Mobile Deep Learning with TensorFlow Lite, ML Kit and Flutter

Creating auth.dart

Now, we will create a Dart file, auth.dart. This file will act as a centralized point to access the authentication methods provided by the firebase_auth plugin:

1. First, import the firebase_auth plugin:

import 'package:firebase_auth/firebase_auth.dart';

2. Now, create an abstract class, BaseAuth, which lists all the authentication methods and acts a middle layer between the UI components and the authentication methods:

abstract class BaseAuth { Future<String> signIn(String email, String password); Future<String> signUp(String email, String password); Future<String> getCurrentUser(); Future<void> signOut();}

As the name of the methods suggests, we will be using four primary features of authentication:

• signIn(): To sign in ...