public ItemDetailPageAdmin()
        {
            InitializeComponent();

            var item = new Item
            {
                Text        = "Item 1",
                Description = "This is an item description."
            };

            viewModel      = new ItemDetailViewModelAdmin(item);
            BindingContext = viewModel;
        }
 public ItemDetailPageAdmin(ItemDetailViewModelAdmin viewModel)
 {
     InitializeComponent();
     BindingContext = this.viewModel = viewModel;
 }