microsoft / microsoft/react-native-windows

FlatList.onViewableItemsChanged callback broken

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#7,557 2 comments 0 reactions 0 assignees View on GitHub

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Area: FlatList bug Integration Follow-up Workstream: Component Parity
Dominant language
C++
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Description

Can be observed on page FlatList onViewableItemsChanged in RNTester - the callback doesn't get invoked when scrolling.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the RNTester page for FlatList onViewableItemsChanged and reproduce the problem while scrolling. Trace the callback path to determine why it is not invoked, then verify that scrolling triggers the callback as expected.

Written by the indexing model from the issue text.

Assessment

Tech stack
react-native
Domain
mobile
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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