Start SDK before handling permalink or sharing to the app.

It also fixes a crash when trying to share to the app if there is no active session: `IncomingShareViewModel` injects the `session` in the constructor.

vector/src/main/java/im/vector/app/core/di/ActiveSessionSetter.kt

@@ -26,12 +26,15 @@ class ActiveSessionSetter @Inject constructor(
         private val authenticationService: AuthenticationService,
         private val applicationContext: Context,
 ) {
+    fun shouldSetActionSession(): Boolean {
+        return authenticationService.hasAuthenticatedSessions() && !activeSessionHolder.hasActiveSession()
+    }
+
     fun tryToSetActiveSession(startSync: Boolean) {
-        if (authenticationService.hasAuthenticatedSessions() && !activeSessionHolder.hasActiveSession()) {
+        if (shouldSetActionSession()) {
             val lastAuthenticatedSession = authenticationService.getLastAuthenticatedSession()!!
             activeSessionHolder.setActiveSession(lastAuthenticatedSession)
             lastAuthenticatedSession.configureAndStart(applicationContext, startSyncing = startSync)
-            activeSessionHolder.setActiveSession(lastAuthenticatedSession)
         }
     }
 }

vector/src/main/java/im/vector/app/core/di/MavericksViewModelModule.kt

@@ -20,7 +20,6 @@ import dagger.Binds
 import dagger.Module
 import dagger.hilt.InstallIn
 import dagger.multibindings.IntoMap
-import im.vector.app.features.MainViewModel
 import im.vector.app.features.analytics.accountdata.AnalyticsAccountDataViewModel
 import im.vector.app.features.analytics.ui.consent.AnalyticsConsentViewModel
 import im.vector.app.features.auth.ReAuthViewModel
@@ -112,6 +111,7 @@ import im.vector.app.features.spaces.manage.SpaceManageSharedViewModel
 import im.vector.app.features.spaces.people.SpacePeopleViewModel
 import im.vector.app.features.spaces.preview.SpacePreviewViewModel
 import im.vector.app.features.spaces.share.ShareSpaceViewModel
+import im.vector.app.features.start.StartAppViewModel
 import im.vector.app.features.terms.ReviewTermsViewModel
 import im.vector.app.features.usercode.UserCodeSharedViewModel
 import im.vector.app.features.userdirectory.UserListViewModel
@@ -486,8 +486,8 @@ interface MavericksViewModelModule {
 
     @Binds
     @IntoMap
-    @MavericksViewModelKey(MainViewModel::class)
-    fun mainViewModelFactory(factory: MainViewModel.Factory): MavericksAssistedViewModelFactory<*, *>
+    @MavericksViewModelKey(StartAppViewModel::class)
+    fun startAppViewModelFactory(factory: StartAppViewModel.Factory): MavericksAssistedViewModelFactory<*, *>
 
     @Binds
     @IntoMap

vector/src/main/java/im/vector/app/features/MainActivity.kt

@@ -46,6 +46,9 @@ import im.vector.app.features.popup.PopupAlertManager
 import im.vector.app.features.session.VectorSessionStore
 import im.vector.app.features.settings.VectorPreferences
 import im.vector.app.features.signout.hard.SignedOutActivity
+import im.vector.app.features.start.StartAppAction
+import im.vector.app.features.start.StartAppViewEvent
+import im.vector.app.features.start.StartAppViewModel
 import im.vector.app.features.themes.ActivityOtherThemes
 import im.vector.app.features.ui.UiStateRepository
 import kotlinx.coroutines.Dispatchers
@@ -78,6 +81,7 @@ class MainActivity : VectorBaseActivity<ActivityMainBinding>(), UnlockedActivity
     companion object {
         private const val EXTRA_ARGS = "EXTRA_ARGS"
         private const val EXTRA_NEXT_INTENT = "EXTRA_NEXT_INTENT"
+        private const val EXTRA_INIT_SESSION = "EXTRA_INIT_SESSION"
 
         // Special action to clear cache and/or clear credentials
         fun restartApp(activity: Activity, args: MainActivityArgs) {
@@ -88,6 +92,12 @@ class MainActivity : VectorBaseActivity<ActivityMainBinding>(), UnlockedActivity
             activity.startActivity(intent)
         }
 
+        fun getIntentToInitSession(activity: Activity): Intent {
+            val intent = Intent(activity, MainActivity::class.java)
+            intent.putExtra(EXTRA_INIT_SESSION, true)
+            return intent
+        }
+
         fun getIntentWithNextIntent(context: Context, nextIntent: Intent): Intent {
             val intent = Intent(context, MainActivity::class.java)
             intent.putExtra(EXTRA_NEXT_INTENT, nextIntent)
@@ -95,7 +105,7 @@ class MainActivity : VectorBaseActivity<ActivityMainBinding>(), UnlockedActivity
         }
     }
 
