Email Authentication in Expo React Native with Firebase

Video Description

In this video, I show you how to implement Firebase Email Authentication in an Expo React Native app. You’ll learn how to set up sign up, sign in, error handling, forgot password with reset email, and sign out functionality. I also cover how to use the UID to reference users in your database and explain the system design behind authentication, sessions, and tokens. 00:00 - Intro & overview of Firebase email auth 01:00 - Enabling Email/Password in Firebase console 02:00 - Creating UI for sign up & sign in (Expo Router setup) 05:30 - Implementing sign up with Firebase (UID capture) 09:00 - Handling errors & showing current signed-in user 12:00 - Adding sign out functionality 15:00 - Implementing sign in with email/password 20:00 - Adding forgot password & sending reset emails 27:00 - Handling password reset & secure text entry toggle 34:00 - Creating user entry in Firestore with UID 36:00 - System design explanation: sessions, tokens, JWTs 41:00 - Understanding authentication vs authorization 42:30 - Wrap up & preview of phone authentication You can email me at for further queries: [email protected] If you want to have a consulting session about Expo React Native or to develop Web/App/AI for your business,schedule it here so we can have a meet in Google Meet or a Zoom Call: https://cal.com/gautham-vijayan/30min You can find the source codes for all of my videos in topmate: https://topmate.io/gautham If you have any other questions, please leave it in the comments or contact me via Twitter (X) over DM's. Here is my Twitter (X) profile: https://x.com/gautham_vijay_ #ReactNative #Expo #FirebaseAuth #EmailAuth #MobileDevelopment #Authentication #systemdesign