'Flutter onSelectNotification method doesn't show payload when app closed
I'm using flutterlocalnotifications package and FCM to send notifications to my users. Everything working perfectly. I can show notifications to my users when my app is in the background, foreground, or closed. I can reach payload value in foreground and background, but when the app is killed I can't reach payload anymore. I test in catlog but there isn't any print in the onSelectNotification.
How can reach this payload?
This is my notification handler class
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
AndroidNotificationChannel channel = AndroidNotificationChannel(
'high_importance_channel', // id
'High Importance Notifications', // title
'This channel is used for important notifications.', // description
importance: Importance.high,
);
final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
// await Firebase.initializeApp();
//Bildirim geldiği anda datayı elde ettiğimiz alan
final dynamic data = message.data;
print('Data in background : ${data.toString()}');
NotificationHandler.showNotification(data);
}
class NotificationHandler {
final FirebaseMessaging _firebaseMessaging = FirebaseMessaging.instance;
static final NotificationHandler _singleton = NotificationHandler._internal();
factory NotificationHandler() {
return _singleton;
}
NotificationHandler._internal();
BuildContext myContext;
initializeFCMNotifications(BuildContext context) async {
await _firebaseMessaging.setForegroundNotificationPresentationOptions(
alert: true, badge: true, sound: true);
var initializationSettingsAndroid =
AndroidInitializationSettings('app_icon');
var initializationSettingsIOS = IOSInitializationSettings(
onDidReceiveLocalNotification: onDidReceiveLocalNotification);
var initializationSettings = InitializationSettings(
android: initializationSettingsAndroid, iOS: initializationSettingsIOS);
await flutterLocalNotificationsPlugin.initialize(initializationSettings,
onSelectNotification: onSelectNotification);
await _firebaseMessaging.subscribeToTopic("all");
await FirebaseMessaging.instance
.getInitialMessage()
.then((RemoteMessage message) {
if (message != null) {
print('initialmessage tetiklendi : ' + message.data.toString());
}
});
FirebaseMessaging.onMessage.listen((RemoteMessage message) {
var notification = message.notification;
var android = message.notification?.android;
print('ONMESSAGE ÇALIŞTI');
print('onmessage tetiklendi data : ' +
message.data['message'] +
' title ' +
message.data['title']);
showNotification(message.data);
});
FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {
print('Onmessageopened : ' + message.data.toString());
});
}
static void showNotification(Map<String, dynamic> data) async {
const androidPlatformChannelSpecifics = AndroidNotificationDetails(
'1234', 'Yeni Mesaj', 'your channel description',
importance: Importance.max, priority: Priority.high, ticker: 'ticker');
const IOSPlatformChannelSpecifics = IOSNotificationDetails();
const platformChannelSpecifics = NotificationDetails(
android: androidPlatformChannelSpecifics,
iOS: IOSPlatformChannelSpecifics);
await flutterLocalNotificationsPlugin.show(
0, data['title'], data['message'], platformChannelSpecifics,
payload: 'The value when notification tapped');
}
Future onSelectNotification(String payload) async {
if (payload != null) {
debugPrint('notification payload : $payload');
}
}
Future onDidReceiveLocalNotification(
int id, String title, String body, String payload) {}
}
and these are the versions of the packages I use
firebase_messaging: ^9.1.1
flutter_local_notifications: ^5.0.0+1
Sources
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Source: Stack Overflow
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