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[pigeon] Add support for sharing constants across platforms #188642

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Closed as duplicate
flutter/packages
#12032
Closed as duplicate
[pigeon] Add support for sharing constants across platforms#188642
flutter/packages
#12032
Labels
P2Important issues not at the top of the work listc: new featureNothing broken; request for a new capabilityc: proposalA detailed proposal for a change to Flutterp: pigeonrelated to pigeon messaging codegen toolpackageflutter/packages repository. See also p: labels.team-ecosystemOwned by Ecosystem team

Description

@andywolff
andywolff
opened on Jun 26, 2026

Use case

Pigeon is great for generating type-safe enums and model classes, but when I tried using it, I found I wanted to also put constants in my pigeons to be shared with native code.

Example use case:
For android_hardware_smoke_test (root issue #182123 ), I have a suite of integration tests which I want to run as both flutter driver tests in dart, and as Android Instrumented tests in kotlin. There are a few strings and test timeout constants which I would like to share between the dart and kotlin test scripts.

Proposal

It would be nice if I could define constants in my pigeons/messages.dart file and have them appear in the files generated by pub run pigeon.

Activity

  1. andywolff commented on Jun 26, 2026

    @andywolff
    andywolff
    on Jun 26, 2026
    ContributorAuthor

    cc @tarrinneal

  2. puneetkukreja98
    added
    in triagePresently being triaged by the triage team
    c: new featureNothing broken; request for a new capability
    c: proposalA detailed proposal for a change to Flutter
    packageflutter/packages repository. See also p: labels.
    p: pigeonrelated to pigeon messaging codegen tool
    team-ecosystemOwned by Ecosystem team
    and removed
    in triagePresently being triaged by the triage team
    on Jun 29, 2026
  3. stuartmorgan-g
    added
    P2Important issues not at the top of the work list
    on Jun 30, 2026
  4. stuartmorgan-g
    closed this as a duplicateof [pigeon] Support static constant values #66518 on Jun 30, 2026

  5. github-actions commented on Jul 14, 2026

    @github-actions
    github-actionsBot
    on Jul 14, 2026 – 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.

  6. github-actions
    locked as resolved and limited conversation to collaborators on Jul 14, 2026
  7. auto-submit
    added a commit that references this issue on Jul 21, 2026

    [pigeon] add support for top level consts (#12032)

    f918311
  8. Zubii12
    added a commit that references this issue on Jul 23, 2026

    [pigeon] add support for top level consts (flutter#12032)

    c3d1e7c
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    P2Important issues not at the top of the work listc: new featureNothing broken; request for a new capabilityc: proposalA detailed proposal for a change to Flutterp: pigeonrelated to pigeon messaging codegen toolpackageflutter/packages repository. See also p: labels.team-ecosystemOwned by Ecosystem team

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