将不适用于ListView的命令与Itemsource绑定

using System.Windows.Input;
using Xamarin.Forms;

namespace YourNamespace
{
    public class ListViewCommandBehavior : Behavior<ListView>
    {
        public static readonly BindableProperty CommandProperty = BindableProperty.Create(
            nameof(Command),
            typeof(ICommand),
            typeof(ListViewCommandBehavior));

        public ICommand Command
        {
            get { return (ICommand)GetValue(CommandProperty); }
            set { SetValue(CommandProperty, value); }
        }

        protected override void OnAttachedTo(ListView bindable)
        {
            base.OnAttachedTo(bindable);
            bindable.ItemTapped += OnItemTapped;
        }

        protected override void OnDetachingFrom(ListView bindable)
        {
            base.OnDetachingFrom(bindable);
            bindable.ItemTapped -= OnItemTapped;
        }

        private void OnItemTapped(object sender, ItemTappedEventArgs e)
        {
            if (Command != null && Command.CanExecute(e.Item))
            {
                Command.Execute(e.Item);
            }
        }
    }
}

<ListView>
    <ListView.Behaviors>
        <local:ListViewCommandBehavior Command="{Binding YourCommand}" />
    </ListView.Behaviors>
</ListView>