Task <FileData> TakeMedia(bool p_isPhoto, CapturePhotoOptions p_options)
{
StatusBarStyle = UIApplication.SharedApplication.StatusBarStyle;
var viewController = GetHostViewController();
var ndelegate = new CaptureDelegate();
var od = Interlocked.CompareExchange(ref _pickerDelegate, ndelegate, null);
if (od != null)
{
throw new InvalidOperationException("同一时间只可激活一次");
}
var view = new CaptureController(ndelegate);
view.MediaTypes = new[] { p_isPhoto ? "public.image" : "public.movie" };
view.SourceType = UIImagePickerControllerSourceType.Camera;
view.CameraDevice = p_options.UseFrontCamera ? UIImagePickerControllerCameraDevice.Front : UIImagePickerControllerCameraDevice.Rear;
view.AllowsEditing = p_options.AllowCropping;
if (p_isPhoto)
{
view.CameraCaptureMode = UIImagePickerControllerCameraCaptureMode.Photo;
}
else if (p_options is CaptureVideoOptions voptions)
{
view.CameraCaptureMode = UIImagePickerControllerCameraCaptureMode.Video;
view.VideoQuality = (voptions.VideoQuality == 0) ? UIImagePickerControllerQualityType.Low : UIImagePickerControllerQualityType.High;
view.VideoMaximumDuration = voptions.DesiredLength.TotalSeconds;
}
viewController.PresentViewController(view, true, null);
return(ndelegate.Task.ContinueWith(t =>
{
Dismiss(view);
return t.Result;
}));
}
internal CaptureController(CaptureDelegate mpDelegate)
{
base.Delegate = mpDelegate;
}