import 'package:flutter_local_notifications/flutter_local_notifications.dart'; class NotificationService { final notifiactionPlugin = FlutterLocalNotificationsPlugin(); bool _isInitialized = false; bool get isInitialized => _isInitialized; Future initNotification() async { if (_isInitialized) return; await notifiactionPlugin.resolvePlatformSpecificImplementation()!.requestNotificationsPermission(); const initSettingsAndroid = AndroidInitializationSettings( '@mipmap/ic_launcher', ); const initSettings = InitializationSettings(android: initSettingsAndroid); await notifiactionPlugin.initialize(initSettings); _isInitialized = true; } NotificationDetails notificationDetails() { return const NotificationDetails( android: AndroidNotificationDetails( "tracking0", "tracking ongoing", importance: Importance.low, priority: Priority.low, ongoing: true, ), ); } Future showNotification({int id = 0, String? title}) async { return notifiactionPlugin.show(id, title, "", notificationDetails()); } Future deleteNotification({id = 0}) async { await notifiactionPlugin.cancel(id); } }