March 2014
Intermediate to advanced
672 pages
40h 11m
English
Content preview from The Core iOS Developer’s Cookbook, Fifth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The Layout
Figure 10-8 shows the layout that Recipe 10-6 builds. As users add new items, the circle grows more crowded, up to a maximum count of 20 items on the iPad and 8 on the iPhone. You can easily modify these limits in the add and delete methods to match the view sizes for your particular application.
Recipe 10-6 Laying Out Views in a Circle
@implementation CircleLayout { NSInteger numberOfItems; CGPoint centerPoint; CGFloat radius; NSMutableArray *insertedIndexPaths; NSMutableArray *deletedIndexPaths; } // Calculate and save off the current state - (void)prepareLayout { [super prepareLayout]; CGSize size = self.collectionView.frame.size; numberOfItems = [self.collectionView ...
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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.
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