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# setNavigationBarHidden(_:animated:)

Sets whether the navigation bar is hidden.

```
func setNavigationBarHidden(_ hidden: Bool, animated: Bool)
```

## Parameters

`hidden`

Specify <doc://com.apple.documentation/documentation/Swift/true> to hide the navigation bar or <doc://com.apple.documentation/documentation/Swift/false> to show it.

`animated`

Specify <doc://com.apple.documentation/documentation/Swift/true> if you want to animate the change in visibility or <doc://com.apple.documentation/documentation/Swift/false> if you want the navigation bar to appear immediately.

## Discussion

For animated transitions, the duration of the animation is specified by the value in the [`hideShowBarDuration`](/documentation/UIKit/UINavigationController/hideShowBarDuration) constant.

## See Also

[`isNavigationBarHidden`](/documentation/UIKit/UINavigationController/isNavigationBarHidden)

A Boolean value that indicates whether the navigation bar is hidden.


---

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