Objective-C Fundamentals

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INDEX 335 iOS Developer account 9 iOS developer program 289 iOS Developer Program license 323 iOS project templates 10 iOS Provisioning Portal 291 iOS Simulator 22–23 iOS-based templates 10 iOS-powered device 322 iPad, hardware specifications 6 iPhone capabilities 5 hardware specifications 6 screen 6 iPhone application, running CoinToss game in 24–25 iPhone Developer program 323 iPhone Packer 322 iPhone Safari web browser 316 iPhone SDK 315–320 HTML5, CSS3, and other standards 316–317 integration with 317–319 PhoneGap 319–320 isDone attribute 235 isEqual: message 69 isKey instance variable 214 isKey method 213 isKey variable 213 isKindOfClass 171 isMultitaskingSupported property 175 iterating, through arrays 79–80 fast enumeration 80 NSEnumerator class 79–80 ivars (instance variables) 98, 100–101 accessing 106–107, 129–131 adding new 127–129 J java.lang.Object 100 JavaScript source code 317 JavaScript-accessible wrappers 319 JIT (just-in-time) compilation 323 JSON format 268 JSON framework 268 K kCAMediaTimingFunctionEaseInEaseOut object 21 key Mono technologies 323 key paths, using in predicate expressions 215, 222 _key variable 213–214 key/value pairs, adding to dictionaries 85–86 keyEnumerator message 87 keys enumerating, in dictionaries 86–88 in dictionaries 82 unknown 217–218 keys array 83, 85 Key-Value Coding Programming Guide 215 Key-Value Coding. See KVC Kitten case 305 KVC (Key-Value Coding) 212–227 and NSPredicate class filtering and matching with predicates 219–224 sample application 224–227 compliance with 213–217 accessing properties via KVC 214 key paths 215 values 215–217 handling special cases 217–219 nil values 218–219 unknown keys 217–218 L label control 19 languages, procedural-based 56 lastObject message 77 length message 67, 171 length property 215 Let Me Specify Key Pair Information check box 290 Libraries section 21 Library section 291 Library window 15 lightweight migrations 252 LIKE operator 222 Link Binary option 21 LLVM (Low-Level Virtual Machine) 8 localizedDescription method 205 localizedFailureReason method 205 localizedRecoveryOptions method 205 localizedRecoverySuggestion method 205 log 295 LogAlways 280–281 LogDebug macro 280 logical operators 39, 298 long qualifier 34 looping statements 305–311 controlling 309–311 break statement 310 continue statement 311 do-while statement 307–308 for statement 308–309 while statement 306–307 Low-Level Virtual Machine. See LLVM
336 INDEX low-memory warnings, responding to 193–200 overriding didReceiveMemoryWarning method 194–197 UIApplicationDelegate protocol 193–194 UIApplicationDidReceiveMemoryWarningNotification notification 197–200 LP64 programming model 34 Lua 320–322 M Mac App Store 289 main queue 272–273 main thread 271, 273 mainBundle method 64 makeBlock method 263 malloc_destroy_zone method 192 managed objects context 231 models 232 managedObjectContext method 235, 239 managedObjectModel method 235 master TableView class 240–243 MATCHES operator 222 matching, with predicates 219–224 complex conditions 221–222 evaluating predicate 219–220 expressing predicate condition 220–221 filtering collection 220 predicate expressions 222–224 memory 177–200 autorelease pools 184–190 adding objects to 185 creating new 185–187 limitations of 187–190 releasing objects in 187 controlling leaks with Instruments application 281–283 object ownership 178–179, 192–193 reference counting 179–184 determining current retain count 182–184 releasing object 180–182 responding to low-memory warnings 193–200 overriding didReceiveMemoryWarning method 194–197 UIApplicationDelegate protocol 193–194 UIApplicationDidReceiveMemoryWarning- Notification notification 197–200 zones 190–192 memory fragmentation 190 memory leak 178 memory management, blocks and 262–264 memory maps 59 memory zones 190 message forwarding 166, 169 messages nonexistent 64–65 sending to classes 63 to nil 65–66 to objects 62–63 to self 107–108 messaging 166–171 determining if message will respond 171 handling unknown selectors 169–170 methods, selectors, and implementations 167–168 sending messages generated at runtime 171–172 to nil 170–171 method callers protocol 147–148 method declarations 101–105 method files, for CTRentalProperty class 108–109 method implementations 106 method naming category 110 method swizzling 174 method_exchangeImplementations 174 methods 167–168 153 151–153 action 155–157 setter 154–155 adding new to class at runtime 173–174 class, vs. instance methods 104–105 getter manual approach to 130–131 synthesizing 112–113 naming 111 overriding 131–134 setter manual approach to 130–131 semantics 111 synthesizing 112–113 Microsoft .NET development platform 323 Microsoft’s Windows Mobile 317 Minimal overhead 180 protocol 153 mobile devices, adapting Cocoa frameworks for 4–5 model objects 249–251 models data 235, 251–253 managed object 232 model-view-controller. See MVC Mono (.NET) 323 MonoDroid 325 MonoTouch 324 msg object 182 multiple public clusters 135–136 mutable objects 68
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Christopher K. Fairbairn Johannes F
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Objective-C Fundamentals CHRISTOPHE
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PART 1 brief contents GETTING START
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viii CONTENTS 1.5 Compiling the Coi
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x CONTENTS 5.4 Declared properties
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xii CONTENTS PART 3 MAKING MAXIMUM
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preface Having been involved in the
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ACKNOWLEDGMENTS xvii Christopher wo
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ABOUT THIS BOOK xix skills. There
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author online Purchase of Objective
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Part 1 Getting started with Objecti
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4 CHAPTER 1 Building your first iOS
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10 CHAPTER 1 Building your first iO
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Data types, variables, and constant
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30 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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76 CHAPTER 4 Storing data in collec
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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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Page 316 and 317: appendix B The basics of C Througho
Page 318 and 319: Variable naming conventions 295 As
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Page 334 and 335: Summary 311 CONTINUE The continue s
Page 336 and 337: A short history of Objective-C 313
Page 338 and 339: The iPhone SDK: Safari 315 C.2 Alte
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Page 344 and 345: Scripting languages: Lua and Ruby 3
Page 346 and 347: Mono (.NET) 323 the iOS platform. F
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Page 350 and 351: index Symbols ^ operator 298 - oper
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Page 360 and 361: INDEX 337 mutableCopyWithZone 190 M
Page 362 and 363: INDEX 339 Organizer window 291 over
Page 364 and 365: INDEX 341 setFlag 164 setNilValueFo
Page 366: INDEX 343 vardic method 75 variable
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Objective-C Fundamentals

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