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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Summary
This chapter introduced several techniques to process long-running tasks without interfering with the UI, including performSelectorInBackground:withObject:, operation queues, and Grand Central Dispatch queues.
Using the performSelectorInBackground:withObject: method on NSObject to execute a task in the background is the simplest approach, but provides the least support and management.
Operation queues can process tasks concurrently or serially, using a method call, a block, or a custom operation class. Operation queues can be managed by specifying a maximum number of concurrent operations, they can be suspended and resumed, and all the outstanding operations can be canceled. Operation queues can handle custom operation classes. Operation ...
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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.