import 'dart:io'; import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:flutter_local_notifications/flutter_local_notifications.dart'; import 'package:permission_handler/permission_handler.dart'; class NotificationManger { // private constructor to avoid create object NotificationManger._(); static FlutterLocalNotificationsPlugin localNotificationsPlugin; //= FlutterLocalNotificationsPlugin(); /// initialisation setting for all platform /// onNotificationPressed action when notification pressed to open tap /// onIOSNotificationPressed action when notification pressed /// to open tap in iOS versions older than 10 Future requestPermissions() async { } static initialisation(Function(NotificationResponse) onNotificationPressed, DidReceiveLocalNotificationCallback onIOSNotificationPressed) async { FlutterLocalNotificationsPlugin _flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin(); // initialise the plugin. app_icon needs to be a added as a drawable resource to the Android head project const AndroidInitializationSettings initializationSettingsAndroid = AndroidInitializationSettings('@drawable/ic_stat_name'); final DarwinInitializationSettings initializationSettingsDarwin = DarwinInitializationSettings(onDidReceiveLocalNotification: onIOSNotificationPressed); final InitializationSettings initializationSettings = InitializationSettings(android: initializationSettingsAndroid, iOS: initializationSettingsDarwin, macOS: initializationSettingsDarwin); localNotificationsPlugin = _flutterLocalNotificationsPlugin; if (Platform.isIOS) { await localNotificationsPlugin.resolvePlatformSpecificImplementation()?.requestPermissions(alert: true, badge: true, sound: true); } else if (Platform.isAndroid) { AndroidFlutterLocalNotificationsPlugin androidImplementation = localNotificationsPlugin.resolvePlatformSpecificImplementation(); bool granted = await androidImplementation?.requestPermission(); granted = granted ?? false; if (granted == false) { if (kDebugMode) { print("-------------------- Permission Granted ------------------------"); print(granted); } await Permission.notification.request(); } } await localNotificationsPlugin.initialize(initializationSettings, onDidReceiveNotificationResponse: onNotificationPressed); //localNotificationsPlugin = flutterLocalNotificationsPlugin; } // push new notificationBuildContext static Future showNotification({@required context, @required String title, @required String subtext, @required int hashcode, String payload}) async { const AndroidNotificationDetails androidChannel = AndroidNotificationDetails( 'com.hmg.atoms', 'ATOMS', channelDescription: 'Push notification service for ATOMS', importance: Importance.max, priority: Priority.max, icon: "@drawable/ic_stat_name", playSound: true, channelShowBadge: true, // enableLights: false, visibility: NotificationVisibility.public, //ledColor: Theme.of(context).colorScheme.secondary, // ledOnMs: 1, // ledOffMs: 0, enableVibration: true, groupKey: 'com.hmg.atoms', ); const DarwinNotificationDetails iosNotificationDetails = DarwinNotificationDetails( categoryIdentifier: "atoms", ); const platformChannel = NotificationDetails(android: androidChannel, iOS: iosNotificationDetails, macOS: iosNotificationDetails); await localNotificationsPlugin.show(hashcode, title, subtext, platformChannel, payload: payload); } }