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.

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A libre lightweight streaming front-end for Android.

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

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

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

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

Bind Android views and callbacks to fields and methods.

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

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

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

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

Graphs for Everyone

Android Transition animations explanation with examples.

This is a picker view for android , support linkage effect, timepicker and optionspicker.（时间选择器、省市区三级联动）

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

Cute view animation collection.

The Most Powerful Swipe Layout!

Multitask、MultiThread(MultiConnection)、Breakpoint-resume、High-concurrency、Simple to use、Single/NotSingle-process

An Android library that allows you to easily create applications with slide-in menus. You may use it in your Android apps provided that you cite this project and include the license in your app. Th…

Fast Android Development. Easy maintainance.

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

A collection of source code generators for Java.

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

An Android transformation library providing a variety of image transformations for Glide.

Views and Drawable for displaying animated GIFs on Android

Android library to observe scroll events on scrollable views.

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

This library provides a simple way to add a draggable sliding up panel (popularized by Google Music and Google Maps) to your Android application. Brought to you by Umano.