overridefuncviewDidLoad(){lettap=UITapGestureRecognizer(target:self,action:#selector(touchHandled))view.addGestureRecognizer(tap)}@objcfunctouchHandled(){tabBarController?.hideTabBarAnimated(hide:true)}extensionUITabBarController{funchideTabBarAnimated(hide:Bool){UIView.animate(withDuration:2,an