added notification for tracking function and button to reset map position to current location

time

lib/services/notification_service.dart

@@ -0,0 +1,45 @@
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+
+class NotificationService {
+  final notifiactionPlugin = FlutterLocalNotificationsPlugin();
+
+  bool _isInitialized = false;
+
+  bool get isInitialized => _isInitialized;
+
+  Future<void> initNotification() async {
+    if (_isInitialized) return;
+
+    await notifiactionPlugin.resolvePlatformSpecificImplementation<AndroidFlutterLocalNotificationsPlugin>()!.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<void> showNotification({int id = 0, String? title}) async {
+    return notifiactionPlugin.show(id, title, "", notificationDetails());
+  }
+
+  Future<void> deleteNotification({id = 0}) async {
+    await notifiactionPlugin.cancel(id);
+  }
+}