Titlebook: Learn Objective-C on the Mac; For OS X and iOS Scott Knaster,Waqar Malik,Mark Dalrymple Book 2012Latest edition Scott Knaster and Mark Dalr

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A Quick Tour of the Foundation Kit,re going to take a quick side trip and have a look at Cocoa’s Foundation framework. Although strictly part of Cocoa and not built in to Objective-C, the Foundation framework is so important that we thought it worth exploring in this book.

消息灵通

Object Initialization,iques are equivalent, but the common Cocoa convention is to use alloc and init rather than new. Typically, Cocoa programmers use new as training wheels until they have enough background to be comfortable with alloc and init. It’s time for your training wheels to come off.

Hectic

Categories,to jump through. For example, you might have designed a new kind of tire, so you’d subclass Tire and add the new cool stuff. When you want to add behavior to an existing class, you’ll often create a subclass.

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Introduction to the Application Kit,t to the console. That’s fine for getting your feet wet, but the real fun begins when you see a Mac-like interface that includes things you can click and play with. We’ll take a detour in this chapter to show you some highlights of the Application Kit (or AppKit), Cocoa’s user-interface treasure trove for OS X.

Hallmark

Using the Static Analyzer,e. In an effort to move beyond this kind of warning, a few years ago, Apple added a . to Xcode version 3.2. The static analyzer is a tool that logically examines your code without actually running it, looking for errors that can turn into bugs. In this chapter, we’ll take a look at how you can use the static analyzer to find problems in your code.

Acetabulum

Scott Knaster,Waqar Malik,Mark DalrympleLearn to write apps for some of today‘s hottest technologies, including the i. Phone and i. Pad (using i. OS), as well as the Mac (using OS X)..Learn Objective-C on the Mac:.For OS X and i. OS, Second

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Hello,Welcome to .! This book is designed to teach you the basics of the Objective-C language. Objective-C is a superset of C and is the language used by many (if not most) applications that have a true OS X or iOS look and feel.

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Extensions to C,Objective-C is nothing more than the C language with some extra features drizzled on top—it’s delicious! In this chapter, we’ll cover some of those key extras as we take you through building your first Objective-C program—and your second one too.