This is a react native expo firebase authentication video for both ios and android. I run into a few bugs and make a few mistakes, but thanks for watching. Please like the video and leave a comment if you found this video helpful!

00:00 Intro + Demo

00:20 Initial App Setup

02:06 Firebase Setup

3:58 Getting SHA-1 Key from Google Play console

6:02 Setting up Google sign in + react native firebase

13:08 Sign In function

19:57 On Auth State Change

24:10 Sign Out

26:18 IOS complete - Android setup

Packages install in the video:

@react-native-google-signin/google-signin

@react-native-firebase/app

@react-native-firebase/auth

expo-build-properties

https://github.com/andepants/google-t...