UIViewControllerと同じで、継承してshouldAutorotateToInterfaceOrientation:でYESを返します。 #import <UIKit/UIKit.h> @interface MyTabBarController : UITabBarController @end #import "MyTabBarController.h" @implementation MyTabBarController - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return YES; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; } -