Design patterns implemented in Java

All Algorithms implemented in Java

Render After Effects animations natively on Android and iOS, Web, and React Native

Bind Android views and callbacks to fields and methods.

A private messenger for Android.

Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

Desktop/Android/HTML5/iOS Java game development framework

An extensible media player for Android

Implementation of ImageView for Android that supports zooming, by various touch gestures.

An Android library that allows you to easily create applications with slide-in menus. You may use it in your Android apps provided that you cite this project and include the license in your app. Th…

An Android transformation library providing a variety of image transformations for Glide.

A collection of samples demonstrating different frameworks and techniques for automated testing

Android上一个优雅、万能自定义UI、仿iOS、支持垂直、水平方向切换、支持周视图、自定义周起始、性能高效的日历控件，支持热插拔实现的UI定制！支持标记、自定义颜色、农历、自定义月视图各种显示模式等。Canvas绘制，速度快、占用内存低，你真的想不到日历居然还可以如此优雅！An elegant, highly customized and high-performance Calenda…

Firebase Quickstart Samples for Android

Epoxy is an Android library for building complex screens in a RecyclerView

A library for debugging android databases and shared preferences - Make Debugging Great Again

Material Design Music Player

Image Cropping Library for Android, optimized for Camera / Gallery.

Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

Android Unit Testing Framework

Android Circular Progress Button

Blurry is an easy blur library for Android

An implementation of tap targets from the Material Design guidelines for feature discovery.

👉 Customize the LayoutManager of RecyclerView(自定义LayoutManager)

📃 FoldingCell is a material design expanding content cell inspired by folding paper material made by @Ramotion

☑️ [Cheatsheet] Tips and tricks for Android Development

An page indicator for Android ViewPager

An Android text view with scrolling text change animation

Keep your code spotless

PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.