How to import library ?

Android Studio:

• Download or git the library. (for example: the library folder named ActionBarSherlock)
• Create a folder named libraries in your root directory of project.
• Copy & Paste the library into libraries.

• On the root of your project, modify setting.gradle (if not exist, create it), add this library.

  include(‘:libraries:ActionBarSherlock’)

• Edit your project’s build.gradle, tell gradle to compile your added library,add below code in the dependencies tag.

  compile project(:libraries:ActionBarSherlock)

• Run gradle clean && gradle assemble on your root project.

How to import library ?

原文：http://www.cnblogs.com/tt_mc/p/4281662.html