WebView always rendering in dark mode on Android even when system is in light mode

[bvic-dev]

On Android, the WebView consistently renders pages in dark mode, even if the phone is set to light mode. On iOS, it correctly respects the system theme (light/dark).

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Steps to reproduce

1. Create a Compose Multiplatform project using the Wizard:
   https://terrakok.github.io/Compose-Multiplatform-Wizard/

2. Add the compose-webview-multiplatform dependency.

3. On Android, ensure you have the Internet permission declared in AndroidManifest.xml:

   <uses-permission android:name="android.permission.INTERNET" />

4. In shared code (common module), use the following:

   val state = rememberWebViewState("https://github.com/KevinnZou/compose-webview-multiplatform")
   WebView(state, modifier = Modifier.fillMaxSize())

5. Run the app on an Android device/emulator configured for light mode.

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Observed Behavior (Android)

• The webpage is rendered in dark mode, despite the system being in light mode.

Expected Behavior

• The WebView should either:

  • Respect the system theme (light/dark), or at least
  • Not force dark mode when the system is set to light.

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Platforms

• Android: issue reproducible
• iOS: behaves correctly (follows system theme)