protected override void OnResume()
        {
            base.OnResume();
            if (lv != null)
            {
                var Auto = repo.LeerAuto();

                adapter    = new AutoLVAdapter(this, Auto);
                lv.Adapter = adapter;
            }
        }
        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);
            var repo = new MemoryAutoRepository();

            // Set our view from the "main" layout resource
            SetContentView(Resource.Layout.Main);

            // Get our button from the layout resource,
            // and attach an event to it
            CrearBt = FindViewById <Button>(Resource.Id.btnCrear);
            lv      = FindViewById <ListView>(Resource.Id.listView1);

            var Auto = repo.LeerAuto();

            adapter = new AutoLVAdapter(this, Auto);

            //var adapter = new AutoLVAdapter(this, Auto);

            // lv.Adapter = adapter;

            CrearBt.Click += CrearBt_Click;
            lv.ItemClick  += Lv_ItemClick;
        }