Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

A shadowsocks client for Android

A memory leak detection library for Android.

The Google I/O Android App

A powerful image downloading and caching library for Android

Flexbox for Android

An Android app which provides design news & inspiration as well as being an example of implementing material design.

Pleasant Android application development

An Android Animation library which easily add itemanimator to RecyclerView items.

Make a cool intro for your Android app.

A logger with a small, extensible API which provides utility on top of Android's normal Log class.

A modern JSON library for Kotlin and Java.

RxJava binding APIs for Android's UI widgets.

A declarative framework for building efficient UIs on Android.

A fun to play quiz that showcases material design on Android

gRPC and protocol buffers for Android, Kotlin, Swift and Java.

GPP is Android's unofficial release automation Gradle Plugin. It can do anything from building, uploading, and then promoting your App Bundle or APK to publishing app listings and other metadata.

You can easily add awesome animated context menu to your app.

同文安卓輸入法平臺3.x/Android-rime/Rime Input Method Engine for Android

Adds touch functionality to Android ImageView.