public static void ExecuteAsync(this UIViewController contrller,
Action action,
Action successHandler, Action <Exception> errorHandler)
{
var loadingOverlay = new LoadingOverlay(contrller.View.Frame);
contrller.View.Add(loadingOverlay);
Task.Factory.StartNew(() =>
{
try {
action();
} catch (Exception exception) {
contrller.InvokeOnMainThread(() => {
RemoveLoadingOverlay(loadingOverlay);
errorHandler(exception);
new UIAlertView("Error", exception.Message, null, "OK",
null).Show();
});
}
contrller.InvokeOnMainThread(() => {
RemoveLoadingOverlay(loadingOverlay);
successHandler();
}
);
});
}
public static void ExecuteAsync(this UIViewController contrller,
Action action,
Action successHandler, Action<Exception> errorHandler)
{
var loadingOverlay = new LoadingOverlay (contrller.View.Frame);
contrller.View.Add (loadingOverlay);
Task.Factory.StartNew (() =>
{
try {
action ();
} catch (Exception exception) {
contrller.InvokeOnMainThread (() => {
RemoveLoadingOverlay (loadingOverlay);
errorHandler(exception);
new UIAlertView ("Error", exception.Message, null, "OK",
null).Show ();
});
}
contrller.InvokeOnMainThread (() => {
RemoveLoadingOverlay (loadingOverlay);
successHandler ();
}
);
});
}
static void RemoveLoadingOverlay(LoadingOverlay loadingOverlay)
{
loadingOverlay.Hide();
loadingOverlay.RemoveFromSuperview();
}
static void RemoveLoadingOverlay(LoadingOverlay loadingOverlay)
{
loadingOverlay.Hide ();
loadingOverlay.RemoveFromSuperview ();
}