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I have a single project which is synced on two different machines. I have Android Studio and the emulator successfully installed on both machines. I also have successfully implemented Firebase + Google authentication. When I open the emulator on the first machine and run the app, everything works fine but when I run the same project on the second machine using the same user, the authentication fails. If it try to print the error it says:

Google sign in failed! Error 10:

How can I make both authentications work on both machines? Thanks!

Bertram Gilfoyle
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Joan P.
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1 Answers1

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You have to add the SHA-1 key of the second machine in your firebase project. The process is well explained already in this post. Please check it out in case you need clarification.

Bertram Gilfoyle
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