Cocoa API解説(macOS/iOS)

iOS , Mac アプリケーション開発のために使われる主要フレームワークの日本語情報です。

目次

NSKeyValueObservingプロトコル

INDEX>Foundation>

apple(OS X)
apple(iOS)

(informal protocol)

準拠 NSObject
フレームワーク /System/Library/Frameworks/Foundation.framework
使用可能 OS X 10.3
iOS 2.0
定義 NSKeyValueObserving.h

概要

参照

タスク

Change Notification

– observeValueForKeyPath:ofObject:change:context:

Registering for Observation

– addObserver:forKeyPath:options:context:
– removeObserver:forKeyPath:
– removeObserver:forKeyPath:context:

Notifying Observers of Changes

– willChangeValueForKey:
– didChangeValueForKey:
– willChange:valuesAtIndexes:forKey:
– didChange:valuesAtIndexes:forKey:
– willChangeValueForKey:withSetMutation:usingObjects:
– didChangeValueForKey:withSetMutation:usingObjects:

Observing Customization

+ automaticallyNotifiesObserversForKey:
+ keyPathsForValuesAffectingValueForKey:
– setObservationInfo:
– observationInfo
+ setKeys:triggerChangeNotificationsForDependentKey: Deprecated in OS X v10.5 and later