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How to hide the tab bar when a view controller is shown

Paul Hudson       @twostraws

If you’re using UITabBarController to display a tab strip at the bottom of your user interface, the default behavior for iOS is to display the tabs at all times – even if the user has navigated deep into a UINavigationController in one of the tabs.

If you don’t want that behavior, you should set hidesBottomBarWhenPushed to true where applicable. This will hide the tab bar along with any toolbars you had showing, but only when a view controller is pushed onto the navigation stack. This allows you to show the tab bar at first, then hide it when you need more room.

The best place to set this property is inside the prepare(for:) method for segues, where you configure any other properties in your destination view controller:

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

Available from iOS 5.0

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