react / react/react-native

Pressables don't prevent touches being forwarded to OS

Aperta
#56,061 2 commenti 15 reazioni 0 assegnatari Vedi su GitHub

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Needs: Triage :mag: p: Callstack Partner
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Descrizione

Description

React Native pressables don't seem to prevent the touches from being forwarded to the OS. This results in unexpected behavior in some situations.

e.g. on iPadOS, there is a large area at the top of the screen that can be tapped to scroll to the top. This area usually covers a similar height to the header bar. If headers have buttons that use pressables, the pressable handles the action, but iPadOS also handles the touch and scrolls any scrollview in the screen to the top.

This does not happen when using a native control (e.g., with UIControl), and only happens with React Native's Pressable. It is very common to add custom buttons to the header (even when using native stack and native header), many people also use custom headers. So the unexpected scroll to top results in a bad UX.

I'm not aware of a way to prevent this behavior right now.

Steps to reproduce
  1. Install the app on iPad simulator with yarn ios
  2. Scroll the scrollview so it's not at the top
  3. Click on the button in the header
  4. Observe that the button also scrolls the scrollview to the top
React Native Version

0.84.1

Affected Platforms

Runtime - iOS

Output of npx @react-native-community/cli info
System:
  OS: macOS 26.3
  CPU: (14) arm64 Apple M4 Pro
  Memory: 119.75 MB / 48.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 24.13.0
    path: /Users/satya/.local/state/fnm_multishells/2979_1773239105373/bin/node
  Yarn:
    version: 1.22.22
    path: /opt/homebrew/bin/yarn
  npm:
    version: 11.6.2
    path: /Users/satya/.local/state/fnm_multishells/2979_1773239105373/bin/npm
  Watchman:
    version: 2025.10.13.00
    path: /run/current-system/sw/bin/watchman
Managers:
  CocoaPods:
    version: 1.16.2
    path: /opt/homebrew/bin/pod
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 25.2
      - iOS 26.2
      - macOS 26.2
      - tvOS 26.2
      - visionOS 26.2
      - watchOS 26.2
  Android SDK:
    API Levels:
      - "28"
      - "29"
      - "30"
      - "31"
      - "32"
      - "33"
      - "35"
      - "36"
      - "36"
    Build Tools:
      - 28.0.3
      - 29.0.2
      - 30.0.2
      - 30.0.3
      - 31.0.0
      - 32.0.0
      - 33.0.0
      - 33.0.1
      - 34.0.0
      - 35.0.0
      - 35.0.0
      - 36.0.0
    System Images:
      - android-24 | Google APIs ARM 64 v8a
      - android-34 | Google APIs ARM 64 v8a
      - android-36.1 | Pre-Release 16 KB Page Size Google APIs ARM 64 v8a
      - android-36 | Google Play ARM 64 v8a
    Android NDK: Not Found
IDEs:
  Android Studio: 2025.3 AI-253.30387.90.2532.14935130
  Xcode:
    version: 26.2/17C52
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 17.0.8.1
    path: /opt/homebrew/opt/sdkman-cli/libexec/candidates/java/current/bin/javac
  Ruby:
    version: 2.6.10
    path: /usr/bin/ruby
npmPackages:
  "@react-native-community/cli":
    installed: 20.1.0
    wanted: 20.1.0
  react:
    installed: 19.2.3
    wanted: 19.2.3
  react-native:
    installed: 0.84.1
    wanted: 0.84.1
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: true
  newArchEnabled: true
iOS:
  hermesEnabled: true
  newArchEnabled: true
Stacktrace or Logs
NA
MANDATORY Reproducer

https://github.com/satya164/iPadTouchableRepro

Screenshots and Videos

https://github.com/user-attachments/assets/d81dcc82-ddf7-4c0b-82f1-f4bdb70ad798

Guida per i contributori

Apri la guida per i contributori

Come iniziare

  1. Leggi tutta la issue e poi la guida ai contributi del progetto.
  2. Commenta sulla issue per dire che te ne occupi tu — evita che due persone facciano lo stesso lavoro.
  3. Fai un fork del repository e lavora su un branch.
  4. Apri una pull request che faccia riferimento al numero della issue.

Direzione di ricerca

Inizia con il reproducer obbligatorio all'indirizzo https://github.com/satya164/iPadTouchableRepro e riproduci il comportamento di iPadOS descritto nell'issue, quindi traccia la gestione del tocco iOS di Pressable. Non è indicato alcun file sorgente né alcun test; il lavoro è completato quando l'attivazione di un Pressable non attiva più anche il comportamento di scorrimento in cima di iPadOS, mentre i controlli nativi rimangono invariati.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Valutazione

Stack tecnologico
react-native
Ambito
mobile
Tipo di issue
Bug
Difficoltà
4/5
Tempo stimato
3-5 giorni
Stato di attività
Tranquilla
Chiarezza
Abbastanza chiara
Idoneità per principianti
45/100

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