeline.action
 
 import android.os.Bundle
+import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import butterknife.BindView
 import com.airbnb.mvrx.fragmentViewModel
@@ -51,8 +52,8 @@ class MessageActionsBottomSheet : VectorBaseBottomSheetDialogFragment(), Message
 
     override fun getLayoutResId() = R.layout.bottom_sheet_generic_list
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         sharedActionViewModel = activityViewModelProvider.get(MessageSharedActionViewModel::class.java)
         recyclerView.configureWith(messageActionsEpoxyController, hasFixedSize = false, disableItemAnimation = true)
         messageActionsEpoxyController.listener = this

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/edithistory/ViewEditHistoryBottomSheet.kt

@@ -16,6 +16,7 @@
 package im.vector.app.features.home.room.detail.timeline.edithistory
 
 import android.os.Bundle
+import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import butterknife.BindView
 import com.airbnb.mvrx.MvRx
@@ -55,8 +56,8 @@ class ViewEditHistoryBottomSheet : VectorBaseBottomSheetDialogFragment() {
 
     override fun getLayoutResId() = R.layout.bottom_sheet_generic_list_with_title
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         recyclerView.configureWith(
                 epoxyController,
                 showDivider = true,

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/MessagePollItem.kt

@@ -84,7 +84,7 @@ abstract class MessagePollItem : AbsMessageItem<MessagePollItem.Holder>() {
             }
         } else {
             holder.resultWrapper.isVisible = true
-            val maxCount = votes?.maxBy { it.value }?.value ?: 0
+            val maxCount = votes?.maxByOrNull { it.value }?.value ?: 0
             optionsContent?.options?.forEachIndexed { index, item ->
                 if (index < resultLines.size) {
                     val optionCount = votes?.get(index) ?: 0

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/reactions/ViewReactionsBottomSheet.kt

@@ -17,6 +17,7 @@
 package im.vector.app.features.home.room.detail.timeline.reactions
 
 import android.os.Bundle
+import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import butterknife.BindView
 import com.airbnb.mvrx.MvRx
@@ -55,8 +56,8 @@ class ViewReactionsBottomSheet : VectorBaseBottomSheetDialogFragment(), ViewReac
 
     override fun getLayoutResId() = R.layout.bottom_sheet_generic_list_with_title
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         sharedActionViewModel = activityViewModelProvider.get(MessageSharedActionViewModel::class.java)
         recyclerView.configureWith(epoxyController, hasFixedSize = false, showDivider = true)
         bottomSheetTitle.text = context?.getString(R.string.reactions)

vector/src/main/java/im/vector/app/features/home/room/detail/widget/RoomWidgetsBottomSheet.kt

@@ -17,6 +17,7 @@
 package im.vector.app.features.home.room.detail.widget
 
 import android.os.Bundle
+import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import butterknife.BindView
 import com.airbnb.mvrx.parentFragmentViewModel
@@ -55,8 +56,8 @@ class RoomWidgetsBottomSheet : VectorBaseBottomSheetDialogFragment(), RoomWidget
 
     override fun getLayoutResId() = R.layout.bottom_sheet_generic_list_with_title
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         recyclerView.configureWith(epoxyController, hasFixedSize = false)
         bottomSheetTitle.text = getString(R.string.active_widgets_title)
         bottomSheetTitle.textSize = 20f

vector/src/main/java/im/vector/app/features/home/room/detail/widget/WidgetRequestCodes.kt

@@ -1,22 +0,0 @@
-/*
- * Copyright (c) 2020 New Vector Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package im.vector.app.features.home.room.detail.widget
-
-object WidgetRequestCodes {
-    const val STICKER_PICKER_REQUEST_CODE = 16000
-    const val INTEGRATION_MANAGER_REQUEST_CODE = 16001
-}

vector/src/main/java/im/vector/app/features/home/room/list/actions/RoomListQuickActionsBottomSheet.kt

@@ -18,6 +18,7 @@ package im.vector.app.features.home.room.list.actions
 
 import android.os.Bundle
 import android.os.Parcelable
+import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import butterknife.BindView
 import com.airbnb.mvrx.fragmentViewModel
@@ -67,8 +68,8 @@ class RoomListQuickActionsBottomSheet : VectorBaseBottomSheetDialogFragment(), R
 
     override fun getLayoutResId() = R.layout.bottom_sheet_generic_list
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         sharedActionViewModel = activityViewModelProvider.get(RoomListQuickActionsSharedActionViewModel::class.java)
         recyclerView.configureWith(roomListActionsEpoxyController, viewPool = sharedViewPool, hasFixedSize = false, disableItemAnimation = true)
         roomListActionsEpoxyController.listener = this

vector/src/main/java/im/vector/app/features/invite/InviteUsersToRoomActivity.kt

@@ -112,6 +112,7 @@ class InviteUsersToRoomActivity : SimpleFragmentActivity() {
     }
 
     override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
         if (allGranted(grantResults)) {
             if (requestCode == PERMISSION_REQUEST_CODE_READ_CONTACTS) {
                 doOnPostResume {  addFragmentToBackstack(R.id.container, ContactsBookFragment::class.java) }

vector/src/main/java/im/vector/app/features/media/BigImageViewerActivity.kt

@@ -30,6 +30,7 @@ import com.yalantis.ucrop.UCrop
 import im.vector.app.R
 import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.di.ScreenComponent
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseActivity
 import im.vector.app.core.resources.ColorProvider
 import im.vector.app.core.resources.StringProvider
@@ -112,10 +113,10 @@ class BigImageViewerActivity : VectorBaseActivity() {
     private fun onAvatarTypeSelected(isCamera: Boolean) {
         if (isCamera) {
             if (checkPermissions(PERMISSIONS_FOR_TAKING_PHOTO, this, PERMISSION_REQUEST_CODE_LAUNCH_CAMERA)) {
-                avatarCameraUri = MultiPicker.get(MultiPicker.CAMERA).startWithExpectingFile(this)
+                avatarCameraUri = MultiPicker.get(MultiPicker.CAMERA).startWithExpectingFile(this, takePhotoActivityResultLauncher)
             }
         } else {
-            MultiPicker.get(MultiPicker.IMAGE).single().startWith(this)
+            MultiPicker.get(MultiPicker.IMAGE).single().startWith(pickImageActivityResultLauncher)
         }
     }
 
