解决方法
您是否已经检查过您的Info.plist中的UIStatusBarHidden设置为YES是否有效?请参阅文档:
http://developer.apple.com/library/mac/documentation/General/Reference/InfoPlistKeyReference/Articles/iPhoneOSKeys.html#//apple_ref/doc/uid/TP40009252-SW15
http://developer.apple.com/library/mac/documentation/General/Reference/InfoPlistKeyReference/Articles/iPhoneOSKeys.html#//apple_ref/doc/uid/TP40009252-SW15
这将隐藏应用程序启动时的状态栏.