Get a solid grounding in the fundamentals of Cocoa Touch, and
avoid problems during iPhone and iPad app development. With this
revised and expanded edition, you'll dig into Cocoa and learn how
to work effectively with Objective-C and Xcode. This book covers
iOS 5 and Xcode 4.3 in a rigorous, orderly fashion--ideal whether
you're approaching iOS for the first time or need a reference to
bolster existing skills.
Many discussions have been expanded or improved. All code
examples have been revised, and many new code examples have been
added. The new memory management system--ARC--is thoroughly
explained and all code examples have been revised to use it. New
Objective-C features, such as declaration of instance variables in
the class's implementation section, are described and incorporated
into the revised example code. Discussion of how an app launches,
and all code examples, are revised for project templates from Xcode
4.2 and later. Other new Xcode features, including the Simulator's
Debug menu, are covered, with screen shots based on Xcode 4.2 and
later. The discussion of Instruments is expanded, with screen
shots--by popular request Storyboards are explained and discussed.
The explanation of view controllers is completely rewritten to
include iOS 5 features, such as custom parent view controllers and
UIPageViewController. The Controls chapter now includes iOS 5
interface customizability and the appearance proxy. New features of
interface classes are discussed, including tiling and animated
images, new table view features, new alert view styles. Coverage of
frameworks such as Core Motion and AV Foundation is greatly
expanded. New iOS 5 classes and frameworks are also discussed,
including Core Image and UIDocument (and iCloud support). Important
iOS 5 changes that can break existing code are explicitly called
out in the text and listed in the index.
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