Sams Teach Yourself Objective-C in 24 Hours, Second Edition

Index

Symbols

@ (at symbol), 74

^ (carat), 264

: (colon), 145

- (hyphen), 142

+ (plus sign), 35, 142

[] (square brackets), 94

A

abstract classes, 106

abstraction, 24-25

accessing

objects in collections, 218

properties

with dot syntax, 134-135

with message syntax, 133

accessors

creating with @synthesize, 138

explained, 28, 136, 226

actions

building apps with, 150-159

iOS apps, 155-157

OS X apps, 151-154

disconnecting, 161

headers, 159

IBAction, 159

OS X versus iOS, 159-161

overview, 107, 149-150

removing, 161

setting breakpoints on, 160

addObserver method, 186

addObserverForName method, 186

allObjects method, 215

alloc method, 35, 37-38, 113

allocating objects, 37-38

anonymous categories. See extensions

anyObject method, 218

AppDelegate class ...