public override void WillDisplayAssetItem(ImagePickerController controller, ImagePickerAssetCell cell,
PHAsset asset)
{
switch (cell)
{
case var _ when cell is CustomVideoCell videoCell:
videoCell.Label.Text = GetDurationFormatter().StringFromTimeInterval(asset.Duration);
break;
case var _ when cell is CustomImageCell imageCell:
switch (asset.MediaSubtypes)
{
case PHAssetMediaSubtype.PhotoLive:
imageCell.SubtypeImage.Image = UIImage.FromBundle("icon-live");
break;
case PHAssetMediaSubtype.PhotoPanorama:
imageCell.SubtypeImage.Image = UIImage.FromBundle("icon-pano");
break;
default:
{
if (UIDevice.CurrentDevice.CheckSystemVersion(10, 2) &&
asset.MediaSubtypes == PHAssetMediaSubtype.PhotoDepthEffect)
{
imageCell.SubtypeImage.Image = UIImage.FromBundle("icon-depth");
}
break;
}
}
break;
}
}
public void WillDisplayAssetCell(ImagePickerAssetCell cell, int index)
{
var theAsset = Asset(index);
//if the cell is default cell provided by Image Picker, it's our responsibility
//to update the cell with the asset.
var defaultCell = cell as VideoAssetCell;
defaultCell?.Update(theAsset);
Delegate?.WillDisplayAssetItem(this, cell, theAsset);
}
/// <summary>
/// Called right before an asset item collection view cell is displayed. Use this method
/// to configure your cell based on asset media type, subtype, etc.
/// </summary>
/// <param name="controller">Controller.</param>
/// <param name="cell">Cell.</param>
/// <param name="asset">Asset.</param>
public virtual void WillDisplayAssetItem(ImagePickerController controller, ImagePickerAssetCell cell,
PHAsset asset)
{
}
