focus3d.ro@ -- Thanks for reporting this issue. Could you please provide the sample APK file to reproduce this issue. This would help us in further triaging the issue.

Thanks in advance!

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This is not an Android app, but a PWA website with a manifest.json file, which get installed as an app via google chrome browser automatically or via browser menu add to Home screen)
The issue is that there is no mention on how text color can be controlled.
This the code calling the installtion https://cs.chromium.org/chromium/src/chrome/android/java/src/org/chromium/chrome/browser/webapps/AddToHomescreenDialog.java?sq=package:chromium&q=add+to+home+screen+file:%5Esrc/chrome/android/java/src/org/chromium/chrome/browser/+package:%5Echromium$&l=27

focus3d.ro@ -- Could you please provide a sample PWA website where the issue can be reproduced along with the screencast if possible. That would help us reproducing and triaging the issue.

Also CC'ing hanxi@ for the recent changes made to the file "AddToHomescreenDialog.java" as mentioned in C#6.
hanxi@ -- Could you please look into this issue.

Thanks in advance!

Hi,
I think that we are not on the same page and I am deeply sorry for that: I am asking for text color in the splash screen of a website using service worker aka PWA, installed via google chrome browser (add to Home screen) in android device.

manifest.json from  https://github.com/GoogleChromeLabs/airhorn and live website at https://airhorner.com/:
{
  "name": "The Air Horner",
  "short_name": "Air Horner",
  "icons": [{
        "src": "images/touch/Airhorner_128.png",
        "type": "image/png",
        "sizes": "128x128"
      }, {
        "src": "images/touch/Airhorner_152.png",
        "type": "image/png",
        "sizes": "152x152"
      }, {
        "src": "images/touch/Airhorner_144.png",
        "type": "image/png",
        "sizes": "144x144"
      }, {
        "src": "images/touch/Airhorner_192.png",
        "type": "image/png",
        "sizes": "192x192"
      },
      {
        "src": "images/touch/Airhorner_256.png",
        "type": "image/png",
        "sizes": "256x256"
      },
      {
        "src": "images/touch/Airhorner_512.png",
        "type": "image/png",
        "sizes": "512x512"
      }],
  "start_url": "/?homescreen=1",
  "scope": "/",
  "display": "standalone",
  "background_color": "#2196F3",
  "theme_color": "#2196F3"
}
As you can see for the color of the text ("name"), there is no way to define it and its color is defined (I think) by shouldUseLightForegroundOnBackground from https://cs.chromium.org/chromium/src/chrome/android/java/src/org/chromium/chrome/browser/util/ColorUtils.java?q=shouldUseLightForegroundOnBackground&sq=package:chromium&l=142

I apologies if my issue was not as clearer as it should be.

Thanks in advance.

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From the Web Manifest spec (https://www.w3.org/TR/appmanifest/#background_color-member), I don't think you can define the color of the title shown on the splash scree. The color of the text is set in code: https://cs.chromium.org/chromium/src/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappSplashScreenController.java?rcl=68e2ab63a7358d28f61f467c3d4731e45c6e73d8&l=256.

+Dominick: is there any plan to add customized color for the Web app name on the splash screen?

There is some work to try and spec the web app splash screen at https://github.com/w3c/manifest/issues/589, with the core proposal being a snapshot-based approach so developers can use arbitrary HTML styling. However, we're transitioning to ChromeOS focused work in Sydney, so our team will not be able to move this forward any more.

Hopefully there will be some interest from the platform or mobile orgs to work on making web app splashscreens more customisable for developers.