void IBarCodeCamera.ToggleFlashlight()
{
Android.Hardware.Camera Camera;
Android.Hardware.Camera.Parameters parameters;
try
{
Camera = BarCodeCameraPreview.GetCamera();
parameters = Camera.GetParameters();
//prams.focus.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
if (!IsTorch)
{
parameters.FlashMode = Android.Hardware.Camera.Parameters.FlashModeTorch;
}
else
{
parameters.FlashMode = Android.Hardware.Camera.Parameters.FlashModeOff;
}
IsTorch = !IsTorch;
Camera.SetParameters(parameters);
}
catch (Exception ex)
{
Console.WriteLine("BarCodeCamera Exception : {0}", ex.ToString());
}
}
void ISurfaceHolderCallback.SurfaceCreated(ISurfaceHolder holder)
{
try
{
this.cameraSource.Start(this.surfaceView.Holder);
BarCodeCameraPreview.GetCamera().SetDisplayOrientation(this.cameraPreview.Orientation);
}
catch (Exception ex)
{
Console.WriteLine("BarcodeSurfaceHolderCallback Exception : {0}", ex.ToString());
}
}
object IBarCodeCamera.CreateViewGroup(object e)
{
if (barCodeCameraPreview == null || barCodeCameraPreview.IsDisposed || !barCodeCameraPreview.Context.Equals(this.context))
{
barCodeCameraPreview = new BarCodeCameraPreview(this.context);
this.barCodeCameraView = (e as ElementChangedEventArgs <BarCodeCameraView>).NewElement;
barCodeCameraPreview.OnDetected += (list) =>
{
this.barCodeCameraView?.TriggerOnDetected(list);
};
this.barCodeCameraView.SizeChanged += CameraView_SizeChanged;
return(barCodeCameraPreview);
}
return(null);
}
public BarcodeSurfaceHolderCallback(CameraSource cameraSource, SurfaceView surfaceView, BarCodeCameraPreview cameraPreview)
{
this.cameraSource = cameraSource;
this.surfaceView = surfaceView;
this.cameraPreview = cameraPreview;
}