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2D follow up: Persist state for reordered keyed children #130754

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@Piinks

Related to #126297

I thought I would do both in one change, but looking at the code it will be easier to review these changes separately.

This would be similar to ChildIndexGetter and SliverChildDelegate.findIndexByKey API. If a stateful keyed child is reordered in a 2D scroll view, we should be able to persist its state when it changes ChildVicinity.

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  1. added
    c: new featureNothing broken; request for a new capability
    frameworkflutter/packages/flutter repository. See also f: labels.
    f: scrollingViewports, list views, slivers, etc.
    P2Important issues not at the top of the work list
    on Jul 17, 2023
  2. self-assigned this
    on Jul 17, 2023
  3. moved this to In Progress in 2D Scrollingon Jul 17, 2023
  4. added a commit that references this issue on Feb 29, 2024
    6068891
  5. moved this from In Progress to Done in 2D Scrollingon Feb 29, 2024
  6. github-actions commented on Mar 15, 2024

    @github-actions

    This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.

  7. locked as resolved and limited conversation to collaborators on Mar 15, 2024
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P2Important issues not at the top of the work listc: new featureNothing broken; request for a new capabilityf: scrollingViewports, list views, slivers, etc.frameworkflutter/packages/flutter repository. See also f: labels.team-frameworkOwned by Framework teamtriaged-frameworkTriaged by Framework team

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