Class UIFocusSystem

All Implemented Interfaces:
NSObjectProtocol, ObjCProtocol

public class UIFocusSystem
extends NSObject
Since:
Available in iOS 11.0 and later.
  • Constructor Details

    • UIFocusSystem

      protected UIFocusSystem()
    • UIFocusSystem

      protected UIFocusSystem​(NSObject.Handle h, long handle)
    • UIFocusSystem

      protected UIFocusSystem​(NSObject.SkipInit skipInit)
  • Method Details

    • getFocusedItem

      public UIFocusItem getFocusedItem()
      Since:
      Available in iOS 12.0 and later.
    • requestFocusUpdateToEnvironment

      public void requestFocusUpdateToEnvironment​(UIFocusEnvironment environment)
      Since:
      Available in iOS 12.0 and later.
    • updateFocusIfNeeded

      public void updateFocusIfNeeded()
      Since:
      Available in iOS 12.0 and later.
    • focusSystemForEnvironment

      public static UIFocusSystem focusSystemForEnvironment​(UIFocusEnvironment environment)
      Since:
      Available in iOS 12.0 and later.
    • isEnvironmentContainsEnvironment

      public static boolean isEnvironmentContainsEnvironment​(UIFocusEnvironment environment, UIFocusEnvironment otherEnvironment)