Notification is added

lib/components/notification.dart

@@ -0,0 +1,69 @@
+import 'dart:io';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+
+class VpnNotificationManager {
+  static final FlutterLocalNotificationsPlugin _plugin =
+      FlutterLocalNotificationsPlugin();
+  static bool _initialized = false;
+
+  static Future<void> init() async {
+    if (_initialized) return;
+
+    const androidSettings =
+        AndroidInitializationSettings('@mipmap/ic_launcher');
+    const initSettings = InitializationSettings(android: androidSettings);
+
+    await _plugin.initialize(initSettings);
+
+    // Request POST_NOTIFICATIONS permission on Android 13+
+    if (Platform.isAndroid) {
+      final androidPlugin = _plugin
+          .resolvePlatformSpecificImplementation<
+              AndroidFlutterLocalNotificationsPlugin>();
+      await androidPlugin?.requestNotificationsPermission();
+    }
+
+    _initialized = true;
+  }
+
+  static Future<void> showOrUpdateStatus({
+    required String timeLeft,
+    required String speedKbps,
+  }) async {
+    if (!_initialized) await init();
+
+    const androidDetails = AndroidNotificationDetails(
+      'paladin_vpn_status',
+      'VPN Status',
+      channelDescription: 'Persistent notification shown while VPN is active',
+      importance: Importance.low,
+      priority: Priority.low,
+      // Non-dismissable while VPN is running
+      ongoing: true,
+      autoCancel: false,
+      // Silent updates — no sound or vibration each time stats refresh
+      playSound: false,
+      enableVibration: false,
+      onlyAlertOnce: true,
+      // Hide the auto-generated timestamp
+      showWhen: false,
+      // Show on lock screen
+      visibility: NotificationVisibility.public,
+    );
+
+    const notificationDetails = NotificationDetails(android: androidDetails);
+
+    await _plugin.show(
+      888, // Fixed ID — always updates the same notification
+      'Paladin VPN Active',
+      'Time: $timeLeft  •  $speedKbps',
+      notificationDetails,
+    );
+  }
+
+  static Future<void> cancel() async {
+    if (!_initialized) return;
+    await _plugin.cancel(888);
+  }
+}
+