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updateChangeCount method, NSDocument, 174

uppercaseString, NSString, 75–76

URLs

adding WebView to application, 369–370

opening for Web service, 368–369

user defaults

enabling user to edit, 213–215

NSUserDefaults, 210–211

NSUserDefaultsController, 217

overview of, 207–208

precedence of types, 211

reading and writing from command line, 217–218

setting, 212–213

user interface. See interface layout

userInfo dictionary, 226–227

“uses”, “inherits from” vs., 48

UTExportedTypeDeclarations key, exported UTIs, 175

UTF-8 (Unicode) file encoding, 238

utility area, Interface Builder, 16

UTIs (universal type identifiers)

configuring exported, 170–171

customizing, 303

pasteboards and, 297–300, 303

understanding, 175

V

value transformers, 351

valueForKey method

bindings, 120

key-value coding, 117

key-value observing, 122

variables

inside objects, 5

reading and setting with accessor methods, 50

viewing in debugger, 59–60

view-based table views

bindings, 183–188

vs. cell-based, 191

view classes, object-oriented programming, 129

view controllers. See view swapping

view controllers, in iOS

overview of, 383–385

pushing, 393–395

UITableViewController, 391–393

view swapping

creating view controllers and XIB files, 400–401

overview of, 397–398

resizing window, 403–405

viewDidMoveToWindow, rollovers, 283

views

drag-and-drop to. See drag-and-drop

images and mouse events. See images and mouse events

layers vs., 417

views, custom

cells, 253–254

creating programmatically, 252

drawing with NZBezierPath, 248–250

flipping with isFlipped, 255

keyboard events, 274

overview of, 241

that draw themselves, 243–248

view hierarchy, 241–243

W

weak attribute, properties, 125

_weak variable, blocks, 375–376

__weak qualifier, ARC, 82

weak references

ARC, 81–82

manual reference counting, 72

platforms not supporting ARC, 82

Web services

NSURLConnection class, 361–363

overview of, 359–360

Web view, 369–372, 395

Window Inspector, setting hidesOnDeactivate, 194

window server, 2, 33

windowControllerDidLoadNib: method, 166–169

windowDidLoad method, 203, 214–215

windows

adding sheets to. See sheets

collection of views for, 241

firstResponder of key, 271

iOS app, 383–384

NSUndoManager and, 158

NSWindowController, 167

panels vs.main, 193–194

Word, NSAtrributedString file format, 288

write code, keyboard events, 278–282

writeObjects method, NSPasteboard, 297

writeToPasteboard: method, 298

X

X window server, 2

Xcode

creating new project, 12–14

getting started, 11–12

Interface Builder editor, 4

iPhone and iPad apps using, 383

overview of, 4

XIB files

creating NSFormatters, 342–344

defined, 15

Interface Builder, 17

overview of, 17

translating strings, 239–240

view swapping, 400–401, 403–405

XML parsing

Web services, 359–360

Y

YES

defined, 26

NSArray, 45

NSObject, 44

Z

ZIP archives

listing tar files with .tar and .tgz vs., 460

packaging application for download, 466

zombies, debugging hints, 98

Table of Contents

Preface

Acknowledgments

Chapter 1 Cocoa: What Is It?

A Little History

Tools

Language

Objects, Classes, Methods, and Messages

Frameworks

How to Read This Book

Typographical Conventions

Common Mistakes

How to Learn

Chapter 2 Let’s Get Started

In Xcode

Create a New Project

The main Function

In Interface Builder

The Utility Area

The Blank Window

Lay Out the Interface

The Dock

Create a Class

Create an Instance

Make Connections

A Look at Objective-C

Types and Constants in Objective-C

Look at the Header File

Edit the Implementation File

Build and Run

awakeFromNib

Documentation

What Have You Done?

Chronology of an Application

Chapter 3 Objective-C

Creating and Using Instances

Using Existing Classes

Sending Messages to nil

NSObject, NSArray, NSMutableArray, and