Adding Firebase authentication

As discussed earlier, in the Simple login application section, we will be using the user's email and password for authentication integrated through Firebase.

To create and configure a Firebase project on Firebase Console, refer to the Appendix.

The following steps discuss in detail about how to set up the project on Firebase Console:

1. We begin by selecting the project on Firebase Console:

2. Next, we will click on the Authentication option from the Develop menu:

This will take us to the authentication screen.

3. Migrate to the sign-in tab and enable the Email/Password option under Sign-in providers:

This is all that is required to set up Firebase Console.

Next, we will integrate Firebase in the code. This is done as follows:

1. Migrate to the project in your Flutter SDK and add firebase-auth to the app level build.gradle file:

implementation...