Design patterns implemented in Java

Google core libraries for Java

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

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

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

A libre lightweight streaming front-end for Android.

Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas

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

Telegram for Android source

Bind Android views and callbacks to fields and methods.

Desktop/Android/HTML5/iOS Java game development framework

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

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

A tool for reverse engineering Android apk files

LSPosed Framework

JDK main-line development https://openjdk.org/projects/jdk

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

IntelliJ IDEA & IntelliJ Platform

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.

A fast dependency injector for Android and Java.

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Modular and customizable Material Design UI components for Android