public static void SetAutoFlash(CaptureRequest.Builder requestBuilder,
Android.Hardware.Camera2.CameraManager cameraManager, string cameraId)
{
if (IsFlashSupported(cameraManager, cameraId))
{
requestBuilder.Set(CaptureRequest.ControlAeMode, (int)ControlAEMode.OnAutoFlash);
}
}
public Camera(Context context, Android.Hardware.Camera2.CameraManager manager, string cameraId)
{
_context = context;
_manager = manager;
_cameraId = cameraId;
_stateCallback.Opened += OnOpened;
_captureListener.CaptureResultAvailable += CaptureListenerOnCaptureResultAvailable;
}
public CameraPreview(Context context, CameraDevice camera, Android.Hardware.Camera2.CameraManager manager,
Handler backgroundHandler,
CameraCaptureListener captureListener)
{
_context = context;
_camera = camera;
_manager = manager;
_backgroundHandler = backgroundHandler;
_captureListener = captureListener;
}
public static bool IsFlashSupported(Android.Hardware.Camera2.CameraManager cameraManager, string cameraId)
{
var characteristics = cameraManager.GetCameraCharacteristics(cameraId);
// Check if the flash is supported.
var available = (Boolean)characteristics.Get(CameraCharacteristics.FlashInfoAvailable);
if (available == null)
{
return(false);
}
return((bool)available);
}
