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HCPP auto upgrade mechanism does not work for VD/TLHC due to expected return value #181000

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#181024
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HCPP auto upgrade mechanism does not work for VD/TLHC due to expected return value#181000
#181024
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gmackall
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P1High-priority issues at the top of the work listplatform-androidAndroid applications specificallyplatform-views: hcppIssues which affect the HCPP platform views backendteam-androidOwned by Android platform teamtriaged-androidTriaged by Android platform team

Description

@gmackall
gmackall
opened on Jan 14, 2026

Currently we are attempting to launch HCPP as a universal upgrade, where when a manifest flag is set, all PVs are auto upgraded to HCPP.

Mechanically this is done by intercepting the create request in PlatformViewsChannel.java
https://github.com/flutter/flutter/blob/master/engine/src/flutter/shell/platform/android/io/flutter/embedding/engine/systemchannels/PlatformViewsChannel.java#L94
Inspecting the state of HCPP support, and returning HCPP if it is supported/enabled. However, this currently results in a NPE because the return is null.

This works with HC, but the other modes expect a texture id return, and then do stuff with that texture id. Returning null results in a NPE. Need to fix this.

Activity

  1. gmackall
    self-assigned this
    on Jan 14, 2026
  2. gmackall
    added
    platform-views: hcppIssues which affect the HCPP platform views backend
    P1High-priority issues at the top of the work list
    team-androidOwned by Android platform team
    triaged-androidTriaged by Android platform team
    on Jan 14, 2026
  3. gmackall
    added this to Hybrid Composition++ (HCPP) Platform Viewson Jan 14, 2026
  4. github-project-automation
    moved this to Todo in Hybrid Composition++ (HCPP) Platform Viewson Jan 14, 2026
  5. jmagman
    added
    platform-androidAndroid applications specifically
    on Feb 4, 2026

  6. jaredjhallen commented on Feb 9, 2026

    @jaredjhallen
    jaredjhallen
    on Feb 9, 2026 · Hidden as off-topic
  7. github-merge-queue
    added a commit that references this issue on Feb 11, 2026

    Make HCPP upgrading work for vd/tlhc (#181024)

    a191754
  8. auto-submit
    closed this as completedin #181024on Feb 11, 2026
  9. github-project-automation
    moved this from Todo to Done in Hybrid Composition++ (HCPP) Platform Viewson Feb 11, 2026
  10. rickhohler
    added a commit that references this issue on Feb 19, 2026

    Make HCPP upgrading work for vd/tlhc (flutter#181024)

    d68c077

  11. github-actions commented on Feb 26, 2026

    @github-actions
    github-actionsbot
    on Feb 26, 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.

  12. github-actions
    locked as resolved and limited conversation to collaborators on Feb 26, 2026
  13. mboetger
    added a commit that references this issue on Mar 26, 2026

    Make HCPP upgrading work for vd/tlhc (flutter#181024)

    7580c2d
  14. Nakiha
    added a commit that references this issue on Sep 28, 2026

    Make HCPP upgrading work for vd/tlhc (#181024)

    5d90c86
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P1High-priority issues at the top of the work listplatform-androidAndroid applications specificallyplatform-views: hcppIssues which affect the HCPP platform views backendteam-androidOwned by Android platform teamtriaged-androidTriaged by Android platform team

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