@@ -127,33 +128,43 @@ class BigImageViewerActivity : VectorBaseActivity() {
                 .start(this)
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (resultCode == Activity.RESULT_OK) {
-            when (requestCode) {
-                MultiPicker.REQUEST_CODE_TAKE_PHOTO -> {
-                    avatarCameraUri?.let { uri ->
-                        MultiPicker.get(MultiPicker.CAMERA)
-                                .getTakenPhoto(this, requestCode, resultCode, uri)
-                                ?.let {
-                                    onRoomAvatarSelected(it)
-                                }
-                    }
-                }
-                MultiPicker.REQUEST_CODE_PICK_IMAGE -> {
-                    MultiPicker
-                            .get(MultiPicker.IMAGE)
-                            .getSelectedFiles(this, requestCode, resultCode, data)
-                            .firstOrNull()?.let {
-                                onRoomAvatarSelected(it)
-                            }
-                }
-                UCrop.REQUEST_CROP                  -> data?.let { onAvatarCropped(UCrop.getOutput(it)) }
+    private val takePhotoActivityResultLauncher = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            avatarCameraUri?.let { uri ->
+                MultiPicker.get(MultiPicker.CAMERA)
+                        .getTakenPhoto(this, uri)
+                        ?.let {
+                            onRoomAvatarSelected(it)
+                        }
             }
         }
+    }
+
+    private val pickImageActivityResultLauncher = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            MultiPicker
+                    .get(MultiPicker.IMAGE)
+                    .getSelectedFiles(this, activityResult.data)
+                    .firstOrNull()?.let {
+                        onRoomAvatarSelected(it)
+                    }
+        }
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        // TODO handle this one (Ucrop lib)
+        @Suppress("DEPRECATION")
         super.onActivityResult(requestCode, resultCode, data)
+
+        if (resultCode == Activity.RESULT_OK) {
+            when (requestCode) {
+                UCrop.REQUEST_CROP -> data?.let { onAvatarCropped(UCrop.getOutput(it)) }
+            }
+        }
     }
 
     override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
         if (allGranted(grantResults)) {
             when (requestCode) {
                 PERMISSION_REQUEST_CODE_LAUNCH_CAMERA -> onAvatarTypeSelected(true)
@@ -174,7 +185,6 @@ class BigImageViewerActivity : VectorBaseActivity() {
         private const val EXTRA_TITLE = "EXTRA_TITLE"
         private const val EXTRA_IMAGE_URL = "EXTRA_IMAGE_URL"
         private const val EXTRA_CAN_EDIT_IMAGE = "EXTRA_CAN_EDIT_IMAGE"
-        const val REQUEST_CODE = 1000
 
         fun newIntent(context: Context, title: String?, imageUrl: String, canEditImage: Boolean = false): Intent {
             return Intent(context, BigImageViewerActivity::class.java).apply {

vector/src/main/java/im/vector/app/features/navigation/DefaultNavigator.kt

@@ -21,11 +21,11 @@ import android.content.Context
 import android.content.Intent
 import android.view.View
 import android.view.Window
+import androidx.activity.result.ActivityResultLauncher
 import androidx.core.app.ActivityOptionsCompat
 import androidx.core.app.TaskStackBuilder
 import androidx.core.util.Pair
 import androidx.core.view.ViewCompat
-import androidx.fragment.app.Fragment
 import im.vector.app.R
 import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.error.fatalError
@@ -45,7 +45,6 @@ import im.vector.app.features.home.room.detail.RoomDetailActivity
 import im.vector.app.features.home.room.detail.RoomDetailArgs
 import im.vector.app.features.home.room.detail.search.SearchActivity
 import im.vector.app.features.home.room.detail.search.SearchArgs
-import im.vector.app.features.home.room.detail.widget.WidgetRequestCodes
 import im.vector.app.features.home.room.filtered.FilteredRoomsActivity
 import im.vector.app.features.invite.InviteUsersToRoomActivity
 import im.vector.app.features.media.AttachmentData
@@ -266,21 +265,32 @@ class DefaultNavigator @Inject constructor(
                 }
     }
 
-    override fun openTerms(fragment: Fragment, serviceType: TermsService.ServiceType, baseUrl: String, token: String?, requestCode: Int) {
-        val intent = ReviewTermsActivity.intent(fragment.requireContext(), serviceType, baseUrl, token)
-        fragment.startActivityForResult(intent, requestCode)
+    override fun openTerms(context: Context,
+                           activityResultLauncher: ActivityResultLauncher<Intent>,
+                           serviceType: TermsService.ServiceType,
+                           baseUrl: String,
+                           token: String?) {
+        val intent = ReviewTermsActivity.intent(context, serviceType, baseUrl, token)
+        activityResultLauncher.launch(intent)
     }
 
-    override fun openStickerPicker(fragment: Fragment, roomId: String, widget: Widget, requestCode: Int) {
+    override fun openStickerPicker(context: Context,
+                                   activityResultLauncher: ActivityResultLauncher<Intent>,
+                                   roomId: String,
+                                   widget: Widget) {
         val widgetArgs = widgetArgsBuilder.buildStickerPickerArgs(roomId, widget)
-        val intent = WidgetActivity.newIntent(fragment.requireContext(), widgetArgs)
-        fragment.startActivityForResult(intent, WidgetRequestCodes.STICKER_PICKER_REQUEST_CODE)
+        val intent = WidgetActivity.newIntent(context, widgetArgs)
+        activityResultLauncher.launch(intent)
     }
 
-    override fun openIntegrationManager(fragment: Fragment, roomId: String, integId: String?, screen: String?) {
+    override fun openIntegrationManager(context: Context,
+                                        activityResultLauncher: ActivityResultLauncher<Intent>,
+                                        roomId: String,
+                                        integId: String?,
+                                        screen: String?) {
         val widgetArgs = widgetArgsBuilder.buildIntegrationManagerArgs(roomId, integId, screen)
-        val intent = WidgetActivity.newIntent(fragment.requireContext(), widgetArgs)
-        fragment.startActivityForResult(intent, WidgetRequestCodes.INTEGRATION_MANAGER_REQUEST_CODE)
+        val intent = WidgetActivity.newIntent(context, widgetArgs)
+        activityResultLauncher.launch(intent)
     }
 
     override fun openRoomWidget(context: Context, roomId: String, widget: Widget, options: Map<String, Any>?) {
@@ -293,14 +303,11 @@ class DefaultNavigator @Inject constructor(
         }
     }
 
