Flutter Perplexity Clone

A Flutter-based clone of Perplexity AI, featuring real-time chat with AI-powered search capabilities. This application provides an intuitive interface for asking questions and receiving AI-generated responses with source citations.

Features

• AI-Powered Chat: Real-time conversation with AI assistant
• Smart Search: WebSocket-based search functionality
• Cross-Platform: Works on mobile, web, and desktop platforms
• Modern UI: Clean, responsive design with dark theme
• Source Citations: View sources for AI responses
• Real-time Communication: WebSocket integration for live chat
• Responsive Design: Adaptive layout for different screen sizes

Screenshots

Screenshots will be added here

Getting Started

Prerequisites

• Flutter SDK (^3.8.1)
• Dart SDK
• WebSocket server running on localhost:8000

Installation

1. Clone the repository

   git clone <repository-url>
   cd flutter_perplexity

2. Install dependencies

   flutter pub get

3. Start the WebSocket server

   # Make sure your WebSocket server is running on localhost:8000
   # The app expects a WebSocket endpoint at ws://localhost:8000/ws/chat

4. Run the application

   flutter run

Project Structure

lib/
├── main.dart              # App entry point
├── pages/                 # Screen components
│   ├── home_page.dart     # Main home screen
│   └── chat_page.dart     # Chat interface
├── widgets/               # Reusable UI components
│   ├── search_section.dart
│   ├── answer_section.dart
│   ├── sources_section.dart
│   ├── side_bar.dart
│   ├── side_bar_button.dart
│   └── search_bar_button.dart
├── services/              # Business logic and API calls
│   └── chat_web_service.dart
└── theme/                 # App styling and colors
    └── colors.dart

Dependencies

• flutter: Core Flutter framework
• google_fonts: Custom typography (Inter font)
• web_socket_client: Real-time communication
• flutter_markdown: Markdown rendering for responses
• skeletonizer: Loading animations
• cupertino_icons: iOS-style icons

WebSocket API

The app communicates with a WebSocket server at ws://localhost:8000/ws/chat:

Message Format

• Send: {"query": "user question"}
• Receive:
  • Search results: {"type": "search_result", ...}
  • Content: {"type": "content", ...}

Development

Running Tests

flutter test

Building for Production

# Android
flutter build apk

# iOS
flutter build ios

# Web
flutter build web

# Desktop
flutter build windows
flutter build macos
flutter build linux

Contributing

1. Fork the repository
2. Create a feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

License

This project is licensed under the MIT License - see the LICENSE file for details.

Acknowledgments

• Inspired by Perplexity AI
• Built with Flutter and Dart
• Uses WebSocket for real-time communication

Support

If you encounter any issues or have questions, please open an issue on GitHub.