Package apple.uikit

Class UIFocusSystem

  • All Implemented Interfaces:
    NSObject

    public class UIFocusSystem
    extends NSObject
    UIFocusSystem instances manage focus state within a part of the user interface. They are in charge of tracking the current focused item, as well as processing focus updates. API-Since: 11.0
    • Constructor Detail

      • UIFocusSystem

        protected UIFocusSystem​(org.moe.natj.general.Pointer peer)
    • Method Detail

      • accessInstanceVariablesDirectly

        public static boolean accessInstanceVariablesDirectly()
      • allocWithZone

        public static UIFocusSystem allocWithZone​(org.moe.natj.general.ptr.VoidPtr zone)
      • automaticallyNotifiesObserversForKey

        public static boolean automaticallyNotifiesObserversForKey​(@NotNull
                                                                   @NotNull java.lang.String key)
      • cancelPreviousPerformRequestsWithTarget

        public static void cancelPreviousPerformRequestsWithTarget​(@NotNull
                                                                   @NotNull java.lang.Object aTarget)
      • cancelPreviousPerformRequestsWithTargetSelectorObject

        public static void cancelPreviousPerformRequestsWithTargetSelectorObject​(@NotNull
                                                                                 @NotNull java.lang.Object aTarget,
                                                                                 @NotNull
                                                                                 @NotNull org.moe.natj.objc.SEL aSelector,
                                                                                 @Nullable
                                                                                 @Nullable java.lang.Object anArgument)
      • classFallbacksForKeyedArchiver

        @NotNull
        public static @NotNull NSArray<java.lang.String> classFallbacksForKeyedArchiver()
      • classForKeyedUnarchiver

        @NotNull
        public static @NotNull org.moe.natj.objc.Class classForKeyedUnarchiver()
      • debugDescription_static

        public static java.lang.String debugDescription_static()
      • description_static

        public static java.lang.String description_static()
      • environmentContainsEnvironment

        public static boolean environmentContainsEnvironment​(@NotNull
                                                             @NotNull UIFocusEnvironment environment,
                                                             @NotNull
                                                             @NotNull UIFocusEnvironment otherEnvironment)
        Returns true if `environment` is an ancestor of `otherEnvironment`, or false if otherwise.
      • hash_static

        public static long hash_static()
      • instanceMethodSignatureForSelector

        public static NSMethodSignature instanceMethodSignatureForSelector​(org.moe.natj.objc.SEL aSelector)
      • instancesRespondToSelector

        public static boolean instancesRespondToSelector​(org.moe.natj.objc.SEL aSelector)
      • isSubclassOfClass

        public static boolean isSubclassOfClass​(org.moe.natj.objc.Class aClass)
      • keyPathsForValuesAffectingValueForKey

        @NotNull
        public static @NotNull NSSet<java.lang.String> keyPathsForValuesAffectingValueForKey​(@NotNull
                                                                                             @NotNull java.lang.String key)
      • resolveClassMethod

        public static boolean resolveClassMethod​(org.moe.natj.objc.SEL sel)
      • resolveInstanceMethod

        public static boolean resolveInstanceMethod​(org.moe.natj.objc.SEL sel)
      • setVersion_static

        public static void setVersion_static​(long aVersion)
      • superclass_static

        public static org.moe.natj.objc.Class superclass_static()
      • version_static

        public static long version_static()
      • focusSystemForEnvironment

        @Nullable
        public static @Nullable UIFocusSystem focusSystemForEnvironment​(@NotNull
                                                                        @NotNull UIFocusEnvironment environment)
        API-Since: 12.0
      • focusedItem

        @Nullable
        public @Nullable UIFocusItem focusedItem()
        The currently focused item in this focus system. API-Since: 12.0
      • requestFocusUpdateToEnvironment

        public void requestFocusUpdateToEnvironment​(@NotNull
                                                    @NotNull UIFocusEnvironment environment)
        Requests a focus update to the specified environment. If accepted, the focus update will happen in the next run loop cycle. API-Since: 12.0
      • updateFocusIfNeeded

        public void updateFocusIfNeeded()
        Forces any pending focus update to be committed immediately. API-Since: 12.0
      • useStoredAccessor

        @Deprecated
        public static boolean useStoredAccessor()
        Deprecated.