protected void ShowErrorForNativeUIAlert(string v) { new Plugin.Threading.UIThreadRunInvoker().BeginInvokeOnUIThread ( () => { // UIKit.UIAlertView alert = null; // alert = new UIKit.UIAlertView // ( // "WARNING", // v, // null, // "Ok", // null // ); //alert.Show(); var newAlert = new UIAlertController() { Title = "WARNING", Message = v, }; newAlert.AddAction( UIAlertAction.Create( "OK", UIAlertActionStyle.Default, null )); newAlert.PresentViewController(newAlert, animated: true, completionHandler: null); } ); return; }