Adobe FLEX 2-PROGRAMMING ACTIONSCRIPT 3.0 Bedienungsanleitung

Programming ActionScript 3.0

Adobe®Flex™

Flex 2 Programming ActionScript 3.0

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Contents

PART 1: OVERVIEW OF ACTIONSCRIPT PROGRAMMING

About This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Using this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Accessing ActionScript documentation . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Developer Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Chapter 1: Introduction to ActionScript 3.0 . . . . . . . . . . . . . . . . . . 15

About ActionScript. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Advantages of ActionScript 3.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

What’s new in ActionScript 3.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Compatibility with previous versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Chapter 2: Getting Started with ActionScript . . . . . . . . . . . . . . . 23

The basic ActionScript development process . . . . . . . . . . . . . . . . . . . . 23

Options for organizing your code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Example: Creating a basic application . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Chapter 3: ActionScript Language and Syntax . . . . . . . . . . . . . 35

Language overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Objects and classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Packages and namespaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Data types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Operators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Conditionals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Looping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Chapter 4: Object-Oriented Programming in ActionScript . . . . 107

Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107

Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126

Inheritance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130

4Contents

Advanced topics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Example: GeometricShapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Chapter 5: Display Programming . . . . . . . . . . . . . . . . . . . . . . . . . 159

Understanding the display architecture . . . . . . . . . . . . . . . . . . . . . . . . . 160

Working with display objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Basics for working with the core display classes . . . . . . . . . . . . . . . . . 176

Example: SpriteArranger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

PART 2: CORE ACTIONSCRIPT 3.0 DATA TYPES AND CLASS-

Chapter 6: Working with Dates and Times . . . . . . . . . . . . . . . . . 197

Managing calendar dates and times . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Controlling time intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201

Example: Simple analog clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

Chapter 7: Working with Strings . . . . . . . . . . . . . . . . . . . . . . . . 209

Creating strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

The length property. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211

Working with characters in strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211

Comparing strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212

Obtaining string representations of other objects . . . . . . . . . . . . . . . . 213

Concatenating strings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

Finding substrings and patterns in strings . . . . . . . . . . . . . . . . . . . . . . . 214

Converting strings between uppercase and lowercase . . . . . . . . . . . 219

Example: ASCII Art . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

Chapter 8: Working with Arrays . . . . . . . . . . . . . . . . . . . . . . . . . 227

Indexed arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227

Associative arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .236

Multidimensional arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240

Cloning arrays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243

Advanced Topics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243

Example: PlayList . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Chapter 9: Handling Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255

Types of errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .256

Error handling in ActionScript 3.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .258

Working with the debugger version of Flash Player . . . . . . . . . . . . . 260

Contents 5

Handling synchronous errors in an application . . . . . . . . . . . . . . . . . . .261

Creating custom error classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266

Responding to error events and status . . . . . . . . . . . . . . . . . . . . . . . . . 267

Comparing the Error classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

Example: CustomErrors application. . . . . . . . . . . . . . . . . . . . . . . . . . . . 277

Chapter 10: Using Regular Expressions . . . . . . . . . . . . . . . . . . . 285

Introduction to Regular Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

Regular expression syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287

Methods for using regular expressions with strings . . . . . . . . . . . . . . 303

Example: A Wiki parser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304

Chapter 11: Working with XML . . . . . . . . . . . . . . . . . . . . . . . . . . . 311

A quick introduction to XML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .312

The E4X approach to XML processing . . . . . . . . . . . . . . . . . . . . . . . . . .313

XML objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .315

XMLList objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317

Initializing XML variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .319

Assembling and transforming XML objects . . . . . . . . . . . . . . . . . . . . . 320

Traversing XML structures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322

Using XML namespaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327

XML type conversion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328

Reading external XML documents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330

Example: Loading RSS data from the Internet . . . . . . . . . . . . . . . . . . 330

PART 3: FLASH PLAYER APIS

Chapter 12: Flash Player API Overview . . . . . . . . . . . . . . . . . . . 337

flash.accessibility package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338

flash.display package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338

flash.errors package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339

flash.events package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339

flash.external package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340

flash.filters package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340

flash.geom package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340

flash.media package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .341

flash.net package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .341

flash.printing package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .341

flash.profiler package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342

flash.system package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342

6Contents

flash.text package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .342

flash.ui package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .342

flash.utils package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .343

flash.xml package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .343

Chapter 13: Handling Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345

Introduction to Event Handling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .346

How ActionScript 3.0 event handling differs from earlier versions .347

The event flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350

Event objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .352

Event listeners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .357

Example: Alarm Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .365

Chapter 14: Networking and Communication . . . . . . . . . . . . . . . 371

Working with external data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .372

Connecting to other Flash Player instances . . . . . . . . . . . . . . . . . . . . .379

Socket connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .385

Storing local data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390

Working with file upload and download . . . . . . . . . . . . . . . . . . . . . . . . 394

Example: Building a Telnet client. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404

Example: Uploading and downloading files. . . . . . . . . . . . . . . . . . . . . 408

Chapter 15: Working with Geometry . . . . . . . . . . . . . . . . . . . . . . 417

Using Point objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417

Using Rectangle objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420

Using Matrix objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .423

Example: Applying a matrix transformation to a display object. . . . .428

Chapter 16: Client System Environment . . . . . . . . . . . . . . . . . . 433

System class. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .433

Capabilities class . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .435

ApplicationDomain class . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .436

IME class . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439

Example: Detecting system capabilities. . . . . . . . . . . . . . . . . . . . . . . . 444

