Index
Symbols
// (double slash), comment syntax and, 28
/* (slash asterisk), comment syntax and, 28
A
Absolute Beginner’s Guide to C, Second Edition (Perry), 26
accessories, adding to table cells, 211–213
action sheets
delegates, 257
exercise using, 257–260
function of, 238
in Photo application, 252
summary, 262
when to use, 251
actions
connecting button bar to, 175
IBActions, 130
activity indicators
exercise using, 241–244
function of, 238
showing activity with, 239–240
styles, 240
summary, 261
Activity Monitor, in Instruments, 101
ad hoc
distributing apps, 106–107
testing apps, 105
Add Symbolic Breakpoint, 95
AddViewProjectAppDelegate, 119
alerts
alerting users, 251
creating alert with multiple buttons, 256
creating simple alert, 254–255
delegates, 252–253
function of, 238
summary, 261–262
alloc method
memory management, 54
overview of, 52–53
Amazon.com application, activity indicator on, 239
adding applications, 84
creating, 81–82
error message and, 87
App IDs tab, of Provisioning Portal, 81–82
App Store
app reviews, 3
customizing table rows and, 188
distributing apps via, 107–108
membership in iPhone Developer Program and, 80
navigation controller and, 160–161
overview of, 2
appearance properties, sliders, 277
application badges, 260–261
application settings
changing application name, 334
changing settings while application suspended, 348
field types for settings, 335
key skills and concepts, 330
NSUserDefaults for reading settings, 346
PSChildPaneSpecifier, 344–346
PSGroupSpecifier, 335
PSMultiValueSpecifier, 338–340
PSSliderSpecifier, 342–343
PSTextFieldSpecifier, 335–337
PSToggleSwitchSpecifier, 340–341
reading settings bundle, 347–348
Settings application, 331
settings bundles, 331–334
summary, 348
applicationMusicPlayer, 444
applications
saving application state while multitasking, 368
UIApplication. See UIApplication
apps
creating App ID, 81–82
debugging. See Debugger
deploying to iPhone, 83–88
distributing, 104–108
distributing Core Data with, 430–432
downloading from App Store, 2–3
exercise building universal app for iPad and iPhone, 460–462
installing, 79–80
key skills and concepts, 78–79
obtaining certificates and registering devices, 80–81
provisioning process, 82–83
summary, 108
testing, 101–104
archiving
adopting NSCoding and NSCopying protocols, 358–359
exercise archiving/unarchiving object hierarchies, 364–367
exercise archiving/unarchiving objects, 360–363
NSKeyedArchiver, 359–360
NSKeyedUnarchiver, 360
overview of, 358
saving application state while multitasking, 368
summary, 369
area buttons, Debugger, 90
arguments, multiple-argument messages in Objective-C, 67–69
arrays
NSArray, 352–354
overview of, 35
table lists and, 202
using with pointers, 39–40
assign
as property attribute, 63
specifying properties with, 64–65
attributes
assign, 63
copy, 65–66
creating entities and adding attributes to, 406
in data model, 402
retain, 63
AudioServicesPlaySystemSound, 437
AVAudioPlayer and AVAudioPlayerDelegate, 438–439
exercise playing a sound and an MP3, 439–442
playing music with MPMusicPlayerController, 444–445
playing sounds, 436
audio players, 438
AudioServicesCreateSystemSoundID, 437
AudioServicesPlaySystemSound
overview of, 437
playing sounds, 436
using to vibrate iPhone, 438
autorelease
memory management, 54–55
method using, 58–59
AutorotateToInterfaceOrientation method, for display orientation, 463–464
AVAudioPlayer, playing sounds with, 436, 438–439
AVAudioPlayerDelegate
exercise playing sounds and MP3s, 439–442
methods, 439
overview of, 438
B
background images
on buttons, 265–266
exercising using custom images on buttons, 266–270
badges, application, 260–261
Bar Button items
adding, 173
adding to toolbars, 271
connecting button bar to actions, 175
Fixed Space Bar Button Item, 273
toolbars for adding, 271
bar buttons
adding, 173
adding to Document window, 179
connecting to actions, 175
Bernighan, Brian, 26
bind methods, SQLite, 386–387
blob (binary large object), loading into NSData, 385–386
breakpoints
Add Symbolic Breakpoint, 95
setting in Debugger, 90–91, 94
throwing exceptions as, 95–96
build configurations
releasing, 106
settings, 107
button bars. See bar buttons
buttons
adding images to, 265–266
adding to toolbars, 271
exercising using custom images with, 266–270
overview of, 265
types of, 270–271
C
C language
arrays and structures, 35
command-line programs, 27
comments, 28
control statements, functions, and
conditional statements, 33–34
creating simple program using Xcode, 27–28
data types and operators, 32–33
functions, 35–36
header file, 29–31
key skills and concepts, 26
pointers, 36–38
preprocessor statements, 31–32
printf statement, 36
SQLite database in, 372
summary, 40
using arrays with pointers, 39–40
C layer, 5
The C Programming Language, Second Edition (Kernighan and Ritchie), 40
Caches directory, 350
cameras. See digital camera, iPhone
canvas
adding buttons and activity indicators to, 242
displaying view in, 12–13
dragging controls to, 14–15
toolbar on, 274
capitalization, of text, 280
catalogs
buttons screen, 265
sample application, 264
categories, Objective-C, 72
cells, in tables
accessorizing, 211–213
customizing, 213–218
editing, 226
Certificates tab
obtaining certificates, 83
of Provisioning Portal, 80–81
CFURL, 437
class methods, Objective-C
overview of, 50–51
