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Support putting multiple Flutter bundles in a single APK/IPA #18185

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Support putting multiple Flutter bundles in a single APK/IPA#18185
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a: existing-appsIntegration with existing apps via the add-to-app flowplatform-androidAndroid applications specificallyplatform-iosiOS applications specifically

Description

@mehmetf
mehmetf
opened on Jun 4, 2018

In conjunction with #18114, we also need to support shipping multiple Flutter bundles in the same APK/IPA file. For this to work:

  • Need to stop assuming findAppBundlePath is going to return a single path.
  • Load the framework files (such as platform.dill) from a separate resource than application bundles.
  • Change the way we record the bundle entries in manifest/plist.
  • Come up with a way to discover all bundles in the app.
  • Pick a reasonable default if no preference is provided.

Activity

  1. mehmetf
    added
    platform-androidAndroid applications specifically
    platform-iosiOS applications specifically
    a: existing-appsIntegration with existing apps via the add-to-app flow
    on Jun 4, 2018

  2. mravn-google commented on Jun 13, 2018

    @mravn-google
    mravn-google
    on Jun 13, 2018
    Contributor

    @mehmetf Can you elaborate on why we need this? A single Flutter bundle should be able to handle all the views you'd want, if you specify initialRoute when creating each one.

  3. mehmetf commented on Jun 13, 2018

    @mehmetf
    mehmetf
    on Jun 13, 2018
    ContributorAuthor

    @jason-simmons who is familiar with the discussions with mulligan.

    Several motivators for this:

    • Being able to load a section of Dart code only meant to execute in the background. I would want that isolate to have a rather small memory footprint and not load my entire Dart app (including Flutter framework itself).
    • Have multiple isolates being able to load different bundles so we get proper isolation. With the workaround we currently suggest you would need to load the entire app into memory multiple times to achieve the same effect.
    • We will need to support loading Flutter bundles off the wire. It seems that this requirement falls naturally from that.
  4. mehmetf
    added
    customer: dream (g3)
    on Jun 20, 2018

  5. mehmetf commented on Jul 19, 2018

    @mehmetf
    mehmetf
    on Jul 19, 2018
    ContributorAuthor

    I confirmed that customer: dream only needs to be able to dynamically load multiple apps. They don't care about multiple bundles in a single binary.

  6. mehmetf
    removed
    customer: dream (g3)
    on Jul 19, 2018

  7. sbaranov commented on Sep 6, 2018

    @sbaranov
    sbaranov
    on Sep 6, 2018
    Contributor

    I think this can be closed, since Flutter already supports dynamically loaded bundles.

  8. mehmetf commented on Sep 7, 2018

    @mehmetf
    mehmetf
    on Sep 7, 2018
    ContributorAuthor

    Sure. Let's close it.

    We get customers asking for this from time to time but the workaround we describe using initialRoute has been sufficient for them.

  9. mehmetf
    closed this as completedon Sep 7, 2018
  10. a-siva
    added 3 commits that reference this issue on May 8, 2020

    Manual roll of engine 7e205b3...3953c3c

    362a56d

    Manual roll of engine 7e205b3...3953c3c

    ec94772

    Manual roll of engine 7e205b3...3953c3c (#56677)

    7eff0a8

  11. github-actions commented on Sep 2, 2021

    @github-actions
    github-actionsbot
    on Sep 2, 2021

    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 Sep 2, 2021
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