| Dedication Acknowledgements About the Author Preface Part I: Introduction to Objective-C Chapter 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 Chapter 2: More About C Variables Memory Layout of a C Program Automatic Variables External Variables Declaration Keywords Scope Dynamic Allocation Summary Exercises Chapter 3: An Introduction to Object-Oriented Programming Object-Oriented Programming An Introduction to Objective-C Objective-C Additions Summary Chapter 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 Chapter 5: Messaging Methods Messaging Messaging Details Under the Hood Message Forwarding Efficiency Introspection and Other Runtime Fun Summary Exercises Chapter 6: Classes and Objects Defining a Class Subclassing a Class Creating Objects Destroying Objects Copying Objects Summary Exercises Chapter 7: The Class Object Class Objects Other Class Methods Mimicking Class Variables Summary Exercises Chapter 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 Chapter 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 Chapter 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 Chapter 11: Categories, Extensions, and Security Categories Associative References Extensions Hiding your Instance Variable Declarations Instance Variable Scope (Access Control) Access Control for Methods Namespaces Security Calling C Functions from Objective-C Summary Exercises Chapter 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 Chapter 13: Protocols Protocols Using Protocols TablePrinter Example Protocol Objects and Testing for Conformance Summary Exercises Part III: Advanced Concepts Chapter 14: Memory Management Overview The Problem The Solutions: Objective-C Memory Management Onward Chapter 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 Chapter 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 Chapter 17: Blocks Function Pointers The Trouble with Function Pointers NSInvocation Blocks Some Philosophical Reservations Summary Exercises Chapter 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 Appendix A: Reserved Words and Compiler Directives Appendix B: Toll-Free Bridged Classes Appendix C: 32- and 64-bit Appendix D: The Fragile Base Class Problem Appendix E: Resources for Objective -C Index |
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