Flashlist 2.x, maintainVisibleContentPosition with translate-with-padding will scroll twice when keyboard showing
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- Dominant language
- TypeScript
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Description
Description
The issue originates from: https://github.com/kirillzyusko/react-native-keyboard-controller/issues/1110
Seems FlashList with autoscrollToBottomThreshold will try to scroll to bottom when keyboard is showing, So the list will scroll twice.
I'm not sure this is a Flashlist issue or KeyboardAvoidingView issue.
Current behavior
https://github.com/user-attachments/assets/c0a19ef5-0c62-4c87-85e0-2003e9ab7379
the list will scroll twice
Expected behavior
Scroll once
Reproduction
reproduction repo: https://github.com/debugtheworldbot/keyboard-controller-example
Platform
- iOS
Environment
React Native info output:
"react-native-keyboard-controller": "1.18.5",
"@shopify/flash-list": "2.0.2",
"expo": "~54.0.25",
"react-native": "0.81.5",
FlashList version:2.0.2
Additional context
Checklist
- I've searched existing issues and couldn't find a duplicate
- I've provided a minimal reproduction (Expo Snack preferred)
- I'm using the latest version of @shopify/flash-list
- I've included all required information above
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by running the reproduction in the keyboard-controller-example repository with FlashList 2.0.2 on iOS, focusing on autoscrollToBottomThreshold, maintainVisibleContentPosition, and translate-with-padding while the keyboard appears. Confirm the two scroll events and trace the relevant FlashList behavior; done means the list scrolls only once.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- react-native, typescript
- Domain
- mobile
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100