TapGestureRecognizer disregards parent's IsEnabled status on iOS and Catalyst.

[derlidio]

Description

A TapGestureRecognizer will not obey the IsEnabled status of its parent on iOS and Catalyst. It will register touch actions and trigger its Tapped method. Do not happen on Android. Not tested on Windows.

Steps to Reproduce

1. Clone the attached repo
2. Build and Run on iOS Simulator or Catalyst

The "Click me too" button (composed by a Grid, a BoxView and a Label) under the normal Button should not be clickable, but it is.

Link to public reproduction project repository

https://github.com/derlidio/TapGestureBug.git

Version with bug

8.0.3

Is this a regression from previous behavior?

Yes, this used to work in Xamarin.Forms

Last version that worked well

Unknown/Other

Affected platforms

iOS, macOS

Affected platform versions

iOS 17, macOS Sonoma 14.1.1 (23B81)

Did you find any workaround?

No workaround besides checking for the control IsEnabled state on it's Tapped method.

Relevant log output

No response

[NXDMN]

Same here. I use InputTransparent to workaround

Microsoft.Maui.Handlers.ContentViewHandler.Mapper.AppendToMapping(nameof(VisualElement.IsEnabled), (handler, view) =>
{
    (view as VisualElement).InputTransparent = !view.IsEnabled;
});

[tjiakwokyung28]

tapgesture in net 7 better than net 8, net 8 many having problem

[ghost]

We've added this issue to our backlog, and we will work to address it as time and resources allow. If you have any additional information or questions about this issue, please leave a comment. For additional info about issue management, please read our Triage Process.

[metalium84]

I'm facing the same issue within a DataTemplate.
Parents with disregarded IsEnabled properties I found: Grid, Frame
Parent with regarded IsEnabled property: ViewCell

[XamlTest]

Verified this on Visual Studio Enterprise 17.9.0 Preview 2(8.0.3). Repro on iOS 17.0 and MacCatalyst, not repro on Windows 11 and Android 14.0-API34 with below Project:
TapGestureBug.zip

Screen.Recording.2023-12-28.at.4.57.09.PM.mov

[BlotskiyDmitriy]

This problem is still relevant. I noticed that it plays on all platforms except Android. I also studied and noticed that on all these platforms except Android, IsEnabled is not implemented in the gesture class.