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[web] No way to set the placeholderMessage value #178172

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#178309
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[web] No way to set the placeholderMessage value#178172
#178309
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mdebbar
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P1High-priority issues at the top of the work lista: accessibilityAccessibility, e.g. VoiceOver or TalkBack. (aka a11y)fyi-accessibilityFor the attention of Framework Accessibility teamplatform-webWeb applications specificallyteam-webOwned by Web platform teamtriaged-webTriaged by Web platform team

Description

@yjbanov
yjbanov
opened on Nov 7, 2025

Internal Google issue: b/458487868

The web engine has a mutable top-level variable that specifies the label for the accessibility placeholder. It even documents that it can be updated (e.g. to internationalize it). However, it is declared in an internal engine library not exposed to the user.

Code:

flutter/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/semantics_helper.dart

Line 27 in 3daaf59

/// The message in the label for the placeholder element used to enable

We should move it to dart:ui_web, which is public, and can be actually set by the app developer.

Reproduction code

There's no way to write code to reproduce this. There simply is no public setter to call.

Activity

  1. yjbanov
    added
    a: accessibilityAccessibility, e.g. VoiceOver or TalkBack. (aka a11y)
    platform-webWeb applications specifically
    P1High-priority issues at the top of the work list
    team-webOwned by Web platform team
    triaged-webTriaged by Web platform team
    fyi-accessibilityFor the attention of Framework Accessibility team
    on Nov 7, 2025
  2. mdebbar
    self-assigned this
    on Nov 10, 2025
  3. github-merge-queue
    added a commit that references this issue on Nov 12, 2025

    [web] API to customize semantics placeholder message (#178309)

    e4d2b87
  4. auto-submit
    closed this as completedin #178309on Nov 12, 2025
  5. IvoneDjaja
    added a commit that references this issue on Nov 22, 2025

    [web] API to customize semantics placeholder message (flutter#178309)

    bf8a231

  6. github-actions commented on Nov 26, 2025

    @github-actions
    github-actionsBot
    on Nov 26, 2025 – with 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. github-actions
    locked as resolved and limited conversation to collaborators on Nov 26, 2025
  8. mboetger
    added a commit that references this issue on Dec 2, 2025

    [web] API to customize semantics placeholder message (flutter#178309)

    5ddd7b1
  9. reidbaker
    added a commit that references this issue on Dec 10, 2025

    [web] API to customize semantics placeholder message (flutter#178309)

    226b304
  10. Nakiha
    added a commit that references this issue on Sep 28, 2026

    [web] API to customize semantics placeholder message (#178309)

    962b223
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P1High-priority issues at the top of the work lista: accessibilityAccessibility, e.g. VoiceOver or TalkBack. (aka a11y)fyi-accessibilityFor the attention of Framework Accessibility teamplatform-webWeb applications specificallyteam-webOwned by Web platform teamtriaged-webTriaged by Web platform team

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