sayGoodBye class method example, 51–52
classes, Objective-C
categories and, 72
interface and implementation aspects of, 42–44
method declaration and definition, 44–45
overview of, 42
public, private, and protected variables, 48
Clock application, use of tab bars with, 142–143
Cocoa classes, Objective-C using, 42
Cocoa framework, C language and, 26
Cocoa Fundamentals Guide, 9–10
Cocoa layer, 5
Cocoa Touch, 6
Code Sense, in Xcode, 123
code, stepping through with Debugger, 91
collections, preserving as property list. See property lists
column values, obtaining in SQLite, 378
columns, in tables, 186
command-line programs, C language, 27
comments, C language, 28
compiler directives
@implementation and @interface, 44
@private, @public, and @protected, 48
@property, 63
@throw, 74
compilers, use of protypes by, 29
conditional statements, C language, 33–34
Contact button, as button type, 271–272
content views, 128
context, in Core Data
NSManagedObjectContext, 409
overview of, 400–401
saving changes to model data, 415–416
continuous property, sliders, 277
control statements, C language, 33–34
controls
adding images to buttons, 265–266
buttons, 265
creating simple web browser, 291–294
date pickers, 296–299
dragging to canvas, 14–15
exercise creating a toolbar, 273–275
exercise using a switch and a slider, 277–280
exercise using custom images on buttons, 266–270
exercise using date picker, 299–303
exercise using date picker in Timer mode, 303–306
exercise using image picker controller to manage camera and photo library, 320–326
exercise using picker views to select values, 308–312
exercise using picker views with images, 316–320
exercise using picker views with two components, 312–316
key skills and concepts, 264
notifications and, 326–328
picker views, 306–308
segmented, 287–289
sliders, 276–277
subclasses of UIControl, 129
summary, 294
switches (toggle buttons), 276
for text fields, 280–281
for text views, 286
toolbars, 271–273
types of buttons, 270–271
using text field with a number pad, 282–285
for web views, 289–291
copy
creating objects, 65–66
description of property attributes, 63
memory management and, 54
Core Animation, in Instruments, 101
Core Data
adding detail view, 428–430
adding navigation and editing for a group, 417–423
adding navigation and editing for a list of items within a group, 424–427
attributes, 402
creating a model, 401
creating application for displaying, adding, deleting, and editing a list of groups, 417–423
creating new managed objects, 415
deleting managed objects, 416
distributing with apps, 430–432
entities, 401–402
exercise adding entities and relationships to model, 403–407
exercise fetching a group of entities, 412–414
key skills and concepts, 400
model instance, context, and persistence store, 408–409
overview of, 400–401
relationships, 402
retrieving (fetching) set of objects from, 409–411
saving changes to model data, 415–416
sorting fetched objects, 411
summary, 433
updating managed objects, 416
Core OS layer, iPhone/iPad device technology layers, 5
Core Services layer, iPhone/iPad device technology layers, 5
corporate membership, iPhone Developer, 80
CPU Sampler, in Instruments, 101
CSS, web views and, 289
custom buttons, 270
D
data manipulation, with SQLite, 376
data model. See Core Data
data persistence. See SQLite
data sources
adding delegates and data sources, 194–198
UIPickerViewDatasource, 307–308
UITableViewDataSource, 191–194
data types
C language, 32
id variable type, 69–70
databases, SQLite. See SQLite database
datatips, debugging and, 91
Date mode, UIDatePicker, 300
date pickers
Date mode, 300
exercise using, 299–303
exercise using in Timer mode, 303–306
NSDateFormatter, 299
overview of, 296–298
value changed event, 302
dealloc
debugging and, 97–98
memory management and, 54–55
NSObject class and, 66
area buttons, 90
datatips and, 91
deallocating objects and, 97–98
exercise creating Zombie app, 98–101
exercise debugging an application, 93–97
overview of, 89
setting breakpoints, 90–91
stepping through code, 91
testing application with, 22
watchpoints, 92–93
deep copies, 65
default screens, splash screens for universal application, 464–465
defaults, for applications, 346
delegates
applications. See UIApplicationDelegate
AVAudioPlayerDelegate, 438–439
MPMediaPickerControllerDelegate, 443
tables. See UITableViewDelegate
UIActionSheet, 257
UIAlertView, 252–253
UIImagePickerController, 319–320
UIPickerViewDelegate, 307
UIWebView, 290–291
what they are, 120
delete
a list of groups, 417–423
managed objects, 416
rows in tables, 233–234
SQLite database, 387
SQLite records, 395–397
deploying apps, to iPhone, 83–88
deserialization, of property lists, 354–355
Detail Disclosure button, button types, 270–271
detail view, Core Data, 428–430
Developer Connection
documentation available via, 9
downloading Xcode and iOS SDK, 4
Devices tab, Provisioning Portal
installing devices, 83–84
registering devices, 81
digital camera, iPhone
managing with UIImagePickerController, 318–319
notifications and, 326–328
directory structure, 350–351
displays, iPad
connecting to external display, 481–482
exercise centering MoviePlayer on, 478–481
orientation settings, 463–464
popover views, 477–478
screen size, 8–9
splash screens for universal application, 464–465
split views, 465–477
displays, iPhone
screen size, 8–9
