UIUserInterfaceStyle Constants that indicate the interface style for the app. Declarationenum UIUserInterfaceStyle TopicsInterface stylesUIUserInterfaceStyle.unspecifiedUIUserInterfaceStyle.lightUIUserInterfaceStyle.darkInitializersinit(_:)init(rawValue:) RelationshipsConforms ToBitwiseCopyableEquatableHashableRawRepresentableSendableSendableMetatype See AlsoAdjusting the interface styleoverrideUserInterfaceStylepreferredUserInterfaceStylechildViewControllerForUserInterfaceStylesetNeedsUserInterfaceAppearanceUpdate()