E Event-based parser, XML, 180 Extended attributes, URLs, 118 API, 119 command line, 118 description, 118 NSURL category, 119

Transcription

1 Index A Access control lists (ACLs), 113 Application distribution, 353 certificate utility, 358 App ID creation, 358 App Store, 363 center, 357 no of certificates, 358 code sign identity, 362 configuring application, 359 developer identity, 363 for ios, 359 provisioning profile, 362 set up and create, 360, 362 sign in cryptographically, 360 system registering, 361 user interfaces, 189 developer ID, 368 objective C programming, Whither ios, 354 AppKit and Cocoa, 354 app launch, 355 CALayer, 355 foundation library, 354 model view controller paradigm, 354 new frameworks, 354 vs. OS X, UIKit, 355 Application writing, 269 access remote address, 332 access remote address, , adopting, delegate protocol, 322 book proxy, 320 checking size value, 333 class, book, 322 class structure, 322 data-send operation, 325 deallocation, 324 disconnecting, 335 domain search, 318 encoding command, 329 error handling, 330 errors, 319 implement, 321 layout, class, 323 message data, 334 methods, command, 328 operation, commands, 326 reaching, 317 receive reply, 332 received messages, 334 reply block, 331 resolution results, 321 resolve, service, 319 run, operation, 326 scheduling operation, 332 search service, 318 sending commands, 325 server disconnection, 321 steup, 323 stream delegation, 332 stub connection, 317 timeout reply, 331 writing data, 329 browser implementation, 285 handling discovery, 287 initialization, 285 names, returning, 288 NSNetserviceBrowser, 287 remote address book, 285 returning names, 288 service discovery, 287 app sandbox enabling, 270 clients and commands, adopting protocol, 315 APAddressBookClient, 309 byte order,

2 372 Index Application writing (cont.) command process, 315 consuming data, 312 data handler, 310, 316 handling commands, 311 incoming commands, 315 incoming data, 310 objective C format, 313 process inputs, 312 release method, 314 responses, 314 sending data, 314 toll-free bridging, 315 core data and icloud, 272 attempting setup, 273 initializations handling, 272 options, ubiquity, 274 reinitialize, 275 reopen ubiquity, 275 ubiquity container, 272 data sharing, 276 address book, remote protocol, 281 APRemoteAddressBook.h, 282 code signing, 278 configure, XPC connection, 282 connection initialization, 282 info tab, 278 interface, address book, 281 listener delegates, XPC, 279 network target, 278 networker entitlements, 278 NSDictionary, 280 objective-c XPC service, 279 object vending, XPC, 282 passing objects in XPC, 283 primary XPC, interface, 281 proxied objects, 284 remote access protocol, 280 RunLoopType, 278 sandboxing system, 276 startup XPC service, 279 target dependency, 277 XPC service, 277 data vending, 289 address, 295 address book action, 291 address methods, 295 APAddressBook protocol, 290 data, 296 identifier key, 292 identifierforobject error method, 292 interface actions, 289 menu objects, 291 NSFetchRequest, 294 person objects, 294 provide data, 292 strings, identifier, 293 vendor, 290 XPC, instance variables, 289 XPC service connection, 289 display, remote address book, 336 auto layout, 349 bindings, 350 bookkeeping, browser action, 336 completed window, 338 connection, 339 connect method, 337 controller implementation, 338 delegate method, 340 final interface, 349 initialization and layout, 343 interface, 337, 342, 348 loading, 346 managing data, 344 monitoring, 341 opening, 341 peple list, manage, 345 request, browser, 336 selection change, 346 setting up, window, 343 UI, browser, 335 viewing, 341 encoding data, 302 Base-64, codes, commands, 307 commands, 306 conversion method, 302 dictionary, 305 JSON, NSError object, 306 mirrored, 303 NSCoder, 303 NSError method, 302 other data, 303 parameters, commands, 307 sample commands and replies, 308