-    private val mainViewModel: MainViewModel by viewModel()
+    private val startAppViewModel: StartAppViewModel by viewModel()
 
     override fun getBinding() = ActivityMainBinding.inflate(layoutInflater)
 
@@ -117,16 +127,16 @@ class MainActivity : VectorBaseActivity<ActivityMainBinding>(), UnlockedActivity
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        mainViewModel.viewEvents.stream()
+        startAppViewModel.viewEvents.stream()
                 .onEach(::handleViewEvents)
                 .launchIn(lifecycleScope)
 
-        mainViewModel.handle(MainViewAction.StartApp)
+        startAppViewModel.handle(StartAppAction.StartApp)
     }
 
-    private fun handleViewEvents(event: MainViewEvent) {
+    private fun handleViewEvents(event: StartAppViewEvent) {
         when (event) {
-            MainViewEvent.AppStarted -> handleAppStarted()
+            StartAppViewEvent.AppStarted -> handleAppStarted()
         }
     }
 
@@ -135,6 +145,9 @@ class MainActivity : VectorBaseActivity<ActivityMainBinding>(), UnlockedActivity
             // Start the next Activity
             val nextIntent = intent.getParcelableExtra<Intent>(EXTRA_NEXT_INTENT)
             startIntentAndFinish(nextIntent)
+        } else if (intent.hasExtra(EXTRA_INIT_SESSION)) {
+            setResult(RESULT_OK)
+            finish()
         } else {
             args = parseArgs()
             if (args.clearCredentials || args.isUserLoggedOut || args.clearCache) {

vector/src/main/java/im/vector/app/features/link/LinkHandlerActivity.kt

@@ -18,18 +18,23 @@ package im.vector.app.features.link
 
 import android.content.Intent
 import android.net.Uri
+import android.os.Bundle
 import androidx.lifecycle.lifecycleScope
+import com.airbnb.mvrx.viewModel
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import dagger.hilt.android.AndroidEntryPoint
 import im.vector.app.R
 import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.error.ErrorFormatter
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseActivity
 import im.vector.app.core.utils.toast
 import im.vector.app.databinding.ActivityProgressBinding
+import im.vector.app.features.MainActivity
 import im.vector.app.features.home.HomeActivity
 import im.vector.app.features.login.LoginConfig
 import im.vector.app.features.permalink.PermalinkHandler
+import im.vector.app.features.start.StartAppViewModel
 import kotlinx.coroutines.launch
 import org.matrix.android.sdk.api.session.permalinks.PermalinkService
 import timber.log.Timber
@@ -45,12 +50,33 @@ class LinkHandlerActivity : VectorBaseActivity<ActivityProgressBinding>() {
     @Inject lateinit var errorFormatter: ErrorFormatter
     @Inject lateinit var permalinkHandler: PermalinkHandler
 
+    private val startAppViewModel: StartAppViewModel by viewModel()
+
     override fun getBinding() = ActivityProgressBinding.inflate(layoutInflater)
 
     override fun initUiAndData() {
         handleIntent()
     }
 
+    private val launcher = registerStartForActivityResult {
+        if (it.resultCode == RESULT_OK) {
+            handleIntent()
+        } else {
+            // User has pressed back on the MainActivity, so finish also this one.
+            finish()
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        if (startAppViewModel.shouldStartApp()) {
+            launcher.launch(MainActivity.getIntentToInitSession(this))
+        } else {
+            handleIntent()
+        }
+    }
+
     override fun onNewIntent(intent: Intent?) {
         super.onNewIntent(intent)
         handleIntent()

vector/src/main/java/im/vector/app/features/share/IncomingShareAction.kt

@@ -22,7 +22,7 @@ import org.matrix.android.sdk.api.session.room.model.RoomSummary
 sealed class IncomingShareAction : VectorViewModelAction {
     data class SelectRoom(val roomSummary: RoomSummary, val enableMultiSelect: Boolean) : IncomingShareAction()
     object ShareToSelectedRooms : IncomingShareAction()
-    data class ShareToRoom(val roomSummary: RoomSummary) : IncomingShareAction()
+    data class ShareToRoom(val roomId: String) : IncomingShareAction()
     data class ShareMedia(val keepOriginalSize: Boolean) : IncomingShareAction()
     data class FilterWith(val filter: String) : IncomingShareAction()
     data class UpdateSharedData(val sharedData: SharedData) : IncomingShareAction()

vector/src/main/java/im/vector/app/features/share/IncomingShareActivity.kt

@@ -16,21 +16,66 @@
 
 package im.vector.app.features.share
 
+import android.content.Intent
+import android.os.Bundle
+import com.airbnb.mvrx.viewModel
 import dagger.hilt.android.AndroidEntryPoint
+import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.extensions.addFragment
+import im.vector.app.core.extensions.registerStartForActivityResult
 import im.vector.app.core.platform.VectorBaseActivity
 import im.vector.app.databinding.ActivitySimpleBinding
+import im.vector.app.features.MainActivity
+import im.vector.app.features.start.StartAppViewModel
+import javax.inject.Inject
 
