A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

让微信、QQ、支付宝、淘宝、云闪付支持使用指纹支付

🔥 ZXing的精简极速版，优化扫码和生成二维码/条形码，内置闪光灯等功能。扫描风格支持：微信的线条样式，支付宝的网格样式。几句代码轻松拥有扫码功能 ，ZXingLite让集成扫码更简单。

Android Carousel LayoutManager for RecyclerView

📱Tinder like swipeable card view for Android

An Adapter that allows a RecyclerView to be split into Sections with headers and/or footers. Each Section can have its state controlled individually.

A Floating Action Button Speed Dial implementation for Android that follows the Material Design specification (https://material.io/components/buttons-floating-action-button#types-of-transitions)

New way to implements ViewPager/Gallery in Android with RecycleView

📱Android Library to implement animated, 😍beautiful, 🎨stylish Material Dialog in android apps easily.

让你能够在IDEA里实现聊天、下棋、斗地主！

💭BubbleLayout随意变化的气泡布局、消息对话框，可定制颜色，背景、弧度、尖角弧度、边框等等。BubbleDialog气泡弹窗根据点击View的位置定位它的弹窗位置，BubbleDialog可定制方向等！(BubbleLayout changes freely,BubbleDialog click on the location of View positioning its loc…

一款开源、完善、高效的Android课程表控件，支持添加广告、课程重叠自动处理、透明背景设置、空白格子点击事件处理等丰富的功能，并且有完善的开发文档、案例以供参考

这是一份详细的RxJava学习攻略 & 指南

biweekly is an iCalendar library written in Java.

🔥🔥Android 平台，基于LivaData的EventBus，无侵入，更优雅，支持跨进程，跨应用粘性事件，优先级，自定义事件等功能。

西电睿思手机客户端[Android]适用于discuz论坛

HokoBlurDrawable is an Android component which provides dynamic blur effect.