DrugGuard Ghana Frontend

A modern React Native mobile application for DrugGuard Ghana, providing drug verification, search, and management capabilities for both citizens and FDA administrators.

🏥 Overview

DrugGuard Ghana Frontend is a comprehensive mobile application that enables:

• Drug Verification: QR code scanning and authenticity verification
• Drug Search: Advanced search with voice recognition
• Drug Reporting: Citizen report submission for suspicious drugs
• Admin Dashboard: Complete drug management for FDA administrators
• Analytics: Real-time insights and reporting
• Voice Features: Multi-language voice recognition and text-to-speech

🚀 Features

Core Features

• ✅ Drug Verification - QR code scanning and authenticity checks
• ✅ Drug Search - Advanced search with voice recognition
• ✅ Drug Reporting - Citizen report submission and tracking
• ✅ Admin Dashboard - Complete drug management interface
• ✅ Analytics Dashboard - Real-time insights and reporting
• ✅ Voice Processing - Multi-language voice recognition and TTS
• ✅ Multi-language Support - English, Twi, Ga, Ewe
• ✅ Offline Capabilities - Basic functionality without internet

User Experience Features

• 🎨 Modern UI/UX - Beautiful, intuitive interface
• 📱 Responsive Design - Optimized for all screen sizes
• 🌙 Dark/Light Mode - User preference support
• 🔔 Push Notifications - Real-time alerts and reminders
• 📊 Real-time Updates - Live data synchronization
• 🎯 Accessibility - Screen reader and voice navigation support

Technical Features

• 🔐 Secure Authentication - JWT-based admin login
• 📡 API Integration - RESTful API communication
• 🗂️ Local Storage - Offline data persistence
• 🔄 State Management - Efficient data flow
• 📱 Cross-platform - iOS and Android support
• 🚀 Performance Optimized - Fast loading and smooth interactions

🛠️ Technology Stack

• Framework: React Native 0.79.3
• Language: TypeScript 5.8.3
• Navigation: Expo Router 5.1.0
• UI Library: NativeBase 3.4.28
• State Management: React Hooks + Context
• HTTP Client: Axios 1.7.2
• Storage: AsyncStorage 1.23.1
• Icons: Expo Vector Icons 14.1.0
• Build Tool: Expo CLI
• Development: Expo SDK 53

Key Dependencies

• expo-speech - Text-to-speech functionality
• expo-av - Audio/video capabilities
• expo-barcode-scanner - QR code scanning
• expo-camera - Camera functionality
• expo-linear-gradient - Gradient effects
• expo-linking - Deep linking support

📋 Prerequisites

• Node.js 18+
• npm or yarn
• Expo CLI (npm install -g @expo/cli)
• iOS Simulator (for iOS development)
• Android Studio (for Android development)
• Git

🚀 Quick Start

1. Clone the Repository

git clone <repository-url>
cd drugguard-frontend

2. Install Dependencies

npm install
# or
yarn install

3. Configure Environment

Create a .env file in the root directory:

# API Configuration
API_BASE_URL=http://localhost:8080/api

# App Configuration
APP_NAME=DrugGuard Ghana
APP_VERSION=1.0.0

# Feature Flags
ENABLE_VOICE_FEATURES=true
ENABLE_ANALYTICS=true
ENABLE_PUSH_NOTIFICATIONS=true

4. Start Development Server

# Start Expo development server
npm start
# or
expo start

# Run on iOS
npm run ios
# or
expo start --ios

# Run on Android
npm run android
# or
expo start --android

# Run on Web
npm run web
# or
expo start --web

5. Build for Production

# Build for iOS
expo build:ios

# Build for Android
expo build:android

# Build for Web
expo build:web

📱 App Structure

Navigation Structure

app/
├── _layout.tsx                 # Root layout
├── index.tsx                   # Home screen
├── onboarding/
│   ├── _layout.tsx
│   └── index.tsx              # Onboarding flow
├── user-selection.tsx          # User type selection
├── auth/
│   ├── _layout.tsx
│   └── admin-login.tsx        # Admin authentication
├── (tabs)/
│   ├── _layout.tsx            # Tab navigation
│   ├── index.tsx              # Home/Dashboard
│   ├── search.tsx             # Drug search
│   ├── scan.tsx               # QR code scanning
│   └── profile.tsx            # Drug reporting
└── admin/
    ├── _layout.tsx            # Admin layout
    ├── dashboard.tsx          # Admin dashboard
    ├── analytics.tsx          # Analytics
    ├── drugs/
    │   ├── _layout.tsx
    │   ├── index.tsx          # Drug list
    │   ├── create.tsx         # Create drug
    │   └── [id].tsx           # Drug details
    └── settings.tsx           # Admin settings

Component Structure

components/
├── VoiceInput.tsx             # Voice recognition component
├── FloatingAiAssistant.tsx    # AI health assistant
├── SafeAreaWrapper.tsx        # Safe area handling
├── ErrorBoundary.tsx          # Error handling
└── BackHandlerPolyfill.ts     # Back button handling

services/
├── api.ts                     # API service layer
└── voiceService.ts            # Voice processing service

constants/
└── Colors.ts                  # Color definitions

context/
└── (context providers)        # React context providers

🎨 UI/UX Design

Design System

• Colors: Consistent color palette with accessibility support
• Typography: Clear, readable fonts with proper hierarchy
• Spacing: Consistent spacing system (4px base unit)
• Components: Reusable, accessible components
• Animations: Smooth, purposeful animations

