android onSaveInstanceState和onRestoreInstanceState 可以阅读以下三篇文章: http://www.cnblogs.com/heiguy/archive/2010/10/30/1865239.html http://android.blog.51cto.com/268543/634646 http://dev.10086.cn/cmdn/wiki/index.php?edition-view-6259-1.html