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Platforms/iOS/IosNotificationHelper.cs

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+using Foundation;
+using UserNotifications;
+
+namespace HeartRateMonitorAndroid.Platforms.iOS
+{
+    // iOS平台特定的通知帮助类
+    public static class IosNotificationHelper
+    {
+        // 请求通知权限
+        public static async Task RequestNotificationPermission()
+        {
+            var options = UNAuthorizationOptions.Alert | UNAuthorizationOptions.Sound;
+            var center = UNUserNotificationCenter.Current;
+            var result = await center.RequestAuthorizationAsync(options);
+
+            // 权限请求结果处理
+            if (result.Item1)
+            {
+                // 已获得权限
+                Console.WriteLine("通知权限获取成功");
+            }
+            else
+            {
+                // 权限被拒绝
+                Console.WriteLine("通知权限被拒绝");
+            }
+        }
+
+        // 显示本地通知
+        public static void ShowNotification(string title, string body, double timeIntervalSeconds = 0.1)
+        {
+            var content = new UNMutableNotificationContent
+            {
+                Title = title,
+                Body = body,
+                Sound = UNNotificationSound.Default
+            };
+
+            // 设置触发器
+            var trigger = UNTimeIntervalNotificationTrigger.CreateTrigger(timeIntervalSeconds, false);
+
+            // 创建请求
+            var requestId = Guid.NewGuid().ToString();
+            var request = UNNotificationRequest.FromIdentifier(requestId, content, trigger);
+
+            // 添加请求
+            UNUserNotificationCenter.Current.AddNotificationRequest(request, (error) =>
+            {
+                if (error != null)
+                {
+                    Console.WriteLine($"通知发送失败: {error}");
+                }
+            });
+        }
+
+        // 取消所有通知
+        public static void CancelAllNotifications()
+        {
+            UNUserNotificationCenter.Current.RemoveAllPendingNotificationRequests();
+            UNUserNotificationCenter.Current.RemoveAllDeliveredNotifications();
+        }
+    }
+}