Request notification permission in Mirroring app

screen_mirror/src/main/java/io/bimmergestalt/idriveconnectaddons/screenmirror/MainActivity.kt

@@ -22,4 +22,8 @@ class MainActivity : AppCompatActivity() {
         setContentView(binding.root)
     }
 
+    override fun onResume() {
+        super.onResume()
+        viewModel.updatePermissions(this)
+    }
 }

screen_mirror/src/main/java/io/bimmergestalt/idriveconnectaddons/screenmirror/MainController.kt

@@ -1,11 +1,72 @@
 package io.bimmergestalt.idriveconnectaddons.screenmirror
 
-import android.content.Context
+import android.Manifest
+import android.app.Activity
+import android.content.ActivityNotFoundException
 import android.content.Intent
+import android.net.Uri
+import android.provider.Settings
+import androidx.core.app.ActivityCompat
+
+class MainController(val activity: Activity) {
+
+    companion object {
+        const val REQUEST_POST_NOTIFICATIONS = 60
+    }
+
+    private fun tryOpenActivity(intent: Intent): Boolean {
+        if (activity.packageManager.resolveActivity(intent, 0) != null) {
+            try {
+                activity.startActivity(intent)
+                return true
+            } catch (e: ActivityNotFoundException) {
+            } catch (e: IllegalArgumentException) {}
+        }
+        return false
+    }
+
+    fun openApplicationPermissions(packageName: String) {
+        run {
+            val intent = Intent("miui.intent.action.APP_PERM_EDITOR")
+            intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
+            intent.setClassName("com.miui.securitycenter",
+                "com.miui.permcenter.permissions.PermissionsEditorActivity")
+            intent.putExtra("extra_pkgname", packageName)
+            if (tryOpenActivity(intent)) return
+        }
+        run {
+            val intent = Intent("miui.intent.action.APP_PERM_EDITOR")
+            intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
+            // try an implicit intent without a classname
+            intent.putExtra("extra_pkgname", packageName)
+            if (tryOpenActivity(intent)) return
+        }
+        run {
+            val intent = Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
+            intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
+            intent.data = Uri.fromParts("package", packageName, null)
+            if (tryOpenActivity(intent)) return
+        }
+        run {
+            val intent = Intent(Settings.ACTION_SETTINGS)
+            intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
+            if (tryOpenActivity(intent)) return
+        }
+    }
 
-class MainController(val context: Context) {
     fun promptPermission() {
-        val intent = Intent(context, RequestActivity::class.java)
-        context.startActivity(intent)
+        val intent = Intent(activity, RequestActivity::class.java)
+        activity.startActivity(intent)
     }
+
+    fun promptPostNotificationsPermission() {
+        if (android.os.Build.VERSION.SDK_INT >= 33 && activity.applicationInfo.targetSdkVersion >= 33) {       // Android 13+
+            ActivityCompat.requestPermissions(activity,
+                arrayOf(Manifest.permission.POST_NOTIFICATIONS),
+                REQUEST_POST_NOTIFICATIONS)
+        } else {
+            openApplicationPermissions(activity.packageName)
+        }
+    }
+
 }

screen_mirror/src/main/java/io/bimmergestalt/idriveconnectaddons/screenmirror/MainModel.kt

@@ -1,11 +1,16 @@
 package io.bimmergestalt.idriveconnectaddons.screenmirror
 
+import android.Manifest
 import android.content.Context
+import android.content.pm.PackageManager
+import android.os.Build
 import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import io.bimmergestalt.idriveconnectaddons.lib.LiveDataHelpers.map
 
 class MainModel: ViewModel() {
+    val notificationPermission = MutableLiveData(false)
     val mirroringState = ScreenMirrorProvider.state
     val mirroringStateText: LiveData<Context.() -> String> = ScreenMirrorProvider.state.map({getString(R.string.lbl_status_not_ready)}) {
         when (it) {
@@ -23,4 +28,9 @@ class MainModel: ViewModel() {
             }
         }
     }
+
+    fun updatePermissions(context: Context) {
+        notificationPermission.value = Build.VERSION.SDK_INT < 33
+                || context.checkSelfPermission(Manifest.permission.POST_NOTIFICATIONS) == PackageManager.PERMISSION_GRANTED
+    }
 }

screen_mirror/src/main/java/io/bimmergestalt/idriveconnectaddons/screenmirror/NotificationService.kt

@@ -131,7 +131,7 @@ class NotificationService: Service() {
         // or an in-app request to tap to open the prompt for recording permission
         if (ScreenMirrorProvider.state.value == MirroringState.NOT_ALLOWED) {
             notificationBuilder
-                .setContentText(getText(R.string.btn_grant_auth))
+                .setContentText(getText(R.string.btn_grant_mirror_auth))
                 .setContentIntent(PendingIntent.getActivity(applicationContext, 0, requestActivityIntent, PendingIntent.FLAG_UPDATE_CURRENT))
             if (!foreground) {
                 // a background request to tap and start the grant flow