Constants indicating the visual level for content in the window.
SDKs
- iOS 13.0+
- Mac Catalyst 13.0+
Framework
- UIKit
Declaration
typedef enum UIUserInterfaceLevel : NSInteger {
...
} UIUserInterfaceLevel;
EnumerationUIUser
UIUser
Topics
Interface Levels
UIUserAn unspecified interface level.
UIUserThe level for your window's main content.
UIUserThe level for content visually above your window's main content.
See Also
Retrieving Interface-Related Traits
userThe style associated with the user interface.
UIUserConstants indicating the interface style for the app.
userThe user interface idiom of the trait collection.
UIUserThe interface type for the device or an object that has a trait environment, such as a view and view controller.
userThe elevation level of the interface.
layoutThe layout direction associated with the current environment.
UITraitConstants indicating the layout direction associated with the current environment.
accessibilityThe accessibility contrast associated with the current environment.
UIAccessibilityConstants indicating the accessibility contrast setting.
legibilityThe font weight to apply to text.
UILegibilityConstants indicating the weight to apply to text in your interface.