November 2013
Intermediate to advanced
576 pages
19h 3m
English
book
iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
by Kyle Richter, Joe Keeley
Content preview from iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
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Springs
Springs (shown in Figure 1.3) are an extension of the behavior of attachments. UIKitDynamics allows for additional properties to be set on UIAttachmentBehavior, frequency and damping.
Figure 1.3 A spring effect attaching the dragon image to the frog, which demonstrates using the effects of gravity as well as UIAttachmentBehavior damping and frequency.
The following section of the sample app adds three new properties after creating the UIAttachmentBehavior. The first, setFrequency, sets the oscillation or swing for the object. Next, setDamping evens out the animation peaks. The length is also adjusted for this example from its initial ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.