Google Sign In error 12500

Question

I am trying to integrate Google Sign In into my app. I don\'t have a back-end server, I am just getting the details of the logged on Google Account to my app.

I firs

Answer 1

I was stuck of this for a while.

Make sure these step are performed-

• Correct SHA key is saved on Firebase Console.
• Download the latest google-service.json
• And Last and most important Save OAuth consent under credentials in google api, OAuth Screen This took a long to figure out. And it worked fine after this.