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Step 1: Are you in the right place?

• For issues or feature requests related to the code in this repository file a GitHub issue.
• For general technical questions, post a question on StackOverflow tagged appropriately.
• For general Firebase discussion, use the firebase-talk google group
• For help troubleshooting your application that does not fall under one of the above categories, reach out to the personalized Firebase support channel

Step 2: Describe your environment

• Android device: Pixel 3 AVD
• Android OS version: 10.0 (API29)
• Google Play Services version: 4.3.4
• Firebase/Play Services SDK version: 26.1.0
• FirebaseUI version: 7.0.0

Step 3: Describe the problem:

when changing the application theme's parent to "Theme.MaterialComponents.*", All buttons in FirebaseUI change style to default, primary colored, no icon buttons.
More detailed explanation in my SO question here: https://stackoverflow.com/questions/65745954/theme-materialcomponents-style-ruins-firebase-authui-layout

Steps to reproduce:

1. Go to AndroidMenifest.xml and locate the application theme style.
2. Go to styles.xml locate that style and set parent="Theme.MaterialComponents.NoActionBar" for it.
3. Start FirebaseUI sign-in screen.

Observed Results:

• Provider's buttons are now primary colored, no icon, simple buttons. see image in:
  https://stackoverflow.com/questions/65745954/theme-materialcomponents-style-ruins-firebase-authui-layout

Expected Results:

• Provider's buttons customized for each provider like shown in FirebaseUI docs:
  https://firebase.google.com/docs/auth/android/firebaseui

Relevant Code:

  <style name="AppTheme" parent="Theme.MaterialComponents.NoActionBar">
      ...
  </style>

startActivityForResult(
  AuthUI.getInstance().createSignInIntentBuilder()
      .setAvailableProviders(providers)
      .build(), 
  RC_SIGN_IN
)