folder restructuring

lib/notification/notification_service.dart

@@ -0,0 +1,55 @@
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+
+class NotificationService {
+  static final NotificationService _instance = NotificationService._internal();
+
+  factory NotificationService() => _instance;
+
+  NotificationService._internal();
+
+  FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
+
+  Future<void> initializeNotifications() async {
+    const androidSettings = AndroidInitializationSettings(
+        '@mipmap/ic_launcher'
+    );
+
+    final iosSettings = DarwinInitializationSettings(
+    );
+
+
+    final initializationSettings = InitializationSettings(
+      android: androidSettings,
+      iOS: iosSettings,
+    );
+
+    await flutterLocalNotificationsPlugin.initialize(
+      settings: initializationSettings
+    );
+  }
+
+  Future<void> showNotification({required String title, required String body, required int badgeCount}) async {
+    const androidPlatformChannelSpecifics =
+    AndroidNotificationDetails(
+      'marmobile',
+      'Marianum Fulda',
+      importance: Importance.defaultImportance,
+      priority: Priority.defaultPriority,
+      ticker: 'Marianum Fulda',
+    );
+
+    const iosPlatformChannelSpecifics = DarwinNotificationDetails();
+
+    const platformChannelSpecifics = NotificationDetails(
+      android: androidPlatformChannelSpecifics,
+      iOS: iosPlatformChannelSpecifics
+    );
+
+    await flutterLocalNotificationsPlugin.show(
+      id: 0,
+      title: title,
+      body: body,
+      notificationDetails: platformChannelSpecifics
+    );
+  }
+}