configure method
Future<void>
configure({
- MessageHandler? onMessage,
- MessageHandler? onLaunch,
- MessageHandler? onResume,
- MessageHandler? onBackgroundMessage,
- FirebaseOptions? options,
override
Configures callbacks for supported message situations.
It should be called as soon as app is launch or you won't get the onLaunch
callback
Implementation
@override
Future<void> configure({
MessageHandler? onMessage,
MessageHandler? onLaunch,
MessageHandler? onResume,
MessageHandler? onBackgroundMessage,
FirebaseOptions? options,
}) async {
if (!didInitialize) {
await Firebase.initializeApp(
options: options,
);
didInitialize = true;
}
firebase.onTokenRefresh.listen((value) {
token.value = value;
});
FirebaseMessaging.onMessage.listen(onMessage);
FirebaseMessaging.onMessageOpenedApp.listen(onResume);
if (onBackgroundMessage != null) {
FirebaseMessaging.onBackgroundMessage(onBackgroundMessage);
}
final initial = await FirebaseMessaging.instance.getInitialMessage();
if (initial != null) {
onLaunch?.call(initial);
}
token.value = await firebase.getToken();
}