Chapter 17: Flash Player Security. . . . . . . . . . . . . . . . . . . . . . . . 449

Flash Player Security overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450

Overview of permission controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452

Security sandboxes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 461

Restricting networking APIs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 464

Full-screen mode security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .465

Contents 7

Loading content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467

Cross-scripting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470

Accessing loaded media as data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474

Loading data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 477

Loading embedded content from SWF files imported into a security do-

main . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479

Working with legacy content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480

Setting LocalConnection permissions. . . . . . . . . . . . . . . . . . . . . . . . . . .481

Controlling access to scripts in a host web page. . . . . . . . . . . . . . . . . .481

Shared objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483

Camera, microphone, Clipboard, mouse, and keyboard access . . . 484

Chapter 18: Printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487

What’s new for the PrintJob class using ActionScript 3.0 . . . . . . . . 488

Printing a page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 488

Flash Player tasks and system printing . . . . . . . . . . . . . . . . . . . . . . . . . 489

Setting size, scale, and orientation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 493

Example: Multiple-page printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495

Example: Scaling, cropping, and responding. . . . . . . . . . . . . . . . . . . . 498

Chapter 19: Using the External API. . . . . . . . . . . . . . . . . . . . . . . .501

About the External API . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 502

Using the ExternalInterface class . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 503

Example: Using the External API with a web page container . . . . . . 507

Example: Using the External API with an ActiveX container . . . . . . .514

8Contents

PART 1

Overview of ActionScript

Programming

This part describes fundamental programming concepts in ActionScript 3.0.

The following chapters are included:

About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Chapter 1: Introduction to ActionScript 3.0 . . . . . . . . . . . . . . . . . . . 15

Chapter 2: Getting Started with ActionScript . . . . . . . . . . . . . . . . .23

Chapter 3: ActionScript Language and Syntax. . . . . . . . . . . . . . . .35

Chapter 4: Object-Oriented Programming in ActionScript. . . . . 107

Chapter 5: Display Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

Dieses Handbuch passt für folgende Modelle

Inhaltsverzeichnis

Andere Adobe Software Handbücher

Adobe

Adobe 65009963 - After Effects CS4 Bedienungsanleitung

Adobe

Adobe 09972554AD01A12 - Acrobat Pro - Mac Bedienungsanleitung

Adobe

Adobe 65023809 - Creative Suite 4 Master... Konfigurationshandbuch

Adobe

Adobe 29400084 - Photoshop CS3 Extended Bedienungsanleitung

Adobe

Adobe 65015459 - Contribute CS4 Bedienungsanleitung

Adobe

Adobe 62000112DM - Acrobat 3D - PC Bedienungsanleitung

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Adobe PHOTOSHOP CS2 Bedienungsanleitung

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Adobe 65009333 - InCopy CS4 - PC Leitfaden

Adobe

Adobe 65036570 - Director - PC Bedienungsanleitung

Adobe

Adobe 22002418 Bedienungsanleitung

Adobe

Adobe 18030211 - Creative Suite 2 Standard Bedienungsanleitung

Adobe

Adobe FLASH PLAYER 10 - FOR IMMEDIATE RELEASE Bedienungsanleitung

Adobe

Adobe FLASH PLAYER 10 Bedienungsanleitung

Adobe

Adobe 65024872 - InDesign CS4 - Mac Bedienungsanleitung

Adobe

Adobe PREMIERE PRO 2.0 Bedienungsanleitung

Adobe

Adobe 27510753 - InDesign CS2 - PC Bedienungsanleitung

Adobe

Adobe 65016169 - Photoshop CS4 Extended Betriebsanleitung

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Adobe 65029121 - Flash Media Streaming Server Bedienungsanleitung

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Adobe DRIVE 2 Bedienungsanleitung

Adobe

Adobe PHOTOSHOP 6.0 Bedienungsanleitung

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Adobe FLASH CS3 PRO Bedienungsanleitung

Adobe

Adobe DEVICE CENTRAL CS4 - READ ME Leitfaden

Adobe

Adobe 25510629 - After Effects CS3 Professional Bedienungsanleitung

Adobe

Adobe PHOTOSHOP ELEMENTS 2 Bedienungsanleitung

Beliebte Software Handbücher anderer Marken

COMPRO

COMPRO COMPROFM Bedienungsanleitung

Muratec

Muratec OFFICEBRIDGE ONLINE Bedienungsanleitung

Oracle

Oracle Contact Center Anywhere 8.1 Bedienungsanleitung

Avaya

Avaya NULL One-X for RIM Blackberry Bedienungsanleitung

HP ProLiant BL420c Bedienungsanleitung

PS Audio

PS Audio PowerPlay Betriebsanleitung

Brady

Brady LOCKOUT PRO 3.0 Service-Handbuch

Avaya

Avaya Interaction Center Bedienungsanleitung

Texas Instruments

Texas Instruments TI-83 Plus Silver Edition Handbuch

Novell

Novell GROUPWISE 8 - INTERNET AGENT Bedienungsanleitung

Oracle

Oracle Application 9i Bedienungsanleitung

Acer

Acer RDM Bedienungsanleitung

Canon

Canon Vixia HF21 Bedienungsanleitung

Canon

Canon ZR950 Bedienungsanleitung

Samsung

Samsung Auto Backup Bedienungsanleitung

Polycom

Polycom Vortex EF2201 Montage- und Bedienungsanleitung

Brocade Communications Systems

Brocade Communications Systems Brocade 8/12c Bedienungsanleitung

Novell

Novell SP2 - S Bedienungsanleitung