void HandleSubmit ()
{
if (progress == null) {
progress = new ProgressLabel (NSBundle.MainBundle.LocalizedString ("Verifying", "Verifying status message when adding accounts"));
NavigationItem.TitleView = progress;
progress.StartAnimating ();
}
cancelSource = new CancellationTokenSource ();
authenticator.SignInAsync (cancelSource.Token).ContinueWith (task => {
StopProgress ();
if (task.IsFaulted) {
this.ShowError ("Error Signing In", task.Exception);
}
else {
authenticator.OnSucceeded (task.Result);
}
}, TaskScheduler.FromCurrentSynchronizationContext ());
}
