Learning Objective-C 2.0 · A Hands-On Guide to Objective-C for Mac and iOS Developers · 2nd Edition by Clair, Robert -- Read -- Imperial Library of Trantor

Index

Title Page Copyright Page Praise for the First Edition of Learning Objective-C 2.0 Dedication Page Contents at a Glance Contents Preface

About This Book Who Should Read This Book What You Need to Know About the Examples About the Exercises Objective-C—A Moving Target ARC or Not How This Book Is Organized We Want to Hear from You! Reader Services

Acknowledgments About the Author Part I: Introduction to Objective-C

1. C, the Foundation of Objective-C

The Structure of a C Program Variables Operators Expressions and Statements Program Flow Preprocessor Command Line Compiling and Debugging Summary Exercises

2. More about C Variables

Memory Layout of a C Program Automatic Variables External Variables Declaration Keywords Scope Dynamic Allocation Summary Exercises

3. An Introduction to Object-Oriented Programming

Object-Oriented Programming An Introduction to Objective-C Objective-C Additions Summary

4. Your First Objective-C Program

Building with Xcode Objective-C Program Structure An Object-Oriented “Hello World” main.m Summary Exercises

Part II: Language Basics

5. Messaging

Methods Messaging Messaging Details Under the Hood Message Forwarding Efficiency Introspection and Other Runtime Fun Summary Exercises

6. Classes and Objects

Defining a Class Subclassing a Class Creating Objects Destroying Objects Copying Objects Summary Exercises

7. The Class Object

Class Objects Other Class Methods Mimicking Class Variables Summary Exercises

8. Frameworks

What Is a Framework? Cocoa and Cocoa Touch AppKit UIKit Core Foundation Core Graphics Core Animation Other Apple-Supplied Frameworks Third-Party Frameworks Under the Hood Summary

9. Common Foundation Classes

Immutable and Mutable Classes Class Clusters NSString Collection Classes NSNumber NSNull NSData NSURL Objective-C Literals and Object Subscripting Structures Geometry Structures on iOS Summary Exercises

10. Control Structures in Objective-C

if Statements for Statements and Implicit Loops while Statements and NSEnumerator Fast Enumeration An Example Using Fast Enumeration Exceptions Summary Exercises

11. Categories, Extensions, and Security

Categories Associative References Extensions Instance Variable Scope (Access Control) Hiding Your Instance Variable Declarations Access Control for Methods Namespaces Security Calling C Functions from Objective-C Summary Exercises

12. Properties

Accessing Instance Variables Outside of an Object (Don’t Do It) Declaring and Implementing Accessors Accessors Using Properties Synthesized Instance Variables @synthesize by Default Synthesis Summary Private Properties The @property Statement More about @dynamic Properties without Instance Variables Properties and Memory Management A Look Ahead at Automatic Reference Counting (ARC) Subclassing and Properties Hidden Setters for readonly Properties Properties as Documentation Dot Syntax Summary Exercises

13. Protocols

The Rationale for Protocols Using Protocols TablePrinter Example Protocol Objects and Testing for Conformance Informal Protocols Summary Exercises

Part III: Advanced Concepts

14. Memory Management Overview

The Problem The Solutions: Objective-C Memory Management Onward

15. Reference Counting

Reference Counting Basics Receiving Objects Ownership dealloc Returning Objects retainCount Multithreading When Retain Counts Go Bad Retain Cycles The Final Goodbye: When Programs Terminate Summary Exercises

16. ARC

What ARC Is and Is Not How ARC Works ARC Imposes Some Rules New Variable Qualifiers Properties Retain Cycles ARC and Core Foundation Casting to and from void* ARC and Extra Autorelease Pools ARC and Exceptions Using ARC ARC Uses Runtime Functions More Information Summary Exercises

17. Blocks

Function Pointers NSInvocation Blocks Some Philosophical Reservations Summary Exercises

18. A Few More Things

Enums with a Fixed Underlying Type Forward Declarations of Methods in the @implementation Block Are No Longer Needed Some New Documentation Summary Exercises

Part IV: Appendices

A. Reserved Words and Compiler Directives B. Toll-Free Bridged Classes C. 32- and 64-Bit

Kernel and User Programs in 64-Bit Coding Differences for 64-Bit Programs Performance Compiling for 32-Bit and 64-Bit More Information

D. The Fragile Base Class Problem E. Resources for Objective-C

Apple Resources Internet Resources Groups Books

Index Footnotes

Preface Chapter 1 Chapter 2 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 11 Chapter 12 Chapter 13 Chapter 17

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