RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Dex to Java decompiler

An image loading and caching library for Android focused on smooth scrolling

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

A Java serialization/deserialization library to convert Java Objects into JSON and back

This project is deprecated and stale. The latest ExoPlayer code is available in https://github.com/androidx/media

RxJava bindings for Android

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

Tinker is a hot-fix solution library for Android, it supports dex, library and resources update without reinstall apk.

An Android library for managing images and the memory they use.

Powerful and flexible library for loading, caching and displaying images on Android.

Modular and customizable Material Design UI components for Android

A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

💪 A framework for assisting in the renovation of Android componentization (帮助 Android App 进行组件化改造的路由框架)

Luban(鲁班)—Image compression with efficiency very close to WeChat Moments/可能是最接近微信朋友圈的图片压缩算法

Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

Tools to work with android .dex and java .class files

🎆 A well-designed local image and video selector for Android

Cute view animation collection.

Image Cropping Library for Android

Matrix is a plugin style, non-invasive APM system developed by WeChat.

Project vlayout is a powerfull LayoutManager extension for RecyclerView, it provides a group of layouts for RecyclerView. Make it able to handle a complicate situation when grid, list and other lay…

An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries.

OkGo - 3.0 震撼来袭，该库是基于 Http 协议，封装了 OkHttp 的网络请求框架，比 Retrofit 更简单易用，支持 RxJava，RxJava2，支持自定义缓存，支持批量断点下载管理和批量上传管理功能

A collection of source code generators for Java.

Paging indicator widgets compatible with the ViewPager from the Android Support Library and ActionBarSherlock.

Simplify Android M system permissions

A powerful, customizable and extensible ViewPager indicator framework. As the best alternative of ViewPagerIndicator, TabLayout and PagerSlidingTabStrip —— 强大、可定制、易扩展的 ViewPager 指示器框架。是ViewPagerInd…

Ultra Pull to Refresh for Android. Support all the views.

Android filters based on OpenGL (idea from GPUImage for iOS)