-    override fun openPinCode(fragment: Fragment, pinMode: PinMode, requestCode: Int) {
-        val intent = PinActivity.newIntent(fragment.requireContext(), PinArgs(pinMode))
-        fragment.startActivityForResult(intent, requestCode)
-    }
-
-    override fun openPinCode(activity: Activity, pinMode: PinMode, requestCode: Int) {
-        val intent = PinActivity.newIntent(activity, PinArgs(pinMode))
-        activity.startActivityForResult(intent, requestCode)
+    override fun openPinCode(context: Context,
+                             activityResultLauncher: ActivityResultLauncher<Intent>,
+                             pinMode: PinMode) {
+        val intent = PinActivity.newIntent(context, PinArgs(pinMode))
+        activityResultLauncher.launch(intent)
     }
 
     override fun openMediaViewer(activity: Activity,

vector/src/main/java/im/vector/app/features/navigation/Navigator.kt

@@ -18,18 +18,16 @@ package im.vector.app.features.navigation
 
 import android.app.Activity
 import android.content.Context
+import android.content.Intent
 import android.view.View
+import androidx.activity.result.ActivityResultLauncher
 import androidx.core.util.Pair
-import androidx.fragment.app.Fragment
 import im.vector.app.features.crypto.recover.SetupMode
-import im.vector.app.features.home.room.detail.widget.WidgetRequestCodes
 import im.vector.app.features.media.AttachmentData
-import im.vector.app.features.pin.PinActivity
 import im.vector.app.features.pin.PinMode
 import im.vector.app.features.roomdirectory.roompreview.RoomPreviewData
 import im.vector.app.features.settings.VectorSettingsActivity
 import im.vector.app.features.share.SharedData
-import im.vector.app.features.terms.ReviewTermsActivity
 import org.matrix.android.sdk.api.session.room.model.roomdirectory.PublicRoom
 import org.matrix.android.sdk.api.session.room.model.thirdparty.RoomDirectoryData
 import org.matrix.android.sdk.api.session.terms.TermsService
@@ -84,22 +82,26 @@ interface Navigator {
 
     fun openBigImageViewer(activity: Activity, sharedElement: View?, matrixItem: MatrixItem)
 
-    fun openPinCode(fragment: Fragment, pinMode: PinMode, requestCode: Int = PinActivity.PIN_REQUEST_CODE)
+    fun openPinCode(context: Context,
+                    activityResultLauncher: ActivityResultLauncher<Intent>,
+                    pinMode: PinMode)
 
-    fun openPinCode(activity: Activity, pinMode: PinMode, requestCode: Int = PinActivity.PIN_REQUEST_CODE)
-
-    fun openTerms(fragment: Fragment,
+    fun openTerms(context: Context,
+                  activityResultLauncher: ActivityResultLauncher<Intent>,
                   serviceType: TermsService.ServiceType,
                   baseUrl: String,
-                  token: String?,
-                  requestCode: Int = ReviewTermsActivity.TERMS_REQUEST_CODE)
+                  token: String?)
 
-    fun openStickerPicker(fragment: Fragment,
+    fun openStickerPicker(context: Context,
+                          activityResultLauncher: ActivityResultLauncher<Intent>,
                           roomId: String,
-                          widget: Widget,
-                          requestCode: Int = WidgetRequestCodes.STICKER_PICKER_REQUEST_CODE)
+                          widget: Widget)
 
-    fun openIntegrationManager(fragment: Fragment, roomId: String, integId: String?, screen: String?)
+    fun openIntegrationManager(context: Context,
+                               activityResultLauncher: ActivityResultLauncher<Intent>,
+                               roomId: String,
+                               integId: String?,
+                               screen: String?)
 
     fun openRoomWidget(context: Context, roomId: String, widget: Widget, options: Map<String, Any>? = null)
 

vector/src/main/java/im/vector/app/features/pin/PinActivity.kt

@@ -28,8 +28,6 @@ import im.vector.app.core.platform.VectorBaseActivity
 class PinActivity : VectorBaseActivity(), ToolbarConfigurable, UnlockedActivity {
 
     companion object {
-        const val PIN_REQUEST_CODE = 17890
-
         fun newIntent(context: Context, args: PinArgs): Intent {
             return Intent(context, PinActivity::class.java).apply {
                 putExtra(MvRx.KEY_ARG, args)

vector/src/main/java/im/vector/app/features/qrcode/QrCodeScannerActivity.kt

@@ -19,7 +19,7 @@ package im.vector.app.features.qrcode
 import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
-import androidx.fragment.app.Fragment
+import androidx.activity.result.ActivityResultLauncher
 import com.google.zxing.BarcodeFormat
 import com.google.zxing.Result
 import com.google.zxing.ResultMetadataType
@@ -75,15 +75,8 @@ class QrCodeScannerActivity : VectorBaseActivity() {
         private const val EXTRA_OUT_TEXT = "EXTRA_OUT_TEXT"
         private const val EXTRA_OUT_IS_QR_CODE = "EXTRA_OUT_IS_QR_CODE"
 
-        const val QR_CODE_SCANNER_REQUEST_CODE = 429
-
-        // For test only
-        fun startForResult(activity: Activity, requestCode: Int = QR_CODE_SCANNER_REQUEST_CODE) {
-            activity.startActivityForResult(Intent(activity, QrCodeScannerActivity::class.java), requestCode)
-        }
-
-        fun startForResult(fragment: Fragment, requestCode: Int = QR_CODE_SCANNER_REQUEST_CODE) {
-            fragment.startActivityForResult(Intent(fragment.requireActivity(), QrCodeScannerActivity::class.java), requestCode)
+        fun startForResult(activity: Activity, activityResultLauncher: ActivityResultLauncher<Intent>) {
+            activityResultLauncher.launch(Intent(activity, QrCodeScannerActivity::class.java))
         }
 
         fun getResultText(data: Intent?): String? {

vector/src/main/java/im/vector/app/features/reactions/EmojiChooserFragment.kt

@@ -17,7 +17,6 @@ package im.vector.app.features.reactions
 
 import android.os.Bundle
 import android.view.View
-import androidx.lifecycle.observe
 import im.vector.app.R
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.platform.VectorBaseFragment

vector/src/main/java/im/vector/app/features/reactions/EmojiReactionPickerActivity.kt

