《ios动画编程文档》

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1、CoreAnimationProgrammingGuideContentsAboutCoreAnimation9AtaGlance9CoreAnimationManagesYourApp’sContent10LayerModificationsTriggerAnimations10LayersCanBeOrganizedintoHierarchies10ActionsLetYouChangeaLayer’sDefaultBehavior10HowtoUseThisDocument11Prerequ

2、isites11SeeAlso11CoreAnimationBasics12LayersProvidetheBasisforDrawingandAnimations12TheLayer‐BasedDrawingModel12Layer‐BasedAnimations13LayerObjectsDefineTheirOwnGeometry14LayersUseTwoTypesofCoordinateSystems15AnchorPointsAffectGeometricManipulations17

3、LayersCanBeManipulatedinThreeDimensions19LayerTreesReflectDifferentAspectsoftheAnimationState21TheRelationshipBetweenLayersandViews24SettingUpLayerObjects26EnablingCoreAnimationSupportinYourApp26ChangingtheLayerObjectAssociatedwithaView27ChangingtheLa

4、yerClassUsedbyUIView27ChangingtheLayerClassUsedByNSView28LayerHostingLetsYouChangetheLayerObjectinOSX28DifferentLayerClassesProvideSpecializedBehaviors29ProvidingaLayer’sContents30UsinganImagefortheLayer’sContent30UsingaDelegatetoProvidetheLayer’sCont

5、ent30ProvidingLayerContentThroughSubclassing32TweakingtheContentYouProvide33WorkingwithHigh‐ResolutionImages352013‐01‐28

6、©2013AppleInc.AllRightsReserved.2ContentsAdjustingaLayer’sVisualStyleandAppearance35LayersHaveTheirOwnBackgroundandBorder36LayersS

7、upportaCornerRadius37LayersSupportBuilt‐InShadows38FiltersAddVisualEffectstoOSXViews39TheLayerRedrawPolicyforOSXViewsAffectsPerformance40AddingCustomPropertiestoaLayer42PrintingtheContentsofaLayer‐BackedView42AnimatingLayerContent43AnimatingSimpleChan

8、gestoaLayer’sProperties43UsingaKeyframeAnimationtoChangeLayerProperties45SpecifyingKeyframeValues46SpecifyingtheTimingofaKeyframeAnimation46StoppinganExplicitAnimationWhileItIsRunning47AnimatingMultipleChangesTogether48DetectingtheEndofanAnimation49Ho

9、wtoAnimateLayer‐BackedViews50RulesforModifyingLayersiniOS50RulesforModifyingLayersinOSX51RemembertoUpdateViewConstraintsasPartofYourAnimation52BuildingaLayerHierarchy53ArrangingLayersintoaLayerHierarchy53Adding,Inserting,andRemovingSublayers53