3 Index 373 icloud enabling, 269 server side networking, 297 APServerSocket interface, 297 callback functions, 301 CFSocketSetAddress( ) method, 300 for connection, 300 initializeconnection method, 298 IPv6 stream sockets, 300 NSNEtService, 300 socket setup, 297 vending address book, 301 XPC service, 300 App Store, 363 availabiltiy and price, 364 grouping applications, 364 initial state, application, 365 itunes connect, 363 login, 363 primary information, 364 upload, 365 archive, 365 metadata submission, 367 validation method, 366 Xcode, distribute, 368 Arrays, 51 appending to existing arrays, 53 arraywithobject method, 52 containsobject method, 54 description, 51 enumeration, 54 equivalent array creation methods, 52 heterogeneous arrays, 53 indexofobject method, 54 initwitharray:copyitems method, 52 literal syntax, 53 mutable arrays, 55 creation, 55 queue implementation, 56 replaceobjectatindex:withobject method, 56 stack implementation, 55 Authentication challenge sender methods, 169 Automatic reference counting (ARC), 32, 75, 77 Autorelease pools, Objective-C, 78 description, 78 loop comparision, 80 NSThread, 79 ownership transfer, 78 stacked, 80 B Block objects, 93 array enumeration, 95 as return values, 95 declaration, assignment and invocation, 93 description, 93 GCD, 100 description, 100 dispatch_after, 100 dispatch_apply, 103 dispatch_async, 100 dispatch_barrier_async, 103 dispatch_queue_create, 101 dispatch queues, 100 dispatch_resume and dispatch_ suspend, 101 singleton pattern, 104 thread synchronization, 102 lexical closures, 95 block reference cycles, 97 block Variables, 96 read-only variables, 96 without parameters, 94 C Cocoa application Auto Layout system, 200 graphics primitives, 213 colors, 213 gradients, 214 images, 216 lines and curves, 218 layout and rendering system, 206 plain Cocoa animation system, 208 Cocoa URL loading system, 164 asynchronous methods, 165 components, 165 network streams, 173 NSJSONSerialization, 174 NSPropertyListSerialization, 174 NSXMLParser, 174 principles, 174

4 374 Index Cocoa URL loading system (cont.) using NSURLConnection, , 171 authentication challenge, 168 data handling, 171 HTTP requests, 166 NSURLConnectionDataDelegate protocol, 171 NSURLProtocol class, 165 protocols, 164, 167 streams, 166 synthetic synchronous method, 165 Condition variables, Core data, 225 address book application, 251 address book importer interface, 251 attributes import, 254 completion handler property, 252 addresses import, 254 enumerating ABPerson records, 253 importaddressbookdata method, 251 Importer implementation, 255 importer initialization, 252 faulting technique, 229 multithreading, 244 confinement, 244 description, 244 hierarchical contexts, 246 main-thread queueing, 246 private queueing, 246 thread-safe contexts implemention, 247 NSFetchRequest, 227 NSManagedObjectContext class, 227 NSPersistentStore class, 227 object model, 232, 234, 236, 238, basic person attributes, 231 Cocoa application, with Xcode, 230 components, 228 custom classes, 234 MailingAddress entity and relationship, 232 persistent store options, 243 relationships and abstract entities, 232 simple person entity, 231 stack initialization, 242 tasks, 241 transient properties, 236 validation, 238 object persistence mechanism, 226 stack elements, 226 storage mechanisms, 227 binary store, 228 in-memory store, 227 SQLite incremental store, 228 XML store, 227 user interface, 257 adding and removing people, 262 addresses view, 263 Array Controller, 257 complex cell view, 266 components, 256 Document Outline button, 257 layout, 259 Managed Object Context, 257 sort ordering, 258 starting interface, 256 Cross-threaded synchronization, 84 description, 84 NSConditionalLock, 86 NSLock, 84 producer-consumer pattern, directive, 86 singleton objects, directive, 85 D Datagram sockets, 163 Data objects, 50 Dictionaries, foundational APIs, 59 description, 59 dictionarywithobjects:forkeys method, 60 enumeration, 60 equivalent dictionary creation methods, 60 literal expression, 61 mutable dictionaries, 61 objectforkey method, 60 subscripting syntax, 61 E Event-based parser, XML, 180 Extended attributes, URLs, 118 API, 119 command line, 118 description, 118 NSURL category, 119

