private void ViewModel_OnPresenterNeedsToNavigate(object sender, BaseViewModel e)
{
UIViewController viewController = ViewModelToViewConverter.Convert(e);
MyNavigationController.ShowViewController(viewController, null);
_liveViews.Add(new Tuple <BaseViewModel, UIViewController>(e, viewController));
}
private void ViewModel_OnPresenterNeedsToGoBack(object sender, EventArgs e)
{
var removedViewController = MyNavigationController.PopViewController(true);
_liveViews.RemoveWhere(i => i.Item2 == removedViewController);
}