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# UISplitViewController.LayoutEnvironment

Constants that indicate the current layout of the containing split view controller.

```
enum LayoutEnvironment
```

## Topics

### Constants

[`case collapsed`](/documentation/UIKit/UISplitViewController/LayoutEnvironment/collapsed)

Contained within a collapsed split view controller.

[`case expanded`](/documentation/UIKit/UISplitViewController/LayoutEnvironment/expanded)

Contained within an expanded split view controller.

[`case none`](/documentation/UIKit/UISplitViewController/LayoutEnvironment/none)

There is no containing split view controller.

### Initializers

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

## Relationships

### Conforms To

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

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

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

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

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

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

---

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