private void SetupUserInterface() { _activity = Context as Activity; _view = _activity.LayoutInflater.Inflate(Resource.Layout.CameraLayout, this, false); _cameraType = CameraFacing.Back; _textureView = _view.FindViewById <TextureView>(Resource.Id.textureView); _textureView.SurfaceTextureListener = this; _textureView.SetOnTouchListener(this); }