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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Implementing Quick Look
Implementing Quick Look requires just a few simple steps:
1. Declare the QLPreviewControllerDataSource protocol in your primary controller class.
2. Implement the numberOfPreviewItemsInPreviewController: and preview-Controller:previewItemAtIndex: data source methods. The first of these methods returns a count of items to preview. The second returns the preview item referred to by the index.
3. Ensure that preview items conform to the QLPreviewItem protocol. This protocol consists of two required properties: a preview title and an item URL. Recipe 11-5 creates a conforming QuickItem class. This class implements an absolutely minimal approach to support the data source.
Once these requirements are met, your code is ready ...
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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.