protected FlexView(bool useScrollView = true)
        {
            IsClippedToBounds = true;
            BackgroundColor   = Color.Transparent;

            if (useScrollView)
            {
                var scroller = FormsUtils.GetExpandingScrollView();
                scroller.BindingContext = BindingContext;
                scroller.Content        = MasterLayoutAsView;
                Content = scroller;
            }
            else
            {
                Content = MasterLayoutAsView;
            }

            MasterLayoutAsView.BindingContext = BindingContext;
        }