iOS 基礎類解析 - NSObject

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NSObject Class Reference

Inherits from none (NSObject is a root class) Conforms to NSObject Framework /System/Library/Frameworks/Foundation.framework Availability Available in iOS 2.0 and later. Declared in NSKeyedArchiver.h
NSObject.h
NSRunLoop.h
NSThread.h
objc/NSObject.h Related sample code AdvancedURLConnections AVPlayerDemo CryptoExercise PhotosByLocation TheElements

Initializing a Class

• + initialize
• + load
  

  Creating, Copying, and Deallocating Objects

  • + alloc
  • + allocWithZone:
  • C init
  • C copy
  • + copyWithZone:
  • C mutableCopy
  • + mutableCopyWithZone:
  • C dealloc
  • + new
    

    Identifying Classes

    • + class
    • + superclass
    • + isSubclassOfClass:
      

      Testing Class Functionality

      • + instancesRespondToSelector:
        

        Testing Protocol Conformance

        • + conformsToProtocol:
          

          Obtaining Information About Methods

          • C methodForSelector:
          • + instanceMethodForSelector:
          • + instanceMethodSignatureForSelector:
          • C methodSignatureForSelector:
            

            Describing Objects

            • + description
              

              Discardable Content Proxy Support

              • C autoContentAccessingProxy
                

                Sending Messages

                • C performSelector:withObject:afterDelay:
                • C performSelector:withObject:afterDelay:inModes:
                • C performSelectorOnMainThread:withObject:waitUntilDone:
                • C performSelectorOnMainThread:withObject:waitUntilDone:modes:
                • C performSelector:onThread:withObject:waitUntilDone:
                • C performSelector:onThread:withObject:waitUntilDone:modes:
                • C performSelectorInBackground:withObject:
                • + cancelPreviousPerformRequestsWithTarget:
                • + cancelPreviousPerformRequestsWithTarget:selector:object:
                  

                  Forwarding Messages

                  • C forwardingTargetForSelector:
                  • C forwardInvocation:
                    

                    Dynamically Resolving Methods

                    • + resolveClassMethod:
                    • + resolveInstanceMethod:
                      

                      Error Handling

                      • C doesNotRecognizeSelector:
                        

                        Archiving

                        • C awakeAfterUsingCoder:
                        • C classForCoder
                        • C classForKeyedArchiver
                        • + classFallbacksForKeyedArchiver
                        • + classForKeyedUnarchiver
                        • C replacementObjectForCoder:
                        • C replacementObjectForKeyedArchiver:
                        • + setVersion:
                        • + version
                          

                          Deprecated Methods

                          • C finalize
                            

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