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Google core libraries for Java

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

Termux - a terminal emulator application for Android OS extendible by variety of packages.

Dex to Java decompiler

A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

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

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

Netty project - an event-driven asynchronous network application framework

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

🔥 Android developers should collect the following utils(updating).

Mirror of Apache Kafka

Telegram for Android source

FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

🔥下拉刷新、上拉加载、二级刷新、淘宝二楼、RefreshLayout、OverScroll，Android智能下拉刷新框架，支持越界回弹、越界拖动，具有极强的扩展性，集成了几十种炫酷的Header和 Footer。

a fast, scalable, multi-language and extensible build system

http下载工具，基于http代理，支持多连接分块下载

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

A tool for reverse engineering Android apk files

LSPosed Framework

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

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

视频播放器（IJKplayer、ExoPlayer、MediaPlayer），HTTPS，16k page size，支持弹幕，外挂字幕，支持滤镜、水印、gif截图，片头广告、中间广告，多个同时播放，支持基本的拖动，声音、亮度调节，支持边播边缓存，支持视频自带rotation的旋转（90,270之类），重力旋转与手动旋转的同步支持，支持列表播放 ，列表全屏动画，视频加载速度，列表小窗口支持拖…

RxJava bindings for Android

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

Ip2region is an offline IP address manager framework and locator with both IPv4 and IPv6 supported, supporting billions of data segments, ten microsecond searching performance, xdb search client fo…

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

A fast dependency injector for Android and Java.

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

Most popular Mocking framework for unit tests written in Java