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http://blog.csdn.net/ichliebephone/article/details/5916320   Android的设置界面及Preference使用
http://blog.csdn.net/lincyang/article/details/20609673   Android实战之PreferenceActivity使用详解
http://blog.csdn.net/shenyongjun1209/article/details/8823097   Android之PreferenceActivity(包括样式自定义)
http://blog.csdn.net/sean_xiang/article/details/8862540   实例探索Preference XML文件中的各项属性
http://stackoverflow.com/questions/14548927/android-broadcast-receiver-vs-service   Android Broadcast Receiver vs Service
http://bbs.csdn.net/topics/390410768   android的AIDL项目在客户端同时用了startService和bindService
http://blog.csdn.net/zmli3/article/details/6658482   1 bindService的启动 2通过AIDL来进行进程间的通信
http://blog.csdn.net/ican87/article/details/25114333   ContentObserver
http://bbs.csdn.net/topics/380223885   非法向前引用
http://blog.csdn.net/zapzqc/article/details/8502646   Toast.LENGTH_LONG和Toast.LENGTH_SHORT分别对应多长时间
http://blog.csdn.net/cquwentao/article/details/27419217   Broadcast Receiver开启服务而不是子线程处理耗时操作
http://blog.csdn.net/yangwen123/article/details/9109495   Android 广播接收器注册与注销源码分析
http://blog.csdn.net/netwalk/article/details/13768969   设置Android系统永不休眠永不锁屏
http://blog.csdn.net/zhangfl0803/article/details/9181637   Android4.2设置
http://blog.csdn.net/ysfeagle/article/details/8349183   Android4.0 4.1Keyguard锁屏流程梳理
http://blog.csdn.net/u012604322/article/details/24088369   Android横竖屏切换和灭屏亮屏时Activity的生命周期探究(1)
http://blog.csdn.net/hzbooks/article/details/8588275   Android Telephony框架结构简析
http://blog.csdn.net/kevinx_xu/article/details/11832097   Android Phone设计介绍