ImagePickerControllerDataSource.cs

using CoreGraphics;
using Photos;
using UIKit;

namespace Softeq.ImagePicker.Sample;

public class ImagePickerControllerDataSource : Softeq.ImagePicker.Public.ImagePickerControllerDataSource
{
    public override UIView ImagePicker(PHAuthorizationStatus status)
    {
        var infoLabel = new UILabel(CGRect.Empty)
        {
            BackgroundColor = UIColor.Green,
            TextAlignment = UITextAlignment.Center,
            Lines = 0
        };
        switch (status)
        {
            case PHAuthorizationStatus.Restricted:
                infoLabel.Text = "Access is restricted\n\nPlease open Settings app and update privacy settings.";
                break;
            case PHAuthorizationStatus.Denied:
                infoLabel.Text =
                    "Access is denied by user\n\nPlease open Settings app and update privacy settings.";
                break;
        }

        return infoLabel;
    }
}