GoogleAuthException when obtaining an access token with ClientID
问题 For more context, this post follows this one. To solve my previous problem, I tried to follow the solution presented here by Tim Bray: Verifying Back-End Calls from Android Apps I declared two projects in Google APIs Console to get two Client IDs The first as "Web Application" with "localhost" as hostname (does it matter?) Client ID: XXXXXXXXXX.apps.googleusercontent.com The second as Android app with the package name specified in AndroidManifest.xml and SHA1 fingerprint (tried with debug