[a11y] Add expanded state in Semantics widget on Android #92040

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1. danagbemava-nc

   added

   in triagePresently being triaged by the triage teamPresently being triaged by the triage team

   on Oct 19, 2021
2. danagbemava-nc

   changed the title [-]Add expanded state in Semantics widget[/-] [+][Proposal] Add expanded state in Semantics widget[/+] on Oct 19, 2021
3. danagbemava-nc

   added

   a: accessibilityAccessibility, e.g. VoiceOver or TalkBack. (aka a11y)Accessibility, e.g. VoiceOver or TalkBack. (aka a11y)

   frameworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.

   passed first triage

   c: proposalA detailed proposal for a change to FlutterA detailed proposal for a change to Flutter

   c: new featureNothing broken; request for a new capabilityNothing broken; request for a new capability

   and removed

   in triagePresently being triaged by the triage teamPresently being triaged by the triage team

   on Oct 19, 2021
4. goderbauer commented on Oct 20, 2021

   

   goderbauer

   on Oct 20, 2021

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   What does this map to in Android's and iOS's accessibility API?
5. GabrieleSuzart commented on Oct 27, 2021

   

   GabrieleSuzart

   on Oct 27, 2021

   Last edited by GabrieleSuzart

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   Searching, I found the map in Android: AccessibilityNodeInfoCompat.ACTION_EXPAND or AccessibilityNodeInfoCompat.ACTION_COLLAPSE on the AccessibilityNodeInfo

   Luckily I found a property called isExpanded in init. It's possible that this is it, but I'm not sure and I don't know how to test it, as I had never used native languages. @goderbauer could you test and confirm?
6. GabrieleSuzart commented on Oct 29, 2021

   

   GabrieleSuzart

   on Oct 29, 2021

   Last edited by GabrieleSuzart

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   I got a response on Stack Overflow from an accessibility expert:

   UIAccessibilityTraits is how states are indicated. It's part of UIAccessibility and not part of Swift, but you can set UIAccessibilityTraits from Swift. However, iOS does not have a natively supported expand/collapse property, unlike Android. You'll have to code around it by using accessibilityHint.

   By: slugolicious
7. goderbauer

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   P2Important issues not at the top of the work listImportant issues not at the top of the work list

   on Feb 23, 2022
8. flutter-triage-bot

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   on Jul 8, 2023
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11. ksokolovskyi

    moved this from In progress to PR submitted in Nevercodeon Sep 6, 2025
12. github-merge-queue

    added a commit that references this issue on Sep 27, 2025

    [a11y] Add `expanded` flag support to Android. (#174981)

    ...

    c6ffbdf
13. auto-submit

    closed this as completedin #174981on Sep 27, 2025
14. github-project-automation

    moved this from PR submitted to Done (PR merged) in Nevercodeon Sep 27, 2025
15. github-project-automation

    moved this to Done in Framework A11y Hotliston Sep 27, 2025
16. ksokolovskyi

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    r: solvedIssue is closed as solvedIssue is closed as solved

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    on Sep 27, 2025
17. rekire commented on Sep 28, 2025

    

    rekire

    on Sep 28, 2025

    Last edited by rekire

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    I'm not sure if I run into a merge conflict or something similar, but in my current dev branch has semantics.dart an unresolved reference to SemanticsAction.collapse and SemanticsAction.expand. Is this a known issue? Git blame references this ticket here, so I'm a bit confused.

    I just notices that the file is in bin/cache/pkg/sky_engine/lib/ui/semantics.dart does that mean that I have a incompatible sky_engine version? How can I fix it?
18. ksokolovskyi commented on Sep 29, 2025

    

    ksokolovskyi

    on Sep 29, 2025

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    I'm not sure if I run into a merge conflict or something similar, but in my current dev branch has semantics.dart an unresolved reference to SemanticsAction.collapse and SemanticsAction.expand. Is this a known issue? Git blame references this ticket here, so I'm a bit confused.

    I just notices that the file is in bin/cache/pkg/sky_engine/lib/ui/semantics.dart does that mean that I have a incompatible sky_engine version? How can I fix it?

    Hi @rekire, please make sure that you have merged the latest master into your dev branch. If yes, then try to remove bin/cache folder and run flutter doctor to download the fresh sky_engine. I hope this helps.

    👍React with 👍1Reacted by René Kilczan
19. github-actions commented on Oct 13, 2025

    

    github-actionsbot

    on Oct 13, 2025 – with GitHub Actions

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    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.
20. github-actions

    locked as resolved and limited conversation to collaborators on Oct 13, 2025
21. reidbaker

    added a commit that references this issue on Dec 10, 2025

    [a11y] Add `expanded` flag support to Android. (flutter#174981)

    ...

    e3f24e7
22. Nakiha

    added a commit that references this issue on Sep 28, 2026

    [a11y] Add `expanded` flag support to Android. (#174981)

    ...

    c45fad3