Titlebook: Learn Cocoa Touch for iOS; Jeff Kelley Book 2012 Jeff Kelley 2012

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Objective-C in a Nutshell,anguage, covering new developments in its evolution as well as tried-and-true methods that are decades old. In this book, I#x2019;m assuming that you have at least a basic understanding of the C programming language. If you#x2019;re coming from a Java or C++ background, you can probably get by just

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Managing On-Screen Content with View Controllers,function: to display a list of contacts. When you tap a contact, another screen of content is displayed, this time detailing the contact you selected. Safari displays one web page at a time, the Settings app displays one group of settings at a time, and Mail displays a folder at a time and then disp

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Saving Content in Your App,other apps, downloading new ones, and even getting new devices. When they come back to your app, they want—and expect—everything to be just as they left it the last time they used it. Their data should be there (and unchanged), and even their user interface should be just as it was the last time the

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Handling User Touches, Instead of responding to keyboard key presses, mouse clicks, and mouseover events, the iPhone responds to .. Designing a user interface around touch is more than converting from clicks to taps. The iPhone offers .: when you place your finger on a message in Mail and move it down an inch, the conten

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Integrating Networking and Web Services,019;s to load graphics, post high scores to a Game Center leaderboard, or just report analytics data to its developer. At the same time, however, as developers, we must be judicious about how . data we use, what we send, and how we send it. Many customers are not on expensive, unlimited-data plans—e

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Hardware APIs,n writing native apps exclusively; by ., we mean an app written in Objective-C, compiled into a binary executable format, and installed on a device. The alternative, a . app, is written in HTML, CSS, and JavaScript; installed onto a server; and accessed via a browser—instead of being compiled into e

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