0424

http://article.yeeyan.org/view/267061/270608

http://wenku.baidu.com/view/8ea5d3390912a216147929cd.html

http://blog.sina.com.cn/s/blog_67d95f4001011vdx.html

http://blog.csdn.net/wchinaw/article/details/6542807

http://wei2008.com/News/News/19138.html

http://wenku.baidu.com/view/6afd28c64028915f804dc2c9.html

http://blog.csdn.net/h3c4lenovo/article/details/8179879#comments

http://developer.android.com/guide/topics/connectivity/nfc/nfc.html