Flutter notifications

"Normal notifications are working, but scheduled notifications are not coming."

import 'package:flutter/material.dart';
import 'notification_helper.dart';
import 'package:timezone/timezone.dart' as tz;
import 'dart:async';
import 'package:timezone/data/latest.dart' as tz;

Future main() async {
WidgetsFlutterBinding.ensureInitialized();
await NotificationHelper.initialize();
tz.initializeTimeZones(); // Initialize the timezone database
runApp(const MyApp());
}

class MyApp extends StatelessWidget {
const MyApp({super.key});

@override
Widget build(BuildContext context) {
return const MaterialApp(
title: 'Flutter Demo',
home: MyHomePage(),
);
}
}

class MyHomePage extends StatelessWidget {
const MyHomePage({super.key});

@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Ana Sayfa'),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
TextButton(
onPressed: () {
// Anında bildirim göster
NotificationHelper.showNotification(
title: 'Anında Bildirim',
body: 'Bu bir anında bildirimdir.',
payload: 'anindaBildirim',
);
},
child: const Text('Anında Bildirim'),
),
const SizedBox(height: 20),
TextButton(
onPressed: () {
// 30 saniye sonra bildirim göster
DateTime scheduledTime = DateTime.now().add(const Duration(seconds: 1));
NotificationHelper.scheduleNotification(
scheduledDateTime: scheduledTime,
title: 'Zamanlanmış Bildirim',
body: 'Bu bildirim 30 saniye sonra gösterilecek.',
payload: 'zamanlanmisBildirim',
);
},
child: const Text('30 Saniye Sonra Bildirim'),
),
],
),
),
);
}
}

//--------notification_helper.dart----------//
import 'dart:async';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:timezone/timezone.dart' as tz;

class NotificationHelper {
static final _notifications = FlutterLocalNotificationsPlugin();

static Future initialize() async {
const androidInitialize = AndroidInitializationSettings('@mipmap/ic_launcher'); // 'mipmap/ic_launcher' yerine 'ic_launcher' kullanın
const initializationsSettings = InitializationSettings(android: androidInitialize);
await _notifications.initialize(initializationsSettings);
}
static Future _notificationDetails() async => const NotificationDetails(
android: AndroidNotificationDetails(
"GunSayaci",
"day_counterr_1",
importance: Importance.max,
),
);
static Future showNotification({
int id = 0,
required String title,
required String body,
required String payload, // bildirime extra veri eklemek istersek
}) async =>
_notifications.show(id, title, body, await _notificationDetails(),
payload: payload);
static Future scheduleNotification({
int id = 1,
String? title,
String? body,
String? payload,
required DateTime scheduledDateTime,
}) async =>
_notifications.zonedSchedule(
id,
title,
body,
tz.TZDateTime.from(scheduledDateTime, tz.local),
await _notificationDetails(),
androidScheduleMode: AndroidScheduleMode.alarmClock,
uiLocalNotificationDateInterpretation:
UILocalNotificationDateInterpretation.absoluteTime);
static Future unScheduleAllNotifications() async =>
await _notifications.cancelAll();
}