NOGA - Food Health Analysis App

A modern React Native app built with Expo that helps users analyze food ingredients and nutrition information through OCR scanning or manual input.

Features

• 📸 Camera OCR: Scan food labels and ingredient lists
• 🔍 Health Analysis: AI-powered ingredient safety assessment
• 📊 Nutrition Tracking: Analyze nutrition facts and values
• ⚠️ Preservative Detection: Identify harmful additives
• 💡 Smart Recommendations: Get healthier food alternatives

Tech Stack

• Expo SDK 54 with React Native
• Expo Router for file-based navigation
• NativeWind (Tailwind CSS for React Native)
• TypeScript with strict mode
• AsyncStorage for data persistence
• Axios for API communication

Quick Start

Prerequisites

• Node.js >= 20.19.4
• Android Studio (for Android) or Xcode (for iOS)
• Expo Go app on your phone (for testing)

Installation

# Install dependencies
npm install

# Start development server
npm start

# Run on Android
npm run android

# Run on iOS (macOS only)
npm run ios

Environment Setup

Create a .env file in the root directory:

EXPO_PUBLIC_API_URL=your_api_url_here
EXPO_PUBLIC_AI_URL=your_ai_api_url_here

Project Structure

noga-app/
├── app/                    # Expo Router screens
│   ├── _layout.tsx         # Root layout
│   ├── index.tsx           # Home screen
│   └── ...                 # Other screens
├── components/             # Reusable components
├── lib/                    # Utilities and helpers
├── services/               # API services
├── types/                  # TypeScript types
└── assets/                 # Images and icons

Development

# Clear cache and start
npx expo start --clear

# Type checking
npx tsc --noEmit

# Rebuild native code
npx expo prebuild --clean

Navigation

Uses Expo Router with file-based routing:

• / - Home
• /food-type - Select food type
• /type-ingredient - Manual input
• /one-take-picture - Camera for prepared food
• /two-take-picture - Camera for packaged food
• /nutrition-general - Results overview
• /nutrition-detail - Detailed analysis

Key Libraries

• expo-router - File-based navigation
• expo-camera - Camera and OCR
• nativewind - Tailwind CSS for React Native
• react-native-animatable - Animations
• axios - HTTP client
• @react-native-async-storage/async-storage - Local storage

License

Private - All rights reserved

Support

For issues and questions, please open an issue on the repository.