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🐦 Flappy Bird in C: APK Size < 100 Kilobytes! 🚀

📜 History:

It all started in 2021 when I stumbled upon rawdrawandroid. My goal was simple: to create a game with the minimal APK size, yet still be understandable and interesting. 🎯

The idea of making a Flappy Bird clone seemed logical, given that this game had already been ported to many languages. 🐤

In 2021, I also studied Raylib, but my first attempt to make a game in C++ using ImGui failed. 💔

The problems were everywhere: the APK size was around 1 MB, the game crashed, and the APK only contained the armeabi-v7a library (Google's 2022 requirements state that the arm64-v8a library must be included!). 🤯

💡 Motivation:

In September 2024, seeing Flappy Bird in C# in the Raylib Discord channel, I decided to try implementing this game in C for Android with an APK size of less than 100 KB. 🚀

The idea seemed crazy, but the competitive interest took over. 💪

🛠️ Implementation:

I started by compiling a "Hello World" in C and packaging the library into an APK. 📦

Sounds were compressed to MP3 format, and OpenSLES was used for playback. 🎵

For PNG file decoding, I chose upng. 🖼️

All of this was combined using OpenGL ES 2, shaders, and Android Native Activity. 🎮

🔧 Build:

1. Download Visual Studio 2022.
2. Install components: C++ Desktop Development and C++ Mobile Development.
3. Download Android Studio (for apktool, sdk, ndk).
4. Install NDK 27.1.12297006.
5. Configure the project for "Debug ARM" and make changes to build.bat.
6. Compile via CTRL + B. 🛠️

📄 Copyright:

I do not claim any copyright. The rights to the game and resources belong to DotGEARS. 📜

🌟 Inspiration:

• rawdrawandroid
• Flapper
• Raylib
• ImGui

🌠 Star History

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🎉 Enjoy the game and don't forget to star it! 🌟