 @AndroidEntryPoint
 class IncomingShareActivity : VectorBaseActivity<ActivitySimpleBinding>() {
 
+    private val startAppViewModel: StartAppViewModel by viewModel()
+
+    @Inject lateinit var activeSessionHolder: ActiveSessionHolder
+
+    private val launcher = registerStartForActivityResult {
+        if (it.resultCode == RESULT_OK) {
+            handleAppStarted()
+        } else {
+            // User has pressed back on the MainActivity, so finish also this one.
+            finish()
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        if (startAppViewModel.shouldStartApp()) {
+            launcher.launch(MainActivity.getIntentToInitSession(this))
+        } else {
+            handleAppStarted()
+        }
+    }
+
     override fun getBinding() = ActivitySimpleBinding.inflate(layoutInflater)
 
     override fun getCoordinatorLayout() = views.coordinatorLayout
 
-    override fun initUiAndData() {
-        if (isFirstCreation()) {
-            addFragment(views.simpleFragmentContainer, IncomingShareFragment::class.java)
+    private fun handleAppStarted() {
+        // If we are not logged in, stop the sharing process and open login screen.
+        // In the future, we might want to relaunch the sharing process after login.
+        if (!activeSessionHolder.hasActiveSession()) {
+            startLoginActivity()
+        } else {
+            if (isFirstCreation()) {
+                addFragment(views.simpleFragmentContainer, IncomingShareFragment::class.java)
+            }
         }
     }
+
+    private fun startLoginActivity() {
+        navigator.openLogin(
+                context = this,
+                flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK
+        )
+        finish()
+    }
 }

vector/src/main/java/im/vector/app/features/share/IncomingShareFragment.kt

@@ -30,7 +30,6 @@ import com.airbnb.mvrx.fragmentViewModel
 import com.airbnb.mvrx.withState
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import im.vector.app.R
-import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.extensions.registerStartForActivityResult
@@ -40,7 +39,6 @@ import im.vector.app.features.analytics.plan.ViewRoom
 import im.vector.app.features.attachments.ShareIntentHandler
 import im.vector.app.features.attachments.preview.AttachmentsPreviewActivity
 import im.vector.app.features.attachments.preview.AttachmentsPreviewArgs
-import org.matrix.android.sdk.api.session.getRoomSummary
 import org.matrix.android.sdk.api.session.room.model.RoomSummary
 import javax.inject.Inject
 
@@ -50,7 +48,6 @@ import javax.inject.Inject
  */
 class IncomingShareFragment @Inject constructor(
         private val incomingShareController: IncomingShareController,
-        private val sessionHolder: ActiveSessionHolder,
         private val shareIntentHandler: ShareIntentHandler,
 ) :
         VectorBaseFragment<FragmentIncomingShareBinding>(),
@@ -63,12 +60,6 @@ class IncomingShareFragment @Inject constructor(
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        // If we are not logged in, stop the sharing process and open login screen.
-        // In the future, we might want to relaunch the sharing process after login.
-        if (!sessionHolder.hasActiveSession()) {
-            startLoginActivity()
-            return
-        }
         super.onViewCreated(view, savedInstanceState)
         setupRecyclerView()
         setupToolbar(views.incomingShareToolbar)
@@ -88,7 +79,7 @@ class IncomingShareFragment @Inject constructor(
                 // Direct share
                 if (intent.hasExtra(Intent.EXTRA_SHORTCUT_ID)) {
                     val roomId = intent.getStringExtra(Intent.EXTRA_SHORTCUT_ID)!!
-                    sessionHolder.getSafeActiveSession()?.getRoomSummary(roomId)?.let { viewModel.handle(IncomingShareAction.ShareToRoom(it)) }
+                    viewModel.handle(IncomingShareAction.ShareToRoom(roomId))
                 }
                 isShareManaged
             }
@@ -192,14 +183,6 @@ class IncomingShareFragment @Inject constructor(
                 .show()
     }
 
