Scoped model which inits the notification system

app_model.dart

import 'package:flutter_local_notifications/flutter_local_notifications.dart';
// ...

class AppModel extends Model {
  static final FlutterLocalNotificationsPlugin _notifications =
      FlutterLocalNotificationsPlugin();
  
  // ...

  FlutterLocalNotificationsPlugin get notifications => _notifications;

  Future init() async {
    notifications.initialize(InitializationSettings(
      AndroidInitializationSettings('notification_launch'),
      IOSInitializationSettings(),
    ));
    
    // ...

    notifyListeners();
  }
}