using System; using System.Runtime.Remoting.Contexts; using System.Threading; using System.Threading.Tasks; using System.Timers; using SampleApp.CustomRenderers; using SampleApp.iOS; using UIKit; using Xamarin.Forms; using Xamarin.Forms.Platform.iOS; [assembly: ExportRenderer(typeof(CustomLabel),typeof(iOSHasFocus))] namespace SampleApp.iOS { public class iOSHasFocus : LabelRenderer { protected override void OnElementChanged(ElementChangedEventArgs