John Ray's Sams Teach Yourself IOS 5 Application Development in 24 PDF

Tablets E Readers

By John Ray

ISBN-10: 067233576X

ISBN-13: 9780672335761

In exactly 24 periods of 1 hour every one, the right way to construct robust functions for today’s most well liked hand held units: the iPhone and iPad! utilizing this book’s basic, step by step method, you’ll grasp each ability and know-how you would like, from establishing your iOS improvement atmosphere to construction nice consumer interfaces, sensing movement to writing multitasking purposes. every one lesson builds on what you’ve already realized, supplying you with a rock-solid origin for real-world good fortune!   step by step directions rigorously stroll you thru the commonest iOS improvement initiatives.   Quizzes and routines on the finish of every bankruptcy assist you try your wisdom.   incidentally notes current attention-grabbing info on the topic of the dialogue.   do you know? information provide recommendation or convey you more uncomplicated how one can practice projects.   be careful! cautions warn you to attainable difficulties and provides you suggestion on find out how to steer clear of them.   revealed in complete color—figures and code look as they do in Xcode Covers iOS 5.0 and up discover ways to navigate the Xcode 4.2+ improvement surroundings organize your method and iDevice for effective improvement start fast with Apple’s Objective-C and Cocoa contact comprehend the Model-View-Controller (MVC) improvement paradigm Visually layout and code interfaces utilizing Xcode Storyboards, Segues, and the iOS item Library construct complicated UIs with Tables, cut up perspectives, Navigation Controllers, and extra learn and write personal tastes and information, and create procedure Settings plug-ins Use the iOS media playback and recording services Take images and manage photographs with center photo feel movement, orientation, and site with the accelerometer, gyroscope, and GPS combine on-line companies utilizing Twitter, e mail, net perspectives, and Google Maps Create common functions that run on either the iPhone and iPad Write background-aware multitasking functions hint and debug your functions as they run Covers iOS five, Xcode 4.2+, Storyboards, iPhone, iPad, and extra! extra documents and updates on hand on-line

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Removing Files and Resources If you’ve added something to Xcode that you decide you don’t want, you can delete it easily. To remove a file or resource from your project, simply select it within the Project Navigator and press the Delete key. 8). If you choose to delete references, the file itself will remain but will no longer be visible in the project. Did You Know? 8 Deleting a file’s reference leaves the actual file untouched. By the Way If Xcode can’t find a file that it expects to be part of a project, that file is highlighted in red in the Xcode interface.

Using Code Completion Using the Xcode editor, type the following text to implement the application:didFinishLaunchingWithOptions method. Start a new line immedi- ately following the line with text “Override point for customization after application launch” (a comment). 1. window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; // Override point for customization after application launch. window makeKeyAndVisible]; return YES; } Watch Out! Haste Makes Waste If you decide to skip ahead and run this application, you’ll quickly realize that the code you entered is not going to work.

5 Use the Project Navigator to browse your project resources. By the Way Project Navigator The folders you see in Xcode are logical groupings. You won’t find all these files in your project directory, nor will you find the same folder structure. The Xcode layout is designed to help you find what you’re looking for easily, not to mirror a file system structure. Using Xcode 31 Within the project group are three subgroups that you’ll find useful: Project Code: Named after the project, this folder contains the code for the class files and resources that you add to your project.

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Sams Teach Yourself IOS 5 Application Development in 24 Hours by John Ray

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