-    private fun startLoginActivity() {
-        navigator.openLogin(
-                context = requireActivity(),
-                flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK
-        )
-        requireActivity().finish()
-    }
-
     override fun invalidate() = withState(viewModel) {
         views.sendShareButton.isVisible = it.isInMultiSelectionMode
         incomingShareController.setData(it)

vector/src/main/java/im/vector/app/features/share/IncomingShareViewModel.kt

@@ -35,6 +35,7 @@ import org.matrix.android.sdk.api.query.QueryStringValue
 import org.matrix.android.sdk.api.session.Session
 import org.matrix.android.sdk.api.session.content.ContentAttachmentData
 import org.matrix.android.sdk.api.session.getRoom
+import org.matrix.android.sdk.api.session.getRoomSummary
 import org.matrix.android.sdk.api.session.room.model.Membership
 import org.matrix.android.sdk.api.session.room.roomSummaryQueryParams
 import org.matrix.android.sdk.flow.flow
@@ -134,7 +135,8 @@ class IncomingShareViewModel @AssistedInject constructor(
 
     private fun handleShareToRoom(action: IncomingShareAction.ShareToRoom) = withState { state ->
         val sharedData = state.sharedData ?: return@withState
-        _viewEvents.post(IncomingShareViewEvents.ShareToRoom(action.roomSummary, sharedData, showAlert = false))
+        val roomSummary = session.getRoomSummary(action.roomId) ?: return@withState
+        _viewEvents.post(IncomingShareViewEvents.ShareToRoom(roomSummary, sharedData, showAlert = false))
     }
 
     private fun handleShareMediaToSelectedRooms(action: IncomingShareAction.ShareMedia) = withState { state ->

vector/src/main/java/im/vector/app/features/start/StartAppAction.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2022 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.start
+
+import im.vector.app.core.platform.VectorViewModelAction
+
+sealed interface StartAppAction : VectorViewModelAction {
+    object StartApp : StartAppAction
+}

vector/src/main/java/im/vector/app/features/start/StartAppViewEvent.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2022 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.start
+
+import im.vector.app.core.platform.VectorViewEvents
+
+sealed interface StartAppViewEvent : VectorViewEvents {
+    object AppStarted : StartAppViewEvent
+}

vector/src/main/java/im/vector/app/features/start/StartAppViewModel.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package im.vector.app.features
+package im.vector.app.features.start
 
 import com.airbnb.mvrx.MavericksViewModelFactory
 import dagger.assisted.Assisted
@@ -23,36 +23,29 @@ import dagger.assisted.AssistedInject
 import im.vector.app.core.di.ActiveSessionSetter
 import im.vector.app.core.di.MavericksAssistedViewModelFactory
 import im.vector.app.core.di.hiltMavericksViewModelFactory
-import im.vector.app.core.platform.VectorDummyViewState
-import im.vector.app.core.platform.VectorViewEvents
 import im.vector.app.core.platform.VectorViewModel
-import im.vector.app.core.platform.VectorViewModelAction
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
-sealed interface MainViewAction : VectorViewModelAction {
-    object StartApp : MainViewAction
-}
-
-sealed interface MainViewEvent : VectorViewEvents {
-    object AppStarted : MainViewEvent
-}
-
-class MainViewModel @AssistedInject constructor(
-        @Assisted val initialState: VectorDummyViewState,
+class StartAppViewModel @AssistedInject constructor(
+        @Assisted val initialState: StartAppViewState,
         private val activeSessionSetter: ActiveSessionSetter,
-) : VectorViewModel<VectorDummyViewState, MainViewAction, MainViewEvent>(initialState) {
+) : VectorViewModel<StartAppViewState, StartAppAction, StartAppViewEvent>(initialState) {
 
     @AssistedFactory
-    interface Factory : MavericksAssistedViewModelFactory<MainViewModel, VectorDummyViewState> {
-        override fun create(initialState: VectorDummyViewState): MainViewModel
+    interface Factory : MavericksAssistedViewModelFactory<StartAppViewModel, StartAppViewState> {
+        override fun create(initialState: StartAppViewState): StartAppViewModel
     }
 
-    companion object : MavericksViewModelFactory<MainViewModel, VectorDummyViewState> by hiltMavericksViewModelFactory()
+    companion object : MavericksViewModelFactory<StartAppViewModel, StartAppViewState> by hiltMavericksViewModelFactory()
 
-    override fun handle(action: MainViewAction) {
+    fun shouldStartApp(): Boolean {
+        return activeSessionSetter.shouldSetActionSession()
+    }
+
+    override fun handle(action: StartAppAction) {
         when (action) {
-            MainViewAction.StartApp -> handleStartApp()
+            StartAppAction.StartApp -> handleStartApp()
         }
     }
 
@@ -60,7 +53,7 @@ class MainViewModel @AssistedInject constructor(
         viewModelScope.launch(Dispatchers.IO) {
             // This can take time because of DB migration(s), so do it in a background task.
             activeSessionSetter.tryToSetActiveSession(startSync = true)
-            _viewEvents.post(MainViewEvent.AppStarted)
+            _viewEvents.post(StartAppViewEvent.AppStarted)
         }
     }
 }

vector/src/main/java/im/vector/app/features/start/StartAppViewState.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2022 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.start
+
+import com.airbnb.mvrx.MavericksState
+
+data class StartAppViewState(
+        val duration: Long = 0
+) : MavericksState