How to Open Source Android Projects

Android is an open source operating system for mobile devices and a corresponding open source project led by Google. This site and the Android Open Source Project (AOSP) repository offer the information and source code needed to create custom variants of the Android OS, port devices and accessories to the Android platform, and ensure devices meet the compatibility requirements that keep the Android ecosystem a healthy and stable environment for millions of users.

As an open source project, Android’s goal is to avoid any central point of failure in which one industry player can restrict or control the innovations of any other player. To that end, Android is a full, production-quality operating system for consumer products, complete with customizable source code that can be ported to nearly any device and public documentation that is available to everyone (in English at source.android.com and in Simplified Chinese at source.android.google.cn).

Open sourcing my Android project was one of the best decisions I’ve ever made, and it helped me maintain the project much better than I would have otherwise. Hopefully this guide helps you open source an Android project as well.

Just as you can contribute code to AOSP, you can also contribute to AOSP documentation—and we want your input! Android’s flexibility and ever-changing codebase means this site needs your feedback to keep content fresh, accurate, and relevant to Android implementors. 

1. Telegram

Telegram is a widely used encrypted instant messaging service available for Android and iOS. If you are interested in understanding how an Instant Messaging App is built, you should this out.

2. CoCoin

CoCoin is an all-inclusive personal finance and accounting solution that includes a clean and beautiful UI. A perfect case study if you are building a simple fintech and would like to understand how to manage charts

3. Easy Sound Recorder

Easy Sound Recorder is an open-source sound recorder app designed with material design. With this project, You can learn Android voice recording integration and manipulation

4. Moonlight Android

Moonlight for Android is an open-source implementation of NVIDIA’s GameStream, as used by the NVIDIA Shield. If you are a Game Developer looking to develop a Mobile Game Streaming tool, this codebase would help.

5. Flutter Tetris

Flutter Tetris is a simple Open Source Tetris game. If you are a Game Developer looking to develop a simple game with flutter, this codebase would be really helpful.

6.AntennaPod

AntennaPod is an open-source podcast manager and player that gives you instant access to millions of free and paid podcasts. This project will help you understand different integration techniques, managing playback settings, etc.

7. Open Camera

Open Camera is a fully-featured and open-source camera app for Android devices. If you want to learn how to add the auto-stabilization option on a camera app, how to take a photo remotely by making a noise and multi-touch gesture this project will help.

8. DroidFish

DroidFish is primarily designed for engine analysis of chess positions and viewing and editing of chess games. If you are looking to implement a chess engine, this project would do you good.

9. Lunary Ethereum Wallet

Lunary is a beautifully designed, easy to use, secure, and Open Source Ethereum Wallet for Android. If you are considering a project in blockchain and cryptocurrency, this could serve as a guide.

10. Remindly

Remindly is a simple and user-friendly Android application to create reminders. If you want to know more about working with time and advanced to-do apps, check this repo.

11. Spacex Go

SpaceX Go is a powerful, open-source SpaceX launch tracker with a very simple UI, If you are looking for how to implement a mobile tracker, this is one codebase that would be of great assistance.

12. Telegram

A simple Flutter Open Source app to Read and Download books. This project would help you understand how to connect with public APIs, access and display data

13. Covid19 Tracker

Tracking the impact of COVID-19 cases based on your location, built in Flutter. If you are looking to build a medtech app for disease tracking and control, this codebase would provide a lot of support

14. Flutter WhatsAppClone

If you are looking to build your own instant messaging app or a lookalike of WhatsApp with all the features and more with Flutter. Check this codebase

15. OmniNotes

Fully-featured lightweight open-source Android note-taking application. This codebase will help to develop your own note-talking application with cool features, including a To-do list feature on your note app, etc.

16. FlutterWeather

A simple weather App created using Flutter and Dart and using API from OpenWeatherMap, With this codebase You will understand how to use the weather APIs, geolocation and more

17. Amaze File Manager

Amaze File Manager is a lite file manager app for Android with material design. manage files on SD cards, cloud services support, AES Encryption and Decryption of files for security, and more are what you would learn from this codebase.
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18. Pedometer

A simple, open-source lightweight pedometer app that uses the hardware sensor to calculate the steps. With this project you can learn about Step Tracking, although the UI isn’t great, You can build something cooler or contribute to this.

19. Travel Mate

An open-source travel guide. If you are looking to build a travel-based app and need to heavily rely on location and maps, this codebase would provide a lot of support even to an advanced android developer.

20. Clip Stack

A simple, clean and beautiful clipboard manager app for Android. This project would really be helpful in building a copy and paste tool.

Conclusion

Open source is not just for code geeks! Open-source is happening in Android every day, with new projects adding to the world of Android every hour. Some are brand new apps, and some are extensions to things we all use. The best part is that each project has a page where you can see everything there is to know about it, and showcase your own abilities. All it takes is a little bit of time and effort to help make the entire Android community better!

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