Package apple.avfoundation

Class AVCapturePhotoOutputReadinessCoordinator

  • All Implemented Interfaces:
    NSObject
    public class AVCapturePhotoOutputReadinessCoordinator
extends NSObject
    AVCapturePhotoOutputReadinessCoordinator AVCapturePhotoOutputReadinessCoordinator notifies its delegate of changes in an AVCapturePhotoOutput's captureReadiness property and can be used to coordinate UI updates on the main queue with use of AVCapturePhotoOutput on a background queue. AVCapturePhotoOutputReadinessCoordinator tracks its output's captureReadiness and incorporates additional requests registered via -startTrackingCaptureRequestUsingPhotoSettings:. This allows clients to synchronously update shutter button availability and appearance and on the main thread while calling -[AVCapturePhotoOutput capturePhotoWithSettings:delegate:] asynchronously on a background queue. API-Since: 17.0

    • Constructor Detail

      • AVCapturePhotoOutputReadinessCoordinator

        protected AVCapturePhotoOutputReadinessCoordinator​(org.moe.natj.general.Pointer peer)

    • Method Detail

      • accessInstanceVariablesDirectly

        public static boolean accessInstanceVariablesDirectly()

      • 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)

      • captureReadiness

        public long captureReadiness()
        [@property] captureReadiness A value specifying whether the coordinator's photo output is ready to respond to new capture requests in a timely manner. The value incorporates the photo output's captureReadiness and any requests registered using -startTrackingCaptureRequestUsingPhotoSettings:. The value is updated before calling the -readinessCoordinator:captureReadinessDidChange: callback. See AVCapturePhotoOutput's captureReadiness documentation for a discussion of how to update shutter availability and appearance based on the captureReadiness value. This property is key-value observable and all change notifications are delivered on the main queue, allowing UI updates to be done directly in the callback.

      • 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()

      • delegate

        @Nullable
public @Nullable AVCapturePhotoOutputReadinessCoordinatorDelegate delegate()
        [@property] delegate The receiver's delegate, called on the main queue. The value of this property is an object conforming to the AVCapturePhotoOutputReadinessCoordinatorDelegate protocol that will receive a callback when the captureReadiness property changes. Callbacks are delivered on the main queue, allowing UI updates to be done directly in the callback. A callback with the initial value of captureReadiness is delivered when delegate is set.

      • description_static

        public static java.lang.String description_static()

      • 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)

      • setDelegate_unsafe

        public void setDelegate_unsafe​(@Nullable
                               @Nullable AVCapturePhotoOutputReadinessCoordinatorDelegate value)
        [@property] delegate The receiver's delegate, called on the main queue. The value of this property is an object conforming to the AVCapturePhotoOutputReadinessCoordinatorDelegate protocol that will receive a callback when the captureReadiness property changes. Callbacks are delivered on the main queue, allowing UI updates to be done directly in the callback. A callback with the initial value of captureReadiness is delivered when delegate is set.

      • setDelegate

        public void setDelegate​(@Nullable
                        @Nullable AVCapturePhotoOutputReadinessCoordinatorDelegate value)
        [@property] delegate The receiver's delegate, called on the main queue. The value of this property is an object conforming to the AVCapturePhotoOutputReadinessCoordinatorDelegate protocol that will receive a callback when the captureReadiness property changes. Callbacks are delivered on the main queue, allowing UI updates to be done directly in the callback. A callback with the initial value of captureReadiness is delivered when delegate is set.

      • setVersion_static

        public static void setVersion_static​(long aVersion)

      • startTrackingCaptureRequestUsingPhotoSettings

        public void startTrackingCaptureRequestUsingPhotoSettings​(@NotNull
                                                          @NotNull AVCapturePhotoSettings settings)
        startTrackingCaptureRequestUsingPhotoSettings: Track the capture request represented by the specified photo settings until it is enqueued to the photo output and update captureReadiness to include this request. The captureReadiness property is updated to include the tracked request until the the photo output receives a settings object with the same or a newer uniqueID. It is recommended that the same photo settings be passed to -[AVCapturePhotoOutput capturePhotoWithSettings:delegate] to ensure the captureReadiness value is consistent once the capture begins. When called on the main queue the delegate callback is invoked synchronously before returning to ensure shutter availability is updated immediately and prevent queued touch events from initiating unwanted captures. The -startTrackingCaptureRequestUsingPhotoSettings: method can be called while in the SessionNotRunning state to allow the shutter button to be interactive while the session is being started on a background queue. An NSInvalidArgumentException is thrown if the photo settings are invalid.
        Parameters:
        settings - The AVCapturePhotoSettings which will be passed to -[AVCapturePhotoOutput capturePhotoWithSettings:delegate] for this capture request.

      • stopTrackingCaptureRequestUsingPhotoSettingsUniqueID

        public void stopTrackingCaptureRequestUsingPhotoSettingsUniqueID​(long settingsUniqueID)
        stopTrackingCaptureRequestUsingPhotoSettingsUniqueID: Stop tracking the capture request represented by the specified photo settings uniqueID and update captureReadiness to no longer include this request. Tracking automatically stops when -[AVCapturePhotoOutput capturePhotoWithSettings:delegate] is called with a photo settings objects with the same or a newer uniqueID, but in cases where an error or other condition prevents calling -capturePhotoWithSettings:delegate tracking should be explictly stopped to ensure the captureReadiness value is up to date. When called on the main queue the delegate callback is invoked synchronously before returning to ensure shutter availability is updated immediately.
        Parameters:
        settingsUniqueID - The AVCapturePhotoSettings.uniqueID of the settings passed to -startTrackingCaptureRequestUsingPhotoSettings:.

      • superclass_static

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

      • useStoredAccessor

        @Deprecated
public static boolean useStoredAccessor()
        Deprecated.

      • version_static

        public static long version_static()