Harpy

Abstract

1. Introduction

harpy is no longer in active development after Twitter's decision to disallow third party Twitter clients.

harpy was available in the Play Store as a free and paid app and was used by over 75.000 active users.

This project has been in development since late 2018 and aims to be a good example for a medium-large sized Flutter app with a focus on code quality and maintainability.

2. Objective

a Twitter app built with Flutter 🦅

This project demonstrates how Dart, Flutter can be applied to a real-world Mobile App Development problem.

4. Technology Stack

5. System Requirements

General requirements for this technology stack — check the README for exact versions.

• Flutter SDK
• Android Studio or VS Code with Flutter plugin
• Android / iOS device or emulator
• Git (to clone the repository)

6. Installation & Setup

git clone https://github.com/robertodoering/harpy.git
cd harpy

Full setup instructions are in the project README.

7. Future Enhancements

Suggested extensions you can add to make this your own project.

• Add push notifications with Firebase Cloud Messaging
• Add offline support with local caching
• Publish an internal test build on the Play Store

8. Viva / Review Questions

Common questions examiners ask for projects in this domain.

1. Which framework is used and why (native vs cross-platform)?
2. How is app state managed across screens?
3. Where is the data stored — locally, Firebase or a REST backend?
4. How are permissions (camera, location, storage) handled?
5. How would you publish this app to the Play Store / App Store?

9. Source Code & License

This project is developed by robertodoering and published on GitHub under the GNU General Public License v3.0. Please follow the license terms and credit the original author when you use or modify this code.