Objective-C 20 中文版.doc

Objective-C 2.0 with Cocoa Foundation/yaski/1iPhoneiPod TouchiPhoneiPhoneiPhoneiTunesiPhoneiTunesOKiPhoneiPhoneiPhoneiPhoneiPhoneObjective-CObjective-CiPhoneObjective-CiPhoneSDKObjective-CiPhoneObjective-CObjective-CSDKNSString, NSArrayNSString, NSArray1.1,iPhoneiPhoneWindowsiPhone1.2, Intel PCMAC OSXCODEXCODEXCODEMAC OSXCODEMAC OSC,C+,JAVAiPhone() iPod Touch1.3 ,1.4,12 Hello,World3 45ClassSelector6NSObject789101112(Categories)13(Protocols)14Delegate1516171819XMLObjective-C 2.0 with Cocoa Foundation - 2Hello,WorldXcode2.1,Hello, WorldXcodeWelcome to XcodeFile-New Project,Command Line Utility Foundation Tool,Choose.2.12-1iPhoneiPhone OSApplicationObjective-CXcodeSave As02-Hello WorldSave2-22-22-302-Hello WorldSource.DocumentationExternal Frameworks and LibrariesProducts02-Hello WorldFinderSource2-3RunConsole2-4Build and Go2-4Hello Wolrd! Hello World2.2JavaC/C+javajar packageC/C+.h Objective-CObjective-CXcodeSource02-Hello World.mXcode02-Hello World.mJava.javaC/C+c/cpp.mXcode.mObjective-CXcodec/cppjavaXcode.m1#import23intmain(intargc,constchar*argv)4NSAutoreleasePool*pool=NSAutoreleasePoolallocinit;56/insertcodehere7NSLog(Hello,World!);8pooldrain;9return0;1011C/C+JavaC/C+#includejavaimport#importC/C+#include#ifdefXcode#import#include-Foundation.hFoundation frameworkFoundationCocoaCocoaApplication KitUIKitMAC OSiPhone OSFoundationObjective-CMAC OSCocoaiPhoneCocoaiPhoneMAC OS2.3mainC/C+java3mainmainC/C+mainjavaObjective-CCObjective-CCObjective-CCmainC2.4NSAutoreleasePool-4NSAutoreleasePoolNSAutoreleasePoolNSNSNSNeXTStepNeXT SoftwareNeXT SoftwareCocoaNSNSNSObjective-CnamespaceAutoreleasePoolObjective-CCocoaGarbage CollectionjavaiPhoneGarbage CollectionGarbage CollectionGarbage CollectionReference Counted0A01allocB12retainAA1releaseB1release(Foundation)0deallocFoundationABABABCOMRelease/AddRefObejctive-CAutoreleasealloc-retain-release-deallocAutoreleaseAutorelease1NSAutoreleasePooldrainCocoapoolpool()drainiPhoneAutoreleaseAutoreleaseObjective-CAutoreleaseAutoreleaseHello WorldPoolPoolPoolCObjective-CCC 2.5NSAutoreleasePool alloc init;4Objective-CNSAutoreleasePool alloc initNSAutoreleasePoo2.6Objective-C6/C+JavaObjective-CCC/*/Objective-C2.77NSLogNSLogXcodeHello, World!NSLogCprintfObjective-CprintfObjective-CCNSLogNSStringCCCCCObjective-CNSStringNSLogNSLogCocoaNSString NSStringC2.8Xcode.mObjective-CClassObjective-C 2.0 with Cocoa Foundation- 1Objective-C 2.0 with Cocoa Foundation - 3,Objective-C 2.0 with Cocoa Foundation- 4Objective-C 2.0 with Cocoa Foundation- 5ClassSelectorObjective-C 2.0 with Cocoa Foundation- 6NSObjectObjective-C 2.0 with Cocoa Foundation- 7Objective-C 2.0 with Cocoa Foundation - 3ObejctiveCHello, World!Objective-CObjective-CJava3.1,Cattle,main3-13-13.203-Hello ClassHello CattleSourceAddNew File. 3-23-2Cocoa Touch ClassesNSObject subclassNext3-3New FileFile NameCattle.mXcode.mObjective-CAlso create Cattel.h3-45Cattle.h#import interface Cattle : NSObject int legsCount;- (void)saySomething;- (void)setLegsCount:(int) count;endlegsCattlelegsBullBullCattle.m#importCattle.himplementationCattle-(void)saySomethingNSLog(Hello,Iamacattle,Ihave%dlegs.,legsCount);-(void)setLegsCount:(int)countlegsCount=count;end03-Hello Class.m #import#importCattle.hintmain(intargc,constchar*argv)NSAutoreleasePool*pool=NSAutoreleasePoolallocinit;idcattle=Cattlenew;cattlesetLegsCount:4;cattlesaySomething;pooldrain;return0;RunConsoleConsoleBuild and Go3-1