Hello i have an issue in flutter IOS notification, when app is on background or kill state notification is showing only when we click to open the app otherWise notification is not showing in IOS device !
Please try this
class name FCM
import 'dart:async';
import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
Future<void> onBackgroundMessage(RemoteMessage message) async {
await Firebase.initializeApp();
if (message.data.containsKey('data')) {
// Handle data message
final data = message.data['data'];
}
if (message.data.containsKey('notification')) {
// Handle notification message
final notification = message.data['notification'];
}
// Or do other work.
}
class FCM {
final _firebaseMessaging = FirebaseMessaging.instance;
final streamCtlr = StreamController<String>.broadcast();
final titleCtlr = StreamController<String>.broadcast();
final bodyCtlr = StreamController<String>.broadcast();
setNotifications() {
FirebaseMessaging.onBackgroundMessage(onBackgroundMessage);
FirebaseMessaging.onMessage.listen(
(message) async {
if (message.data.containsKey('data')) {
// Handle data message
streamCtlr.sink.add(message.data['data']);
}
if (message.data.containsKey('notification')) {
// Handle notification message
streamCtlr.sink.add(message.data['notification']);
}
// Or do other work.
titleCtlr.sink.add(message.notification!.title!);
bodyCtlr.sink.add(message.notification!.body!);
},
);
// With this token you can test it easily on your phone
final token =
_firebaseMessaging.getToken().then((value) => print('Token: $value'));
}
dispose() {
streamCtlr.close();
bodyCtlr.close();
titleCtlr.close();
}
}
And Main Class
void main() async {
await init();
runApp(const MyApp1());
}
Future init() async {
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp();
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return const MaterialApp(
home: HomePage(),
);
}
}
class HomePage extends StatefulWidget {
const HomePage({Key? key}) : super(key: key);
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
String notificationTitle = 'No Title';
String notificationBody = 'No Body';
String notificationData = 'No Data';
@override
void initState() {
final firebaseMessaging = FCM();
firebaseMessaging.setNotifications();
firebaseMessaging.streamCtlr.stream.listen(_changeData);
firebaseMessaging.bodyCtlr.stream.listen(_changeBody);
firebaseMessaging.titleCtlr.stream.listen(_changeTitle);
super.initState();
}
_changeData(String msg) => setState(() => notificationData = msg);
_changeBody(String msg) => setState(() => notificationBody = msg);
_changeTitle(String msg) => setState(() => notificationTitle = msg);
@override
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
notificationTitle,
style: Theme.of(context).textTheme.headline4,
),
Text(
notificationBody,
style: Theme.of(context).textTheme.headline6,
),
Text(
notificationData,
style: Theme.of(context).textTheme.headline6,
),
],
),
),
);
}
}
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