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Developing an iOS 7 Edge by Hiedi Utley, Engin Kurutepe, Michael Ang, Josh Brown, Doron Katz, Cody Ray

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2. Dynamic Animations with a Physical Feel

  • What you can do with the new UI dynamics
  • The animator and dynamic behaviors
  • Getting physical with gravity and collisions
  • Feeling attached (what a drag)
  • Adding springiness and changing properties
  • Predefined behaviors (oh, snap!)
  • Going further

 

Adding physical interaction to your virtual interface

The new UIKit Dynamics introduced in iOS7 gives you the ability to incorporate simulated physical "behaviors" in your user interface. Your first experience with UIKit Dynamics will likely be with the new lock screen. After you lock your phone, notice that if you pull up on the camera icon a short distance, the screen will "fall" back down gently. If you pull up far, the screen accelerates down with simulated ...

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