Size Classes and Adaptivity

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Remarks

As you build adaptive apps, keep in mind the limitations of size classes: they are generalizations, not specific guides for exact pixel sizes or devices. Never attempt to determine what device your app is running on, or whether it’s in a split-screen mode, based on the size classes.

Instead, make high-level layout decisions on size class, and use Auto Layout to change precise view frames. (See also the UIViewController method viewWillTransition(to:with:) for a more precise notification of how big a controller’s view will be after a transition.)

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Size Classes and Adaptivity:
* Size Classes and Adaptivity

Table Of Contents
12 UIView
15 UIColor
26 UIImage
28 CALayer
30 NSDate
40 iBeacon
49 NSTimer
79 NSURL
84 Size Classes and Adaptivity
87 AWS SDK
96 NSData
101 Segues
104 EventKit
105 NSBundle
106 SiriKit
111 StoreKit
117 3D Touch
119 Keychain
122 Block
141 AirDrop
144 UISlider
145 Carthage
146 HealthKit
151 plist
157 MVVM
164 UIPhoenix
166 Simulator
168 NSArray
169 OpenGL
175 Core Data
179 MyLayout
180 UIFont
189 Security
200 Codable