This repository contains code for an article I wrote on Medium. It is a simple app that will teach you how to authenticate using Google Sign-in combined with Firebase to store registered users.
NB - Remember to add your google-services.json file in order for this app to work.
Here is the link to the medium article: https://medium.com/@myric.september/authenticate-using-google-sign-in-kotlin-firebase-4490f71d9e44