[Bug] Button "released" event not fired when using Shell

(2 commenti) (2 reazioni) (0 assegnatari)C# (1926 fork)batch import

a/shell :shell:e/2 :clock2:help wantedt/bug :bug:up-for-grabs

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Descrizione

Description

When using Shell, the event "released" on button are not fired if you move your finger while holding the button, even if it's the slightest move. Works well on an application without Shell. Behavior observed only on Android, not iOS.

Steps to Reproduce

Create an application using Shell
Add a button on a page
Wire "released" event to whatever you want
Run the app
Hold the button
Move just a bit your finger
Release your finger

=> No event

Expected Behavior

The event "released" should be fired

Actual Behavior

It's not fired.

Basic Information

Version with issue: Tested on 4.0.0.482894 and 4.1.0.483098-pre1
Last known good version: None
IDE: Visual Studio 2019 16.1.1
Platform Target Frameworks:
- iOS: Works as expected
- Android: Compile using Android 9.0
- UWP: Not tested
Android Support Library Version: 28.0.0.1

Reproduction Link

ButtonReleasedBugRepro.zip

Guida contributor

Direzione di ricerca: Analizza la struttura della pagina Shell e la propagazione degli eventi touch su Android. Determina perché l'evento released viene soppresso quando il dito si muove. Controlla se il renderer personalizzato di Shell o la gestione dei gesti interferiscono con gli eventi del pulsante.
Tech stack: csharp
Dominio: mobile dev
Tipo issue: Bug
Difficoltà: 3
Tempo stimato: 1-3 ore
Stato attività: Attiva
Chiarezza: Chiara
Prerequisiti: csharp
Adatta ai principianti: 60