void OpenStreetView(UIAlertAction action)
        {
            var panoramaService = new PanoramaService();
            var location        = new CoreLocation.CLLocationCoordinate2D(viewModel.Place.Geometry.Location.Latitude,
                                                                          viewModel.Place.Geometry.Location.Longitude);

            panoramaService.RequestPanorama(location, PanoramaRequestCallback);
        }
        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            //先初始化BMapManager
            DemoApplication app = (DemoApplication)this.Application;
            if (app.mBMapManager == null)
            {
                app.mBMapManager = new BMapManager(this);

                app.mBMapManager.Init(
                        new DemoApplication.MyGeneralListener());
            }
            SetContentView(Resource.Layout.activity_panorama_main);
            mPanoramaView = FindViewById<PanoramaView>(Resource.Id.panorama);
            //UI初始化
            mBtn = FindViewById<Button>(Resource.Id.button);
            mBtn.Visibility = ViewStates.Invisible;
            //道路名
            mRoadName = FindViewById<TextView>(Resource.Id.road);
            mRoadName.Visibility = ViewStates.Visible;
            mRoadName.Text = "百度全景";
            mRoadName.SetBackgroundColor(Color.Argb(200, 5, 5, 5));  //背景透明度
            mRoadName.SetTextColor(Color.Argb(255, 250, 250, 250));  //文字透明度
            mRoadName.TextSize = 22;
            //跳转进度条
            pd = new ProgressDialog(this);
            pd.SetMessage("跳转中……");
            pd.SetCancelable(true);//设置进度条是否可以按退回键取消 

            //初始化Searvice
            mService = PanoramaService.GetInstance(ApplicationContext);
            mCallback = new IPanoramaServiceCallbackImpl(this);
            //设置全景图监听
            mPanoramaView.SetPanoramaViewListener(this);

            //解析输入
            ParseInput();
        }
		void OpenStreetView (UIAlertAction action)
		{
			var panoramaService = new PanoramaService ();
			var location = new CoreLocation.CLLocationCoordinate2D (viewModel.Place.Geometry.Location.Latitude,
				viewModel.Place.Geometry.Location.Longitude);
			panoramaService.RequestPanorama (location, PanoramaRequestCallback);
		}