iOS - Google SignIn fails if a Google App is on the device

Question

I've integrated Google SignIn (2.2) based on instructions here: https://developers.google.com/identity/sign-in/ios/start

It works when there is no Google app on the device. So Google SDK opens a web view where I can sign in a google account, and GIDSignInDelegate method didSignInForUser is called with a valid access token with no error.

But if I have Google app or Youtube app installed, the SDK will open the Google app, where I can sign in my google account, and when I choose the account and it redirects back, it throws an error:

"A potentially recoverable error occured. You may try again."

No matter how many times I retry it never worked.

(Deep link url: com.googleusercontent.apps.<my app id>://api/sso/v1/tokenResponse?ec=-216414001&e=A%20potentially%20recoverable%20error%20occured.%20You%20may%20try%20again)

Has anyone seen the same issue? What could go wrong?

Answer 1

So it turns out to be a typo in the app bundle id in Google Developers Console.

As requested in some comments, here are some more details: In order to support google sign in, you need to a client id in https://console.developers.google.com under APIs & Auth/Credential In our case, we were seeing the error because in the client id we created for iOS app, we had a typo in the app bundle id. (Instead of com.companyname.appname we typed com.companyname.companyname)

I guess there can be other ways to cause the same error, but one good place to check is the developer console (https://console.developers.google.com), just make sure every field makes sense to you.