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
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Collection View Layout Changes
In the sample app, tap the Custom Flow item in the menu. Perform a pinch-out gesture on any image in the view, and observe the layout changing to a new layout with animations. The cells will all move from their original positions to the new positions, and the collection view will be scrolled to display the pinched cell in the center of the view. The logic to do this is set up in the PHGCustomLayoutViewController. When the view controller is loaded, two pinch gesture recognizers are created and stored in properties. The gesture recognizer for a pinch out is added to the collection view. For more information on gesture recognizers, refer to Chapter 22, “Gesture Recognizers.”
self.pinchIn ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.