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

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.

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

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

Bind Android views and callbacks to fields and methods.

🔥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。

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

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

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…

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

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

Vert.x is a tool-kit for building reactive applications on the JVM

💪 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)

✔️ Simple, pretty and powerful logger for android

Android Transition animations explanation with examples.

Cute view animation collection.

Your Cheat Sheet For Android Interview - Android Interview Questions and Answers

Realm is a mobile database: a replacement for SQLite & ORMs

A declarative API to handle Android runtime permissions.

Fast Android Development. Easy maintainance.

Views and Drawable for displaying animated GIFs on Android

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

This is a library with components of Android L to you use in android 2.2

👑 LeetCode of algorithms with java solution(updating).

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

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

Custom fonts in Android the easy way...

Android library (AAR). Highly configurable, easily extendable deep zoom view for displaying huge images without loss of detail. Perfect for photo galleries, maps, building plans etc.