splash screens for universal application, 464–465
displays, iPod touch, 8–9
distributing apps
ad hoc deployment and testing, 104–407
overview of, 104
via App Store, 107–108
do-while loops, in C, 34
Document window
adding button bar to, 179
selecting navigation items, 168
UIApplication in, 118
documentation, 9–10
Documents directory
overview of, 350
reading/writing to, 350–351
documents, working with, 482
dynamic binding, 70
dynamic typing, 70
E
Edit button, editing tab bars, 142
Edit mode
accessing, 226
editing table rows, 228–236
methods, 226–227
table view in, 233
Editor pane, View button, 12
entities
attributes of, 402
in data model, 401–402
exercise adding to data model, 403–407
exercise fetching a group of entities, 412–414
fetching with NSFetchRequest, 409–410
NSManagedObject and, 409
relationships and, 402
events
creating and implementing, 404
handling methods in UIApplicationDelegate class, 122
exception handling
Objective-C, 74
throwing exceptions as a breakpoint, 95–96
Extended Markup Language (XML)
exercise preserving to XML property list, 355–357
Root.plist file, 331
F
fetching managed objects
from data models, 409–411
exercise fetching a group of entities, 412–414
field types, for application settings
overview of, 335
PSChildPaneSpecifier, 344–346
PSGroupSpecifier, 335
PSMultiValueSpecifier, 338–340
PSSliderSpecifier, 342–343
PSTextFieldSpecifier, 335–337
PSToggleSwitchSpecifier, 340–341
file sharing, enabling, 482
File’s Owner, removing connection between view and, 93
Firefox SQLite Manager plug-in, creating database with, 372–376
Fixed Space Bar Button Item, adding controls to toolbars, 271, 273
Flexible Space Bar Button Item, adding controls to toolbars, 271
for loops, in C, 34
formats, audio, 437
Foundation framework, 6
functions, declaring, 29, 35–36
G
garbage collection, iPhone/iPad limitations, 9
graphical user interface (GUI), 128
grouped table style
exercise grouping tables, 202–205
groups, exercise fetching a group of entities, 412–414
GUI (graphical user interface), 128
H
header file, creating, 29–31
Home button, suspending applications and, 368
Home directory
NSHomeDirectory, 351
overview of, 350
I
IBOutlets, 117
icons
creating universal application (for iPad or iPhone), 464–465
specifying for applications, 332
id variable type, 69–70
if statements, in C, 34
delegates, 319–320
exercise managing camera and photo library, 318–319
exercise using, 320–326
image views
adding to canvas, 383
creating non-rectangular, 249–250
loading into pickers, 316–320
images
on buttons, 265–266
exercising using custom images on buttons, 266–270
loading image views into pickers, 316–320
in tables, 207–208
@implementation compiler directive, 44
implementation, Objective-C
anatomy of, 46–47
example generating, 43–44
overview of, 42
#import statement, compiling and, 31–32
#include statement, compiling and, 31–32
indexes
exercise using, 205–207
plain tables and, 201
using with Music application on iPod, 187
individual membership, iPhone Developer, 80
Info Dark button, 271–272
Info Light button, 271–272
inheritance, Objective-C
overriding methods allowed, 70–71
overview of, 70
init method, Objective-C, 52–53
insert method, SQLite
inserting records, 390–392
overview of, 387
installing iPhone apps, 79–80
instance methods, Objective-C, 50–51
instance variables
declaring, 44
memory management and, 57–58
public, private, and protected variables, 48
writing methods that set, 62–63
Instruments
exercise finding memory leak on iPhone
simulator, 102–104
overview of, 101
Interface Builder
creating empty XIB Interface Builder, 111
creating simple web browser, 292
customizing table cells, 214–218
editing interface with, 12
IBOutlets and IBActions and, 130
modifying segmented control in, 287
setting keyboard style, 280
setting text view properties, 286
UIView classes and, 128
@interface compiler directive, 44
interface, Objective C
anatomy of, 46–47
example generating, 43–44
overview of, 42
interface, Xcode
editing, 12
overview of, 11–12
saving changes to, 15
interruptions, handling interruptions to UIApplication, 123–126
iOS Application Programming Guide, 9
iOS Development Guide, 9
iOS frameworks, list of, 6–8
iPad
App Store and, 8
connecting to external display, 481–482
creating a universal application, 460
device technology layers, 5–6
exercise adding a split view, 465–477
exercise building an app for iPad and iPhone, 460–462
exercise centering MoviePlayer on iPad screen, 478–481
handling changes to orientation, 463–464
icons and default screens, 464–465
key skills and concepts, 458–460
limitations of, 8–9
movies in a view, 478
popover views for information or editing, 477–478
split views, 465
summary, 483
working with documents, 482
iPad Programming Guide, 9
iPhone
App Store and, 2
debugging iPhone apps. See Debugger
deploying apps to, 83–88
device technology layers, 5–6
exercise building an app for, 460–462
installing apps, 79–80
iPad compared with, 458–460
limitations of, 8–9
Mail application, iPhone, 260
managing camera with UIImagePickerController, 318–319
multimedia and, 436
notifications and, 326–328
provisioning process for apps, 82–83
registering apps, 80–81
testing apps for, 101–104
iPhone Dev Center
membership in, 79–80
registering with, 4–5
iPhone Developer membership, 79–80
iPod
App Store and, 2
