[web]: How to find an example of AssetManifest.json?

[mirkancal]

I get a warning in console with my flutter_web app.

Asset manifest does not exist at assets/AssetManifest.json – ignoring.

I want to add that file, how can I find example of it?

My app is on Github pages and I'm using chrome to open it.

Version 74.0.3729.169 (Official Build) (64-bit)

Edit: I've added AssetManifest.json file which consist only {}. It solved my problem, but what to put in AssetManifest.json? I couldn't find any guide about it.

[superciccio]

that's the file
https://github.com/flutter/flutter_web/blob/master/examples/gallery/web/assets/FontManifest.json

[mirkancal]

It's FontManifest.json. Is it same?

[superciccio]

yep
https://github.com/flutter/flutter_web/blob/master/docs/migration_guide.md#webassetsfontmanifestjson-optional

[mirkancal]

I can't see any indication of that. Where it says exactly that AssetManifest.json and FontManifest.json files are the same?

[caztial]

I think without the AssetManifest.json release build images are not available

[Levi-Lesches]

Am I supposed to replace FontManifest.json with AssetManifest.json? Or do I put the same content in both?

[abinmittu]

Sample AssetManifest.json

{
  "assets": [
    "images/my_image_1",
    "images/my_image_2"
  ]
}

Directory Structure

web
    - assets
        - fonts
        - images
            - my_image_1
            - my_image_2
        - AssetManifest.json
        - FontManifest.json

[Levi-Lesches]

Thanks so much

[shivamenrichai]

can u give some example to use in dart file, not working web build

[Levi-Lesches]

What do you mean by Dart file? Like, how to refer to the assets?

[jonahwilliams]

If you're using the flutter tool to build you application the asset manifest is generated automatically. For more information see flutter.dev/web. I'm closing the issue since it is no longer relevant.

[NothingWorksToday]

If you're using the flutter tool to build you application the asset manifest is generated automatically.

Sorry to comment on such an old issue. Does it still get generated? Where is it placed - in the rootBundle? How can I access it? So far I accessed my other assets with

content = await rootBundle.loadString('assets/my_asset_file.json');

Is it the same for AssetManifest.json? Like

content = await rootBundle.loadString('assets/AssetManifest.json');

[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.