🌟 Sahayak - A Digital Companion for Senior Citizens

Sahayak is an empathetic, AI-powered Flutter app designed specifically for senior citizens. It combines essential services, emergency support, entertainment, memory tools, communities, and a multi-language AI chatbot — all within a simple, accessible interface.

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🔗 Live Demo & Releases

• 🌐 Live App: sahayak-34321.web.app
• 📦 Latest Release: GitHub Releases

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🛠️ Built With

• 💙 Frontend: Flutter
• ☁️ Backend: Firebase Auth, Firestore, Hosting
• 🧠 AI Integration: Gemini API
• 📦 Hosting: Firebase Hosting
• 🎤 TTS/STT: Speech-to-Text and Text-to-Speech packages for accessibility

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📱 App Overview

🏠 Home Tab

• Pension Tracker: Add pension amount, name, helpline — track monthly receipts.
• Emergency Help: Quick dial buttons (family, police, fire, senior helpline).
• Memory Vault: Add notes to remember; mark sensitive items.
• FunZone: Play games like Tic Tac Toe.
• StoryZone: Generate stories in preferred language using Gemini API (TTS enabled).
• Order Things: Search Amazon, Flipkart, Swiggy, Zomato — redirect to buy directly.

👥 Communities Tab

• Create or join public/private communities.
• Chat with members to share experiences and stay connected.

💬 ChatZone Tab

• Gemini-powered AI Chat with the following modes:
  • Travel, Wellness, Normal, Religious, Knowledge
  • ✨ Custom Mode: Create your own AI behavior!
• Chat responds in user's selected language.
• Full Text-to-Speech (TTS) and Speech-to-Text (STT) support.

👤 Profile Tab

• View/edit user info: name, language, emergency contact, etc.
• App settings: Change language, family contact, and logout.
• About Sahayak section.

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🌍 Accessibility-Centered UX

• 👀 Large fonts and simple layouts
• 🎤 Voice support with TTS/STT
• 🌐 Language customization (at signup and in settings)
• 🧓 Designed from the perspective of elderly users

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🔧 Setup Instructions

1. 📥 Clone the Repo

git clone https://github.com/your-username/sahayak.git
cd sahayak

2. 🔐 Set Up API Keys

Create a file named lib/utils/secrets.dart:

const apiKey = "your_api_key"

3. 🔨 Install Dependencies

flutter pub get

4. ▶️ Run the App

flutter run

Make sure you have an emulator running or device connected.

5. 🌐 Firebase Setup

Ensure Firebase is properly set up:

• Firebase Auth: for login/sign-up
• Firestore: for storing user data, communities, notes, etc.
• Firebase Hosting: (if deploying)

You’ll need to connect your Firebase project using flutterfire configure or Firebase Console.

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🚀 Deployment (Web)

To deploy using Firebase Hosting:

flutter build web
firebase deploy

Ensure firebase.json and .firebaserc are configured correctly.

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💡 Future Enhancements

• Medication & health reminders
• Offline emergency and memory access
• Voice-activated full app navigation
• Family dashboard for caregivers
• New games and exercises for mental fitness

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🤝 Contributing

We love contributions! Here’s how you can help:

1. Fork the repo
2. Create a feature branch
3. Commit your changes
4. Push and open a PR

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🛡 License

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

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🙏 Credits

Developed using:

• Flutter
• Firebase
• Gemini API
• Speech packages for accessibility

“Sahayak” means Helper. This app strives to be just that — a trusted companion for senior citizens in the digital world. Developed by Team NOVA