Therefore, login to the firebase console then choose the Authentication menu and click on the sign-in method. Using Facebook Authentication With Firebase In Flutterįirst to be able to use the email/password firebase authentication method in the application, you need to enable it in the firebase console.Using Twitter Authentication With Firebase In Flutter.Using Google Sign-in With Firebase In Flutter.This is the third article related to Firebase in Flutter, you can check the other articles in the below links: Get Started With Firebase Auth In Flutter Get Started With Firebase Auth In Flutter.Import 'package:temple/globals/settings/router/utils/router_utils.In this article, we will create a form to be able to create a new user which will be authenticated using the firebase authentication and also will be connected to the firebase realtime database. Import 'package:go_router/go_router.dart' Import 'package:firebase_auth/firebase_auth.dart' Import 'package:cloud_firestore/cloud_firestore.dart' Now that, we've made our registration function, let's make the sign-in function as well. Later, we'll implement a snack bar to display messages on the application screen. Right now, we're just printing the message. (5 & 6) In case of errors send the user an appropriate message. Now, the currentUser is not null anymore, the router will redirect the user to the homepage. Firebase automatically logs in new users so we don't have to do that ourselves. If the operation is successful, then go to the home page. When we will deal with that in upcoming parts. After registration of the user, we'll also write a new document in the 'users' collection on Firestore.We use the createUserWithEmailAndPassword method made available by FlutterFire.We'll need the build context for routing. Our function will take in the email address, password, username, and BuildContext.Print("Something went wrong please try again.") Įnter fullscreen mode Exit fullscreen mode Print("The account with this email already exists.") if everything goes well user will be registered and logged in After that access "users" Firestore in firestore and save username, email and userLocation createUserWithEmailAndPassword(email: email, password: password) Īwait er!.updateDisplayName(username) UserCredential userCred = await authInstance Get back usercredential future from createUserWithEmailAndPassword method Void register(String email, String password, String username, Our Function will take email,password, username and buildcontext We'll have to make changes inside the redirect method of Go Router. So, we have to tell the router to redirect on authentication status changes. If not go to the authentication screen else go to the homepage. Our user-screen flow is such that after onboarding we check if the user is authenticated or not. Before that, you can find the progress so far in this folder of the repo. Apart from them, we have also already made a Splash Screen, some global widgets like the app bar and bottom nav bar, and also implemented a global theme for the app we're making.īy the end of the blog, we'll be able to authenticate users in our app. In the last two blogs, we created a Login/Register UI and Set-Upconnection of our Flutter project to the Firebase project. I am Nibesh Khadka from Khadka's Coding Lounge. Hello! and welcome to the 7 th blog in the series Flutter App Development Tutorial. Make use of Firebase Functions and Firestore Collections to store user information. Authenticate Users in a Flutter Application with Firebase.
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