Key Design Principles

• Accessibility First: Screen reader support, voice navigation
• Mobile-First: Optimized for mobile interactions
• Consistency: Uniform design patterns throughout
• Performance: Fast loading and smooth interactions
• Inclusivity: Multi-language support and cultural considerations

🔧 Configuration

App Configuration

// app.json
{
  "expo": {
    "name": "DrugGuard Ghana",
    "slug": "drugguard-ghana",
    "version": "1.0.0",
    "orientation": "portrait",
    "icon": "./assets/icon.png",
    "splash": {
      "image": "./assets/splash-icon.png",
      "resizeMode": "contain",
      "backgroundColor": "#4299E1"
    },
    "platforms": ["ios", "android", "web"],
    "plugins": [
      "expo-router",
      "expo-barcode-scanner",
      "expo-camera"
    ]
  }
}

API Configuration

// services/api.ts
const API_BASE_URL = process.env.API_BASE_URL || 'http://localhost:8080/api';

const api = axios.create({
  baseURL: API_BASE_URL,
  timeout: 10000,
  headers: {
    'Content-Type': 'application/json',
  },
});

📚 Usage Guide

For Citizens

Drug Search

1. Open the app and select "Citizen"
2. Navigate to the Search tab
3. Use text search or voice search
4. View drug details and authenticity status

Drug Verification

1. Go to the Scan tab
2. Scan QR code on medication
3. View verification results
4. Report suspicious drugs if needed

Report Suspicious Drugs

1. Navigate to the Report tab
2. Fill out the report form
3. Submit with details and photos
4. Track report status

For FDA Administrators

Login

1. Select "FDA Administrator"
2. Enter credentials
3. Access admin dashboard

Drug Management

1. View all drugs in the database
2. Add new drugs with QR codes
3. Update drug information
4. Monitor drug status

Analytics

1. View real-time analytics
2. Monitor drug verification rates
3. Track citizen reports
4. Generate reports

🧪 Testing

Run Tests

# Run all tests
npm test

# Run specific test
npm test -- --testNamePattern="VoiceInput"

# Run with coverage
npm test -- --coverage

Testing Strategy

• Unit Tests: Component and service testing
• Integration Tests: API integration testing
• E2E Tests: Full user flow testing
• Accessibility Tests: Screen reader and voice navigation

🚀 Deployment

Expo Build

# Build for iOS
expo build:ios --type archive

# Build for Android
expo build:android --type apk

# Build for Android App Bundle
expo build:android --type app-bundle

App Store Deployment

1. iOS App Store:

   • Build with Expo
   • Upload to App Store Connect
   • Submit for review

2. Google Play Store:

   • Build APK/AAB
   • Upload to Google Play Console
   • Submit for review

Web Deployment

# Build for web
expo build:web

# Deploy to hosting service
npm run deploy

🔒 Security

Authentication

• JWT token management
• Secure token storage
• Automatic token refresh
• Session management

Data Protection

• Encrypted local storage
• Secure API communication
• Input validation
• XSS protection

Privacy

• Minimal data collection
• User consent management
• Data anonymization
• GDPR compliance

📊 Performance

Optimization Techniques

• Code Splitting: Lazy loading of components
• Image Optimization: Compressed images and lazy loading
• Caching: API response caching
• Bundle Optimization: Tree shaking and minification

Monitoring

• Performance Metrics: Load times, frame rates
• Error Tracking: Crash reporting and analytics
• User Analytics: Usage patterns and engagement
• API Monitoring: Response times and errors

🌍 Internationalization

Supported Languages

• English (Primary)
• Twi (Akan)
• Ga
• Ewe

Localization Features

• Voice Recognition: Multi-language voice input
• Text-to-Speech: Localized voice output
• UI Translation: Complete interface translation
• Cultural Adaptation: Local customs and preferences

🤝 Contributing

Development Setup

1. Fork the repository
2. Create a feature branch
3. Install dependencies
4. Make changes
5. Run tests
6. Submit pull request

Code Style

• TypeScript: Strict type checking
• ESLint: Code quality enforcement
• Prettier: Code formatting
• Conventional Commits: Standard commit messages

Testing Requirements

• Unit tests for new components
• Integration tests for API calls
• Accessibility testing
• Performance testing

📝 License

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

🆘 Support

Documentation

• 📖 User Guide
• 🔧 Developer Guide
• 🎨 Design System
• 🧪 Testing Guide

Contact

• 📧 Email: [email protected]
• 📱 Phone: +233 XX XXX XXXX
• 🌐 Website: https://drugguard-ghana.com
• 💬 Discord: DrugGuard Community

🙏 Acknowledgments

• FDA Ghana for regulatory guidance
• React Native and Expo communities
• All contributors and stakeholders
• Ghanaian healthcare professionals

📈 Roadmap

Version 1.1

• Drug interaction checker
• Medication reminder system
• Offline mode improvements
• Enhanced analytics

Version 1.2

• Telemedicine integration
• Pharmacy locator
• Price comparison
• Community features

Version 2.0

• AI-powered drug recognition
• Blockchain integration
• Advanced analytics
• Multi-country support

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DrugGuard Ghana Frontend - Empowering drug safety and verification in Ghana 🇬🇭