Type Property

screenChanged

Posted by an application when a new view appears that makes up a major portion of the screen.

Declaration

static var screenChanged: UIAccessibility.Notification

Discussion

This notification includes a parameter, which is either an NSString object that VoiceOver speaks or an accessibility element that VoiceOver moves to. Post this notification using the post(notification:argument:) function.

See Also

UI Changes

static var layoutChanged: UIAccessibility.Notification

Posted by an application when the layout of a screen changes, such as when an element appears or disappears.

static var pageScrolled: UIAccessibility.Notification

Posted by an application when a scroll action has completed and the accessibilityScroll(_:) method has been called.

static let switchControlStatusDidChangeNotification: NSNotification.Name

Posted by UIKit when the system’s Switch Control setting has changed.

static let elementFocusedNotification: NSNotification.Name

Posted by UIKit when an assistive technology focuses on an element.

static let reduceTransparencyStatusDidChangeNotification: NSNotification.Name

Posted by UIKit when the system’s Reduce Transparency system setting has changed.