react / react/react-native

Pressable onPress fires when scrolling FlatList

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Component: FlatList Issue: Author Provided Repro Needs: Author Feedback
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Beschreibung

Description

When you have a list of <Pressable> inside a <FlatList>, and the list is short enough to fully fit on the screen (so that no scrolling is actually needed), then if you do scroll the list a whole bunch of onPress events will fire on the Pressable list items.

The expected behavior is that onPress should only be triggered when actually pressing an item.

I initially filed this report on the FlashList repo, but after further testing I actually believe this is a React Native issue.
Here's the FlashList issue: https://github.com/Shopify/flash-list/issues/1461
Here's an older very similar React Native issue that's been closed without a fix: https://github.com/facebook/react-native/issues/27355

Steps to reproduce

See the linked FlashList issue for the code and steps needed to reproduce

React Native Version

0.76.5

Affected Platforms

Runtime - Android

Output of npx react-native info
System:
  OS: macOS 15.1.1
  CPU: (12) arm64 Apple M3 Pro
  Memory: 560.73 MB / 36.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 20.18.1
    path: /usr/local/bin/node
  Yarn:
    version: 4.5.1
    path: /usr/local/bin/yarn
  npm:
    version: 10.8.2
    path: /usr/local/bin/npm
  Watchman:
    version: 2024.12.02.00
    path: /opt/homebrew/bin/watchman
Managers:
  CocoaPods: Not Found
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 24.1
      - iOS 18.1
      - macOS 15.1
      - tvOS 18.1
      - visionOS 2.1
      - watchOS 11.1
  Android SDK:
    API Levels:
      - "34"
      - "35"
    Build Tools:
      - 34.0.0
      - 35.0.0
    System Images:
      - android-34 | Google Play ARM 64 v8a
      - android-35 | Google APIs ARM 64 v8a
      - android-35 | Google Play ARM 64 v8a
    Android NDK: Not Found
IDEs:
  Android Studio: 2024.2 AI-242.23339.11.2421.12700392
  Xcode:
    version: 16.1/16B40
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 17.0.13
    path: /usr/bin/javac
  Ruby:
    version: 2.6.10
    path: /Users/tobbe/.rbenv/shims/ruby
npmPackages:
  "@react-native-community/cli":
    installed: 15.1.3
    wanted: ^15.1.3
  react:
    installed: 18.3.1
    wanted: 18.3.1
  react-native:
    installed: 0.76.5
    wanted: 0.76.5
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: Not found
  newArchEnabled: Not found
iOS:
  hermesEnabled: Not found
  newArchEnabled: Not found
Stacktrace or Logs
(NOBRIDGE) LOG  {"item": {"id": "3ac68afc-c605-48d3-a4f8-fbd91aa97f63", "title": "Second Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "58694a0f-3da1-471f-bd96-145571e29d72", "title": "Third Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "58694a0f-3da1-471f-bd96-145571e29d72", "title": "Third Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "58694a0f-3da1-471f-bd96-145571e29d72", "title": "Third Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "58694a0f-3da1-471f-bd96-145571e29d72", "title": "Third Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "58694a0f-3da1-471f-bd96-145571e29d72", "title": "Third Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "bd7acbea-c1b1-46c2-aed5-3ad53abb28ba", "title": "First Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "3ac68afc-c605-48d3-a4f8-fbd91aa97f63", "title": "Second Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "3ac68afc-c605-48d3-a4f8-fbd91aa97f63", "title": "Second Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "3ac68afc-c605-48d3-a4f8-fbd91aa97f63", "title": "Second Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "58694a0f-3da1-471f-bd96-145571e29d72", "title": "Third Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "58694a0f-3da1-471f-bd96-145571e29d72", "title": "Third Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "58694a0f-3da1-471f-bd96-145571e29d72", "title": "Third Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "58694a0f-3da1-471f-bd96-145571e29d72", "title": "Third Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "3ac68afc-c605-48d3-a4f8-fbd91aa97f63", "title": "Second Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "bd7acbea-c1b1-46c2-aed5-3ad53abb28ba", "title": "First Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "bd7acbea-c1b1-46c2-aed5-3ad53abb28ba", "title": "First Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "bd7acbea-c1b1-46c2-aed5-3ad53abb28ba", "title": "First Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "58694a0f-3da1-471f-bd96-145571e29d72", "title": "Third Item"}}
 (NOBRIDGE) LOG  {"item": {"id": "58694a0f-3da1-471f-bd96-145571e29d72", "title": "Third Item"}}
Reproducer

https://github.com/Tobbe/expo-bun-flash-list-issue

Screenshots and Videos

https://github.com/user-attachments/assets/6626450b-a771-46f5-80f1-f0d620394816

Beitragsleitfaden

Beitragsleitfaden öffnen

Erste Schritte

  1. Lies das ganze Issue und danach den Beitragsleitfaden des Projekts.
  2. Schreib ins Issue, dass du es übernimmst — das erspart doppelte Arbeit.
  3. Forke das Repository und arbeite in einem Branch.
  4. Öffne einen Pull Request, der die Issue-Nummer nennt.

Rechercherichtung

Starte zunächst den verlinkten Expo/Bun FlashList-Reproduzierer unter Android mit React Native 0.76.5 und bestätige das hier beschriebene Pressable/FlatList-Verhalten. Verfolge das relevante React Native-Verhalten ausgehend von dieser Reproduktion; die Aufgabe ist erledigt, wenn das Scrollen einer kurzen FlatList nicht mehr onPress auslöst, ein tatsächlicher Druck jedoch weiterhin schon.

Vom Indexierungsmodell aus dem Issue-Text verfasst.

Bewertung

Tech-Stack
android, react-native
Bereich
mobile-dev
Issue-Typ
Bug
Schwierigkeit
4/5
Geschätzter Aufwand
3-5 Tage
Aktivitätsstatus
Veraltet
Klarheit
Muss geklärt werden
Anfängerfreundlichkeit
32/100

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