http://blog.csdn.net/flowingflying/article/details/5410820
使用中遇到的问题，sample无法使用问题
http://blog.csdn.net/easebone/article/details/7336125
http://blog.csdn.net/jack0106/article/details/5588057
http://blog.csdn.net/wangyunqian6/article/details/41244341
https://blog.csdn.net/ty3219/article/details/47358329
dbus使用特点
https://www.cnblogs.com/chenxf0619/p/4829253.html
