WeChat Flutter

A high-performance, real-time messaging application built with Flutter, featuring a modern UI/UX inspired by WeChat and powered by a robust Firebase backend.

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📸 App Screenshots

1. Onboarding & Security

Login	Sign Up

2. Chat Interface

All Chats	Active Conversation

3. Exploration & Profile

Discover & Search	User Profile

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🚀 Key Features

• Authentication & User Management:
  • Secure Google Sign-In and Email/Password authentication.
  • Real-time user search with Recent Searches and Suggested People functionality.
  • Real-time presence tracking (Online/Last Seen status).
• Advanced Messaging System:
  • Real-time Chat: Instant messaging powered by Firestore streams.
  • Media Support: Send/receive images and videos with automatic thumbnail generation.
  • Offline Support: Send messages while offline; they auto-sync once a connection is restored.
  • Message Management: WhatsApp-style "Delete for Me" and "Delete for Everyone" functionality.
  • Read Receipts: Real-time status indicators (Pending, Sent, Delivered, Read).
• Push Notifications: * Instant alerts for new messages using **Firebase Cloud Messaging (FCM) **.
• Performance & Sync:
  • Hybrid storage: Uses Hive for ultra-fast local caching and Firestore for cloud sync.
  • Seamless pagination and deduplication logic for smooth scrolling.

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🛠 Tech Stack

Layer	Technology
Frontend	Flutter (Dart)
State Management	GetX (Reactive State & Dependency Injection)
Backend / Database	Firebase (Firestore, Auth, Storage, FCM)
Local Database	Hive (NoSQL local caching)
Environment	Flutter Dotenv (Secure Config Management)
Media Handling	Video Thumbnail, Cached Network Image

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📦 Installation & Setup

1. Clone the Repository:

   git clone [https://github.com/yourusername/wechat_flutter.git](https://github.com/yourusername/wechat_flutter.git)

2. Environment Variables: Create a .env file in the root directory and add your Client IDs:

   GOOGLE_CLIENT_ID=your_id_here
   GOOGLE_SERVER_CLIENT_ID=your_id_here

3. Firebase Configuration:

   • Place google-services.json in android/app/.
   • Place GoogleService-Info.plist in ios/Runner/.

4. Install Dependencies:

   flutter pub get

5. Generate Local Database Adapters:

   flutter pub run build_runner build --delete-conflicting-outputs

6. Run the Project:

   flutter run