icon，权限

lib/services/notification_service.dart

@@ -1,5 +1,7 @@
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:flutter/foundation.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'dart:io' show Platform;
 
 /// Notification Service - Handles local notifications
 class NotificationService {
@@ -64,21 +66,40 @@ class NotificationService {
     // TODO: Navigate to appropriate screen if needed
   }
 
-  /// Request notification permissions (iOS only, Android auto-grants)
+  /// Request notification permissions (iOS and Android 13+)
   Future<bool> requestPermissions() async {
     if (kIsWeb) return false;
 
     try {
-      final result = await _notifications
-          .resolvePlatformSpecificImplementation<
-              IOSFlutterLocalNotificationsPlugin>()
-          ?.requestPermissions(
-            alert: true,
-            badge: true,
-            sound: true,
-          );
+      // Check if we're on Android or iOS
+      if (Platform.isAndroid) {
+        // Android 13+ requires runtime permission
+        final status = await Permission.notification.request();
 
-      return result ?? true; // Android always returns true
+        if (kDebugMode) {
+          print('Android notification permission status: $status');
+        }
+
+        return status.isGranted;
+      } else if (Platform.isIOS) {
+        // iOS permission request
+        final result = await _notifications
+            .resolvePlatformSpecificImplementation<
+                IOSFlutterLocalNotificationsPlugin>()
+            ?.requestPermissions(
+              alert: true,
+              badge: true,
+              sound: true,
+            );
+
+        if (kDebugMode) {
+          print('iOS notification permission result: $result');
+        }
+
+        return result ?? false;
+      }
+
+      return true; // Other platforms
     } catch (e) {
       if (kDebugMode) {
         print('Failed to request permissions: $e');
@@ -87,6 +108,27 @@ class NotificationService {
     }
   }
 
+  /// Check if notification permission is granted
+  Future<bool> hasPermission() async {
+    if (kIsWeb) return false;
+
+    try {
+      if (Platform.isAndroid) {
+        final status = await Permission.notification.status;
+        return status.isGranted;
+      } else if (Platform.isIOS) {
+        // For iOS, we can't easily check without requesting, so we assume granted after request
+        return true;
+      }
+      return true;
+    } catch (e) {
+      if (kDebugMode) {
+        print('Failed to check permission status: $e');
+      }
+      return false;
+    }
+  }
+
   /// Show focus session completed notification
   Future<void> showFocusCompletedNotification({
     required int minutes,