Pressable onPress fires when scrolling FlatList
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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
Erste Schritte
- Lies das ganze Issue und danach den Beitragsleitfaden des Projekts.
- Schreib ins Issue, dass du es übernimmst — das erspart doppelte Arbeit.
- Forke das Repository und arbeite in einem Branch.
- 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