More tab on iPod application, 144
multimedia and, 436
screen size, 8–9
use of tab bars for data views, 142–143
using with Music application on iPod, 187
iPodMusicPlayer, 444
items
adding to table view, 235
bar button items. See UIBarButtonItem
media items, 442–445
navigation items. See UINavigationItem
iTunes
distributing apps via App Store, 107–108
downloading apps from App Store, 2
iOS 3.0 and, 436
iTunes Connect Account, 107
J
JavaScript, web views and, 289
K
keyboards
setting type for text field, 281
styles, 280
L
labels
adding, 15–16
adding to toolbars, 273
adding to view, 300
connecting to an IBOutlet, 20
landscape orientation, using iPad in, 463
last in first out (LIFO), stacks and, 163
leaks
exercise finding memory leak, 102–104
in Instruments, 101–102
life cycle
handling application life cycle events, 121–123
Views for managing, 137–140
LIFO (last in first out), stacks and, 163
loops, in C, 34
M
Mail application, iPhone, 260
main function, C language, 27
main.m file, UIApplicationDelegate class, 120–121
adding navigation controller to, 163–164
loading, 118–119
managed objects. See also model, of data objects
adding navigation and editing for a group of, 417–423
creating new, 415
exercise fetching a group of entities, 412–414
fetching from data models, 409–411
updating and deleting, 416
manual memory management, iPhone/iPad limitations, 9
media data classes, 442–443
Media layer, iPhone/iPad device technology layers, 5–6
media picker, 445–451
Media Player, exercise using, 445–451
Media Player Framework
developing music player with, 436
exercise using media picker and Media Player, 445–451
media data classes, 442–443
overview of, 442
playing music with MPMusicPlayerController, 444–445
selecting media items, 443–444
membership, in iPhone Developer Program, 79–80
memory, iPhone/iPad limitations, 8
memory management
example using manual memory management, 55–57
exercise finding memory leak, 102–104
with instance variables, 57–58
methods, 53–55
using autorelease, 58–59
memory-resident applications, iPhone/iPad limitations, 9
messaging, with Objective-C
nesting messages, 49–50
overview of, 48–49
self keyword used in messages, 49
methods
AutorotateToInterfaceOrientation, 463–464
AVAudioPlayerDelegate, 439
Edit mode, 226–227
event handling, 122
NSManagedObject accessors, 406
rollback, 415–416
save, 415–416
UIApplicationMain, 121
UITableView, 190
methods, Objective-C
alloc and init methods, 52–53
autorelease, 58–59
categories and, 72
class and instance methods, 50–51
dealloc, 66
declaration and definition, 44–45
memory management, 53–55
overloading not allowed, 71
overriding methods, 70–71
retain, 57
sayGoodBye class method example, 51–52
sayHello method example, 45–46
writing methods that set instance variables, 62–63
methods, SQLite
bind, 386–387
insert, update, and delete, 387, 390–395
sqlite3_preparev2, 377
sqlite3_step, 378
model instance, in Core Data, 408–409
model, of data objects
attributes, 402
deleting managed objects, 416
entities, 401–402
exercise adding entities and relationships to model, 403–407
fetching managed objects from, 409–411
NSManagedObjectModel, 408
overview of, 401
relationships, 402
saving changes to model data, 415–416
sorting fetched objects, 411
updating managed objects, 416
model, view, controller (MVC) design pattern, 384
More tab
allowing users to customize tab bars, 151
displaying additional tab bars, 142, 144
movies
exercise playing video, 452–454
in iPad view, 478
playing with MPMoviePlayerController, 451–452
MP3s, exercise playing, 439–442
MPMediaItem
initializing media collection, 444–445
as media data classes, 442–443
MPMediaItemCollection, 442–443
MPMediaLibrary, 442
MPMediaPickerController
as media data classes, 442
playing multimedia, 444–445
selecting media items, 443–444
MPMediaPickerControllerDelegate, 443–444
MPMediaQuery
initializing media collection, 444
as media data classes, 442
MPMoviePlayerController
exercise centering MoviePlayer on iPad screen, 478–481
playing video with, 451–454
MPMusicPlayerController
as media data classes, 442
playing music with, 444–445
multimedia
AudioServicesPlaySystemSound, 437
AVAudioPlayer and AVAudioPlayerDelegate, 438–439
exercise playing a sound and an MP3, 439–442
exercise playing video, 452–454
exercise using media picker and Media Player, 445–451
key skills and concepts, 436
media data classes, 442–443
Media Player framework, 442
playing music with MPMusicPlayerController, 444–445
playing sounds, 436
playing video with MPMoviePlayerController, 451–452
selecting media items, 443–444
summary, 452–454
multiple-argument messages, Objective-C, 67–69
multitasking, saving application state while, 368
music application with index, on iPod, 187
MVC (model, view, controller) design pattern, 384
N
navigation
adding for a group of managed objects, 417–423
adding for a list of items within a group, 424–427
creating navigation-based application, 403
navigation bars
adding additional view to, 172–176
adding buttons to, 169
building a three-view application using, 163–172
classes related to, 162
configuring, 177–178
key skills and concepts, 160–161
in Notes application, 186–187
overview of, 162
popping view controllers, 177
summary, 183
using navigation controller in tabs, 178–182
using with tables, 219–225
Utility application using, 176–177
