LoopChat 💬

A real-time chat application built with Flutter and Firebase.
This project was developed as part of my learning journey to strengthen my skills in authentication, real-time updates, and cloud integrations.

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Features ✨

• Authentication:

  • Register, Login, and Forget Password flows.
  • Firebase Authentication for secure user accounts.

• Real-Time Chat:

  • Public chat room with instant messaging.
  • Custom chat bubbles and smooth scrolling to latest message.

• User Presence:

  • Online user counter powered by Firebase Realtime Database.
  • Cloud Functions for accurate user status updates.

• Daily Message Limits:

  • Each user gets a daily quota.
  • Automatically reset at midnight via Firebase Cloud Functions.

• Cloud-Powered Features:

  • Firestore for message storage.
  • Firebase Storage for media support.
  • Firebase App Check for added security.

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Screenshots 📸

Onboarding	Login	Chat

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Installation ⚙️

1. Clone the repository:

   git clone https://github.com/yourusername/LoopChat.git
   cd LoopChat

2. Install dependencies:

   flutter pub get

3. Configure Firebase:
   • Add google-services.json to android/app/.
   • Add GoogleService-Info.plist to ios/Runner/.
   • Run flutterfire configure if you want to regenerate options.
4. Run the app:

   flutter run

Project Structure 📂

lib/
├── constants.dart
├── firebase_options.dart
├── main.dart
├── helper/           # Reusable helpers (e.g., update_checker.dart, show_snack_bar.dart)
├── models/           # Data models (e.g., message.dart)
├── screens/          # Pages (login_page.dart, register_page.dart, chat_page.dart, etc.)
├── start/            # Startup & onboarding flow
├── widgets/          # Reusable widgets (chat_bubble.dart, customButton.dart, etc.)
functions/            # Firebase Cloud Functions

Key Learnings 🧠

• Implemented a full authentication experience using Firebase Auth.
• Worked with real-time communication using Firestore & Realtime Database.
• Secured the app with App Check and server logic in Cloud Functions.
• Designed clean, reusable Flutter widgets for consistent UI.
• Learned how to enforce feature limits (daily message quota) using backend logic.

Acknowledgements 🙏

↗ for the framework

↗ for backend services

ChatGPT & Gemini for helping with new stuff 😂