我正在使用Xcode5.0.2并在尝试编译我的Objective-C代码时收到以下警告:Implicitconversionfromenumerationtype'enumUIDeviceOrientation'todifferentenumerationtype'UIInterfaceOrientation'(aka'enumUIInterfaceOrientation')警告在viewController.m中-(void)youTubeStarted:(NSNotification*)notification{//yourcodehereNSLog(@"youTubeStarte