public void OnSurfaceTextureAvailable(SurfaceTexture surface, int width, int height)
{
cameraPreview = previewPage.UnderlyingService.CameraPreview as CameraPreview;
cameraPreview.CameraFacing = CameraFacing.Back;
cameraPreview.FlashEnabled = false;
cameraPreview.PreviewTexture = surface;
cameraPreview.DisplayOrientation = 0;
previewPage.UnderlyingService.DetectionResultAquired += OnDetectionResultAquired;
textureView.LayoutParameters = new FrameLayout.LayoutParams(width, height);
surfaceTexture = surface;
previewPage.UnderlyingService.StartService();
}
protected override void OnElementChanged(ElementChangedEventArgs <CustomRenderer.CameraPreview> e)
{
base.OnElementChanged(e);
if (e.OldElement != null)
{
// Unsubscribe
cameraPreview.Click -= OnCameraPreviewClicked;
}
if (e.NewElement != null)
{
if (Control == null)
{
cameraPreview = new CameraPreview(Context);
SetNativeControl(cameraPreview);
}
Control.Preview = Camera.Open((int)e.NewElement.Camera);
// Subscribe
cameraPreview.Click += OnCameraPreviewClicked;
}
}
