Implementing password authentication on iOS

Email and password authentication is the most common way to authenticate anyone and it can be a major risk point if done wrong. Using Firebase will remove that risk and make you think of nothing but the UX that you will eventually provide to your users. In this recipe, we're going to see how you can do this on iOS.

How to do it...

1. Let's suppose you've created your awesome UI with all text fields and buttons and wired up the email and password IBOutlets and the IBAction login button. Let's see the code behind the awesome, quite simple password authentication process:

      import UIKit
      import Firebase
      import FirebaseAuth
      class EmailLoginViewController...