Set `hidesBottomBarWhenPushed = true` in the controller that you want to hide.
For hide, all your controllers put into `prepare for segue`

override func prepare(for segue: UIStoryboardSegue, sender: Any?) { segue.destination.hidesBottomBarWhenPushed = true }

Set `true` the property `hidesBottomBarWhenPushed` in the controller to hide.
For hide, all your controllers put into `prepare for segue`

override func prepare(for segue: UIStoryboardSegue, sender: Any?) { segue.destination.hidesBottomBarWhenPushed = true }