5 Index 375 F File reference URLs, 115 bookmark, 116 description, 115 security scope, 117 File scope, 19 Filesystem, 107 accessing file contents, 126 change coordination, 145 FolderInfoPresenter class, 145 NSFilePresenter methods, 146 change coordination, 137 coordinating access, 138 file changes, 138 file presenter interface, 137 folder changes, 138 folder tracking, 138 InfoFilePresenter class, 144 multiple-step operation, 144 NSFilePresenter protocol, 137 description, 107 folders, 123 definition, 108 domain system, 122 enumeration, 126 links, 125 NSFileManager, 123 path components, 108 standard system folders, 122 icloud, 152 coordination, 153 description, 152 download progress monitor, 155 location, 153 NSFileManager, 154 NSURL ubiquitous item resource keys, 154 privilege management, 153 synchronization, 153 ubiquitous items, 153 random-access files, 127 access modes, 127 echo application, 128 NSFileHandle, 127 Spotlight, 147 description, 147 metadata API, 148 streaming, file contents, 129 encryption interface, 134 NSStream, 129 run-loop source interface, 131 URLs, 108 creation, 109 description, 109 IETF, 108 FolderInfoPresenter interface, 139 Foundational APIs, 43 arrays, 51 appending to existing arrays, 53 arraywithobject method, 52 containsobject method, 54 description, 51 enumeration, 54 equivalent array creation methods, 52 heterogeneous arrays, 53 indexofobject method, 54 initwitharray:copyitems method, 52 literal syntax, 53 mutable arrays, 55 coders and decoders, 71 NSCoding protocol, 71 NSUserDefaults, 72 property lists, copy properties uses, 63 data objects, 50 description, 43 dictionaries, 59 description, 59 dictionarywithobjects:forkeys method, 60 enumeration, 60 equivalent dictionary creation methods, 60 literal expression, 61 mutable dictionaries, 61 objectforkey method, 60 subscripting syntax, 61 GCD, 68 background queues, 69 block objects, 69 description, 68 NSOperation and NSOperationQueue, 69 NSCopying protocol, 62 NSData, 50

6 376 Index Foundational APIs (cont.) NSFastEnumeration protocol, 61 numbers, 48 convenience methods, 48 numeric object literals, 49 string object literal, 49 uses, 49 wrapping class, 48 reflection, 64 instance method at runtime addition, 66 invoking selector programmatically, 65 selectors, 65 run loops, 70 sets, 57 description, 57 equivalent set creation methods, 57 inclusion testing, 58 mutable sets, 58 strings, 43 correct and incorrect string comparision, 45 description, 43 format specifiers, 44 literal string, 43 mutable strings, 46 non-literal string, 43 NSString Instance methods, 46 object format specifiers, 45 object initialization, 44 subscripted array access implemention, 64 threading, 68 type introspection, 64 G Garbage collection (GC), 32 GNU GCC compiler, 33 Grand central dispatch (GCD), 100 background queues, 69 block objects, 69 description, 68, 100 dispatch_after, 100 dispatch_apply, 103 dispatch_async, 100 dispatch_barrier_async, 103 dispatch_queue_create, 101 dispatch queues, 100 dispatch_resume and dispatch_suspend, 101 NSOperation and NSOperationQueue, 69 singleton pattern, 104 thread synchronization, 102 H Hard links, filesystem, 125 I icloud, filesystem, 152 coordination, 153 description, 152 download progress monitor, location, 153 privilege management, 153 NSFileManager, 154 NSURL ubiquitous item resource keys, 154 synchronization, 153 ubiquitous items, 153 Interface builder, UI, 196 attributes inspector, 199 bindings inspector, 200 identity inspector, 199 layout constraints, 200 Auto Layout controls, 203 Cocoa Auto Layout system, 200 inflexible constraint attributes, 204 initial window layout, 202 predefined layout priorities, 205 NeXT, 196 OS X, 197 outlets inspector, 199 size inspector, 199 view effects inspector, 200 XIB, 197 Internet Engineering Task Force (IETF), 108 Internet protocol (IP), 163 J JSON, core conversion method, 176 property list types, 176 K Key-value coding (KVC), 11