@@ -212,10 +212,8 @@ class EmojiReactionPickerActivity : VectorBaseActivity(),
             return intent
         }
 
-        fun getOutput(data: Intent): Pair<String, String>? {
-            val eventId = data.getStringExtra(EXTRA_EVENT_ID) ?: return null
-            val reaction = data.getStringExtra(EXTRA_REACTION_RESULT) ?: return null
-            return eventId to reaction
-        }
+        fun getOutputEventId(data: Intent?): String? = data?.getStringExtra(EXTRA_EVENT_ID)
+
+        fun getOutputReaction(data: Intent?): String? = data?.getStringExtra(EXTRA_REACTION_RESULT)
     }
 }

vector/src/main/java/im/vector/app/features/roommemberprofile/RoomMemberProfileFragment.kt

@@ -284,7 +284,12 @@ class RoomMemberProfileFragment @Inject constructor(
     }
 
     private fun handleShareRoomMemberProfile(permalink: String) {
-        startSharePlainTextIntent(fragment = this, chooserTitle = null, text = permalink)
+        startSharePlainTextIntent(
+                fragment = this,
+                activityResultLauncher = null,
+                chooserTitle = null,
+                text = permalink
+        )
     }
 
     private fun onAvatarClicked(view: View, userMatrixItem: MatrixItem) {

vector/src/main/java/im/vector/app/features/roommemberprofile/devices/DeviceListBottomSheet.kt

@@ -20,6 +20,7 @@ import android.content.DialogInterface
 import android.os.Bundle
 import android.os.Parcelable
 import android.view.KeyEvent
+import android.view.View
 import androidx.fragment.app.Fragment
 import com.airbnb.mvrx.MvRx
 import com.airbnb.mvrx.fragmentViewModel
@@ -46,8 +47,8 @@ class DeviceListBottomSheet : VectorBaseBottomSheetDialogFragment() {
         injector.inject(this)
     }
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         viewModel.observeViewEvents {
             when (it) {
                 is DeviceListBottomSheetViewEvents.Verify -> {

vector/src/main/java/im/vector/app/features/roommemberprofile/devices/DeviceListFragment.kt

@@ -17,6 +17,7 @@
 package im.vector.app.features.roommemberprofile.devices
 
 import android.os.Bundle
+import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import butterknife.BindView
 import com.airbnb.mvrx.parentFragmentViewModel
@@ -41,8 +42,8 @@ class DeviceListFragment @Inject constructor(
     @BindView(R.id.bottomSheetRecyclerView)
     lateinit var recyclerView: RecyclerView
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         recyclerView.setPadding(0, dimensionConverter.dpToPx(16), 0, dimensionConverter.dpToPx(16))
         recyclerView.configureWith(
                 epoxyController,

vector/src/main/java/im/vector/app/features/roommemberprofile/devices/DeviceTrustInfoActionFragment.kt

@@ -17,6 +17,7 @@
 package im.vector.app.features.roommemberprofile.devices
 
 import android.os.Bundle
+import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import butterknife.BindView
 import com.airbnb.mvrx.parentFragmentViewModel
@@ -41,8 +42,8 @@ class DeviceTrustInfoActionFragment @Inject constructor(
     @BindView(R.id.bottomSheetRecyclerView)
     lateinit var recyclerView: RecyclerView
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         recyclerView.setPadding(0, dimensionConverter.dpToPx(16), 0, dimensionConverter.dpToPx(16))
         recyclerView.configureWith(
                 epoxyController,

vector/src/main/java/im/vector/app/features/roomprofile/RoomProfileFragment.kt

@@ -42,14 +42,14 @@ import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.extensions.copyOnLongClick
 import im.vector.app.core.extensions.exhaustive
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.extensions.setTextOrHide
 import im.vector.app.core.intent.getFilenameFromUri
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.core.utils.PERMISSIONS_FOR_TAKING_PHOTO
-import im.vector.app.core.utils.PERMISSION_REQUEST_CODE_LAUNCH_CAMERA
-import im.vector.app.core.utils.allGranted
 import im.vector.app.core.utils.checkPermissions
 import im.vector.app.core.utils.copyToClipboard
+import im.vector.app.core.utils.registerForPermissionsResult
 import im.vector.app.core.utils.startSharePlainTextIntent
 import im.vector.app.features.crypto.util.toImageRes
 import im.vector.app.features.home.AvatarRenderer
@@ -260,14 +260,19 @@ class RoomProfileFragment @Inject constructor(
     }
 
     private fun onShareRoomProfile(permalink: String) {
-        startSharePlainTextIntent(fragment = this, chooserTitle = null, text = permalink)
+        startSharePlainTextIntent(
+                fragment = this,
+                activityResultLauncher = null,
+                chooserTitle = null,
+                text = permalink
+        )
     }
 
     private fun onAvatarClicked(view: View, matrixItem: MatrixItem.RoomItem) = withState(roomProfileViewModel) {
         if (matrixItem.avatarUrl?.isNotEmpty() == true) {
             val intent = BigImageViewerActivity.newIntent(requireContext(), matrixItem.getBestName(), matrixItem.avatarUrl!!, it.canChangeAvatar)
             val options = ActivityOptionsCompat.makeSceneTransitionAnimation(requireActivity(), view, ViewCompat.getTransitionName(view) ?: "")
-            startActivityForResult(intent, BigImageViewerActivity.REQUEST_CODE, options.toBundle())
+            bigImageStartForActivityResult.launch(intent, options)
         } else if (it.canChangeAvatar) {
             showAvatarSelector()
         }
@@ -285,14 +290,20 @@ class RoomProfileFragment @Inject constructor(
                 .show()
     }
 
+    private val takePhotoPermissionActivityResultLauncher = registerForPermissionsResult { allGranted ->
+        if (allGranted) {
+            onAvatarTypeSelected(true)
+        }
+    }
+
     private var avatarCameraUri: Uri? = null
     private fun onAvatarTypeSelected(isCamera: Boolean) {
         if (isCamera) {
-            if (checkPermissions(PERMISSIONS_FOR_TAKING_PHOTO, this, PERMISSION_REQUEST_CODE_LAUNCH_CAMERA)) {
-                avatarCameraUri = MultiPicker.get(MultiPicker.CAMERA).startWithExpectingFile(this)
+            if (checkPermissions(PERMISSIONS_FOR_TAKING_PHOTO, requireActivity(), takePhotoPermissionActivityResultLauncher)) {
+                avatarCameraUri = MultiPicker.get(MultiPicker.CAMERA).startWithExpectingFile(requireActivity(), takePhotoActivityResultLauncher)
             }
         } else {
-            MultiPicker.get(MultiPicker.IMAGE).single().startWith(this)
+            MultiPicker.get(MultiPicker.IMAGE).single().startWith(pickImageActivityResultLauncher)
         }
     }
 
