[Bug] [iOS] Tap gesture invoked even after performing clear() at ContentView

[saravananmadhesh]

Description

Added tap gesture at code behind with command involving on tap, and dynamically cleared the gesture collection and tap on the content view, still command executed.

Works fine in Android and UWP,

Steps to Reproduce

1. Add tap gesture for content view at code behind. ``

2. Clear the gesture, at button clicked.

3. Added new tapgesture at another button click.

Expected Behavior

Expected command only invoke at once.

Actual Behavior

Command invoked multiple times, based on setting new tapgesture to the content view.

Basic Information

• Version with issue: XF 5.0
• Last known good version: NN
• Platform Target Frameworks:
  • iOS: Checked with iOS 12.4 and 14.4

  • Build Logs

Reproduction Link

TapContentView.zip

Workaround

Not found.

[saravananmadhesh]

Any update for this?

[rachelkang]

Hi, @saravananmadhesh - thanks for submitting this issue. That's certainly very strange behavior and we'll have to investigate further.

I tested your repro and had success using .Remove instead of .Clear. So you can create a public variable for your pTapGestureRecognizer and then add the following code to your GoClearTap method: border.GestureRecognizers.Remove(pTapGestureRecognizer);

Hope this helps! :)