Objective-C程序设计（第6版）英文版

内容概要

Stephen G. Kochan 是多本畅销书的作者或合著者， 其中有关于C 语言的， 包括Programming in C（Sams，2004）、Programming in ANSI C（Sams，1994） 和Topics in CProgramming（Wiley，1991），也有关于UNIX 的，包括Exploring the UNIX System（Sams，1992）和UNIX Shell Programming（Sams，2003）。从1984 年Mac 最初引进时，他就开始在Macintosh 计算机上编程了，他编写的Programming C for the Mac 是Apple Press Library的一部分。2003 年，Kochan 编写了Programming in Objective-C（Sams，2003），之后编写了另一本与Mac 有关的书籍Beginning AppleScript（Wiley，2004）。

技术审校人员简介

Michael Trent 从1997 年开始使用Objective-C 编程，之前在Mac 上编程。他定期为Steven Frank 的网站（www.cocoadev.com）供稿，为大量的书籍和杂志文章做过技术审校，偶尔也涉足Mac OS X 开源项目。目前，他正在使用Objective-C 和苹果计算机的Cocoa 框架生成Mac OS X 使用的专业视频应用程序。Michael 拥有比洛特学院（位于威斯康辛州比洛特）的计算机科学学士学位和音乐艺术学位。他与妻子Angela 居住在加利福尼亚州的圣克拉拉。

Wendy Mui 是旧金山湾区的程序员和软件开发经理。她通过Steve G. Kochan 的Programming in Objective-C, 2e 学习了Objective-C，在Bump Technologies 公司找到了一份工作，将她的编程技能用在客户端应用程序和Bump 第三方开发者使用的API/SDK 上。在从事iOS 开发之前，Wendy 在位于硅谷和加利福尼亚的Sun 公司及其他科技公司工作。她迷上编程是在加州大学伯克利分校获得数学硕士学位的时候。Wendy 不工作的时候，就在冲击她的跆拳道黑带四段。

书籍目录

1 Introduction

What You Will Learn from This Book

How This Book Is Organized

Support

Acknowledgments

Preface to the Sixth Edition

I: The Objective-C Language

2 Programming in Objective-C

Compiling and Running Programs

Using Xcode

Using Terminal

Explanation of Your First Program

Displaying the Values of Variables

Summary

Exercises

3 Classes, Objects, and Methods

What Is an Object, Anyway?

Instances and Methods

An Objective-C Class for Working with Fractions

The  @interface Section

Choosing Names

Class and Instance Methods

The  @implementation Section

The  program Section

Accessing Instance Variables and Data Encapsulation

Summary

Exercises

4 Data Types and Expressions

Data Types and Constants

Type  int

Type  float

Type  char

Qualifiers:  long, long long, short, unsigned, and signed

Type  id

Arithmetic Expressions

Operator Precedence

Integer Arithmetic and the Unary Minus Operator

The Modulus Operator

Integer and Floating-Point Conversions

The Type Cast Operator

Assignment Operators

A Calculator Class

Exercises

5 Program Looping

The  for Statement

Keyboard Input

Nested  for Loops

for Loop Variants

The  while Statement

The  do Statement

The  break Statement

The  continue Statement

Summary

Exercises

6 Making Decisions

The  if Statement

The  if-else Construct

Compound Relational Tests

Nested  if Statements

The  else if Construct

The  switch Statement

Boolean Variables

The Conditional Operator

Exercises

7 More on Classes

Separate Interface and Implementation Files

Synthesized Accessor Methods

Accessing Properties Using the Dot Operator

Multiple Arguments to Methods

Methods without Argument Names

Operations on Fractions

Local Variables

Method Arguments

The  static Keyword

The  self Keyword

Allocating and Returning Objects from Methods

Extending Class Definitions and the Interface File

Exercises

8 Inheritance

It All Begins at the Root

Finding the Right Method

Extension through Inheritance: Adding New Methods

A Point Class and Object Allocation

The  @class Directive

Classes Owning Their Objects

Overriding Methods

Which Method Is Selected?

