开源的 Material Design 豆瓣客户端（A Material Design app for douban.com）
viewpager with parallax pages, together with vertical sliding (or click) and activity transition
Render After Effects animations natively on Android and iOS
仿网易云音乐 安卓版，netease android，音乐播放器 在线 下载
An Android custom animation view that looks like WhastApp Profile screen style
Use RecyclerView to achieve card swipe layout , like Tantan . (模仿探探卡片滑动效果的布局)
An android view looper library. Support for Android 2.2 and up.
A powerful Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, dragging and animations.
皮肤切换动画，支持全局View animation everywhere
[DEPRECATED] Action bar implementation which uses the native action bar on Android 4.0+ and a custom implementation on pre-4.0 through a single API and theme.
An Android Alerting Library