protected void loadData()
        {
            var Endpoint = "http://47.91.249.226:8000/api/Video/GetAllVideos";

            MyTask myTask = new MyTask();

            myTask.SetLitener(this);
            myTask.Execute(Endpoint); //启动异步任务


            //Action action = () =>
            //{
            //    OkHttpClient client = new OkHttpClient();


            //    // Create request for remote resource.
            //    Request request = new Request.Builder()
            //        .Url(Endpoint)
            //        .Build();

            //    // Execute the request and retrieve the response.
            //    Response response = client.NewCall(request).ExecuteAsync().Result;

            //    // Deserialize HTTP response to concrete type.
            //    string body = response.Body().StringAsync().Result;
            //    list = new List<VideoModel>();
            //    list = JsonConvert.DeserializeObject<List<VideoModel>>(body);
            //};


            _myHandler = new MyHandler(GetValue); //在主线程实例化一个Handler对象

            //RetrofitHelper.getBiliAppAPI()
            //        .getVideoDetails(av)
            //        .compose(this.bindToLifecycle())
            //        .subscribeOn(Schedulers.io())
            //        .observeOn(AndroidSchedulers.mainThread())
            //        .subscribe(videoDetails-> {
            //    mVideoDetailsInfo = videoDetails.getData();
            //    finishTask();
            //}, throwable-> {
            //});
            finishTask();
        }