adding additional view, 172–176
building a three-view application using, 163–172
changing between views, 165
configuring navigation bars, 177
connecting to navBarController, 181
connecting to outlets, 166
overview of, 162
popping view controllers, 177
uses of, 160–161
using in tabs, 178–182
using tables in navigation controller in a tab, 219–225
navigation items
changing title of, 179
displaying title of, 173
selecting, 167–168
nested arguments, in Objective-C messages, 49–50
nibs, IBOutlets and IBActions and, 130
non-rectangular view, creating, 249–250
nonatomic, description of property attributes, 63
Notes application
UITableView and UINavigationBar in, 186–187
use of navigation bars by, 162
NSArray
exercise preserving as property list, 352–354
saving as property list, 352
NSCoding protocol
adopting archiving protocols, 358–359
archiving/unarchiving an object, 360
archiving/unarchiving an object hierarchy, 364
NSCopying protocol
adopting archiving protocols, 358–359
archiving/unarchiving an object, 360
archiving/unarchiving an object hierarchy, 364
overview of, 65
NSData
loading blob into, 385–386
saving as property list, 352
NSDate, UIDatePicker and, 297, 299
NSDateFormatter, UIDatePicker and, 299
NSDictionary, saving as property list, 352
NSEntityDescription. See also entities entities in data model, 401
exercise fetching a group of entities, 412–413
retrieving (fetching) set of objects from Core Data, 409
NSException, exception handling with, 74
NSFetchedResultsController, 409
NSFetchRequest
predicates restricting data returned by, 410–411
retrieving (fetching) set of objects from Core Data, 409–410
NSHomeDirectory, 351
NSKeyedArchiver, 359–360
NSKeyedUnarchiver, 360
NSManagedObject
accessor methods generated at runtime, 406
creating subclasses rather than object instances, 415
deleting entities, 416
instantiation and persistence of, 401–402
overview of, 409
NSManagedObjectContext
deleting entities, 416
overview of, 409
undoing changes to model data, 416
NSManagedObjectModel, 408
NSNotification, 326–328
NSNumber
archiving/unarchiving an object, 360
saving as property list, 352
NSObject
converting primitive types to, 352
dealloc method, 66
NSPersistentStoreCoordinator, 408–409
NSPredicate, 410–411
NSPropertyListSerialization, 354–355
NSSearchPathForDirectoriesInDomains, 351
NSSortDescriptor
exercise fetching a group of entities, 412–413
sorting fetched objects, 411
NSString
archiving/unarchiving an object, 360
saving as property list, 352
NSTemporaryDirectory, 351
NSTimer, 251
NSUndoManager, 416
NSURL, 437
NSUserDefaults
changing settings while application suspended, 346
for reading application settings, 346
number pad
exercise using text field with, 282–285
keyboard styles, 280
O
Object Allocations, in Instruments, 101
Object Connection Inspector, 18
object graph, mapping relationships in object models, 400–401
Object Library
accessing, 14
hiding, 15
object-oriented programming. See Objective-C
Objective-C
alloc and init methods, 52–53
assigning properties, 64–65
C language and, 26
categories, 72
class and instance methods, 50–51
classes and objects, 42
compiler directives, 44
copy attribute, 65–66
dynamic typing, 70
example using manual memory management, 55–57
exception handling, 74
id variable type, 69–70
inheritance, 70
interface and implementation anatomies, 46–47
interface and implementation of classes, 42–44
key skills and concepts, 42, 62
memory management methods, 53–55
memory management using autorelease, 58–59
memory management with instance variables, 57–58
method declaration and definition, 44–45
multiple-argument messages, 67–69
nesting messages, 49–50
overloading methods, 71
overriding methods, 70–71
properties, 62–64
protocols, 72–74
public, private, and protected variables, 48
releasing properties, 66
relevant documentation, 9–10
retaining properties, 64
sayGoodBye class method example, 51–52
sayHello method example, 45–46
self keyword used in messages, 49
simple messaging with, 48–49
Objective-C for iPhone Developers: A Beginners Guide (Brannan), 26
Objective-C for iPhone Programmers: A Beginner’s Guide (Brannan), 75
objects
blob (binary large object), 385–386
copying, 65–66
deallocating, 97–98
exercise archiving and unarchiving an, 360–363
exercise archiving and unarchiving an object hierarchy, 364–367
managed. See managed objects
Objective-C, 42
pushing/popping to/from stacks, 163
OpenGL, ES, and System Usage, in Instruments, 101
opening SQLite database, 376, 385
opening Xcode, 10
operators, C language, 33
orientation settings
handling changes to orientation on iPad, 463–464
split views and, 465
OS layers, 5–6
outlets
connecting navigation controller to, 166
connecting views to activity indicators, 242
IBOutlets, 130
overloading methods, 71
overriding methods, 70–71
P
persistence store
in Core Data, 400–401
NSPersistentStoreCoordinator, 408–409
querying with NSFetchRequest, 409–410
saving changes to model data, 415–416
Phone pad, keyboard styles, 280
Photo application, action sheet in, 252
photo library, managing, 318–319
pickers
data sources, 307–308
date pickers, 296–299
delegates, 307
exercise using date picker, 299–303
exercise using date picker in Timer mode, 303–306
exercise using image picker controller to manage camera and photo library, 320–326
exercise using picker views to select values, 308–312