@@ -304,37 +315,43 @@ class RoomProfileFragment @Inject constructor(
                 .start(requireContext(), this)
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (resultCode == Activity.RESULT_OK) {
-            when (requestCode) {
-                MultiPicker.REQUEST_CODE_TAKE_PHOTO -> {
-                    avatarCameraUri?.let { uri ->
-                        MultiPicker.get(MultiPicker.CAMERA)
-                                .getTakenPhoto(requireContext(), requestCode, resultCode, uri)
-                                ?.let {
-                                    onRoomAvatarSelected(it)
-                                }
-                    }
-                }
-                MultiPicker.REQUEST_CODE_PICK_IMAGE -> {
-                    MultiPicker
-                            .get(MultiPicker.IMAGE)
-                            .getSelectedFiles(requireContext(), requestCode, resultCode, data)
-                            .firstOrNull()?.let {
-                                onRoomAvatarSelected(it)
-                            }
-                }
-                UCrop.REQUEST_CROP                  -> data?.let { onAvatarCropped(UCrop.getOutput(it)) }
-                BigImageViewerActivity.REQUEST_CODE -> data?.let { onAvatarCropped(it.data) }
+    private val takePhotoActivityResultLauncher = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            avatarCameraUri?.let { uri ->
+                MultiPicker.get(MultiPicker.CAMERA)
+                        .getTakenPhoto(requireContext(), uri)
+                        ?.let {
+                            onRoomAvatarSelected(it)
+                        }
             }
         }
-        super.onActivityResult(requestCode, resultCode, data)
     }
 
-    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
-        if (allGranted(grantResults)) {
+    private val pickImageActivityResultLauncher = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            MultiPicker
+                    .get(MultiPicker.IMAGE)
+                    .getSelectedFiles(requireContext(), activityResult.data)
+                    .firstOrNull()?.let {
+                        onRoomAvatarSelected(it)
+                    }
+        }
+    }
+
+    private val bigImageStartForActivityResult = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            activityResult.data?.let { onAvatarCropped(it.data) }
+        }
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        // TODO handle this one (Ucrop lib)
+        @Suppress("DEPRECATION")
+        super.onActivityResult(requestCode, resultCode, data)
+
+        if (resultCode == Activity.RESULT_OK) {
             when (requestCode) {
-                PERMISSION_REQUEST_CODE_LAUNCH_CAMERA -> onAvatarTypeSelected(true)
+                UCrop.REQUEST_CROP -> data?.let { onAvatarCropped(UCrop.getOutput(it)) }
             }
         }
     }

vector/src/main/java/im/vector/app/features/settings/VectorSettingsActivity.kt

@@ -107,7 +107,8 @@ class VectorSettingsActivity : VectorBaseActivity(),
         }
 
         if (oFragment != null) {
-            oFragment.setTargetFragment(caller, 0)
+            // Deprecated, I comment it, I think it is useless
+            // oFragment.setTargetFragment(caller, 0)
             // Replace the existing Fragment with the new Fragment
             supportFragmentManager.beginTransaction()
                     .setCustomAnimations(R.anim.right_in, R.anim.fade_out, R.anim.fade_in, R.anim.right_out)

vector/src/main/java/im/vector/app/features/settings/VectorSettingsGeneralFragment.kt

@@ -41,6 +41,7 @@ import com.google.android.material.textfield.TextInputLayout
 import com.yalantis.ucrop.UCrop
 import im.vector.app.R
 import im.vector.app.core.extensions.hideKeyboard
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.extensions.showPassword
 import im.vector.app.core.intent.getFilenameFromUri
 import im.vector.app.core.platform.SimpleTextWatcher
@@ -48,11 +49,10 @@ import im.vector.app.core.preference.UserAvatarPreference
 import im.vector.app.core.preference.VectorPreference
 import im.vector.app.core.preference.VectorSwitchPreference
 import im.vector.app.core.utils.PERMISSIONS_FOR_TAKING_PHOTO
-import im.vector.app.core.utils.PERMISSION_REQUEST_CODE_LAUNCH_CAMERA
 import im.vector.app.core.utils.TextUtils
-import im.vector.app.core.utils.allGranted
 import im.vector.app.core.utils.checkPermissions
 import im.vector.app.core.utils.getSizeOfFiles
+import im.vector.app.core.utils.registerForPermissionsResult
 import im.vector.app.core.utils.toast
 import im.vector.app.features.MainActivity
 import im.vector.app.features.MainActivityArgs
@@ -279,89 +279,38 @@ class VectorSettingsGeneralFragment : VectorSettingsBaseFragment() {
         session.integrationManagerService().removeListener(integrationServiceListener)
     }
 
-    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
-        if (allGranted(grantResults)) {
-            if (requestCode == PERMISSION_REQUEST_CODE_LAUNCH_CAMERA) {
-                onAvatarTypeSelected(true)
+    private val attachmentPhotoActivityResultLauncher = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            avatarCameraUri?.let { uri ->
+                MultiPicker.get(MultiPicker.CAMERA)
+                        .getTakenPhoto(requireContext(), uri)
+                        ?.let {
+                            onAvatarSelected(it)
+                        }
             }
         }
     }
 
