<!--
{
  "availability" : [
    "iOS: 13.0.0 -",
    "iPadOS: 13.0.0 -",
    "macCatalyst: 13.1.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "UIKit",
  "identifier" : "/documentation/UIKit/UISplitViewController/BackgroundStyle",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "UIKit"
    ],
    "preciseIdentifier" : "c:@E@UISplitViewControllerBackgroundStyle"
  },
  "title" : "UISplitViewController.BackgroundStyle"
}
-->

# UISplitViewController.BackgroundStyle

Styles that apply a visual effect to the background of a primary view controller.

```
enum BackgroundStyle
```

## Topics

### Background styles

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

A style that has no visual effect on the background appearance of the primary view controller.

[`case sidebar`](/documentation/UIKit/UISplitViewController/BackgroundStyle/sidebar)

A style that applies a blurred effect to the background of the primary view controller.

### Initializers

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

## Relationships

### Conforms To

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

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

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

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

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

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

---

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)