exercise using picker views with images, 316–320
exercise using picker views with two components, 312–316
media picker, 443–444
notifications and, 326–328
overview of, 306–307
picker views, 306–308
summary, 328
pixels, screen sizes and, 8–9
plain table style
indexing tables and, 205–207
playing sounds. See audio
playing video. See video
PNG (Portable Network Graphics), 332
pointers, C language
dereferencing, 38
overview of, 36–37
using, 37–38
using with arrays, 39
popover views, iPad, 477–478
popping, removing objects from stacks, 163
Portable Network Graphics (PNG), 332
portrait orientation, using iPad in, 463
predicates, restricting data returned by NSFetchRequest, 410–411
Preferences directory, 350
preprocessor statements, C language
overview of, 31
using, 31–32
primitive types, converting to NSObjects for serialization, 352
printf statement, outputting with, 36
@private compiler directive, 48
private variables, declaring, 48
processor speed, iPhone/iPad limitations, 8
Programming in Objective-C 2.0 (Kochan), 75
progress bars
exercise using, 244–251
function of, 238
showing progress with, 244
summary, 261
projectors, connecting iPad to, 481
properties, Objective-C
assigning, 64–65
copying, 65–66
overview of, 62–64
releasing, 66
retaining, 64
@property compiler directive, 63
property lists
exercise preserving NSArray as, 352–354
exercise preserving to XML property list, 355–357
NSPropertyListSerialization, 354–355
overview of, 351–352
serialization and, 352
summary, 369
@protected compiler directive, 48
protected variables, declaring, 48
protocols
adopting NSCoding and NSCopying protocols, 358–359
Objective-C, 72–74
prototypes, function signatures and, 29
Provisioning Portal
App IDs tab, 82
Certificates tab, 80
Devices tab, 81
Provisioning Profile tab, 83
provisioning process, for iPhone apps, 82–83
Provisioning Profile tab
overview of, 82–83
provisioning process, 84–86
PSChildPaneSpecifier
adding, 344–346
overview of and list of settings, 344
PSGroupSpecifier, 335
PSMultiValueSpecifier, 338–340
PSSliderSpecifier, 342
PSTextFieldSpecifier
adding, 336–337
list of settings, 336
overview of, 335
PSToggleSwitchSpecifier
adding, 340–341
overview of and list of settings, 340
@public compiler directive, 48
public variables, declaring, 48
pushing, placing objects on stacks, 163
Q
queries, SQLite database, 385
Quick-start example, 10–23
R
readonly, property attribute, 63
readwrite, property attribute, 63
records, SQLite
adding using SQLite Manager, 375
deleting, 395–397
inserting, 390–392
selecting, 378
updating, 392–395
registration, of apps, 80–81
relationships
in data model, 402
exercise adding, 403–407
specifying between group and subgroup, 407
release method
description of property attributes, 63
memory management, 54–55
overview of, 66
resolution, screen size and, 8–9
description of property attributes, 63
memory management, 53–55
retaining instance variable, 57
using properties with, 64
return key, keyboard settings, 281
Ritchie, Dennis, 26
rollback method, undoing changes to model data, 415–416
Root.plist
adding, 341
PSChildPaneSpecifier, 344
PSMultiValueSpecifier, 339
PSSliderSpecifier, 343
PSTextFieldSpecifier, 337
in settings bundle, 331
Round Rect button, 270
rows, in tables
deleting and moving, 233–234
editing, 228–236
handling row selections, 224–225
height settings, 210–211
selecting, 209–210
S
save method, saving changes to model data, 415–416
screen size. See also displays
external displays on iPad and, 482
iPhone/iPad limitations, 8–9
scrolling, 129
SDK (Software Development Kit)
how to obtain, 4–5
prerequisites to downloading, 79
security, iPhone/iPad limitations, 9
segmented controls, 287–289
select statement, selecting records from SQL database, 378
self keyword, in Objective-C messages, 49
serialization
NSPropertyListSerialization, 354–355
property lists and, 352
Settings application. See also application settings
adding application settings to, 330
MySettings interface on iPhone simulator, 333
overview of, 331
settings bundles
creating, 332–334
reading, 347–348
types of files in, 331–332
shallow copies, 65
short-lived applications, iPhone/iPad limitations, 9
signatures, function names, 29
simulator, iPad
with full-screen display, 462
with iPhone sized display, 459
simulator, iPhone
allowing users to customize tab bars, 153–156
exercise finding memory leak, 102–104
running three-tab application in, 148
running two-tabbed application in, 151
starting application, 20–21
viewing newly created application in, 116
sliders
adding controls to toolbars, 271
exercise using, 277–280
overview of, 276–277
properties, 277
Software Development Kit (SDK)
how to obtain, 4–5
prerequisites to downloading, 79
sorting, objects retrieved from data models, 411
sounds. See audio
spacers, adding to toolbars, 274
spell checking, 280
split views
exercise adding, 465–477
overview of, 465
popover views and, 477
SQLite database
adding, 372
basic data manipulation, 376
bind methods, 386–387
closing, 386
deleting records, 395–397
exercise creating, 372–376
insert, update, and delete methods, 387
inserting records, 390–392
key skills and concepts, 372
loading, 379–384
loading blob into NSData, 385–386
MVC design pattern and, 384
obtaining column values, 378
opening, 376
opening and querying, 385
