Notifications dart flutter notifications

notifications.dart

import 'package:flutter_local_notifications/flutter_local_notifications.dart';

class Notifications {
  FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
     FlutterLocalNotificationsPlugin();

  void initNotifications() async {
    final AndroidInitializationSettings initializationSettingsAndroid =
        AndroidInitializationSettings('app_icon');
    final IOSInitializationSettings initializationSettingsIOS =
        IOSInitializationSettings(
            onDidReceiveLocalNotification: null);
    final MacOSInitializationSettings initializationSettingsMacOS =
        MacOSInitializationSettings();
    final InitializationSettings initializationSettings = InitializationSettings(
        android: initializationSettingsAndroid,
        iOS: initializationSettingsIOS,
        macOS: initializationSettingsMacOS);
      await flutterLocalNotificationsPlugin.initialize(initializationSettings,
          onSelectNotification: selectNotification);
  }

  Future<void> pushNotification() async {
    const AndroidNotificationDetails androidPlatformChannelSpecifics =
    AndroidNotificationDetails(
        'push_messages: 0', 'push_messages: push_messages', 'push_messages: A new Flutter project',
        importance: Importance.max,
        priority: Priority.high,
        showWhen: false,
        enableVibration: true,
      );
    const NotificationDetails platformChannelSpecifics =
        NotificationDetails(android: androidPlatformChannelSpecifics);
    await flutterLocalNotificationsPlugin.show(
        0, 'Push Notifications With Flutter', 'Start to push notifications locally (@jeroenouw)', platformChannelSpecifics,
        payload: 'item x');
  }

  Future selectNotification(String payload) async {
    // some action...
  }
}