By Aaron Hillegass, Joe Conway

during this booklet, the world's major Apple platform improvement running shoes supply an entire, useful, hands-on advent to iPhone and iPad programming. The authors stroll via the entire Apple instruments and applied sciences had to construct winning iPhone/iPad/iPod contact apps, together with the iOS 4.3 SDK, the Objective-C language, Xcode four, origin framework, and the periods that make up the iOS UI framework. the various themes coated during this booklet contain:

* simply establishing stylish, effective person interfaces with UIKit
* developing powerful visuals, animation, and results with middle images and middle Animation
* taking advantage of the iOS multi-touch occasion dealing with and accelerometer data
* development location-aware iOS functions using center situation and MapKit
* Localizing purposes for foreign use
* developing functions that catch audio and play media
* Storing info in documents or with center Data

New chapters additional to this variation comprise:

* iPad-friendly interfaces, together with UIPopoverController and UISplitViewController
* Blocks and Categories
* tools and Xcode’s static analyzer
* UIWebView and connecting with internet servers
* Push Notifications

iOS Programming additionally incorporates a convenient Xcode speedy Reference Card that lists Xcode 4's most typically used keyboard shortcuts.

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Extra info for iOS Programming: The Big Nerd Ranch Guide (2nd Edition) (Big Nerd Ranch Guides)

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H, declare accessor methods for the instance variables of Possession. You will need getters and setters for valueInDollars, possessionName, and serialNumber. For dateCreated, you only need a getter method. ) Now that these accessors have been declared, they need to be defined in the implementation file. m in the editor area by selecting it in the project navigator. At the top of any implementation file, you must import the header file of that class. The implementation of a class needs to know how it has been declared.

H, declare accessor methods for the instance variables of Possession. You will need getters and setters for valueInDollars, possessionName, and serialNumber. For dateCreated, you only need a getter method. ) Now that these accessors have been declared, they need to be defined in the implementation file. m in the editor area by selecting it in the project navigator. At the top of any implementation file, you must import the header file of that class. The implementation of a class needs to know how it has been declared.

In the bottom righthand corner of the editor area, click New Screenshot, and the screenshot will appear in the editor area. 25). 25 Taking a screenshot with Xcode Build and run the application. As the application launches, you will briefly see the launch image. 28 Launch Images A launch image must fit the screen of the device it is being launched on. 2 shows the different size images you will need for each type of device. ) Just like with application icons, there are tiles for different-sized images to support different devices.

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