Information Technology

Programming iOS 5

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With the advent of version 2 of the iPhone system, Apple proved they could do a remarkable thing — adapt their existing Cocoa computer application programming framework to make applications for a touch-based device with limited memory and speed and a dauntingly tiny display. The resulting Cocoa Touch framework, in fact, turned out to be in many ways better than the original Cocoa. A programming framework has a kind of personality, an overall flavor that provides an insight into the goals and mindset of those who created it. When I first encountered Cocoa Touch, my assessment of its personality was: “Wow, the people who wrote this are really clever!” On the one hand, the number of built-in interface widgets was severely and deliberately limited; on the other hand, the power and flexibility of some of those widgets, especially such things as UITableView, was greatly enhanced over their Mac OS X counterparts. Even more important, Apple created a particularly brilliant way (UIViewController) to help the programmer make entire blocks of interface come and go and supplant one another in a controlled, hierarchical manner, thus allowing that tiny iPhone display to unfold virtually into multiple interface worlds within a single app without the user becoming lost or confused.

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Series Title

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Call Number

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Publisher

: ., 2011

Collation

1-928

Language

English

ISBN/ISSN

978-1-449-31934-2

Classification

NONE

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Edition

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Subject(s)

Programming iOS 5

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