preparing and executing statement, 377–378
return codes, 376
selecting records, 378
summary, 397
updating records, 392–395
working with records, 388–390
SQLite Manager plug-in, for Firefox, 372–376
sqlite3_open command, 376
sqlite3_preparev2 method, 377
sqlite3_step method, 378
sqlite3_stmt, 377
stacks, 163
state
saving application state while multitasking, 368
selecting button’s state, 268
statements, preparing and executing SQLite statements, 377–378
status bars, 160
stepping through code, with Debugger, 91
structures (structs), 35
styles
activity indicators, 240
keyboard, 280
styles, tables
exercise grouping tables, 202–205
indexing tables, 205–207
overview of, 201
UITableViewStyleGrouped, 189, 202
UITableViewStylePlain, 189
switch statements, in C, 34
switches
adding controls to toolbars, 271
exercise using a switch and a slider, 277–280
overview of, 276
T
Tab Bar Application template, 145–146
tab bar controller, 144
tab bar controller delegate, 144
tab bar items
adding tab bar items to tab bar
applications, 147–148
individual tabs, 144
tab bars
adding items to, 147–148
allowing users to customize, 151–156
classes related to, 142–144
creating tab bar application from scratch, 148–151
creating tab bars, 144
exercise using Tab Bar Application template, 145–146
key skills and concepts, 142
navigation controller used in tabs, 178–182
summary, 156–157
using with tables, 219–225
table view controllers
creating and managing table views with, 191–194
exercise using, 198–201
table view data sources
adding, 194–198
creating new class that adopts data sources, 191–194
methods, 190
overview of, 189
adding, 194–198
creating new class that adopts delegates, 191–194
methods, 190
overview of, 189
table view styles
table views
accessorizing cells, 211–213
adding, 191
adding delegates and data sources, 194–198
adopting UITableViewDelegate and UITableViewDataSource, 191–194
cells. See cells, in tables
customizing cells, 213–218
editing cells, 226–227
editing rows, 228–236
exercise grouping, 202–205
grouped table style, 202
images in, 207–208
indexing, 205–207
key skills and concepts, 186
in Music application, 187–188
navigation bars and tabs used with, 219–225
in Notes application, 186–187
row height options, 210–211
row selection, 209–210
rows. See rows, in tables
styles, 201
summary, 236
UITableView, 189
UITableViewController, 198–201
UITableViewDataSource, 189–190
UITableViewDelegate, 189–190
Targeted Device Family
setting to iPad, 461
setting to iPhone, 460
templates
Tab Bar Application template, 145–146
Utility Application template, 176–177
View-based Application template, 131–133
Window-based Application template, 133–137
testing iPhone apps, 101–104
text fields
adding controls to toolbars, 271
overview of, 280–281
using with a number pad, 282–285
text views, 286
@throw compiler directive, 74
timers
exercise using date picker in Timer mode, 303–306
NSTimer, 251
tmp directories
NSTemporaryDirectory, 351
overview of, 350
reading/writing to, 350–351
toggle buttons. See switches
toolbars
adding to canvas, 383
exercise creating, 273–275
overview of, 271–273
placing labels on, 273
translucent, making toolbars, 275
U
UIActionSheet
delegates, 257
exercise using, 257–260
function of, 238
in Photo application, 252
summary, 262
when to use, 251
UIActionSheetDelegate, 257
UIActivityIndicatorView
exercise using, 241–244
function of, 238
showing activity with, 239–240
styles, 240
summary, 261
alerting users, 251
creating alert with multiple buttons, 256
creating simple alert, 254–255
delegates, 252–253
function of, 238
summary, 261–262
UIAlertViewDelegate, 252–253
UIApplication
adding UIView and UIViewController to UIApplicationDelegate, 110–117
connecting with UIWindow and UIApplicationDelegate, 117–118
handling application life cycle events, 121–123
handling interruptions, 123–126
loading MainWindow.xib, 118–119
overview of, 110
summary, 123–126
UIApplicationDelegate and, 119–121
UIApplicationDelegate
adding UIView and UIViewController to, 110–117
connecting with UIWindow, 117–118
event handling methods, 122
handling application life cycle events, 121
main.m file, 120–121
overview of, 119–120
UIApplicationMain method, 121
UIBarButtonItem
adding, 173
connecting button bar to actions, 175
toolbars for adding, 271
UIButton
button types, 270–271
exercising using custom images with, 266–270
with images, 265
UICatalog
buttons screen, 265
sample application, 264
UIControl, 129
UIDatePicker
Date mode, 300
exercise using, 299–303
exercise using in Timer mode, 303–306
NSDateFormatter, 299
overview of, 296–298
value changed event, 302
UIDocumentInteractionController, 482
UIFileSharingEnabled, 482
UIImagePickerController
delegates, 319–320
exercise managing camera and photo library, 318–319
exercise using, 320–326
UIImagePickerControllerDelegate, 319–320
UIImageView
adding to canvas, 383
creating non-rectangular view with, 249–250
loading image views into pickers, 316–320
UIKit framework
overview of, 6
UIView classes in, 129
UILabel, 300
UINavigationBar. See also navigation bars
in Notes application, 186–187
overview of, 162
UINavigationController. See also navigation controllers
adding additional view, 172–176
building a three-view application using, 163–172
configuring navigation bars, 177
connecting to navBarController, 181
overview of, 162
popping view controllers, 177
