iOS push 横屏

[[UIApplication sharedApplication]setStatusBarOrientation:UIInterfaceOrientationLandscapeRight animated:YES];                        CGFloat duration = [UIApplication sharedApplication].statusBarOrientationAnimationDuration;                        [UIView beginAnimations:nil context:nil];                        [UIView setAnimationDuration:duration];                        self.navigationController.view.transform = CGAffineTransformIdentity;                        self.navigationController.view.transform = CGAffineTransformMakeRotation(M_PI*(90)/180.0);                        self.navigationController.view.bounds = CGRectMake(0, 0, 480, 320);                        self.navigationController.navigationBar.frame = CGRectMake(0, 0, self.view.width, 44);                        [UIView commitAnimations];