Flutter Firebase Authentication System - Bloc | Clean Architecture | Full Login System
Flutter Firebase Authentication System - Bloc | Clean Architecture | Login | Register | Logout | Reset Password | Step by Step Tutorial
In this step-by-step Flutter tutorial, we build a complete Firebase Authentication System using BLoC State Management and Clean Architecture 🚀
You will learn how to implement a fully functional authentication flow in Flutter including:
✔ Login with Email & Password
✔ Register New Users
✔ Logout Functionality
✔ Reset Password via Email
✔ Proper BLoC state management
✔ Clean Architecture folder structure
✔ Firebase Authentication integration
✔Cloud Firestore to show current logged In user profile
This tutorial is designed for beginners to intermediate Flutter developers who want to build production-ready apps with scalable architecture.
We follow best practices using:
Flutter 💙
Firebase Authentication 🔥
BLoC Pattern (flutter_bloc) ⚡
Clean Architecture 🏗️
By the end of this video, you’ll understand how to structure a real-world authentication system that can be used in e-commerce apps, todo apps, and full-scale production apps.
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⏳ TIMESTAMPS :
00:00 - Intro & Folder Structure Setup (Clean Architecture)
01:32 - Creating the Profile Screen UI (Stateless Widget)
02:17 - Setting up main.dart & Material App
02:56 - Firebase Project Creation & Console Setup
04:00 - Adding Flutter App to Firebase (CLI Configuration)
05:27 - Adding Firebase Core & Initialization in Flutter
06:46 - Enabling Firebase Authentication (Email/Password)
07:28 - Enabling Cloud Firestore Database
08:44 - Adding Firebase Auth & Firestore Packages
09:44 - Creating the User Model (Clean Architecture - Domain Layer)
10:24 - Adding Equatable & Data Class Shortcuts (VS Code)
14:47 - Implementing Auth Service (Firebase Auth & Firestore CRUD)
16:36 - Register User Functionality (Auth + Firestore Save)
19:31 - Login Functionality Implementation
21:46 - Reset Password Functionality
22:45 - Logout Functionality
23:13 - Fetching User Data from Firestore
25:01 - Auth State Changes Stream (Logged in vs Logged out)
25:48 - Defining Auth Repository Interface (Domain Layer)
28:13 - Implementing Auth Repository (Data Layer)
30:21 - Adding Flutter BLoC Package
31:50 - Creating Auth BLoC: States and Enums
35:00 - Creating Auth BLoC: Events (Register, Login, Logout, Reset)
38:31 - Implementing Auth BLoC Logic (Event Handlers)
52:05 - Integrating BLoC Provider in main.dart
52:56 - Implementing Auth Gate (Auth-Based Navigation)
54:44 - Building the Login Screen UI
58:55 - Creating Reusable Text Field Widget
1:05:04 - Building the Login Button & "Forgot Password" UI
1:07:02 - Creating Reusable Button Widget
1:11:10 - Building the Register Screen UI
1:15:06 - Handling Registration with BLoC & Snackbars
1:20:42 - Implementing Profile Screen UI & Data Fetching
1:21:46 - Handling Login with BLoC
1:27:31 - Displaying Real-time User Data in Profile
1:35:41 - Building the Reset Password Screen UI
1:40:02 - Handling Password Reset with BLoC
1:50:12 - Conclusion & Outro
#Flutter #FlutterFirebase #FlutterBloc #BlocPattern #CleanArchitecture
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