即时聊天，自带服务器，有朋友圈功能等等

安卓选择器类库，包括日期时间选择器、单项选择器、二三级联动选择器、地址选择器、颜色选择器、文件目录选择器、数字选择器等，可自定义顶部及底部界面，可自定义窗口动画。Picker for android, include date&time/option/number/address/city/color/file&directory.

Android runtime permissions powered by RxJava

Official ZXing ("Zebra Crossing") project home

greenDAO is a light & fast ORM solution for Android that maps objects to SQLite databases.

Bind Android views and callbacks to fields and methods.

A combined DatePicker and TimePicker in a DialogFragment for Android

OPEN：高性能开源流媒体服务器，支持RTSP、HLS、HTTP直播

AndFix is a library that offer hot-fix for Android App.

仿微信小视频录制，基于GitHub上的javacv

dexposed enable 'god' mode for single android application.

A curated list of awesome Android UI/UX libraries

A beautiful, slim Android ProgressBar.

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

This repo contains the .NET Core foundational libraries, called CoreFX. It includes classes for collections, file systems, console, XML, async and many others.

An android library for navigator that stick on the top

Android's TextView that can expand/collapse like the Google Play's app description

Android optimized event bus that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

a simple cache for android and java

A library to show emoji in TextView, EditText (like WhatsApp) for Android

Simple API to perform AES encryption on Android. This is the Android counterpart to the AESCrypt library Ruby and Obj-C (with the same defaults) created by Gurpartap Singh. https://github.com/Gurpa…

Drag down to show a view on the top.

Android common lib, include ImageCache, HttpCache, DropDownListView, DownloadManager, Utils and so on

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

AndroidUltimateEncrypt AndroidJNI Encrypt ，运用JNI读取公钥、包名、设备号，然后把结果进行自定义加密，得到一个密码，可以将该密码作为AES的密钥。

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

android orm, bitmap, http, view inject...

AndroidPlayerLibrary from vlc-android

An Asynchronous HTTP Library for Android