「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！

Design patterns implemented in Java

Everything you need to know to get the job.

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.

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

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

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

👨‍🎓 Java Core Sprout : basic, concurrent, algorithm

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

一款面向泛前端产品研发全生命周期的效率平台。

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

A fast dependency injector for Android and Java.

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

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

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

A circular ImageView for Android

提高 Android UI 开发效率的 UI 库

💪 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)

🔥 A low-cost Android screen adaptation solution (今日头条屏幕适配方案终极版，一个极低成本的 Android 屏幕适配方案).

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

🎆 A well-designed local image and video selector for Android

android 4.4以上沉浸式状态栏和沉浸式导航栏管理，适配横竖屏切换、刘海屏、软键盘弹出等问题，可以修改状态栏字体颜色和导航栏图标颜色，以及不可修改字体颜色手机的适配，适用于Activity、Fragment、DialogFragment、Dialog，PopupWindow，一句代码轻松实现，以及对bar的其他设置，详见README。简书请参考：http://www.jianshu.c…

A declarative API to handle Android runtime permissions.