Activity Dialog 通信
1.Dialog 回传值到Activity
http://www.2cto.com/kf/201107/97327.html
http://stackoverflow.com/questions/6882425/custom-dialog-passing-value-in-android
2.Activity传值到Dialog
http://dev.10086.cn/cmdn/bbs/thread-45105-1-1.html
http://stackoverflow.com/questions/6124989/pass-data-from-activity-to-dialog
3.
http://baike.baidu.com/view/6953891.htm
