Merge branch 'notifications' into 'main'

Ask for notification permission when starting up

See merge request !160

mailbox-android/src/main/AndroidManifest.xml

@@ -11,6 +11,7 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
     <application
         android:name=".android.MailboxApplication"

mailbox-android/src/main/java/org/briarproject/mailbox/android/ui/MainActivity.kt

@@ -19,11 +19,16 @@
 
 package org.briarproject.mailbox.android.ui
 
+import android.Manifest.permission.POST_NOTIFICATIONS
 import android.content.Intent
+import android.os.Build.VERSION.SDK_INT
 import android.os.Bundle
+import androidx.activity.result.contract.ActivityResultContracts.RequestPermission
 import androidx.activity.viewModels
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.PermissionChecker.PERMISSION_GRANTED
+import androidx.core.content.PermissionChecker.checkSelfPermission
 import androidx.navigation.NavController
 import androidx.navigation.fragment.NavHostFragment
 import dagger.hilt.android.AndroidEntryPoint
@@ -71,6 +76,9 @@ class MainActivity : AppCompatActivity() {
             supportFragmentManager.findFragmentById(R.id.fragmentContainer) as NavHostFragment
         navHostFragment.navController
     }
+    private val permissionLauncher = registerForActivityResult(RequestPermission()) {
+        // if the user doesn't want to allow permissions, so be it
+    }
 
     private var hadBeenStartedOnSave = false
 
@@ -127,6 +135,7 @@ class MainActivity : AppCompatActivity() {
                     nav.navigate(actionGlobalDoNotKillMeFragment())
             }
             NotStarted -> {
+                askForNotificationPermission()
                 supportActionBar?.hide()
                 nav.navigate(actionGlobalStartupFragment())
             }
@@ -196,6 +205,12 @@ class MainActivity : AppCompatActivity() {
         }
     }
 
+    private fun askForNotificationPermission() {
+        if (SDK_INT >= 33 && !isDestroyed && !isFinishing &&
+            checkSelfPermission(this, POST_NOTIFICATIONS) != PERMISSION_GRANTED
+        ) permissionLauncher.launch(POST_NOTIFICATIONS)
+    }
+
     private fun showDozeDialog() = AlertDialog.Builder(this)
         .setMessage(R.string.warning_dozed)
         .setPositiveButton(R.string.fix) { dialog, _ ->

mailbox-android/src/main/java/org/briarproject/mailbox/android/ui/StartupFragment.kt

@@ -56,7 +56,7 @@ class StartupFragment : Fragment() {
         launchAndRepeatWhileStarted {
             viewModel.appState.collect { onAppStateChanged(it) }
         }
-
+        // FIXME Should this be the job of the fragment? What if I rotate the screen? Start twice?
         viewModel.startLifecycle()
     }