Notification is added

android/app/build.gradle.kts

@@ -12,6 +12,7 @@ android {
     ndkVersion = flutter.ndkVersion
 
     compileOptions {
+        isCoreLibraryDesugaringEnabled = true
         sourceCompatibility = JavaVersion.VERSION_17
         targetCompatibility = JavaVersion.VERSION_17
     }
@@ -59,3 +60,7 @@ kotlin {
 flutter {
     source = "../.."
 }
+
+dependencies {
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.4")
+}

android/app/src/main/AndroidManifest.xml

@@ -2,7 +2,9 @@
 
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
-
+   <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+   <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
+   <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE"/>
    <!-- Required by url_launcher on Android 11+ to open external browser -->
    <queries>
        <intent>

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);
+  }
+}
+

lib/logic/session_timer.dart

@@ -5,6 +5,7 @@ import 'package:http/http.dart' as http;
 import 'package:paladinvpn/logic/app_config.dart';
 import 'package:paladinvpn/logic/vpn_connection.dart';
 import 'package:paladinvpn/logic/crypto_service.dart';
+import 'package:paladinvpn/components/notification.dart';
 
 /// SessionTimer acts as the client-side session authority for the VPN tunnel.
 /// 
@@ -51,6 +52,16 @@ class SessionTimer extends ChangeNotifier {
     return '${gb.toStringAsFixed(2)} GB';
   }
 
+  String get formattedDataUsed {
+    if (_usedBytes == 0) return '0.00 MB';
+    if (_usedBytes > 1024 * 1024 * 1024) {
+      final gb = _usedBytes / (1024 * 1024 * 1024);
+      return '${gb.toStringAsFixed(2)} GB';
+    }
+    final mb = _usedBytes / (1024 * 1024);
+    return '${mb.toStringAsFixed(2)} MB';
+  }
+
   double get progress {
     // Max duration is generally 60 or 90 minutes. We'll base the ring purely on data usage or just standard time
     // For UI simplicity, we'll return data progress:
@@ -119,6 +130,11 @@ class SessionTimer extends ChangeNotifier {
         }
         _lastUsedBytes = _usedBytes;
 
+        VpnNotificationManager.showOrUpdateStatus(
+          timeLeft: formatted,
+          speedKbps: '${_currentSpeedKbps.toStringAsFixed(2)} KB/s',
+        );
+
         notifyListeners();
       } else if (response.statusCode == 404) {
         // Peer not found on server (expired/deleted natively)
@@ -159,6 +175,7 @@ class SessionTimer extends ChangeNotifier {
     _timer = null;
     _remainingSeconds = 0;
     _currentSpeedKbps = 0.0;
+    VpnNotificationManager.cancel();
     notifyListeners();
   }
 

pubspec.lock

@@ -81,6 +81,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.9"
+  dbus:
+    dependency: transitive
+    description:
+      name: dbus
+      sha256: d0c98dcd4f5169878b6cf8f6e0a52403a9dff371a3e2f019697accbf6f44a270
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.12"
   fake_async:
     dependency: transitive
     description:
@@ -134,6 +142,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.2"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      sha256: "674173fd3c9eda9d4c8528da2ce0ea69f161577495a9cc835a2a4ecd7eadeb35"
+      url: "https://pub.dev"
+    source: hosted
+    version: "17.2.4"
+  flutter_local_notifications_linux:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_linux
+      sha256: c49bd06165cad9beeb79090b18cd1eb0296f4bf4b23b84426e37dd7c027fc3af
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.1"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      sha256: "85f8d07fe708c1bdcf45037f2c0109753b26ae077e9d9e899d55971711a4ea66"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.2.0"
   flutter_secure_storage:
     dependency: "direct main"
     description:
@@ -345,7 +377,7 @@ packages:
     source: hosted
     version: "1.9.1"
   path_provider:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path_provider
       sha256: "50c5dd5b6e1aaf6fb3a78b33f6aa3afca52bf903a8a5298f53101fdaee55bbcd"
@@ -392,6 +424,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      sha256: "91bd59303e9f769f108f8df05e371341b15d59e995e6806aefab827b58336675"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.2"
   platform:
     dependency: transitive
     description:
@@ -557,6 +597,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.11"
+  timezone:
+    dependency: transitive
+    description:
+      name: timezone
+      sha256: "2236ec079a174ce07434e89fcd3fcda430025eb7692244139a9cf54fdcf1fc7d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.9.4"
   typed_data:
     dependency: transitive
     description:
@@ -716,6 +764,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      sha256: "971043b3a0d3da28727e40ed3e0b5d18b742fa5a68665cca88e74b7876d5e025"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.6.1"
   yaml:
     dependency: transitive
     description:

pubspec.yaml

@@ -38,6 +38,8 @@ dependencies:
   url_launcher: ^6.3.2
   flutter_secure_storage: ^10.3.1
   uuid: ^4.5.3
+  flutter_local_notifications: ^17.0.0
+  path_provider: ^2.1.5
 
 dev_dependencies:
   flutter_test: