Index

A, B

Application development

class, 19–22

console, 4–6

custom class

class method, 16–18

creation, 7–9

instance method, 18–19

iOS application

attributes, 36

creation, 35–36

delegation, 45–48

picker view, 48

simulator, 40

target-action, 40–44

templates, 35

user controls, 44

Xcode, 34–40

Mac application

application settings, 32

attributes, 32–33

delegatation, 22

method execution, 30

templates, 30–31

user controls, 26–30

web-based, terminal application, 22–25

Xcode, 30–34

NSLog, 4–6

property assessors

@synthesize, 14–16

attributes, 10

code, 9–13

terminal command, 2–4

Aggregate information, key paths

@distinctUnionOfObjects operators, 311–313

arrays, 312

average priority level, 311–313

code testing, 313–317

usage, 317

Array

count, 86–87

creation, 82–84

iteration, 87–90

manipulation, 100–103

NSArray and NSMutableArray constructors, 83

NSPredicate comparison operators, 96

queries, 95–100

reading file system, 106–107

referencing objects, 84–86, 110–111

save option, file system, 104–105

sorting, 90–95

Asynchronous processes

GCD

dispatch_async function, 223–224

NSTread, 222–229

serial queues, 230–235

NSOperationQueue

bigTaskAction method, 237–238

implementation, 235–241

main and serial queue, 236

viewDidLoad method, 237

threads

@synchronized, 217–222

AppDelegate.h, 200–203

autorelease, 199–200

background tasks, 204–212

NSLock, 212–217

NSNumber object, 205, 207

NSObject method, 204

NSThread, 198–199

type cast, 207

UIProgressView, 204

updateUIWhen, 206

ViewController, 204–205

viewDidLoad method, 213

Automatic Reference Counting (ARC), 263, 265–267

C

Consume web content. See Web content

Core data

application, managed object

@dynamic keyword, 353

Objective-C class, 352–354

test code, 354–357

usage, 357

data persistence, 339

entity description

AppDelegate code, 351–352

data model file, 349

description attribute, 350

editor screen, 349–350

project completion, 350–351

project entity, 350

usage, 352

Xcode, 349–350

iOS/Mac application

AppModel, 346–348

data schemas, 343

framework, 340–342

managed objects, 345

readonly properties, 344

stack, 342–346

usage, 348

Xcode, 340

managed object

data store, 358

objects, 357–358

project class, 357–358

test code, 358–361

usage, 361

one-to-many relationship

code testing, 391–397

entity description, 385

interfaces, 389

object graph, 385

project, task and worker, 387

task code, 385–391

usage, 397

visual editor style, 388

one-to-one relationship

makeNewProject function, 378

object graph, 375

project to worker relationship, 375–380

test code, 380–384

usage, 384

worker entity, 376

posting changes

console log window, 374

save/changes, 368–369

test code, 369–374

usage, 374

retrieve objects

data store, 362–363

fetch request, 362

test code, 363–367

usage, 367–368

version management

code testing, 401–408

current drop-down box, 399

data model, 397–401

one-to-one relationship, 400

usage, 408

D, E

Dates

add/subtract, 191–192

comparison, 183–187

component, 181–183

format, 189–190

NSCalendar constants, 184

NSDate class method, 179–180

string conversion, 187–189

timer, schedule code, 193–195

Dictionaries

count, 112–113

creation, 107–110

iteration, 113–115

manipulation, 115–117

reading file system, 120–122

saving object, file system, 117–120

F

File system

attributes, 140–142

cache content, 170–177

change attributes, 155–158

constructors, 166–167

delegation, 158–165

directories

add, move, copy and remove, 145–148

sub-folders, 143–145

iOS application

reference key directories, 136–139

system directories, 138

UI, 176

keys, 141–142

Mac application

domain masks, 135

reference key directories, 133–136

system directory constants, 134

managing files, 149–152

NSCache, 170–177

NSData, data, 165–170

NSFileManager, 158–165

NSMutableData mutation methods, 167–168

references, 131–133

status, 152–155

G, H

Garbage collection, 264, 280–281

GNUstep, Windows 7

command-line, 411

home directory, 411

installation, 409

packages, 410

shell window, 410–411

tools, 409

Grand Central Dispatch (GCD)

@synthesize statement, 230

bigTaskAction method, 231–232

blocks, 223

dispatch_async function, 223–224

main queue, 226

multiple threads, 222–229

NSThread, 223

serial queues, 230–235

I

iOS application

attributes, 36, 40

creation, 35–36

delegation, 45–48

picker view, 48

reference key directories, 136–139

strings

reading file system, 54–57

writing file system, 59–62

system directories, 138

target-action, 40–44

templates, 35

UI, 176

user controls, 44

Xcode, 34–40

J

JSON

NSJSONSerialization, 254

Parser, 254–255

web services, 253–256

K, L

Key-value coding (KVC)

