//more and less button Expand
        //public void onExpandBtnClicked(object Sender, EventArgs e)
        //{
        //    var buttonClickHandler = (Xamarin.Forms.Button)Sender;
        //    // access Parent Layout for Button
        //    StackLayout ParentStackLayout = (StackLayout)buttonClickHandler.Parent;
        //    // access first Label "name"
        //    Label nameLabel = (Label)ParentStackLayout.Children[0];
        //    if (buttonClickHandler.Text == "more")
        //    {
        //        nameLabel.MaxLines = 20;
        //        buttonClickHandler.Text = "less";
        //    }
        //    else
        //    {
        //        buttonClickHandler.Text = "more";
        //        nameLabel.MaxLines = 3;
        //    }
        //}

        protected override bool OnBackButtonPressed()
        {
            vm.Back();
            return(true);
        }