maui-linux/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Bugzilla25943.cs

using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;

#if UITEST
using Xamarin.Forms.Core.UITests;
using Xamarin.UITest;
using NUnit.Framework;
#endif

namespace Xamarin.Forms.Controls.Issues
{
#if UITEST
    [Category(UITestCategories.InputTransparent)]
    [Category(UITestCategories.Gestures)]
#endif
    [Preserve(AllMembers = true)]
    [Issue(IssueTracker.Bugzilla, 25943, 
		"[Android] TapGestureRecognizer does not work with a nested StackLayout", PlatformAffected.Android)]
    public class Bugzilla25943 : TestContentPage
    {
        Label _result;
        int _taps;
        const string InnerLayout = "innerlayout";
        const string OuterLayout = "outerlayout";
        const string Success = "Success";

        protected override void Init()
        {
            StackLayout layout = GetNestedStackLayout();

            var tapGestureRecognizer = new TapGestureRecognizer();
            tapGestureRecognizer.Tapped += (sender, e) =>
            {
                _taps = _taps + 1;
                if (_taps == 2)
                {
                    _result.Text = Success;
                }
            };
            layout.GestureRecognizers.Add(tapGestureRecognizer);

            Content = layout;
        }

        public StackLayout GetNestedStackLayout()
        {
            _result = new Label();

            var innerLayout = new StackLayout
            {
                AutomationId = InnerLayout,
                HeightRequest = 100,
                Orientation = StackOrientation.Horizontal,
                HorizontalOptions = LayoutOptions.Fill,
                BackgroundColor = Color.AntiqueWhite,
                Children =
                {
                    new Label
                    {
                        Text = "inner label",
                        FontSize = 20,
                        HorizontalOptions = LayoutOptions.Center,
                        VerticalOptions = LayoutOptions.CenterAndExpand
                    }
                }
            };

            var outerLayout = new StackLayout
            {
                AutomationId = OuterLayout,
                Orientation = StackOrientation.Vertical,
                BackgroundColor = Color.Brown,
                Children =
                {
                    _result,
                    innerLayout,
                    new Label
                    {
                        Text = "outer label",
                        FontSize = 20,
                        HorizontalOptions = LayoutOptions.Center,
                    }
                }
            };

            return outerLayout;
        }


#if UITEST
        [Test]
        public void VerifyNestedStacklayoutTapsBubble()
        {
            RunningApp.WaitForElement(q => q.Marked(InnerLayout));
            RunningApp.Tap(InnerLayout);

            RunningApp.WaitForElement(q => q.Marked(OuterLayout));
            RunningApp.Tap(OuterLayout);

            RunningApp.WaitForElement(Success);
        }
#endif

    }
}