🏆 HemoLink – Nearest Blood Bank & Blood Donor Finder App (Flutter + Firebase | GPL Source Code Description)

SEO Keywords: blood donor app, blood bank locator, Flutter Firebase app, emergency blood donation app, nearby donors mobile app, healthcare app source code, GPL Flutter medical app.

🚀 Overview

HemoLink is a real-time blood donation and blood bank locator app developed in Flutter and integrated with Google Firebase for authentication and cloud data storage.
It helps users quickly locate the nearest donors and blood banks based on their current GPS location, making it a life-saving solution for hospitals, donors, and patients in emergency situations.

Designed for NGOs, healthcare organizations, and developers, HemoLink offers a scalable and customizable system that connects donors and recipients efficiently through a responsive mobile interface and Firebase-powered backend.

✨ Key Features

• 🩸 Find Nearby Donors: locate active blood donors within a specific radius using GPS and Google Maps API.
• 🏥 Nearest Blood Banks: list and map view of registered blood banks with contact details and directions.
• 👤 User Authentication: secure login and registration using Firebase Authentication (Email/Google).
• 📍 Live Location Tracking: automatic detection of user’s current location for faster donor matching.
• 🔍 Search by Blood Type: filter donors by blood group (A+, B-, O-, etc.) and location.
• ❤️ Become a Donor: users can register as donors and manage their donation availability status.
• 📱 Push Notifications: instant alerts for urgent blood requests via Firebase Cloud Messaging.
• 🧾 Donation History: track previous requests and successful donations.
• 🌙 Dark & Light Theme: toggle-friendly interface for better accessibility.
• ⚡ Firebase Realtime Database: all donor and bank information synced across devices.

⚙️ Technical Stack

• Framework: Flutter 3.x (Dart)
• Backend: Firebase Firestore + Firebase Authentication + FCM
• APIs: Google Maps API & Geolocation Services
• Database: Cloud Firestore (Realtime Sync)
• Push Notifications: Firebase Cloud Messaging
• IDE: Android Studio / VS Code
• Minimum SDK: Android 6.0 (API Level 23)

Expertise Note: built with clean state management and optimized Firebase queries for real-time donor discovery and performance efficiency.

🧩 Installation Guide

1. 📦 Download and extract the Flutter project files.
2. 🧰 Open the project in Android Studio or VS Code.
3. 🔑 Create a new Firebase project and connect it to your Flutter app (Android/iOS).
4. 🗺️ Enable Maps API in Google Cloud Console and add your API key to AndroidManifest.xml.
5. ⚙️ Configure Firebase Authentication, Firestore, and FCM in the Firebase Console.
6. 🎨 Customize app name, logo, and colors in pubspec.yaml.
7. ▶️ Run the app with flutter run to test donor and map features.
8. 📤 Build the signed APK or AAB for production.

📦 Deliverables

• ✅ Full Flutter source code (Android & iOS)
• ✅ Firebase configuration files (google-services.json / GoogleService-Info.plist)
• ✅ Maps & location integration setup
• ✅ UI components for donor lists and maps
• ✅ Admin-ready Firebase structure
• ✅ Installation and setup documentation
• ✅ GPL HTML product description

📱 Supported Platforms

• Mobile OS: Android 6.0+ and iOS 12+
• Devices: smartphones and tablets
• Backend: Firebase (Cloud Firestore, FCM, Auth)
• APIs: Google Maps SDK for Flutter

🧠 Notes

• License: GPL – open-source redistribution for education, testing, and non-commercial use.
• Customization Tips: add donation badges, emergency call buttons, or nearby hospital integration.
• SEO Assurance: optimized for “blood donor app,” “find nearest blood bank,” and “Flutter Firebase medical app.”
• Privacy Assurance: user data stored securely via Firebase Authentication and Firestore rules.

👨‍💻 Original Developer Credit

Original concept and app design by the CodeCanyon marketplace author.
This version is distributed under the GNU General Public License (GPL) for learning and open development.
Reference: Original Marketplace Listing.

🔒 Disclaimer

This Flutter + Firebase app is provided under the GPL license.
It is not affiliated with Google, Firebase, or any medical institution.
All trademarks, assets, and demo data belong to their respective owners.

• Replace demo data and map credentials before publishing.
• Ensure compliance with privacy and health data regulations in your region.
• Commercial use requires permission or purchase from the original author.

🧪 Example Input Usage

“Write an HTML description for ‘HemoLink – Nearest Blood Bank, Blood Donor with Firebase’ – a Flutter + Firebase health app, following the above GPL-compliant structure for redistribution on wpshop.net.”