Abstract Classes

Exercises

9 Polymorphism, Dynamic Typing, and Dynamic Binding

Polymorphism: Same Name, Different Class

Dynamic Binding and the  id Type

Compile Time Versus Runtime Checking

The  id Data Type and Static Typing

Argument and Return Types with Dynamic Typing

Asking Questions about Classes

Exception Handling Using  @try

Exercises

10 More on Variables and Data Types

Initializing Objects

Scope Revisited

More on Properties, Synthesized Accessors, and Instance Variables

Global Variables

Static Variables

Enumerated Data Types

The  typedef Statement

Data Type Conversions

Conversion Rules

Bit Operators

The Bitwise AND Operator

The Bitwise Inclusive-OR Operator

The Bitwise Exclusive-OR Operator

The Ones Complement Operator

The Left-Shift Operator

The Right-Shift Operator

Exercises

11 Categories and Protocols

Categories

Class Extensions

Some Notes about Categories

Protocols and Delegation

Delegation

Informal Protocols

Composite Objects

Exercises

12 The Preprocessor

The  #define Statement

More Advanced Types of Definitions

The  #import Statement

Conditional Compilation

The  #ifdef ,  #endif ,  #else , and  #ifndef Statements

The  #if and  #elif Preprocessor Statements

The  #undef Statement

Exercises

13 Underlying C Language Features

Arrays

Initializing Array Elements

Character Arrays

Multidimensional Arrays

Functions

Arguments and Local Variables

Returning Function Results

Functions, Methods, and Arrays

Blocks

Structures

Initializing Structures

Structures within Structures

Additional Details about Structures

Don’t Forget about Object-Oriented Programming!

Pointers

Pointers and Structures

Pointers, Methods, and Functions

Pointers and Arrays

Operations on Pointers

Pointers and Memory Addresses

They’re Not Objects!

Miscellaneous Language Features

Compound Literals

The  goto Statement

The Null Statement

The Comma Operator

The  sizeof Operator

Command-Line Arguments

How Things Work

Fact 1: Instance Variables Are Stored in Structures

Fact 2: An Object Variable Is Really a Pointer

Fact 3: Methods Are Functions, and Message Expressions Are Function Calls

Fact 4: The  id Type Is a Generic Pointer Type

Exercises

II: The Foundation Framework

14 Introduction to the Foundation Framework

Foundation Documentation

15 Numbers, Strings, and Collections

Number Objects

String Objects

More on the  NSLog Function

The  description Method

Mutable Versus Immutable Objects

Mutable Strings

Array Objects

Making an Address Book

Sorting Arrays

Dictionary Objects

Enumerating a Dictionary

Set Objects

NSIndexSet

Exercises

16 Working with Files

Managing Files and Directories:  NSFileManager

Working with the  NSData Class

Working with Directories

Enumerating the Contents of a Directory

Working with Paths:  NSPathUtilities.h

Common Methods for Working with Paths

Copying Files and Using the  NSProcessInfo Class

Basic File Operations:  NSFileHandle

The  NSURL Class

The  NSBundle Class

Exercises

17 Memory Management and Automatic Reference Counting

Automatic Garbage Collection

Manual Reference Counting

Object References and the Autorelease Pool

The Event Loop and Memory Allocation

Summary of Manual Memory Management Rules

Automatic Reference Counting

Strong Variables

Weak Variables

@autoreleasepool Blocks

Method Names and Non-ARC Compiled Code

18 Copying Objects

The  copy and  mutableCopy Methods

Shallow Versus Deep Copying

Implementing the   Protocol

Copying Objects in Setter and Getter Methods

Exercises

19 Archiving

Archiving with XML Property Lists

Archiving with  NSKeyedArchiver

Writing Encoding and Decoding Methods

Using  NSData to Create Custom Archives

Using the Archiver to Copy Objects

Exercises

III: Cocoa, Cocoa Touch, and the iOS SDK

20 Introduction to Cocoa and Cocoa Touch

Framework Layers

Cocoa Touch

21 Writing iOS Applications

The iOS SDK

Your First iPhone Application

Creating a New iPhone Application Project

Entering Your Code

Designing the Interface

An iPhone Fraction Calculator

Starting the New Fraction_Calculator Project

Defining the View Controller

The  Fraction Class

A  Calculator Class That Deals with Fractions

Designing the User Interface

Summary

Exercises

Appendixes

A Glossary

B Address Book Example Source Code

Index

作者简介

本书是为在苹果iOS 和OS X 平台上，使用Objective-C 语言和面向对象程序设计模式进行专业开发而编写的简洁、细致的入门读物。本书假设读者无面向对象程序语言或C 语言编程经验，以保障初学者与有经验的程序员一样，可用本书迅速和有效地学习Objective-C。本书提供的学习方法独特，配有众多程序示例及章末练习，适合自学和课堂教学。第6 版已全面更新，充分纳入Objective-C 的新功能与技术，同时覆盖对新版Xcode、iOS 和Mac OS X Mavericks 的介绍。

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