Download iOS SDK Development by Bill Dudney, Chris Adamson PDF

By Bill Dudney, Chris Adamson

Chris Adamson and invoice Dudney, "iOS SDK Development"
English | ISBN: 1934356948 | 2012 | three hundred pages | PDF | 14 + eight MB

Welcome to the recent state-of-the-art improvement for iOS, with the substantially overhauled Xcode four toolchain and iOS five SDK. With this publication you'll speed up your improvement for iPhone, iPad and iPod contact. you are going to research the recent instruments like Storyboards, perform on new APIs just like the Twitter framework and use the most recent gains of the Objective-C 2.0 programming language.

Since the iPhone's release in 2008, the iOS platform has additional new machine households, hundreds of thousands of latest APIs, new instruments and programming practices, and thousands of latest apps. iOS SDK improvement is the second one variation of the bestselling iPhone SDK improvement, thoroughly rewritten from the floor as much as hide iOS 5's new features.

You'll get hands-on event operating with Objective-C and Xcode four as you're employed via this tutorial-style ebook with skilled iOS builders by way of your part. alongside the way in which, you'll examine the basics of maintainable, performant iOS programming, including:

Making apps which are multi-core-capable, testable, internationalizable, and that use much less memory.

Understanding the underlying suggestions of contact occasion dealing with, drawing and animation, multi-core concurrency, and reminiscence administration with iOS 5's new automated Reference Counting.

Creating and utilizing unit assessments to make sure your app maintains to paintings as meant whilst the codebase evolves.

Working via Apple's App shop techniques, together with getting ready apps for submission, fending off rejections, and figuring out crash studies from finish users.

Whether you're a first-time iOS developer, or you're trying to wake up to hurry with the entire alterations to Apple's instruments and frameworks, iPhone SDK improvement is the forged grounding you must grasp this well known platform.

What You Need:

You want a Mac operating Mac OS X Lion (10.7) and Xcode four.

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Extra resources for iOS SDK Development

Sample text

To create a class method, which applies to the class as a whole instead of to an instance, we would use +. report erratum • discuss Methods and Messaging • 29 • The parentheses indicate the return type of the method. IBAction is something of a special case: while it is technically equivalent to C’s void, meaning the method doesn’t return anything, we use it to indicate that the method can receive connections in Interface Builder. • handleTweetButtonTapped: is the name of the method. This method takes one parameter, as indicated by the colon (:) character.

Click the plus (+) button at the bottom of the Linked Frameworks and Libraries section. This slides out the libraries and frameworks sheet shown in Figure 14, Adding a framework to an Xcode project, on page 23. framework and add it to the project. framework toolbox icon to the file navigator. We can drag this toolbox to the Frameworks group, but it’s purely cosmetic and not necessary. There’s a simple rule of thumb for all of this. Anytime we use a class that’s not in UIKit, Core Graphics, or Foundation—something we can check by looking at the documentation for the class we want to use, which indicates its library or framework—we need to #import the library or header to satisfy the compiler and add it to the list of linked libraries and frameworks to make report erratum • discuss Coding the App • 23 Figure 14—Adding a framework to an Xcode project the linker happy.

Simply put, ARC figures out where all the retain and release calls should go and silently adds them as part of the compile. ARC figures out memory management by turning what had been conventions for method naming into enforceable rules. For example, methods with alloc, copy, or new are assumed to return objects that must be memory managed; other methods don’t. One curious side effect of this is that we can’t use new in the name of a variable (like newName), since new as a method name is a littleused synonym for a combined alloc and init, and this confuses ARC.

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