Firebase Messaging on Flutter after update

Question

I have been using Firebase Messaging in my app for a couple of years but after I decided to update my app and updated Flutter and plugin versions my existing code stopped working. I checked the official documentations but couldn't find an answer to why this code is not working. The code I use is below. What has changed in the new version causing my code to cease working?

 @override void initState() { super.initState(); _firebaseMessaging.configure( onMessage: (Map<String, dynamic> message) async { print("onMessage: $message"); }, onLaunch: (Map<String, dynamic> message) async { print("onLaunch: $message"); }, onResume: (Map<String, dynamic> message) async { print("onResume: $message"); }, ); _firebaseMessaging.requestNotificationPermissions( const IosNotificationSettings(sound: true, badge: true, alert: true)); _firebaseMessaging.onIosSettingsRegistered .listen((IosNotificationSettings settings) { print("Settings registered: $settings"); }); _firebaseMessaging.getToken().then((String token) { assert(token != null); setState(() { _homeScreenText = "Push Messaging token: $token"; }); print(_homeScreenText); }); }

jbyen · Accepted Answer · 2021-08-19 07:46:56Z

I think you are using the old method. Here is the new method:

My firebase_messaging package version is 10.0.1.

FirebaseMessaging.onMessage.listen((RemoteMessage message) { RemoteNotification notification = message.notification; showNotification(notification); }); FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) { print("onMessageOpenedApp: $message"); }); FirebaseMessaging.onBackgroundMessage((RemoteMessage message) { print("onBackgroundMessage: $message"); });

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