get properties, 298–299

NSOject, 297

set properties, 299–300

test code, 300–304

usage, 304

M, N

Mac application

application settings, 32

attributes, 32–33

delegatation, 22

domain masks, 135

garbage collection, 280–281

method execution, 30

reference key directories, 133–136

strings

reading file system, 52–54

writing file system, 57–59

system directory constants, 134

templates, 30–31

user controls, 26–30

web-based, terminal application, 22–25

window, 25

Xcode, 30–34

Memory management

applications, 261–262

ARC, 263, 265–267

autorelease, 263, 275–280

custom classes, 270–274

dealloc method, 272

garbage collection, 264, 280–281

lifecycle, 262

options, 264

ownership, 262

property references, 271–272

reference counting, 263, 267–270

Model-View-Controller (MVC), 285

O, P, Q, R

Object collections

array

contents, 100–103

count, 86–87

creation, 82–84

iteration, 87–90

manipulation, 100–103

NSArray and NSMutableArray constructors, 83

NSPredicate comparison operators, 96

queries, 95–100

reading file system, 106–107

referencing objects, 84–86, 110–111

save option, file system, 104–105

sorting, 90–95

dictionaries

count, 112–113

creation, 107–110

iteration, 113–115

manipulation, 115–117

NSDictionary and NSMutableDictionary constructors, 108

reading file system, 120–122

saving object, file system, 117–120

set

comparison, 125–127

count, 124–125

creation, 122–124

iteration, 128–129

manipulation, 130–131

Object graphs

aggregate information, key paths

@distinctUnionOfObjects operators, 311–313

arrays, 312

average priority level, 311–313

code testing, 313–317

usage, 317

archive

code testing, 332–337

file system, 330

NSCoding protocol, 330–332

NSKeyedArchiver, 332

usage, 337

classes and objects

built-in methods, 323

entity, 284

task implementation, 323–326

test code, 326–329

usage, 329

creation, 285

entity, 283–284

initialization, 289–292

key paths

code testing, 306–310

usage, 310–311

valueForKey and setValueForKey, 305–306

key-value coding

get properties, 298–299

Mac command-line, 304–305

NSObject, 297

set properties, 299–300

test code, 300–304

network, 284–285

object, 284

observer pattern implementation

class definition, 318

code testing, 320–323

connection, 318

dealloc method, 318

key-value observation, 318–320

usage, 323

overriding, 286

project, 288–289

task, 286–288

test code, 292–296

usage, 296–297

worker, 285–286

Objective-C

GNUstep, Windows 7

command-line, 411

home directory, 411

installation, 409

packages, 410

shell window, 410–411

tools, 409

Hello World, Windows 7

build log, 413–414

code testing, 415

make and text file, 412

output, 414

text file creation, 412–413

usage, 415–416

write and compile, 412

Objective-J

button, 424–427

Hello World, 418–424

web application, 416–417

web applications, 409

Objective-J

button

AppController.j file, 424–426

CPButton class, 424

target-action, 425

test code, 426–427

usage, 427

user controls, 424

Hello World

AppController, 420–421

code testing, 422–423

folders and packages, 418

helloworldapp, 418

index.html file, 419

Info.plist file, 419

main.j file, 420

Safari browser, 423–424

web application, 416–417

One-to-many relationship

code testing, 391–397

entity description, 385

interfaces, 389

object graph, 385

project, task and worker, 387

task code, 385–391

usage, 397

visual editor style, 388

One-to-one relationship

makeNewProject function, 378

object graph, 375

project to worker relationship, 375–380

test code, 380–384

usage, 384

worker entity, 376

S

Strings

comparison operator (==), 63–65

contain key phrases, 69–71

file identity options, 72

foundation framework, 49

localization, 71–74

manipulation, 65–69

numbers

currency, scientific notation and spelled out, 78–80

formats, 78–80

math functions, 76–78

primitive type/NSNumber object, 75–76

styles, 79

objects, 50–52

reading file system

iOS application, 54–57

Mac application, 52–54

search options, 69–71

writing file system

iOS application, 59–62

Mac application, 57–59

T, U

Terminal application, 2–4

Threads

@synchronized, 217–222

autorelease, 199–200

background tasks, 204–212

code testing, 200–203

main thread, 198

NSLock, 212–217

NSNumber object, 205, 207

NSObject method, 204

NSThread, 198–199

processes, 198

type cast, 207

UIProgressView, 204

updateUIWhen, 206

ViewController, 204–205

viewDidLoad method, 213

Timer, 193–195

V

Version management

code testing, 401–408

current drop-down box, 399

data model, 397–401

one-to-one relationship, 400

usage, 408

W

Web content

asynchronous, 257–260

file download, 243–245

JSON, 253–256

XML, 245–253

Windows 7

GNUstep

command-line, 411

home directory, 411

installation, 409

packages, 410

shell window, 410–411

tools, 409

Hello World

build log, 413–414

code testing, 415

make file, 413–414

output, 414

text file creation, 412–413

usage, 415–416

write and compile, 412

X

XML

delegate method, 248

LinkShortener, 251–252

NSMutableString, 249

NSURL object and NSData, 246

NSXMLParser, 247–251

parser, 247–251

URL function, 252–253

web services, 245