Instance Property

layoutDirection

The layout direction associated with the current environment.

Declaration

var layoutDirection: UITraitEnvironmentLayoutDirection { get }

Discussion

Use this trait to determine whether the underlying environment uses a left-to-right or right-to-left orientation.

See Also

Retrieving Interface-Related Traits

var userInterfaceIdiom: UIUserInterfaceIdiom

The user interface idiom of the trait collection.

enum UIUserInterfaceIdiom

The type of interface that should be used on the current device

var forceTouchCapability: UIForceTouchCapability

The force touch capability value of the trait collection.

enum UIForceTouchCapability

Keys that indicate the availability of 3D Touch on a device. Only certain devices support 3D Touch. On those that do, the user can disable 3D Touch in the Accessibility area in Settings.

enum UITraitEnvironmentLayoutDirection

Constants indicating the layout direction associated with the current environment.

var userInterfaceStyle: UIUserInterfaceStyle

The style associated with the user interface.

enum UIUserInterfaceStyle

Constants indicating the interface style for the app.