<!--
{
  "availability" : [
    "iOS: 27.1.0 -",
    "iPadOS: 27.1.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "UIKit",
  "identifier" : "/documentation/UIKit/UIVerticalBarCompressionBehavior",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "UIKit"
    ],
    "preciseIdentifier" : "c:@E@UIVerticalBarCompressionBehavior"
  },
  "title" : "UIVerticalBarCompressionBehavior"
}
-->

# UIVerticalBarCompressionBehavior

How bars compress when different types of bars are hosted together
and space is constrained.

```
enum UIVerticalBarCompressionBehavior
```

## Topics

### Specifying a compression behavior

[`case automatic`](/documentation/UIKit/UIVerticalBarCompressionBehavior/automatic)

The automatic compression behavior.

[`case prefersBarItems`](/documentation/UIKit/UIVerticalBarCompressionBehavior/prefersBarItems)

A compression behavior that prefers keeping bar items visible.

[`case prefersTabBar`](/documentation/UIKit/UIVerticalBarCompressionBehavior/prefersTabBar)

A compression behavior that prefers keeping the tab bar visible.

### Initializers

[`init?(rawValue: Int)`](/documentation/UIKit/UIVerticalBarCompressionBehavior/init(rawValue:))

## Relationships

### Conforms To

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)