Android Google SignIn not working in debug mode: GoogleSignInResult is false

android google-signin
Markus picture Markus · Dec 6, 2015 · Viewed 13k times · Source

I have been following this tutorial to get Google SignOn going: https://developers.google.com/identity/sign-in/android/start-integrating

When I run my application locally with a virtual device it works fine but when I deploy it to my device via debugging or if I generate a signed jar file and copy it manual GoogleSignInResult always returns false with an INTERNAL ERROR message.

I'm struggling since quite a while to be able to use google login when deploying the application via debug to my device. Any help is highly appreciated!

Solution for My Issue:

Where you download the json file you have to copy past the code that you can generate with the java key tool. I totally missed that a few times in a row.

Answer

Isabella Chen picture Isabella Chen · Jan 29, 2016

You are probably missing dev console registration. It's very common developers will have multiple signing cert configuration: debug key store, test environment signing cert, production signing cert. signing cert SHA1 + package name uniquely identifies an Android client and needs to be registered individually in dev console.

See below blogpost to understand more about OAuth clients registration:

http://android-developers.blogspot.com/2016/03/registering-oauth-clients-for-google.html

Or see this post: Test google signin on Android in development phase

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