Adding Firebase Authentication in the App

Introduction

User authentication is the process of identifying who a user is, and it’s an everyday use case for most apps. Applications require a mechanism to identify the user and customize the app experience based on the logged-in user. In this lesson, we’ll learn how to use Firebase Authentication to build a user login experience. Firebase Authentication allows us to integrate authentications based on our social app or email and password.

Let’s get started and see how we can add Firebase Auth to our app.

Note: We need to create a Firebase project and configure the app before we can start using Firebase Auth in the project.

Add Firebase Auth SDK to the app

Let’s add a dependency for the Firebase Auth library in the app/build.gradle file.