Animation Types and Timing Programming Guide.pdf

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1、AnimationTypesandTimingProgrammingGuideContentsIntroductiontoAnimationTypesandTimingProgrammingGuide4OrganizationofThisDocument4SeeAlso4AnimationClassRoadmap6Timing,Timespaces,andCAAnimation8MediaTimingProtocol8RepeatingAnimations9FillMode9AnimationPacing9

2、AnimationDelegates11Property-BasedAnimations12Property-BasedAbstraction12BasicAnimations13ConfiguringaBasicAnimation’sInterpolationValues13AnExampleBasicAnimation14KeyframeAnimations15ProvidingKeyframeValues15KeyframeTimingandPacingExtensions16AnExampleKey

3、frameAnimation16TransitionAnimation18CreatingaTransitionAnimation18ConfiguringaTransition18DocumentRevisionHistory202010-05-18

4、Copyright©2010AppleInc.AllRightsReserved.2Figures,Tables,andListingsAnimationClassRoadmap6Figure1CoreAnimationclassesandprotocol7

5、Timing,Timespaces,andCAAnimation8Figure1CubicBeziercurverepresentationsofthepredefinedtimingfunctions10Listing1CustomCAMediaTimingFunctioncodefragment11Property-BasedAnimations12Figure13secondbasicanimationofalayer’spositionproperty13Figure25secondkeyframe

6、animationofalayer’spositionproperty15Listing1CABasicAnimationcodefragment14Listing2CAKeyframeAnimationcodefragment16TransitionAnimation18Table1DefaultCATransitionpropertyvalues18Table2Commontransitiontypes19Table3Commontransitionsubtypes192010-05-18

7、Copyri

8、ght©2010AppleInc.AllRightsReserved.3IntroductiontoAnimationTypesandTimingProgrammingGuideThisdocumentdescribesthefundamentalconceptsinvolvingthetimingandanimationclassesusedwithCoreAnimation.CoreAnimationisanObjective-Cframeworkthatcombinesahigh-performanc

9、ecompositingenginewithasimpletouseanimationprogramminginterface.Note:Animationisaninherentlyvisualmedium.TheHTMLversionofAnimationTypesandTimingProgrammingGuidecontainsQuickTimemovies(alongwithstaticimages)thatshowexampleanimationstohelpillustrateconcepts.

10、ThePDFversioncontainsonlythestaticimages.YoushouldreadthisdocumenttogainanunderstandingofworkingwithCoreAnimationinaCocoaapplication.TheObjective-C2.0ProgrammingLanguageshouldbeconsideredaprerequisitebecauseC