标签：des android http io ar sp on 2014 art
https://github.com/telly/FloatingAction
http://www.csdn.net/article/2014-11-21/2822753-material-design-libs/1
android 属性动画的开源代码：
http://www.jcodecraeer.com/a/opensource/2014/1012/1746.html
标签：des android http io ar sp on 2014 art
原文地址：http://www.cnblogs.com/androidsuperman/p/4122094.html