7 Index 377 L Latency, networking system, 161 Lexical closures, 95 block reference cycles, 97 with instance variables, 98 with properties, 99 block Variables, 96 read-only variables, 96 Links. filesystem, 125 Loops, 21 Low level virtual machine (LLVM), 33 M Manual reference counting, 32 Message passing system, 26 description, 26 programming paradigms, 27 string, 27 Model-view-controller, 189 Multithreading, 244 confinement, 244 description, 244 hierarchical contexts, 246 main-thread queueing, 246 private queueing, 246 thread-safe contexts implemention, 247 Mutable arrays, 55 creation, 55 queue implementation, 56 replaceobjectatindex:withobject method, 56 stack implementation, 55 Mutable dictionaries, 61 Mutable sets, 58 Mutable strings, 46 N Networking system, 159 Cocoa URL loading system, 164 asynchronous methods, 165 components, 165 network streams, 173 using NSURLConnection, 166 NSURLProtocol class, 165 protocols, 164 streams, 166 synthetic synchronous method, 165 description, 159 JSON, core conversion method, 176 property list types, 176 network-centric programming, 159 principles, 161 asynchronicity, 161 bandwidths, 160 disk thrashing, 161 latency, 161 performance drawbacks, 160 sockets, 162 service location, 183 AppleTalk, 183 Bonjour service, 183 DNS, 183 mdns system, 183 NBP, 183 resolution, 184 service publishing, 186 XML, 177 event-based XML handling, 180 streaming parser, 178 XML trees, 179 Network service location AppleTalk, 183 Bonjour service, 183 DNS, 183 mdns system, 183 NBP, 183 service publishing, 186 service resolution, 184 NSNetService, 186 NSNetServiceBrowser delegate methods, 184 service types, 185 web servers, 185 NeXT interface builder, 196 NeXTstep OS, 1 NSFileManager, 123 APIs, 124 URLsForDirectory indomains, 123 Number primitives, 48 convenience methods, 48 numeric object literals, 49 string object literal, 49 uses, 49 wrapping class, 48

8 378 Index O Objective-C programming language, 1, 75 allocation and initialization, 28 ampersat symbol, 22 autorelease pools, 78 description, 78 loop comparision, 80 NSThread, 79 ownership transfer, 78 stacked, 80 blocks, 93 array enumeration, 95 as return values, 95 declaration, assignment and invocation, 93 description, 93 GCD, 100 lexical closures, 95 without parameters, 94 break statement, 21 case statements, 20 class interfaces, 34 conditions, 20 cross-threaded synchronization, 84 description, 84 NSConditionalLock, 86 NSLock, 84 producer-consumer pattern, directive, 86 singleton objects, directive, 85 description, 1 exceptions, 81 adaptive code, 83 catching exceptions, 82 description, 81 generic exception names list, 82 non-adaptive code, 83 NSError, 83 formal protocols, 38 functions and declarations, 18 history, 1 implementation, 38 +alloc method, 40 description, 38 designated initializer, 40 no-parameter initialization function, 41 NSString, 41 singleton design pattern, statement, 39 loops, 21 memory management, 31 autorelease pools, 32 compilation complication, 33 description, 31 reference counting method, 32 techniques, 32 message forwarding, 89 dosomething method, 89 invoking non-existent methods, 89 NSProxy, 92 techniques, 90 message-send operations, 30 bracketed syntax, 31 description, 30 named parameters, 30 vs. method-calling, 30 messaging, 87 communication, 87 message orientation, 87 message passing, 87 sending procedure, 88 method declarations, 35 description, 35 designated initializer, 36 function overloading, 35 structure, 35 NeXTstep OS, 1 objective-c adds, 22 objects, 26 instance variables, 26 message-passing, 26 pointers, 18 properties, 37 protocol declaration, 38 scope, 19 strong and weak references, 75 ARC, 75, 77 description, 75 local and instance variables, 77 reference cycle, 76 UITableViewDataSource, 78 variables types, 76 zeroing weak references, 76 structures and arrays, 17

