Objective-C Fundamentals

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INDEX 329 application-specific query 220 application-specific variant 320 Approve button 290 arguments 62 arithmetic operators 296 ARM (Advanced RISC Machine) code 322 array factory method 81 arrays 48–50, 61, 75–82 adding items to 80–82 constructing 75–76 elements of accessing 76–77 searching for 77–78 initializing 49 iterating through 79–80 fast enumeration 80 NSEnumerator class 79–80 vs. simple types 50 arrayWithCapacity: factory method 81 arrayWithContentsOfURL: message 75, 83 arrayWithObject: factory method 75 ASCII character chart 37 aSimpleDynamicMethod selector 174 Assembly.LoadFrom 324 Assign attribute 111 assignment operators 299–300 asterisk, in variable name 208 asynchronous task performance 265–275 GCD fundamentals 266–267 image loading 273–275 image search 271–272 introduction to GCD 266 RealEstateViewer application 267–271 atIndex method 81 atIndexPath method 242, 249 attributes Core Data 233–234 Attributes Inspector option 15 Attributes Inspector pane 15 Author element 159 authors, parsing with NSXMLParser delegate 159–162 autoboxing 88 Automatic Device Provisioning check box 291 autorelease messages 177, 180, 185–187, 192–193 autorelease object 190 autorelease pools 184–190 adding objects to 185 creating new 185–187 limitations of 187–190 releasing objects in 187 B beginAnimations: context: method 147 BEGINSWITH operator 222 BETWEEN operator 221 bFlag variable identifiers 294 binding, dynamic 166 bitwise operators 298 block literal 259–260, 263–264 __block storage type 261–263, 274 blocks, syntax of 257–265 block-based APIs in iOS frameworks 264–265 blocks and memory management 262–264 closures 260–261 Book elements 159 BOOL data type 39–40 Boolean truths 39–40 boxing 88–91 nil vs. NULL value vs. NSNull class 90–91 NSNumber class 89 NSValue class 90 boxView 147–148 Brautaset, Stig 268 break keyword 304 break statement 309–311 breakpoints, inspecting application states with 23–24 buffer overrun 38 bugs, creating application with 277 Build option 21 Build Phases tab 21 Build Settings tab 292 building process 21 bundle identifier 9 buttonPressed 172 C C and C++ 315 C libraries 5 C++ libraries 5 CABasicAnimation objects 14, 21 callers, protocol method 147–148 callHeads method 13–14, 16, 18 callTails method 13–14, 16, 18 CAMediaTimingFunction object 21 Camel case 295 cApples variable identifiers 294 caret in block literal 259 in syntax of blocks 258 Cascading Style Sheets. See CSS categories considerations when using 138 extending classes without subclassing 136 C-based APIs 5, 315 C-based application 300 C-based libraries 313 cellForRowAtIndexPath: method 30–32, 53–54
330 INDEX Certificate Revocation List 289 certificates 289–290 Certificates page 290 Certificates tab 289 char * data type 38–39 char data type 37–38 characterAtIndex: message 67 characters, extracting from strings 67–68 chFoo variable identifiers 294 chGender 294 CIL (Common Intermediate Language)-based assemblies 323 cityMapping dictionary 93 cityMappings dictionary 197 CityMappings.plist file 91, 93 class clusters 57, 134 class methods, vs. instance methods 104–105 class_addMethod 173–174 classes 97–143 adding new methods to at runtime 173–174 categories considerations when using 138 extending classes without subclassing 136 clusters 134–136 multiple public 135–136 reasons for using 134–135 custom, adding new class to project 98–99 declared properties 109–115 @property syntax 109–112 dot syntax 113–115 synthesizing property getter and setter methods 112–113 declaring interface of 99–106 header file for CTRentalProperty class 105–106 ivars 100–101 method declarations 101–105 definitions of 57 in Rental Manager application 120–123 instance variables accessing existing 129–131 adding new 127–129 making conform to protocol 148–150 objects 115–120 combining allocation and initialization 118 creating and initializing 115–116 destroying 119–120 init method 116–118 overriding methods 131–134 providing implementation for 106–109 accessing instance variables 106–107 method file for CTRentalProperty class 108–109 methods 106 sending messages to self 107–108 sending messages to 63 subclassing in demo application 138–143 overview of 124–127 Classes folder 268 classnameWithxxxx naming convention 283 clickedButtonAtIndex: method 227 CLLocation.h header file 51 closures, blocks as 260–261 clusters 134–136 multiple public 135–136 reasons for using 134–135 cmd parameter 167, 173 Cocoa API (Application Programming Interface) 204–206 Cocoa exceptions 210 Cocoa frameworks 4–5 Cocoa Touch support library 3–4 code pure, Person entities in 237–239 silent flaws in 116 Code Editor window 286 code reuse 57 Code Sense 295 Code Signing section 292 code-signing certificates 323 Coin Toss game compiling 21–22 developing with Xcode tool 7–15 creating projects with 9–12 description of 8 launching 8 writing source code 12–15 hooking up user interface 15–20 test run 21–27 controlling debugger 25–27 inspecting application state with breakpoints 23–24 running CoinToss game in iPhone simulator 24–25 selecting destination 22–23 coinLandedOnHeads variable 14, 27 CoinTossViewController class 12, 196 reviewing connections made to and from 20 visually forming connection between button control and 17–19 CoinTossViewController header file 12, 16 CoinTossViewController.m file 13 CoinTossViewController.xib file 15 collating values 216–217 collection-based data structures 215 collections 74–94 arrays 75–82 adding items to 80–82 constructing 75–76
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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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Page 304 and 305: Bringing memory leaks under control
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Page 312 and 313: Preparing your iOS device for devel
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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 342 and 343: The iPhone SDK: Safari 319 It’s i
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
Page 354 and 355: INDEX 331 collections (continued) e
Page 356 and 357: INDEX 333 E e character 35 editButt
Page 358 and 359: INDEX 335 iOS Developer account 9 i
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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