- (void)navigationController:(UINavigationController *)navigationController
      willShowViewController:(UIViewController *)viewController animated:(BOOL)animated {
@@    if ([viewController isEqual:[navigationController.viewControllers objectAtIndex:0]]) {
        // tab bar icon touched while some view controller from "more" is active
        [[self moreNavigationController] setNavigationBarHidden:NO animated:NO];
        NSLog(@"Unhiding navigation bar");
    } else {
        [[self moreNavigationController] setNavigationBarHidden:YES animated:NO];
        NSLog(@"Hiding navigation bar");
    }
}