ListItemCell.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using Xamarin.Forms;
using System.Diagnostics;

namespace ListViewDemoVS
{
    class ListItemCell : ViewCell
    {
        public ListItemCell()
        {
            Label titleLabel = new Label
            {
                HorizontalOptions = LayoutOptions.FillAndExpand,
                FontSize = 25,
                FontAttributes = Xamarin.Forms.FontAttributes.Bold,
                TextColor = Color.White
            };
            titleLabel.SetBinding(Label.TextProperty, "Title");

            Label descLabel = new Label
            {
                HorizontalOptions = LayoutOptions.FillAndExpand,
                FontSize = 12,
                TextColor = Color.White
            };
            descLabel.SetBinding(Label.TextProperty, "Description");

            Label priceLabel = new Label
            {
                HorizontalOptions = LayoutOptions.End,
                FontSize = 25,
                TextColor = Color.Aqua
            };
            priceLabel.SetBinding(Label.TextProperty, "Price");

            var moreAction = new MenuItem
            {
                Text = "More"
            };
            moreAction.SetBinding(MenuItem.CommandParameterProperty, new Binding("."));

            moreAction.Clicked += (sender, e) =>
            {
                var mi = ((MenuItem)sender);
                var item = (ListItem)mi.CommandParameter;
                Debug.WriteLine("More clicked on: " + item.Title.ToString());
            };

            ContextActions.Add(moreAction);

            StackLayout viewLayoutItem = new StackLayout()
            {
                HorizontalOptions = LayoutOptions.StartAndExpand,
                Orientation = StackOrientation.Vertical,
                Children = { titleLabel, descLabel }
            };

            StackLayout viewLayout = new StackLayout()
            {
                HorizontalOptions = LayoutOptions.StartAndExpand,
                Orientation = StackOrientation.Horizontal,
                Padding = new Thickness(25, 10, 55, 15),
                Children = { viewLayoutItem, priceLabel }
            };

            View = viewLayout;
        }
    }
}