using navigation controller in tabs, 178–182
UINavigationItem
changing title of navigation item, 179
displaying title of, 173
selecting navigation items, 167–168
data sources, 307–308
delegates, 307
exercise using a picker, 308–312
exercise using with two components, 312–316
loading image views into pickers, 316–320
overview of, 306–307
UIPickerViewDatasource, 307–308
UIPickerViewDelegate, 307
UIProgressView
exercise using, 244–251
function of, 238
showing progress with, 244
summary, 261
UIScrollView, 129
UISegmentedControl, 287–289
UISlider
appearance properties, 277
continuous property, 277
exercise using, 277–280
overview of, 276
values, 277
UISpllitViewController
exercise adding a split view, 465–477
overview of, 465
popover views and, 477
UISwitch
adding controls to toolbars, 271
exercise using, 276
exercise using a switch and a slider, 277–280
UITabBar
adding items to, 147–148
allowing users to customize, 151–156
classes related to, 142–144
creating tab bar application from scratch, 148–151
creating tab bars, 144
exercise using Tab Bar Application template, 145–146
key skills and concepts, 142
navigation controller used in tabs, 178–182
summary, 156–157
using with tables, 219–225
UITabBarController, 144
UITabBarControllerDelegate, 144
UITabBarItem
adding tab bar items to tab bar applications, 147–148
individual tabs, 144
UITableView. See also table views
adding to a view, 191
cells. See cells, in tables
in Music application, 187–188
in Notes application, 186–187
overview of, 189
rows. See rows, in tables
UITableViewController
creating and managing table views with, 191–194
exercise using, 198–201
UITableViewDataSource
adding, 194–198
creating new class that adopts data sources, 191–194
methods, 190
overview of, 189
UITableViewDelegate
adding, 194–198
creating new class that adopts delegates, 191–194
methods, 190
overview of, 189
UITableViewStyleGrouped, 189
exercise grouping tables, 202–205
overview of, 202
UITableViewStylePlain
indexing tables and, 205–207
UITextField
exercise using text field with a number pad, 282–285
overview of, 280–281
UITextView, 286
UIToolBar
adding to canvas, 383
exercise creating toolbars, 273–275
overview of, 271–273
placing labels on toolbars, 273
UIView
adding to UIApplicationDelegate, 110–117
application life cycle events and, 137–140
creating UITableView as subview of, 194
exercise using View-based Application template, 131–133
exercise using Window-based Application template, 133–137
IBOutlets and IBActions and, 130
overview of, 128
subclasses of, 129
summary, 140
view-based application template, 130
UIViewController
adding to UIApplicationDelegate, 110–117
application life cycle events and, 137–140
exercise using View-based Application template, 131–133
exercise using Window-based Application
template, 133–137
function of, 128
overview of, 129
UIWebView
delegates, 290–291
exercise creating simple web browser, 291–294
overview of, 289–290
UIWebViewDelegate, 290–291
UIWindow
connecting UIApplicationDelegate with, 117–118
using iPad with external display, 481
uniform resource locators (URLs)
CFURL and NSURL, 437
keyboard styles, 280
update method
managed objects, 416
SQLite records, 392–395
URLs (uniform resource locators) CFURL and NSURL, 437
keyboard styles, 280
user-friendly applications, 238
Utility application, navigation bars used with, 176–177
V
variables
id variable type, 69–70
instance variables. See instance variables
VGA display, connecting iPad to, 481
video. See also multimedia
exercise playing video, 452–454
playing video with MPMoviePlayerController, 451–452
View-based Application template, 131–133
view controllers
adding to UIApplicationDelegate, 110–117
application life cycle events and, 137–140
exercise using View-based Application template, 131–133
exercise using Window-based Application template, 133–137
function of, 128
overview of, 129
views
adding to UIApplicationDelegate, 110–117
application life cycle events and, 137–140
content views, 128
creating UITableView as subview of, 194
exercise using View-based Application template, 131–133
exercise using Window-based Application template, 133–137
IBOutlets and IBActions and, 130
removing from view controller, 93
subclasses of, 129
summary, 140
view-based application template, 130
W
watchpoints, setting in Debugger, 92–93
web views
delegates, 290–291
exercise creating simple web browser, 291–294
overview of, 289–290
while loops, in C, 34
Window-based Application template
creating tab bar applications from scratch, 148–151
exercise using, 133–137
Window-based Applications
building a three-view application, 163
creating in Xcode, 110
windows
connecting UIApplicationDelegate with UIWindow, 117–118
UIWindow for using iPad with external display, 481
www.appstoreapps.com, 3
X
Xcode
building for latest version of SDK (default), 86
code completion and preferences, 123–124
Code Sense in, 123
creating simple C program, 27–28
creating window-based application in, 110
debugging and testing tools, 88
downloading and installing, 4
interface for, 11–12
opening, 10
View-based application template, 130
XML (Extended Markup Language)
exercise preserving to XML property list, 355–357
Root.plist file, 331
Y
YouTube
customizing table rows and, 188
example of YouTube app with plain buttons, 266
Z
Zombie app, 98–101