响应式编程

• RxJava

  https://github.com/ReactiveX/RxJava

• RxAndroid

  https://github.com/ReactiveX/RxAndroid

消息通信

• EventBus

  组件间的消息通信

  https://github.com/greenrobot/EventBus

动态权限

• easypermissions
  

  https://github.com/googlesamples/easypermiss

• RxPermissions
  

  https://github.com/tbruyelle/RxPermissions

• PermissionsDispatcher
  

  https://github.com/hotchemi/PermissionsDispatcher

注解框架

• butterknife

  View注解框架

  https://github.com/JakeWharton/butterknife

• dagger

  Android和Java的依赖注入框架

  https://github.com/google/dagger

数据解析

• Gson

  https://github.com/google/gson

• fastjson

  https://github.com/alibaba/fastjson

数据库

• Realm

  移动数据库SQLite&ORM替代者

  https://github.com/realm/realm-java

• ActiveAndroid

  无需写sql语句

  https://github.com/pardom/ActiveAndroid

• greenDAO

  轻量级、快速ORM解决方案

  https://github.com/greenrobot/greenDAO

网络访问

• OkHttp

  良心组织square开源项目

  https://github.com/square/okhttp

• AndroidAsyncHttp

  异步请求http库

  https://github.com/loopj/android-async-http

• retrofit

  又是square出品的精品，该http请求库与dagger、rxjava为越来越多人使用的三剑客

  https://github.com/square/retrofit

图片加载

• Android-Universal-Image-Loader

  非常流行图片加载库

  https://github.com/nostra13/Android-Universal-Image-Loader

• Glide

  https://github.com/bumptech/glide

• fresco

  facebook出品，必属精品

  https://github.com/facebook/fresco

• picasso

  https://github.com/square/picasso

多媒体操作

• android-multipicker-library

  图片、视频、文件、音乐、通讯录选择器

  https://github.com/coomar2841/android-multipicker-library

• Android-Image-Cropper

  图片裁剪库

  https://github.com/ArthurHub/Android-Image-Cropper

• uCrop

  https://github.com/Yalantis/uCrop

• android-UniversalMusicPlayer

  google的跨平台音乐播放器，支持手机、平板、手表和TV，是学习多平台的最好实例

  https://github.com/googlesamples/android-UniversalMusicPlayer

• PhotoView

  图片手势操作放大缩小库

  https://github.com/chrisbanes/PhotoView

扫描码

• zxing

  Java实现的条形码、二维码扫描开源库

  https://github.com/zxing/zxing

• zbar

  C实现的条形码、二维码扫描库

  https://github.com/ZBar/ZBar

• barcodescanner

  封装了zxing和zbar，更加简单的使用

  https://github.com/dm77/barcodescanner

MVP相关

• Android-CleanArchitecture

  mvp架构学习实例

  https://github.com/android10/Android-CleanArchitecture

• android-architecture

  google推荐的学习mvp架构的模版

  https://github.com/googlesamples/android-architecture

辅助功能

• 内存检测

  leakcanary

  https://github.com/square/leakcanary

• 简单、漂亮的日志打印工具

  logger

  https://github.com/orhanobut/logger