private void _updateTorch(CameraFlashMode flashMode)
{
if (captureSession != null)
{
captureSession.BeginConfiguration();
var devices = AVCaptureDevice.DevicesWithMediaType(AVMediaType.Video);
foreach (var captureDevice in devices)
{
if (captureDevice.Position == AVCaptureDevicePosition.Back)
{
var avTorchMode = (AVCaptureTorchMode)Enum.ToObject(typeof(AVCaptureTorchMode), flashMode);
if (captureDevice.IsTorchModeSupported(avTorchMode))
{
try
{
NSError err;
captureDevice.LockForConfiguration(out err);
}
catch
{
return;
}
captureDevice.TorchMode = avTorchMode;
captureDevice.UnlockForConfiguration();
}
}
}
captureSession.CommitConfiguration();
}
}
public FormsCameraView()
{
flashMode = CameraFlashMode.Off;
mainView = new UIView {
TranslatesAutoresizingMaskIntoConstraints = false
};
AutoresizingMask = UIViewAutoresizing.FlexibleMargins;
captureSession = new AVCaptureSession
{
SessionPreset = AVCaptureSession.PresetHigh
};
previewLayer = new AVCaptureVideoPreviewLayer(captureSession)
{
VideoGravity = AVLayerVideoGravity.ResizeAspectFill
};
mainView.Layer.AddSublayer(previewLayer);
Add(mainView);
AddConstraints(NSLayoutConstraint.FromVisualFormat("V:|[mainView]|", NSLayoutFormatOptions.DirectionLeftToRight, null, new NSDictionary("mainView", mainView)));
AddConstraints(NSLayoutConstraint.FromVisualFormat("H:|[mainView]|", NSLayoutFormatOptions.AlignAllTop, null, new NSDictionary("mainView", mainView)));
}
public static void PickImageFromCamera(Action <Texture2D> callback, Action onCancel,
float compressionQuality = 1f,
bool allowEditing = true,
CameraType cameraType = CameraType.Front,
CameraFlashMode flashMode = CameraFlashMode.Auto)
{
if (IGUtils.IsIosCheck())
{
return;
}
Check.Argument.IsNotNull(callback, "callback");
compressionQuality = Mathf.Clamp01(compressionQuality);
_pickImageFromCamera(
ImageResultCallback, callback.GetPointer(),
IGUtils.ActionVoidCallback, onCancel.GetPointer(),
compressionQuality, allowEditing, cameraType == CameraType.Rear,
(int)flashMode);
}
/// <summary>
/// Sets the camera's flash mode.
/// </summary>
/// <param name="flashMode">The mode to set.</param>
public void SetFlashMode(CameraFlashMode flashMode)
{
if (!this.IsFlashAvailable())
{
throw new InvalidOperationException("The camera's flash is not available.");
}
NSError error;
if (!this.device.LockForConfiguration(out error))
{
throw new NSErrorException(error);
}
try
{
if (flashMode == CameraFlashMode.On)
{
this.device.FlashMode = AVCaptureFlashMode.On;
}
else if (flashMode == CameraFlashMode.Auto)
{
this.device.FlashMode = AVCaptureFlashMode.Auto;
}
else if (flashMode == CameraFlashMode.Off)
{
this.device.FlashMode = AVCaptureFlashMode.Off;
}
else
{
throw new ArgumentException("Invalid CameraFlashMode (" + flashMode + ").");
}
}
finally
{
this.device.UnlockForConfiguration();
}
}
internal static extern CameraError GetFlashMode(IntPtr handle, out CameraFlashMode mode);
