SurfaceView sView;

        ISurfaceHolder surfaceHolder;

OnCreate里面：

 protected override void OnCreate(Bundle bundle)

        {



            base.OnCreate(bundle);

            RequestWindowFeature(WindowFeatures.NoTitle);

            Window.SetFlags(WindowManagerFlags.Fullscreen, WindowManagerFlags.Fullscreen);

            SetContentView(Resource.Layout.layoutCameraMain);

            // Create your application here

            ////获取ip地址

            ipname = this.Intent.GetStringExtra("ipname");

            //获取屏幕分辨率

            DisplayMetrics dm = new DisplayMetrics();

            Display display = WindowManager.DefaultDisplay;

            display.GetMetrics(dm);

            //screenWidth = dm.WidthPixels;

            //screenHeight = dm.HeightPixels;



            screenWidth = display.Width;

            screenHeight = display.Height;

            sView = FindViewById<SurfaceView>(Resource.Id.sView);//获取界面中的surface

            surfaceHolder = sView.Holder;//获得SurfaceView的SurfaceHolder;



            ISurfaceHolderCallback ish = new SurfaceHolderCallBack(this);

            surfaceHolder.AddCallback(ish);

            // 设置该SurfaceView自己不维护缓冲 

            surfaceHolder.SetType(SurfaceType.PushBuffers);

 }