how to get googleTokenID and googleAccessToken in Firebase Authentication on Unity

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On the official documentation of Firebase Authentication, the guide is only available on how you can get the googleAccessToken on native Android & iOS. No solution is available for Unity on their official guide.

Official Documentation showing the issue

The closest solution I have found is to use the Google Play Services plugin for Unity to get the access token, which is not a good solution for the cross-platform as the following plugin is deprecated on the iOS platform. So yah, your code will not work on iOS.

Also, I believe it's an expensive solution to add a plugin for a "googleIdToken".

google-signin firebase-authentication firebase unity3d
2 Answers

This process is complicated and Firebase documentation is not helping.

To address this issue Google recently released Google Sign-In plugin for Unity.

You can find detailed instructions on the read me file.

https://github.com/googlesamples/google-signin-unity

user_4211620
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