+    private val attachmentImageActivityResultLauncher = registerStartForActivityResult { activityResult ->
+        val data = activityResult.data ?: return@registerStartForActivityResult
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            MultiPicker
+                    .get(MultiPicker.IMAGE)
+                    .getSelectedFiles(requireContext(), data)
+                    .firstOrNull()?.let {
+                        onAvatarSelected(it)
+                    }
+        }
+    }
+
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        // TODO handle this one (Ucrop lib)
+        @Suppress("DEPRECATION")
         super.onActivityResult(requestCode, resultCode, data)
 
         if (resultCode == Activity.RESULT_OK) {
             when (requestCode) {
-                REQUEST_NEW_PHONE_NUMBER            -> refreshPhoneNumbersList()
-                REQUEST_PHONEBOOK_COUNTRY           -> onPhonebookCountryUpdate(data)
-                MultiPicker.REQUEST_CODE_TAKE_PHOTO -> {
-                    avatarCameraUri?.let { uri ->
-                        MultiPicker.get(MultiPicker.CAMERA)
-                                .getTakenPhoto(requireContext(), requestCode, resultCode, uri)
-                                ?.let {
-                                    onAvatarSelected(it)
-                                }
-                    }
-                }
-                MultiPicker.REQUEST_CODE_PICK_IMAGE -> {
-                    MultiPicker
-                            .get(MultiPicker.IMAGE)
-                            .getSelectedFiles(requireContext(), requestCode, resultCode, data)
-                            .firstOrNull()?.let {
-                                onAvatarSelected(it)
-                            }
-                }
-                UCrop.REQUEST_CROP                  -> data?.let { onAvatarCropped(UCrop.getOutput(it)) }
-                /* TODO
-                    VectorUtils.TAKE_IMAGE -> {
-                        val thumbnailUri = VectorUtils.getThumbnailUriFromIntent(activity, data, session.mediaCache)
-
-                        if (null != thumbnailUri) {
-                            displayLoadingView()
-
-                            val resource = ResourceUtils.openResource(activity, thumbnailUri, null)
-
-                            if (null != resource) {
-                                session.mediaCache.uploadContent(resource.mContentStream, null, resource.mMimeType, null, object : MXMediaUploadListener() {
-
-                                    override fun onUploadError(uploadId: String?, serverResponseCode: Int, serverErrorMessage: String?) {
-                                        activity?.runOnUiThread { onCommonDone(serverResponseCode.toString() + " : " + serverErrorMessage) }
-                                    }
-
-                                    override fun onUploadComplete(uploadId: String?, contentUri: String?) {
-                                        activity?.runOnUiThread {
-                                            session.myUser.updateAvatarUrl(contentUri, object : MatrixCallback<Unit> {
-                                                override fun onSuccess(info: Void?) {
-                                                    onCommonDone(null)
-                                                    refreshDisplay()
-                                                }
-
-                                                override fun onNetworkError(e: Exception) {
-                                                    onCommonDone(e.localizedMessage)
-                                                }
-
-                                                override fun onMatrixError(e: MatrixError) {
-                                                    if (MatrixError.M_CONSENT_NOT_GIVEN == e.errcode) {
-                                                        activity?.runOnUiThread {
-                                                            hideLoadingView()
-                                                            (activity as VectorAppCompatActivity).consentNotGivenHelper.displayDialog(e)
-                                                        }
-                                                    } else {
-                                                        onCommonDone(e.localizedMessage)
-                                                    }
-                                                }
-
-                                                override fun onUnexpectedError(e: Exception) {
-                                                    onCommonDone(e.localizedMessage)
-                                                }
-                                            })
-                                        }
-                                    }
-                                })
-                            }
-                        }
-                    }
-                    */
+                UCrop.REQUEST_CROP -> data?.let { onAvatarCropped(UCrop.getOutput(it)) }
             }
         }
     }
@@ -400,13 +349,19 @@ class VectorSettingsGeneralFragment : VectorSettingsBaseFragment() {
                 }.show()
     }
 
+    private val takePhotoActivityResultLauncher = registerForPermissionsResult { allGranted ->
+        if (allGranted) {
+            onAvatarTypeSelected(true)
+        }
+    }
+
     private fun onAvatarTypeSelected(isCamera: Boolean) {
         if (isCamera) {
-            if (checkPermissions(PERMISSIONS_FOR_TAKING_PHOTO, this, PERMISSION_REQUEST_CODE_LAUNCH_CAMERA)) {
-                avatarCameraUri = MultiPicker.get(MultiPicker.CAMERA).startWithExpectingFile(this)
+            if (checkPermissions(PERMISSIONS_FOR_TAKING_PHOTO, requireActivity(), takePhotoActivityResultLauncher)) {
+                avatarCameraUri = MultiPicker.get(MultiPicker.CAMERA).startWithExpectingFile(requireActivity(), attachmentPhotoActivityResultLauncher)
             }
         } else {
-            MultiPicker.get(MultiPicker.IMAGE).single().startWith(this)
+            MultiPicker.get(MultiPicker.IMAGE).single().startWith(attachmentImageActivityResultLauncher)
         }
     }
 
@@ -464,29 +419,10 @@ class VectorSettingsGeneralFragment : VectorSettingsBaseFragment() {
         */
     }
 
-    private fun onPhonebookCountryUpdate(data: Intent?) {
-        /* TODO
-        if (data != null && data.hasExtra(CountryPickerActivity.EXTRA_OUT_COUNTRY_NAME)
-                && data.hasExtra(CountryPickerActivity.EXTRA_OUT_COUNTRY_CODE)) {
-            val countryCode = data.getStringExtra(CountryPickerActivity.EXTRA_OUT_COUNTRY_CODE)
-            if (!TextUtils.equals(countryCode, PhoneNumberUtils.getCountryCode(activity))) {
-                PhoneNumberUtils.setCountryCode(activity, countryCode)
-                mContactPhonebookCountryPreference.summary = data.getStringExtra(CountryPickerActivity.EXTRA_OUT_COUNTRY_NAME)
-            }
-        }
-        */
-    }
-
     // ==============================================================================================================
     // Phone number management
     // ==============================================================================================================
 
-    /**
-     * Refresh phone number list
-     */
-    private fun refreshPhoneNumbersList() {
-    }
-
     /**
      * Update the password.
      */
@@ -646,9 +582,4 @@ class VectorSettingsGeneralFragment : VectorSettingsBaseFragment() {
             })
         }
     }
-
-    companion object {
-        private const val REQUEST_NEW_PHONE_NUMBER = 456
-        private const val REQUEST_PHONEBOOK_COUNTRY = 789
-    }
 }

vector/src/main/java/im/vector/app/features/settings/VectorSettingsNotificationPreferenceFragment.kt

@@ -27,6 +27,7 @@ import androidx.preference.Preference
 import androidx.preference.SwitchPreference
 import im.vector.app.R
 import im.vector.app.core.di.ActiveSessionHolder
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.preference.VectorEditTextPreference
 import im.vector.app.core.preference.VectorPreference
 import im.vector.app.core.preference.VectorPreferenceCategory
@@ -114,6 +115,10 @@ class VectorSettingsNotificationPreferenceFragment @Inject constructor(
         handleSystemPreference()
     }
 
