fcm_config 3.0.1

This flutter package is made to merge between firebase_messaging package and flutter_local_notifications

fcm_config

add pcakage

dependencies:
  flutter:
    sdk: flutter
  fcm_config: ^3.0.0-nullsafety.17
# firbase_messaging has unresolved issue that prevent onMessage to be triggered so to solve this you has to add this 
# it is very important to listen to incomming notification
dependency_overrides:
  firebase_messaging_platform_interface:
    git:
      url: https://github.com/mo-ah-dawood/flutterfire.git
      path: packages/firebase_messaging/firebase_messaging_platform_interface

What can this packge do

• Show fcm notification while app is in forground
• Easly recieve incoming notification where you are
• Easly recieve clicked where you are
• Notification is an object

Setup

Android

• Follow steps here https://firebase.flutter.dev/docs/installation/android

Ios

• Follow steps here https://firebase.flutter.dev/docs/installation/ios

• Then here https://firebase.flutter.dev/docs/messaging/apple-integration

• iOS 10 is now the minimum supported version by FlutterFire. Please update your build target version.

MacOs

• Follow steps here https://firebase.flutter.dev/docs/installation/macos

• Then here https://firebase.flutter.dev/docs/messaging/apple-integration

Web

• Follow steps here https://firebase.flutter.dev/docs/installation/web

• Add fcm js liberary like here https://firebase.flutter.dev/docs/messaging/overview#5-web-only-add-the-sdk

• Add firebase-messaging-sw.js in your web folder see the example to see what this file contains

Dart/Flutter

Initialize

  void main() async {
      await FCMConfig().init();
      runApp(MaterialApp(
        home: MyHomePage(),
      ));
  }

Background messages(Web not supported)

• To handle message in background you can do that

    Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
     print("Handling a background message: ${message.messageId}");
    }
      
    void main() async {
      FCMConfig().init(onBackgroundMessage:_firebaseMessagingBackgroundHandler);
      runApp(MaterialApp(
        home: MyHomePage(),
      ));
    }

• To know more about background handler please https://firebase.flutter.dev/docs/messaging/usage#background-messages

Get token

   FCMConfig().getToken().then((token) {
        print(token);
   });

To get notification that launched the application

  await FCMConfig().getInitialMessage();// may be null
 

Listen to incomming notification :

• First option

  class MyScreen extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return FCMNotificationListener(
        onNotification:
            (RemoteMessage notification, void Function() setState) {},
        child: SizedBox(),
      );
    }
  }
  

• Second option

  class MyScreen extends StatefulWidget {
    @override
    _MyScreenState createState() => _MyScreenState();
  }
    
  class _MyScreenState extends State<MyScreen>
      with FCMNotificationMixin {
    @override
    Widget build(BuildContext context) {
      return SizedBox();
    }
    
    @override
    void onNotify(RemoteMessage notification) {
      // do some thing
    }
  }
    
  

Listen to notification tap:

• First option

  class MyScreen extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return FCMNotificationClickListener(
        onNotificationClick:
            (RemoteMessage notification, void Function() setState) {},
        child: SizedBox(),
      );
    }
  }
  

• Second option

  class MyScreen extends StatefulWidget {
    @override
    _MyScreenState createState() => _MyScreenState();
  }
    
  class _MyScreenState extends State<MyScreen>
      with FCMNotificationClickMixin {
    @override
    Widget build(BuildContext context) {
      return SizedBox();
    }
    
    @override
    void onClick(RemoteMessage notification) {
      // do some thing
    }
  }
    
  

Localize your notification

see https://pub.dev/packages/fcm_localization