RTTC - Real-Time Translation & Chat

RTTC is a mobile application developed with React Native (Expo) designed to bridge communication gaps between different languages. Featuring advanced voice, text, and image (OCR) translation capabilities, the app provides a seamless tool for overcoming language barriers.

🚀 Features

The application is organized into key modules:

• 🗣️ Voice & Text Translation: Instant translation with speech recognition support (expo-speech-recognition) and text-to-speech synthesis (expo-speech).
• 👥 Bilingual Mode: An optimized interface for face-to-face conversations between two people speaking different languages.
• 📷 OCR (Image Translation): Use the camera to extract and translate text from images, documents, or signs.
• 💬 Quick Phrases: Fast access to common phrases for travel or emergency situations.
• 📜 Smart History: All translation and OCR history is saved locally or in the cloud (Supabase) for future reference.
• 👤 Account Management: User authentication and profile management system.

🛠️ Tech Stack

• Framework: React Native with Expo (SDK 54)
• Navigation: Expo Router
• Backend / Database: Supabase
• Local Storage: AsyncStorage
• UI Components: React Native Paper, React Native Vector Icons
• Testing: Jest & React Native Testing Library

📱 Installation & Setup

Prerequisites

• Node.js installed.
• A physical device (Android/iOS) with the Expo Go app or a configured emulator.

Steps

1. Clone the repository

   git clone [https://github.com/VascoMaoglo/rttc.git](https://github.com/your-username/rttc.git)
   cd rttc

2. Install dependencies

   npm install

3. Configure Environment Variables Create a .env file in the root directory with your Supabase keys (example):

   EXPO_PUBLIC_SUPABASE_URL=your_supabase_url
   EXPO_PUBLIC_SUPABASE_ANON_KEY=your_anon_key
   EXPO_PUBLIC_RAPIDAPI_KEY=your_rapidapi_key

4. Run the application

   npm start

   • Press a to open on Android.
   • Press i to open on iOS.
   • Press w to open on Web.

🧪 Testing

The project uses Jest for unit and integration testing.

# Run all tests
npm test

# Run tests with coverage report
npm test -- --coverage