+    private val batteryStartForActivityResult = registerStartForActivityResult {
+        // Noop
+    }
+
     // BackgroundSyncModeChooserDialog.InteractionListener
     override fun onOptionSelected(mode: BackgroundSyncMode) {
         // option has change, need to act
@@ -122,9 +127,7 @@ class VectorSettingsNotificationPreferenceFragment @Inject constructor(
             // Even if using foreground service with foreground notif, it stops to work
             // in doze mode for certain devices :/
             if (!isIgnoringBatteryOptimizations(requireContext())) {
-                requestDisablingBatteryOptimization(requireActivity(),
-                        this@VectorSettingsNotificationPreferenceFragment,
-                        REQUEST_BATTERY_OPTIMIZATION)
+                requestDisablingBatteryOptimization(requireActivity(), batteryStartForActivityResult)
             }
         }
         vectorPreferences.setFdroidSyncBackgroundMode(mode)
@@ -210,27 +213,22 @@ class VectorSettingsNotificationPreferenceFragment @Inject constructor(
                     intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, vectorPreferences.getNotificationRingTone())
                 }
 
-                startActivityForResult(intent, REQUEST_NOTIFICATION_RINGTONE)
+                ringtoneStartForActivityResult.launch(intent)
                 false
             }
         }
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
-        if (resultCode == Activity.RESULT_OK) {
-            when (requestCode) {
-                REQUEST_NOTIFICATION_RINGTONE -> {
-                    vectorPreferences.setNotificationRingTone(data?.getParcelableExtra<Parcelable>(RingtoneManager.EXTRA_RINGTONE_PICKED_URI) as Uri?)
+    private val ringtoneStartForActivityResult = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            vectorPreferences.setNotificationRingTone(activityResult.data?.getParcelableExtra<Parcelable>(RingtoneManager.EXTRA_RINGTONE_PICKED_URI) as Uri?)
 
-                    // test if the selected ring tone can be played
-                    val notificationRingToneName = vectorPreferences.getNotificationRingToneName()
-                    if (null != notificationRingToneName) {
-                        vectorPreferences.setNotificationRingTone(vectorPreferences.getNotificationRingTone())
-                        findPreference<VectorPreference>(VectorPreferences.SETTINGS_NOTIFICATION_RINGTONE_SELECTION_PREFERENCE_KEY)!!
-                                .summary = notificationRingToneName
-                    }
-                }
+            // test if the selected ring tone can be played
+            val notificationRingToneName = vectorPreferences.getNotificationRingToneName()
+            if (null != notificationRingToneName) {
+                vectorPreferences.setNotificationRingTone(vectorPreferences.getNotificationRingTone())
+                findPreference<VectorPreference>(VectorPreferences.SETTINGS_NOTIFICATION_RINGTONE_SELECTION_PREFERENCE_KEY)!!
+                        .summary = notificationRingToneName
             }
         }
     }
@@ -340,9 +338,4 @@ class VectorSettingsNotificationPreferenceFragment @Inject constructor(
                             })
                 }
     }
-
-    companion object {
-        private const val REQUEST_NOTIFICATION_RINGTONE = 888
-        private const val REQUEST_BATTERY_OPTIMIZATION = 500
-    }
 }

vector/src/main/java/im/vector/app/features/settings/VectorSettingsNotificationsTroubleshootFragment.kt

@@ -17,7 +17,6 @@ package im.vector.app.features.settings
 
 import android.app.Activity
 import android.content.Context
-import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import android.view.ViewGroup
@@ -30,6 +29,7 @@ import androidx.transition.TransitionManager
 import butterknife.BindView
 import im.vector.app.R
 import im.vector.app.core.extensions.cleanup
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseActivity
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.features.rageshake.BugReporter
@@ -76,7 +76,7 @@ class VectorSettingsNotificationsTroubleshootFragment @Inject constructor(
         }
 
         mRunButton.debouncedClicks {
-            testManager?.retry()
+            testManager?.retry(testStartForActivityResult)
         }
         startUI()
     }
@@ -134,7 +134,7 @@ class VectorSettingsNotificationsTroubleshootFragment @Inject constructor(
             }
         }
         mRecyclerView.adapter = testManager?.adapter
-        testManager?.runDiagnostic()
+        testManager?.runDiagnostic(testStartForActivityResult)
     }
 
     override fun onDestroyView() {
@@ -142,12 +142,14 @@ class VectorSettingsNotificationsTroubleshootFragment @Inject constructor(
         super.onDestroyView()
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (resultCode == Activity.RESULT_OK && requestCode == NotificationTroubleshootTestManager.REQ_CODE_FIX) {
-            testManager?.retry()
-            return
+    private val testStartForActivityResult = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            retry()
         }
-        super.onActivityResult(requestCode, resultCode, data)
+    }
+
+    private fun retry() {
+        testManager?.retry(testStartForActivityResult)
     }
 
     override fun onDetach() {

vector/src/main/java/im/vector/app/features/settings/VectorSettingsPinFragment.kt

@@ -16,14 +16,13 @@
 
 package im.vector.app.features.settings
 
-import android.content.Intent
 import androidx.lifecycle.lifecycleScope
 import androidx.preference.Preference
 import androidx.preference.SwitchPreference
 import im.vector.app.R
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.features.navigation.Navigator
 import im.vector.app.features.notifications.NotificationDrawerManager
-import im.vector.app.features.pin.PinActivity
 import im.vector.app.features.pin.PinCodeStore
 import im.vector.app.features.pin.PinMode
 import kotlinx.coroutines.launch
@@ -67,17 +66,18 @@ class VectorSettingsPinFragment @Inject constructor(
                         refreshPinCodeStatus()
                     }
                 } else {
-                    navigator.openPinCode(this@VectorSettingsPinFragment, PinMode.CREATE)
+                    navigator.openPinCode(
+                            requireContext(),
+                            pinActivityResultLauncher,
+                            PinMode.CREATE
+                    )
                 }
                 true
             }
         }
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
-        if (requestCode == PinActivity.PIN_REQUEST_CODE) {
-            refreshPinCodeStatus()
-        }
+    private val pinActivityResultLauncher = registerStartForActivityResult {
+        refreshPinCodeStatus()
     }
 }

vector/src/main/java/im/vector/app/features/settings/VectorSettingsSecurityPrivacyFragment.kt

