在做闹钟界面时，碰到如下问题，还请帮助下怎么解决，谢谢！
09-26 01:41:51.077: E/AndroidRuntime(2098): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.bird.iphonealarmclock/com.bird.iphonealarmclock.IPhoneAlarmClock}: java.lang.SecurityException: Permission Denial: opening provider com.android.deskclock.AlarmProvider from ProcessRecord{4061e9a8 2098:com.bird.iphonealarmclock/10045} (pid=2098, uid=10045) requires null or null
09-26 01:41:51.077: E/AndroidRuntime(2098): Caused by: java.lang.SecurityException: Permission Denial: opening provider com.android.deskclock.AlarmProvider from ProcessRecord{4061e9a8 2098:com.bird.iphonealarmclock/10045} (pid=2098, uid=10045) requires null or null
------解决方案--------------------
是不是manifest需要声明权限，或者这个api就是不能用的
------解决方案--------------------
http://univasity.iteye.com/blog/998795
------解决方案--------------------
或者是activity的包路径写错了？
------解决方案--------------------
仅供参考：http://hi.baidu.com/gaogaf/item/c2165abf1a073b42bb0e1240