Objective-C Fundamentals

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author online Purchase of Objective-C Fundamentals includes free access to a private web forum run by Manning Publications where you can make comments about the book, ask technical questions, and receive help from the authors and from other users. To access the forum and subscribe to it, point your web browser to www.manning.com/Objective- CFundamentals. This page provides information on how to get on the forum once you’re registered, what kind of help is available, and the rules of conduct on the forum. Manning’s commitment to our readers is to provide a venue where a meaningful dialog between individual readers and between readers and the authors can take place. It is not a commitment to any specific amount of participation on the part of the authors, whose contribution to the Author Online forum remains voluntary (and unpaid). We suggest you try asking the authors some challenging questions lest their interest stray! The Author Online forum and the archives of previous discussions will be accessible from the publisher’s website as long as the book is in print. xxi
about the cover illustration On the cover of Objective-C Fundamentals is “A man from Tinjan, Istria,” a village in the interior of the peninsula of Istria in the Adriatic Sea, off Croatia. The illustration is taken from a reproduction of an album of Croatian traditional costumes from the mid-nineteenth century by Nikola Arsenovic, published by the Ethnographic Museum in Split, Croatia, in 2003. The illustrations were obtained from a helpful librarian at the Ethnographic Museum in Split, itself situated in the Roman core of the medieval center of the town: the ruins of Emperor Diocletian’s retirement palace from around AD 304. The book includes finely colored illustrations of figures from different regions of Croatia, accompanied by descriptions of the costumes and of everyday life. In this region of Croatia, the traditional costume for men consists of black woolen trousers, jacket, and vest decorated with colorful embroidered trim. The figure on the cover is wearing a lighter version of the costume, designed for hot Croatian summers, consisting of black linen trousers and a short, black linen jacket worn over a white linen shirt. A gray belt and black wide-brimmed hat complete the outfit. Dress codes and lifestyles have changed over the last 200 years, and the diversity by region, so rich at the time, has faded away. It’s now hard to tell apart the inhabitants of different continents, let alone of different hamlets or towns separated by only a few miles. Perhaps we have traded cultural diversity for a more varied personal life—certainly for a more varied and fast-paced technological life. Manning celebrates the inventiveness and initiative of the computer business with book covers based on the rich diversity of regional life of two centuries ago, brought back to life by illustrations from old books and collections like this one. xxii
Page 1 and 2: Christopher K. Fairbairn Johannes F
Page 4 and 5: Objective-C Fundamentals CHRISTOPHE
Page 6: PART 1 brief contents GETTING START
Page 9 and 10: viii CONTENTS 1.5 Compiling the Coi
Page 11 and 12: x CONTENTS 5.4 Declared properties
Page 13 and 14: xii CONTENTS PART 3 MAKING MAXIMUM
Page 16 and 17: preface Having been involved in the
Page 18 and 19: ACKNOWLEDGMENTS xvii Christopher wo
Page 20 and 21: ABOUT THIS BOOK xix skills. There
Page 24: Part 1 Getting started with Objecti
Page 27 and 28: 4 CHAPTER 1 Building your first iOS
Page 33 and 34: 10 CHAPTER 1 Building your first iO
Page 51 and 52: Data types, variables, and constant
Page 53 and 54: 30 CHAPTER 2 Data types, variables,
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50 CHAPTER 2 Data types, variables,
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56 CHAPTER 3 An introduction to obj
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Storing data in collections This ch
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Creating classes This chapter cover
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Declaring the interface of a class
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Providing an implementation for a c
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Declared properties 109 - (Property
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Declared properties 111 Let’s bri
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Declared properties 113 Although @s
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Creating and destroying objects 115
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Using the class in the Rental Manag
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Summary 123 a number of rental prop
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Subclassing 125 the only class you
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Adding new instance variables 127 s
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Accessing existing instance variabl
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Overriding methods 131 } return gen
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Overriding methods 133 } "for $%@ p
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Class clusters 135 Figure 6.2 Graph
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Categories 137 This code tells the
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Subclassing in your demo applicatio
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Subclassing in your demo applicatio
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Summary 143 6.8 Summary Object-orie
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Defining a protocol 145 Mastering t
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Implementing a protocol 147 7.2.1 C
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Implementing a protocol 149 Listing
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Important protocols 151 iPhone UIKi
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Important protocols 153 executed. T
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Important protocols 155 Any table v
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Important protocols 157 or in table
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Important protocols 159 For s
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Important protocols 161 Listing 7.1
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Dynamic typing and runtime type inf
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Static vs. dynamic typing 165 If yo
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How messaging works 167 Messages ar
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How messaging works 169 8.3.2 Handl
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Runtime type information 171 The if
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Runtime type information 173 8.4.3
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Practical uses of runtime type intr
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Memory management This chapter cove
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Reference counting 179 Figure 9.1 A
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Reference counting 181 the object i
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Reference counting 183 Keep yoursel
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Autorelease pools 185 Ideally, you
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Autorelease pools 187 With knowledg
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Autorelease pools 189 i * 1000 + j]
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Memory zones 191 Memory zones have
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Responding to low-memory warnings 1
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Summary 199 addObserver:selector:na
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Part 3 Making maximum use of framew
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Error and exception handling This c
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NSError—handling errors the Cocoa
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Creating NSError objects 207 chapte
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Creating NSError objects 209 10.2.2
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Summary 211 10.3.2 Catching excepti
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Making your objects KVC-compliant 2
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Making your objects KVC-compliant 2
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Handling special cases 217 This que
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Filtering and matching with predica
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Sample application 225 rentingFor:2
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Summary 227 The core of the logic o
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Core Data history 229 Structured Qu
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Core Data objects 231 In Xcode you
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Core Data resources 233 careful to
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Building the PocketTasks applicatio
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Beyond the basics 251 How do you us
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Beyond the basics 253 All you do is
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Beyond the basics 255 attributeName
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Blocks and Grand Central Dispatch T
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The syntax of blocks 259 What if yo
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The syntax of blocks 261 change the
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The syntax of blocks 263 } [super d
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Performing work asynchronously 265
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Summary 275 more to learn about GCD
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Building an application, complete w
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Understanding NSLog 279 Figure 14.3
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Bringing memory leaks under control
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Bringing memory leaks under control
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Detecting zombies 285 (and the appl
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Summary 287 and its ease of use and
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Preparing your iOS device for devel
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Preparing your iOS device for devel
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appendix B The basics of C Througho
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Variable naming conventions 295 As
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Expressions 297 Table B.3 Relationa
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Expressions 299 B.2.4 Assignment op
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Conditional statements 301 based on
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Conditional statements 303 The gene
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Looping statements 305 Not as strai
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Looping statements 307 One importan
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Looping statements 309 As in a do l
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Summary 311 CONTINUE The continue s
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A short history of Objective-C 313
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The iPhone SDK: Safari 315 C.2 Alte
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The iPhone SDK: Safari 317 C.3.2 ha
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The iPhone SDK: Safari 319 It’s i
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Scripting languages: Lua and Ruby 3
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Mono (.NET) 323 the iOS platform. F
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Summary 325 Xamarin announced a fol
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index Symbols ^ operator 298 - oper
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INDEX 329 application-specific quer
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INDEX 331 collections (continued) e
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INDEX 333 E e character 35 editButt
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INDEX 335 iOS Developer account 9 i
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INDEX 337 mutableCopyWithZone 190 M
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INDEX 339 Organizer window 291 over
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INDEX 341 setFlag 164 setNilValueFo
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INDEX 343 vardic method 75 variable
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