@@ -39,6 +39,7 @@ import im.vector.app.R
 import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.dialogs.ExportKeysDialog
 import im.vector.app.core.extensions.queryExportKeys
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.extensions.showPassword
 import im.vector.app.core.intent.ExternalIntentData
 import im.vector.app.core.intent.analyseIntent
@@ -55,7 +56,6 @@ import im.vector.app.features.crypto.keysbackup.settings.KeysBackupManageActivit
 import im.vector.app.features.crypto.recover.BootstrapBottomSheet
 import im.vector.app.features.crypto.recover.SetupMode
 import im.vector.app.features.navigation.Navigator
-import im.vector.app.features.pin.PinActivity
 import im.vector.app.features.pin.PinCodeStore
 import im.vector.app.features.pin.PinMode
 import im.vector.app.features.raw.wellknown.getElementWellknown
@@ -320,48 +320,46 @@ class VectorSettingsSecurityPrivacyFragment @Inject constructor(
         }
     }
 
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
-        if (resultCode == Activity.RESULT_OK) {
-            when (requestCode) {
-                REQUEST_CODE_SAVE_MEGOLM_EXPORT -> {
-                    val uri = data?.data
-                    if (uri != null) {
-                        activity?.let { activity ->
-                            ExportKeysDialog().show(activity, object : ExportKeysDialog.ExportKeyDialogListener {
-                                override fun onPassphrase(passphrase: String) {
-                                    displayLoadingView()
+    private val saveMegolmStartForActivityResult = registerStartForActivityResult {
+        val uri = it.data?.data ?: return@registerStartForActivityResult
+        if (it.resultCode == Activity.RESULT_OK) {
+            ExportKeysDialog().show(requireActivity(), object : ExportKeysDialog.ExportKeyDialogListener {
+                override fun onPassphrase(passphrase: String) {
+                    displayLoadingView()
 
-                                    KeysExporter(session)
-                                            .export(requireContext(),
-                                                    passphrase,
-                                                    uri,
-                                                    object : MatrixCallback<Boolean> {
-                                                        override fun onSuccess(data: Boolean) {
-                                                            if (data) {
-                                                                requireActivity().toast(getString(R.string.encryption_exported_successfully))
-                                                            } else {
-                                                                requireActivity().toast(getString(R.string.unexpected_error))
-                                                            }
-                                                            hideLoadingView()
-                                                        }
+                    KeysExporter(session)
+                            .export(requireContext(),
+                                    passphrase,
+                                    uri,
+                                    object : MatrixCallback<Boolean> {
+                                        override fun onSuccess(data: Boolean) {
+                                            if (data) {
+                                                requireActivity().toast(getString(R.string.encryption_exported_successfully))
+                                            } else {
+                                                requireActivity().toast(getString(R.string.unexpected_error))
+                                            }
+                                            hideLoadingView()
+                                        }
 
-                                                        override fun onFailure(failure: Throwable) {
-                                                            onCommonDone(failure.localizedMessage)
-                                                        }
-                                                    })
-                                }
-                            })
-                        }
-                    }
+                                        override fun onFailure(failure: Throwable) {
+                                            onCommonDone(failure.localizedMessage)
+                                        }
+                                    })
                 }
-                PinActivity.PIN_REQUEST_CODE    -> {
-                    doOpenPinCodePreferenceScreen()
-                }
-                REQUEST_E2E_FILE_REQUEST_CODE   -> {
-                    importKeys(data)
-                }
-            }
+            })
+        }
+    }
+
+    private val pinActivityResultLauncher = registerStartForActivityResult {
+        if (it.resultCode == Activity.RESULT_OK) {
+            doOpenPinCodePreferenceScreen()
+        }
+    }
+
+    private val importKeysActivityResultLauncher = registerStartForActivityResult {
+        val data = it.data ?: return@registerStartForActivityResult
+        if (it.resultCode == Activity.RESULT_OK) {
+            importKeys(data)
         }
     }
 
@@ -369,7 +367,10 @@ class VectorSettingsSecurityPrivacyFragment @Inject constructor(
         lifecycleScope.launchWhenResumed {
             val hasPinCode = pinCodeStore.hasEncodedPin()
             if (hasPinCode) {
-                navigator.openPinCode(this@VectorSettingsSecurityPrivacyFragment, PinMode.AUTH)
+                navigator.openPinCode(
+                        requireContext(),
+                        pinActivityResultLauncher,
+                        PinMode.AUTH)
             } else {
                 doOpenPinCodePreferenceScreen()
             }
@@ -391,7 +392,7 @@ class VectorSettingsSecurityPrivacyFragment @Inject constructor(
         }
 
         exportPref.onPreferenceClickListener = Preference.OnPreferenceClickListener {
-            queryExportKeys(activeSessionHolder.getSafeActiveSession()?.myUserId ?: "", REQUEST_CODE_SAVE_MEGOLM_EXPORT)
+            queryExportKeys(activeSessionHolder.getSafeActiveSession()?.myUserId ?: "", saveMegolmStartForActivityResult)
             true
         }
 
@@ -406,7 +407,12 @@ class VectorSettingsSecurityPrivacyFragment @Inject constructor(
      */
     @SuppressLint("NewApi")
     private fun importKeys() {
-        activity?.let { openFileSelection(it, this, false, REQUEST_E2E_FILE_REQUEST_CODE) }
+        openFileSelection(
+                requireActivity(),
+                importKeysActivityResultLauncher,
+                false,
+                0
+        )
     }
 
     /**
@@ -414,12 +420,7 @@ class VectorSettingsSecurityPrivacyFragment @Inject constructor(
      *
      * @param intent the intent result
      */
-    private fun importKeys(intent: Intent?) {
-        // sanity check
-        if (null == intent) {
-            return
-        }
-
+    private fun importKeys(intent: Intent) {
         val sharedDataItems = analyseIntent(intent)
         val thisActivity = activity
 
@@ -605,9 +606,4 @@ class VectorSettingsSecurityPrivacyFragment @Inject constructor(
             }
         })
     }
-
-    companion object {
-        private const val REQUEST_E2E_FILE_REQUEST_CODE = 123
-        private const val REQUEST_CODE_SAVE_MEGOLM_EXPORT = 124
-    }
 }