[MaterialAlertDialogBuilder] Creating MaterialAlertDialogBuilder crashes with ThemeEnforcement when using webview

Description: Creating instance of MaterialAlertDialogBuilder causes the app crash with error message: java.lang.IllegalArgumentException: The style on this component requires your app theme to be Theme.AppCompat (or a descendant).

Weirdly enough, there are 2 conditions for it:

1. Web view in Activity view or fragment.
2. Using a wrapper for resources in Activity.getResources. Like:

override fun getResources(): Resources {
      return AppResources(super.getResources())
}
class AppResources(res: Resources) : Resources(res.assets, res.displayMetrics, res.configuration)

Android API version: 8.1 (it doesn’t crash in 10 or R)

Material Library version: 1.2.0-alpha05

Device: Android Emulator Android 8.1

ThemeEnforcementCrash.zip

[hantrungkien]

@wcshi I have tested on android 7 and android 9. This PR also has merged.

This is not a bug in the Material library. This error occurs because when changing the configuration, some developers have created new Resource objects. This causes the application’s default theme to be changed and causes the Material library to throw an error.

[wcshi]

Marking this as closed since it’s not a bug in the library.