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More iPhone 3 Development: Tackling iPhone SDK 3
book

More iPhone 3 Development: Tackling iPhone SDK 3

by Dave Mark, Jeff LaMarche
January 2010
Beginner to intermediate content levelBeginner to intermediate
576 pages
14h 57m
English
Apress
Content preview from More iPhone 3 Development: Tackling iPhone SDK 3

Chapter 14. Keeping Your Interface Responsive

As we've mentioned a few times in this book, if you try to do too much at one time in an action or delegate method, or in a method called from one of those methods, your application's interface can skip or even freeze while the long-running method does its job. As a general rule, you do not want your application's user interface to ever become unresponsive. Your user will expect to be able to interact with your application at all times, or at the very least will expect to be kept updated by your user interface when they aren't allowed to interact with it.

In computer programming, the ability to have multiple sets of operations happening at the same time is referred to, generally, as concurrency. You've ...

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Publisher Resources

ISBN: 9781430225058Purchase book