Android 本地加速改为 前台服务 & 修复 PendingIntent 在 Android 12+ 上的异常 & 主活动增加参数打开对应的子页

src/ST.Client.Android/Extensions/ContextExtensions.2.cs

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+using Android.App;
+using Android.Content;
+using Android.OS;
+using System.Application.Services.Native;
+using NativeService = System.Application.Services.Native.IServiceBase;
+
+// ReSharper disable once CheckNamespace
+namespace System
+{
+    partial class ContextExtensions
+    {
+        /// <summary>
+        /// 启动或关闭前台服务
+        /// </summary>
+        /// <typeparam name="TService"></typeparam>
+        /// <param name="context"></param>
+        /// <param name="startOrStop"></param>
+        public static void CallForegroundService<TService>(this Context context, bool startOrStop) where TService : Service, IServiceBase
+        {
+            Intent intent = new(context, typeof(TService));
+            intent.SetAction(startOrStop ? NativeService.START : NativeService.STOP);
+            if (Build.VERSION.SdkInt >= BuildVersionCodes.O)
+            {
+                context.StartForegroundService(intent);
+            }
+            else
+            {
+                context.StartService(intent);
+            }
+        }
+    }
+}