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using System.Linq;
using System.Threading.Tasks;
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
#if UITEST
using NUnit.Framework;
using Xamarin.Forms.Core.UITests;
#endif
namespace Xamarin.Forms.Controls
{
#if UITEST
[Category(UITestCategories.ListView)]
#endif
[Preserve(AllMembers = true)]
[Issue(IssueTracker.Bugzilla, 43214, "Setting Listview.IsRefreshing to false does not work on second \"pull\"")]
public class Bugzilla43214 : TestContentPage
{
public class MyViewModel : ViewModel
{
bool _isBusy;
public bool IsBusy
{
get { return _isBusy; }
set
{
_isBusy = value;
OnPropertyChanged();
}
}
}
protected override void Init()
{
var vm = new MyViewModel();
var label = new Label { Text = "Pull list to refresh once, then pull to refresh again. If the indicator does not disappear, this test has failed." };
var listview = new ListView
{
ItemsSource = Enumerable.Range(0, 20),
IsPullToRefreshEnabled = true,
RefreshCommand = new Command(async () =>
{
vm.IsBusy = true;
await Task.Delay(1000);
vm.IsBusy = false;
})
};
listview.SetBinding(ListView.IsRefreshingProperty, nameof(MyViewModel.IsBusy));
var stacklayout = new StackLayout { Children = { label, listview }, BindingContext = vm };
Content = stacklayout;
}
}
}
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