转载自：http://www.cnblogs.com/qianxudetianxia/p/4322331.html
目的
发布自己的android library（也就是aar）到公共的jcenter仓库，所有的人都能用gradle最简单的方式引用。
为什么选择jcenter，它兼容maven，而且支持更多形式仓库，android studio最新版本已经默认jcenter了。
环境
Android Studio 1.0+
转载自：http://flavienlaurent.com/blog/2014/01/31/spans/
Recently, I wrote a blog post about the NewStand app and its ActionBar icon translation effect. Cyril Mottier suggested me to use Spans to fade in/out the ActionBar title which is a very elegant[......]
转载自：http://toastdroid.com/2014/06/21/creating-reusable-custom-components/
The stock Views provided by Android are pretty flexible, and usually they’re good enough if you’re adhering to the Android Design Guidelines. Sometimes you might want to add[......]
转载自：https://www.timroes.de/2013/09/22/handling-signing-configs-with-gradle/
Handling signing configs with Gradle
If you use the Gradle build system (or Android Studio) to build your apps, you can configure several options to sign your packages[......]
http://www.developerphil.com/android-studio-tips-tricks-moving-around/[......]