hide tab ios

- (void) hideTabBar:(BOOL) hidden{

    

    [UIView beginAnimations:nilcontext:NULL];

    [UIView setAnimationDuration:0];

    UIView *window = [UIApplicationsharedApplication].keyWindow;

    for(UIView *viewin self.tabBarController.view.subviews)

    {

        if([viewisKindOfClass:[UITabBar class]])

        {

            if (hidden) {

                [view setFrame:CGRectMake(view.frame.origin.x, window.height, view.frame.size.width, view.frame.size.height)];

            } else {

                [view setFrame:CGRectMake(view.frame.origin.x, window.height-49, view.frame.size.width, view.frame.size.height)];

            }

        }

        else

        {

            if (hidden) {

                [view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, window.height)];

            } else {

                [view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, window.height-49)];

            }

        }

    }

    

    [UIView commitAnimations];

}