9 Index 379 switch statement, 20 syntax pattern, 28 types and variables, 17 Xcode, 2 advance version, 3 application template, 5 description, 2 interface bindings, 11 interface builder, 7 navigator pane, 5 project creation, 4 running the application, 15 tools, 3 user interface controls, 7 Object model, 228 basic person attributes, 231 Cocoa application, with Xcode, 230 components, 228 entities, 228 managed object model types, 229 NSManagedObjectModel instance, 228 relationships, 228 custom classes, 234 address class interface, 236 person class implementation, 235 person class interface, 234 persistent store options, 243 core data inspector, 243 icloud synchronization, 243 ubiquitous core data storage, 243 relationships and abstract entities, 232 simple person entity, 231 stack initialization, 242 tasks, 241 transient properties, 236 validation, 239, 241 addresses, 239 managed object validation methods, 239 phone number matching regular expression, 241 Object-oriented programming (OOP) circle class, 25 classes and instances, class hierarchy, 24 encapsulation, 24 inheritance, 24 cube class, 25 description, 23 draw method, 25 Objective-C, 26 rectangle class, 25 shape class, 25 P, Q Pointers, 18 R Run loops, 70 S Scope variable, 19 Sets, foundational APIs, 57 description, 57 equivalent set creation methods, 57 inclusion testing, 58 mutable sets, 58 Sockets, networking system, 162 description, 162 IPv4, 164 ports, 163 TCP, 163 types of, 162 Spotlight, filesystem, 147 description, 147 gathering, 151 live update, 151 metadata API, 148, 150 predicates, 148 query, 150 NSMetadataQuery, 150 Stream sockets, 163 Strings, 43 correct and incorrect string comparision, 45 description, 43 format specifiers, 44 literal string, 43 mutable strings, 46 non-literal string, 43 NSString instance methods, 46 object format specifiers, 45 object initialization, 44

10 380 Index Strong and weak references, 75 ARC, 75, 77 description, 75 local and instance variables, 77 reference cycle, 76 UITableViewDataSource, 78 variables types, 76 zeroing weak references, 76 Symbolic links, filesystem, 125 T Transmission control protocol (TCP), 163 Tree-based parsers, XML, 179 advantage, 179 element, 179 nodes, 179 XPath expression, 179 XQuery, 180 U, V, W Unified datagram protocol (UDP), 163 Uniform Resource Locators (URLs), 108 bookmark, 116 creation, 109 file reference URLs, 115 filesystem metadata, 118 access permissions, 112 ACLs, 113 NSURL initializers, 110 path manipulation, 110 resource specifiers, 111 description, 109 IETF, 108 User Interfaces (UI), 189 animation, 208 animator proxy object, 209 array controller, 257 components, 256 Document Outline button, 257 starting interface, 256 Cocoa graphics primitives, 213 NSBezierPath class, 218 NSColor, 213 NSGradient class, 214 NSImage class, 216 Cocoa layout and rendering system, 206 core animation, 207 Core data, 257 adding and removing people, 262 addresses view, 263 complex cell view, 266 layout, 259 Managed Object Context, 257 sort ordering, 258 core image, 206 explicit vs. implicit animation, 209 interface builder, 196 attributes inspector, 199 bindings inspector, 200 identity inspector, 199 layout constraints, 200 NeXT, 196 OS X, 197 outlets inspector, 199 size inspector, 199 view effects inspector, 200 XIB, 197 interface drawing, 213 Cocoa graphics primitives, 213 NSGraphicsContext State Modifications, 212 rectangles, 212 interface drawing: drawrect, 211, 212 layer-backed view, 208 layout and render flow, 210 model-view-controller, 189 NSWindow class, 190 OS X, 208 overlapping views, 207 plain Cocoa animation system, 208 timing function, 209 video playback, 219 application output, 223 document code, 221 document type, 219 OS X, 219 user interface, 220 windows, 190 buttons, 194 controls, 193 document-modal window, 192 Finder application window, 190 panel, 192 text input control, 195 views, 193

11 Index 381 X, Y, Z Xcode, 2 advance version, 3 application template, 5 delegation, 13 description, 2 interface bindings, 11 approaches, 12 delegate, 13 KVC, 11 output field, 14 user input, 12 username Property, 11 interface builder, 7 navigator pane, 5 NSApplication method, 15 NSFullUserName function, 15 project creation, 4 running the application, 15 tools, 3 user interface controls, 7 Xcode Interface Builder, 197 XML networking system, 177 event-based XML handling, 180 streaming parser, 178 XML trees, 179