轉貼：Android 自定義Dialog

http://loginleft.iteye.com/blog/1975980
http://www.cnblogs.com/and_he/archive/2011/09/16/2178716.html
http://www.dotblogs.com.tw/superlm102/archive/2013/02/05/90118.aspx
http://www.cnblogs.com/archie2010/p/3256047.html