Design patterns implemented in Java

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

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

about learning Spring Boot via examples. Spring Boot 教程、技术栈示例代码，快速简单上手教程。

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…

RxJava bindings for Android

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

A fast dependency injector for Android and Java.

An powerful enhanced toolkit of MyBatis for simplify development

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

Modular and customizable Material Design UI components for 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)

✔️ Simple, pretty and powerful logger for android

🔥 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).

Luban(鲁班)—Image compression with efficiency very close to WeChat Moments/可能是最接近微信朋友圈的图片压缩算法

Picture Selector Library for Android or 图片选择器

🔥🔥🔥Banner 2.0 来了！Android广告图片轮播控件，内部基于ViewPager2实现，Indicator和UI都可以自定义。

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

The Most Powerful Swipe Layout!

Image Cropping Library 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.

An Android TabLayout Lib

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