The await keyword is used to wait for the result of this function call. Declares a variable googleAuth and assigns the result of thentication, which is an asynchronous call to authenticate the user with Google. Checks if the googleUser object is not null, meaning the user has successfully signed in.Declares a variable googleUser and assigns the result of googleSignIn.signIn(), which is an asynchronous call to initiate the Google sign-in process.Defines an anonymous asynchronous function that will be called when the button is pressed.Creates an ElevatedButton widget with an onPressed callback function.You'll need these files later to add the necessary information to your Flutter app. Make sure to download the configuration files and save them in a safe location. Follow the prompts to add Firebase to your Android or iOS app.Click the "Create Project" button, give your project a name, and click "Create Project".If you don't have a Firebase project already set up, follow these instructions to create a new one: Here are the detailed steps to integrate Google Sign-In into your Flutter app: Step 1: Create a new Firebase project or use an existing one Add the required code to your Flutter app's Dart files.Add the necessary dependencies to your Flutter app's pubspec.yaml file.Add a new Android app or iOS app to your Firebase project and follow the instructions to download and add the configuration files to your Flutter app.Create a new Firebase project or use an existing one.Import 'package:auth_example/home/view/home_view.dart' Ĭlass LoginView extends StatelessWidget on auth.Integrating Google Sign-In into a Flutter app involves a few steps: Login_view.dart import 'package:auth_example/signup/view/signup_view.dart' Note: It's a good practice to use StatelessWidget instead of StatefulWidget as its rebuild costs less compared to StatefulWidget. You can create a simple UI with 2 TextFields, one for Email Address, one for Password, and a button to submit. From there you can enable Email/Password.Ĭreate a simple UI for registration and login. When you click on the button, you will be redirected to Sign In Method list. When you click on Authentication, you will get a welcome screen from where you can click on Get Started Once you have added your project and app to Firebase Console, the pre-requisite step is to enable Authentication from the right panel of the console and enable Email/Password from it. Once these files are created, you will find a folder inside packages named auth_service:Įnable Authentication from Firebase Console and select Email/Password. When you run this command in the terminal, you will find that certain files were created: The above command will create a folder named auth_service inside packages. Then, in that location, run the following command: flutter create -template=package auth_service So, to create a package, we must first create a folder called packages inside our project. Packages in Flutter are libraries of code that can be shared among projects and are independent of the project that developers incorporate and reuse to make work easy and less time-consuming.Ĭreating a package for Firebase Auth is a very good option thereby reducing package dependencies on our main project. So, let's get started with the basic Email/Password Authentication! This article was created with an example run on Flutter 2.10 version! To give you a quick sneak-peak of the article, we will be using firebase auth package for Firebase Authentication. This way we can integrate Email, Phone, Google, Apple, and many more authentication in our apps! One of the features provided by Firebase is Authentication. Firebase is one of the go-to Back-End with Flutter apps since it provides many free functionalities as well as great integration with Flutter.
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