Why Does Firebase UI Google Authentication Fail with Code: 10, Message: 10?

Firebase UI authentication with google fails with message (code:10 message:10)

In Firebase, authentication is a critical aspect. However, many users struggle with an issue when attempting to authenticate with Google via Firebase UI: a toast message with the code:10 and message:10. This problem often arises when downloading the app from the Play Store, despite it functioning flawlessly in debug mode.

Three Keys for Authentication:

To resolve this issue, you need to possess three keys:

• Debug key: Used during development and troubleshooting.
• Release key: Employed for distributing the app in the Play Store.
• Google Play App signing key: Originating from Google Play.

Key Additions and Troubleshooting:

After acquiring these keys, add them to your Firebase project:

1. Go to the Firebase console.
2. Select your project.
3. Navigate to Authentication and then Sign-In Method.
4. Click on the Google tab.
5. Add new keys by clicking the "Add fingerprint" button.
6. Paste the keys accordingly.

Additional Considerations:

• Verify that your Google Play App signing key matches the one used to sign your APK.
• Ensure that you have the latest version of Firebase UI.
• Update any out-of-date Android dependencies.

By following these steps and ensuring you have all the necessary keys, you should be able to resolve the authentication issue and have your app function correctly.

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