void HandleImageDrop(DragEvent e)
{
var item = e.ClipData.GetItemAt(0);
var vw = e.LocalState.JavaCast <View>();
//Remove the local image view, vw is null if drop from another app
if (vw != null)
{
var owner = (ViewGroup)vw.Parent;
owner.RemoveView(vw);
}
else
{
ImageView imageView = new ImageView(Context);
var uri = item.Uri;
if (ContentResolver.SchemeContent.Equals(uri.Scheme, StringComparison.OrdinalIgnoreCase))
{
// Accessing a "content" scheme Uri requires a permission grant.
var dropPermissions = ActivityCompat.RequestDragAndDropPermissions(this.Activity, e);
if (dropPermissions == null)
{
// Permission could not be obtained.
return;
}
imageView.SetImageURI(uri);
}
else
{
// Other schemes (such as "android.resource") do not require a permission grant.
imageView.SetImageURI(uri);
}
vw = imageView;
}
imageDropContainer.RemoveAllViews();
imageDropContainer.AddView(vw);
vw.Visibility = ViewStates.Visible;
}