Bugzilla43993.cs

using System.Collections.Generic;
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;

#if UITEST
using Xamarin.UITest;
using NUnit.Framework;
#endif

// Apply the default category of "Issues" to all of the tests in this assembly
// We use this as a catch-all for tests which haven't been individually categorized
#if UITEST
[assembly: NUnit.Framework.Category("Issues")]
#endif

namespace Xamarin.Forms.Controls.Issues
{
	[Preserve(AllMembers = true)]
	[Issue(IssueTracker.Bugzilla, 43993, "iOS: ListView size does not return to normal after keyboard disappears", PlatformAffected.iOS)]
	public class Bugzilla43993 : TestContentPage // or TestMasterDetailPage, etc ...
	{
		ListView _listView;

		protected override void Init()
		{
			var grid = new Grid { RowSpacing = 0 };
			grid.RowDefinitions.Add(new RowDefinition { Height = 50 });
			grid.RowDefinitions.Add(new RowDefinition { Height = 50 });
			grid.RowDefinitions.Add(new RowDefinition());
			grid.RowDefinitions.Add(new RowDefinition { Height = 50 });

			var contentView = new ContentView() { BackgroundColor = Color.Red };
			grid.AddChild(contentView, 0, 0);

			var entry = new Entry { AutomationId = "entry", BackgroundColor = Color.Blue };
			grid.AddChild(entry, 0, 1);

			var list = new List<int>();
			for (var i = 0; i < 100; i++)
			{
				list.Add(i);
			}

			_listView = new ListView() { ItemsSource = list };
			grid.AddChild(_listView, 0, 2);

			var contentView2 = new ContentView() { BackgroundColor = Color.Yellow };
			grid.AddChild(contentView2, 0, 3);

			Content = grid;

			NavigationPage.SetHasNavigationBar(this, false);
		}

		protected override void OnAppearing()
		{
			base.OnAppearing();

			_listView.ScrollTo(99, ScrollToPosition.End, false);
		}

#if UITEST
		[Test]
		public void Issue43993Test ()
		{
			RunningApp.WaitForElement(q => q.Marked("99"));
			RunningApp.WaitForElement(q => q.Marked("entry"));
			RunningApp.Tap(q => q.Marked("entry"));
			RunningApp.EnterText(q => q.Marked("entry"), "Typing");
			RunningApp.DismissKeyboard();
			RunningApp.WaitForElement(q => q.Marked("99"));
		}
#endif
	}
}