Concepts in Objective-C Programming

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1、ConceptsinObjective-CProgrammingContentsAbouttheBasicProgrammingConceptsforCocoaandCocoaTouch7AtaGlance7HowtoUseThisDocument7Prerequisites8SeeAlso8ClassClusters9WithoutClassClusters:SimpleConceptbutComplexInterface9WithClassClusters:SimpleConceptandSimpl

2、eInterface10CreatingInstances10ClassClusterswithMultiplePublicSuperclasses11CreatingSubclassesWithinaClassCluster12ATrueSubclass12TrueSubclasses:AnExample14ACompositeObject16ACompositeObject:AnExample16ClassFactoryMethods20DelegatesandDataSources22HowDel

3、egationWorks22TheFormofDelegationMessages24DelegationandtheApplicationFrameworks25BecomingtheDelegateofaFrameworkClass26LocatingObjectsThroughthedelegateProperty27DataSources27ImplementingaDelegateforaCustomClass27Introspection29EvaluatingInheritanceRela

4、tionships29MethodImplementationandProtocolConformance30ObjectComparison31ObjectAllocation342012-01-09

5、Copyright©2012AppleInc.AllRightsReserved.2ContentsObjectInitialization35TheFormofInitializers35IssueswithInitializers36ImplementinganInitializer38Multip

6、leInitializersandtheDesignatedInitializer40Model-View-Controller43RolesandRelationshipsofMVCObjects43ModelObjectsEncapsulateDataandBasicBehaviors43ViewObjectsPresentInformationtotheUser44ControllerObjectsTietheModeltotheView44CombiningRoles45TypesofCocoa

7、ControllerObjects45MVCasaCompoundDesignPattern47DesignGuidelinesforMVCApplications50Model-View-ControllerinCocoa(OSX)52ObjectModeling53Entities53Attributes54Relationships55RelationshipCardinalityandOwnership56AccessingProperties57Keys57Values57KeyPaths58

8、ObjectMutability60WhyMutableandImmutableObjectVariants?60ProgrammingwithMutableObjects62CreatingandConvertingMutableObjects62StoringandReturningMutableInstanceVariables63ReceivingMutableObjects64MutableObjectsinCollections66Outlets67ReceptionistPattern68

9、TheReceptionistDesignPatterninPractice68WhentoUsetheReceptionistPattern712012-01-09

10、Copyright©2012AppleInc.AllRightsReserved.3ContentsTarget-Action73TheTarget73TheAction74Target-ActionintheAppKitFramework75Controls,Cells,a