RippleAnimation

主题切换动画效果

https://github.com/wuyr/RippleAnimation
OkHttp

OkHttp is an HTTP client that’s efficient by default

https://github.com/square/okhttp
FileDownloader

This is a FileDownloader

https://github.com/lingochamp/FileDownloader
Termux

Termux is an Android terminal application and Linux environment

https://github.com/termux/termux-app