四中LaunchMode:http://blog.csdn.net/liuhe688/article/details/6754323
onNewIntent:http://www.cnblogs.com/zenfly/archive/2012/02/10/2345196.html
四中LaunchMode:http://blog.csdn.net/liuhe688/article/details/6754323
onNewIntent:http://www.cnblogs.com/zenfly/archive/2012/02/10/2345196.html