init method

Future<void> init(BuildContext context)

Implementation

Future<void> init(BuildContext context) async {
  // Requesting permission for notifications
  await _fcm.setForegroundNotificationPresentationOptions(
    alert: true,
    badge: true,
    sound: true,
  );
  await _fcm.requestPermission(
    alert: true,
    announcement: false,
    badge: true,
    carPlay: false,
    criticalAlert: false,
    provisional: false,
    sound: true,
  );
  fcmToken = await _fcm.getToken();
  try{
    saveFcm({
      "name": username,
      "registration_id": fcmToken,
      "active": true,
      "cloud_message_type": "FCM",
      "application_id": applicationId
    });
  }
  catch(_){}


  // Handling background messages using the specified handler
  FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
  // Listening for incoming messages while the app is in the foreground
  listen = FirebaseMessaging.onMessage.listen((RemoteMessage message) {
    // debugPrint('Got a message whilst in the foreground!');
    // debugPrint('Message data: ${message.notification!.title.toString()}');
    if (message.notification != null) {
      if (message.notification!.title != null &&
          message.notification!.body != null) {
        // message.notification.
        //final notificationData = message.data;
        // print("notification ${notificationData}");
        // var image = '';
        // if(Platform.isAndroid){
        //   image = message.notification?.android?.imageUrl ?? "";
        // }
        // else{
        //   image = message.notification?.apple?.imageUrl ?? "";
        // }
        // if(onDataRecieved!=null){
        //   onDataRecieved(message.notification!.title, message.notification!.body, message.data);
        // }

        // firbaseNotification(message.notification!.title, message.notification!.body, image);
        // final screen = notificationData['screen'];

        // Showing an alert dialog when a notification is received (Foreground state)
        // TODO: add function argument for dialogue
      }
    }
  });

  // Handling the initial message received when the app is launched from dead (killed state)
  // When the app is killed and a new notification arrives when user clicks on it
  // It gets the data to which screen to open
  FirebaseMessaging.instance.getInitialMessage().then((message) async {
    if (message != null) {
      await _handleNotificationClick(message, context);
      // provider.activeTab(Tabs.notifications);
    }
  });
  // Handling a notification click event when the app is in the background
  listen2 = FirebaseMessaging.onMessageOpenedApp
      .listen((RemoteMessage message) async {
    // debugPrint(
    //     'onMessageOpenedApp: ${message.notification!.title.toString()}');
    await _handleNotificationClick(message, context);
    // provider.activeTab(Tabs.notifications);
  });
}