①申请API KEY
②Select File > Import > Android > Existing Android Code Into Workspace and click Next.
导入google-play-services_lib
③Select File > New > Other > Android Sample Project and click Next.
导入maps例子。
④加入 andriod-support-v4.jar
google mapsDemo示例运行,布布扣,bubuko.com
原文：http://www.cnblogs.com/jzzgci/p/3704734.html