ViewGroup 相关资料 :
http://www.incoding.org/admin/archives/199.html
http://bbs.csdn.net/topics/370144745
http://www.linuxidc.com/Linux/2013-01/78109.htm
http://blog.csdn.net/arui319/article/details/5868466
http://www.2cto.com/kf/201109/104633.html
http://www.cnblogs.com/slider/archive/2011/11/24/2262161.html
蓝牙开发指南 :
http://wenku.baidu.com/view/b41c1b09bb68a98271fefae1.html
蓝牙编程 :
http://blog.csdn.net/qinjuning/article/details/7726093 BluetoothAdapter类简介
http://www.cnblogs.com/over140/archive/2010/12/21/1912460.html
Android 中文API (69) —— BluetoothAdapter[蓝牙]
http://www.wuphone.com/579.html BluetoothAdapter蓝牙
http://www.cnblogs.com/over140/archive/2010/12/21/1912482.html
BluetoothDevice[蓝牙]
http://blog.csdn.net/forlong401/article/details/8536209
android蓝牙开发——基本概念
http://blog.csdn.net/hellogv/article/details/6042091 十三篇之探秘蓝牙隐藏API
http://www.cnblogs.com/wanqieddy/archive/2013/05/24/3096312.html 隐藏api介绍
http://www.eoeandroid.com/thread-18993-1-1.html?_dsign=d70c243d Android蓝牙开发浅谈
http://blog.csdn.net/myarrow/article/details/8143717 安卓设备待机广播