Adjusting a Layer’s Visual Style and Appearance 35
Layers Have Their Own Background and Border 36
Layers Support a Corner Radius 37
Layers Support Built-In Shadows 38
Filters Add Visual Effects to OS X Views 39
The Layer Redraw Policy for OS X Views Affects Performance 40
Adding Custom Properties to a Layer 42
Printing the Contents of a Layer-Backed View 42
Animating Layer Content 43
Animating Simple Changes to a Layer’s Properties 43
Using a Keyframe Animation to Change Layer Properties 45
Specifying Keyframe Values 46
Specifying the Timing of a Keyframe Animation 46
Stopping an Explicit Animation While It Is Running 47
Animating Multiple Changes Together 48
Detecting the End of an Animation 49
How to Animate Layer-Backed Views 50
Rules for Modifying Layers in iOS 50
Rules for Modifying Layers in OS X 51
Remember to Update View Constraints as Part of Your Animation 52
Building a Layer Hierarchy 53
Arranging Layers into a Layer Hierarchy 53
Adding, Inserting, and Removing Sublayers 53
Positioning and Sizing Sublayers 54
How Layer Hierarchies Affect Animations 55
Adjusting the Layout of Your Layer Hierarchies 55
Using Constraints to Manage Your Layer Hierarchies in OS X 55
Setting Up Autoresizing Rules for Your OS X Layer Hierarchies 59
Manually Laying Out Your Layer Hierarchies 60
Sublayers and Clipping 60
Converting Coordinate Values Between Layers 61
Advanced Animation Tricks 63
Transition Animations Support Changes to Layer Visibility 63
Customizing the Timing of an Animation 65
Pausing and Resuming Animations 66
Explicit Transactions Let You Change Animation Parameters 67
Adding Perspective to Your Animations 69
2013-01-28 | Copyright © 2013 Apple Inc. All Rights Reserved.
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