notification 报错the method build() is undefined for the type Notificatin.Builder
这事api版本太低导致的
Notifica没有builder方法，解决方案，将项目api调整到 17 ok。
notification 报错the method build() is undefined for the type Notificatin.Builder
原文：http://blog.csdn.net/kan1kan5/article/details/40426587
