A health and wellness companion app built for seniors, featuring secure authentication and personalized health tracking.

• Secure Authentication: Face ID/Touch ID biometric authentication with passcode fallback
• Health Dashboard: Track daily mood, medications, and exercise activities
• Memory Timeline: Capture and organize photos with categories and descriptions
• Intelligent Chat: Conversational companion powered by Google's Gemini AI for emotional support and wellness guidance
• Smart Reminders: Medication schedules and exercise notifications with flexible timing options

This app uses Google's Gemini API to provide personalized, empathetic conversations. The chat feature offers:

• Emotional support and companionship
• Health and wellness guidance
• Memory prompts and conversation starters
• Simple, senior-friendly language

1. Get a Gemini API key from Google AI Studio
2. Create a .env file in the project root
3. Add your API key:

   GEMINI_API_KEY=your_api_key_here
   

The chat system includes fallback responses when the API is unavailable, ensuring the app remains functional.

The app includes comprehensive data protection:

• Biometric authentication (Face ID/Touch ID) when available
• Secure passcode storage using device keychain
• Data encryption until authentication is successful
• Manual logout option from the home screen

In the root project directory:

npm install
npm run dev

In the /server directory:

npm install
npm start

• Frontend: React Native with Expo
• Authentication: Expo LocalAuthentication
• Storage: AsyncStorage for local data persistence
• AI Integration: Google Gemini API
• Backend: Express.js server
• Styling: React Native StyleSheet

• /app - React Native screens and navigation
• /components - Reusable UI components
• /services - API integrations and business logic
• /hooks - Custom React hooks
• /utils - Helper functions
• /server - Backend Express.js server