public void CapturePhoto(LivePhotoMode livePhotoMode, bool saveToPhotoLibrary)
{
_sessionQueue.DispatchAsync(() =>
{
var photoSettings = AVCapturePhotoSettings.Create();
if (_photoOutput.SupportedFlashModes.Contains(NSNumber.FromInt32((int)AVCaptureFlashMode.Auto)))
{
photoSettings.FlashMode = AVCaptureFlashMode.Auto;
}
photoSettings.IsHighResolutionPhotoEnabled = true;
var availablePhotoCodecTypes = photoSettings.AvailableEmbeddedThumbnailPhotoCodecTypes;
if (UIDevice.CurrentDevice.CheckSystemVersion(10, 0) && availablePhotoCodecTypes.Length > 0)
{
photoSettings.EmbeddedThumbnailPhotoFormat = new NSMutableDictionary
{
{ AVVideo.CodecKey, availablePhotoCodecTypes[0].GetConstant() }
};
}
if (livePhotoMode == LivePhotoMode.On)
{
if (_presetConfiguration == SessionPresetConfiguration.LivePhotos &&
_photoOutput.IsLivePhotoCaptureSupported)
{
photoSettings.LivePhotoMovieFileUrl =
NSUrl.CreateFileUrl(new[] { Path.GetTempPath(), $"{Guid.NewGuid()}.mov" });
}
else
{
Console.WriteLine(
"capture session: warning - trying to capture live photo but it's not supported by current configuration, capturing regular photo instead");
}
}
// Use a separate object for the photo capture delegate to isolate each capture life cycle.
var photoCaptureDelegate = new PhotoCaptureDelegate(photoSettings,
() => WillCapturePhotoAnimationAction(photoSettings),
CapturingLivePhotoAction, CapturingCompletedAction)
{
ShouldSavePhotoToLibrary = saveToPhotoLibrary
};
_photoOutput.CapturePhoto(photoSettings, photoCaptureDelegate);
});
}
private void CapturingCompletedAction(PhotoCaptureDelegate photoDelegate)
{
DispatchQueue.MainQueue.DispatchAsync(() =>
{
if (photoDelegate.PhotoData != null)
{
_photoCapturingDelegate?.DidCapturePhotoData(photoDelegate.PhotoData,
photoDelegate.RequestedPhotoSettings);
}
else if (photoDelegate.ProcessError != null)
{
_photoCapturingDelegate?.DidFailCapturingPhotoWith(photoDelegate.ProcessError);
}
});
}
