public override async void DidFinishPicking(PHPickerViewController picker, PHPickerResult[] results)
{
if (results.Length == 0)
{
_photoPicker._taskCompletionSource.SetResult(null);
_photoPicker._viewController.DismissModalViewController(true);
return;
}
var item1 = results.ElementAt(0).ItemProvider;
var identifier = item1.RegisteredTypeIdentifiers.First();
var data1 = await item1.LoadDataRepresentationAsync(identifier);
var bytes1 = data1.ToArray();
byte[] bytes2 = null;
if (results.Length == 2)
{
var data2 = await results.ElementAt(1).ItemProvider.LoadDataRepresentationAsync(identifier);
bytes2 = data2.ToArray();
}
_photoPicker._taskCompletionSource.SetResult(new[] { bytes1, bytes2 });
_photoPicker._viewController.DismissModalViewController(true);
}
public override async void DidFinishPicking(PHPickerViewController picker, PHPickerResult[] results)
{
picker.DismissViewController(true, null);
Console.WriteLine("PHPickerViewController finished picking image");
foreach (var result in results)
{
if (result.ItemProvider.CanLoadObject(typeof(UIImage)))
{
var image = await result.ItemProvider.LoadObjectAsync <UIImage>();
BeginInvokeOnMainThread(() => imageView.Image = image);
await Task.Delay(1000);
}
}
}
partial void ShowPHImagePicker(NSObject sender)
{
var config = new PHPickerConfiguration
{
Filter = PHPickerFilter.ImagesFilter,
SelectionLimit = 0
};
var picker = new PHPickerViewController(config)
{
ModalPresentationStyle = UIModalPresentationStyle.Popover,
Delegate = new PickerDelegate(imagePreview)
};
var popPC = picker.PopoverPresentationController;
popPC.PermittedArrowDirections = UIPopoverArrowDirection.Any;
popPC.SourceView = uiImagePickerButton;
popPC.SourceRect = uiImagePickerButton.Bounds;
ShowViewController(picker, this);
}
public Task <byte[][]> GetImages()
{
var window = UIApplication.SharedApplication.KeyWindow;
_viewController = window.RootViewController;
if (UIDevice.CurrentDevice.CheckSystemVersion(14, 0))
{
var phPicker = new PHPickerViewController(new PHPickerConfiguration
{
Filter = PHPickerFilter.ImagesFilter,
SelectionLimit = 2
})
{
Delegate = new PHPickerDelegate(this)
};
_viewController.PresentModalViewController(phPicker, true);
}
else
{
_imagePicker = new UIImagePickerController
{
SourceType = UIImagePickerControllerSourceType.PhotoLibrary,
MediaTypes = UIImagePickerController.AvailableMediaTypes(UIImagePickerControllerSourceType.PhotoLibrary)
};
_imagePicker.FinishedPickingMedia += OnImagePickerFinishedPickingMedia;
_imagePicker.Canceled += OnImagePickerCancelled;
_viewController.PresentModalViewController(_imagePicker, true);
}
_taskCompletionSource = new TaskCompletionSource <byte[][]>();
return(_taskCompletionSource.Task);
}
