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Flash Developer Center
ActionScript and object-oriented programming
Adobe technology platform ActionScript reference for RIA development
Use this guide both as an API reference and a tool to learn about the ActionScript APIs available within Adobe AIR, Flash Player, and the Flex framework.
New Flash ActionScript 3.0 samples
Adobe (Mar. 31, 2008)
Learn about Flash by doing: These updated samples demonstrate features common in Flash development.
Creating liquid GUIs with Flash and ActionScript 3.0
James O'Reilly (Updated Apr. 21, 2008)
Build dynamic RIA user interfaces that size themselves intelligently to the screen's dimensions.
Notes from the "ActionScript 3.0 from the Ground Up Tour"
Colin Moock (Feb. 11, 2008)
Download the notes handed out at Colin Moock's international ActionScript 3.0 tour covering the fundamental skills needed to program for Flash Player and Adobe AIR.
Handling cue points for audio files in ActionScript 2.0 and ActionScript 3.0
David Stiller (Dec. 3, 2007)
Create a custom Sound class that makes it easy to use cue points for internal sound assets or external MP3s in Flash or Flex apps. (Updated for CS3)
Using ActionScript 3.0 to retrieve MySQL data using a server-side ASP script
Craig Simmons (Nov. 19, 2007)
Discover how you can build a Flash application that pulls data from a MySQL database using XML and a server-side ASP script.
ActionScript 3.0 for developers and designers – Part 1: Creating a preloader
Build a simple, multipurpose preloader in Flash CS3 that both designers and developers can easily reuse and reskin.
Creating ActionScript 3.0 components in Flash
Jeff Kamerer (Sept. 28, 2007)
Get an overview of Flash components, including how they are structured and how they can be deployed to the Components panel.
ActionScript 3.0 Design Patterns excerpt: Factory method and MVC
Download two complete chapters from this hands-on introduction by William B. Sanders and Chadima Cumaranatunge to learn how reusable design patterns solve common problems in Flash and Flex applications.
Essential ActionScript 3.0 excerpt: Display and interactivity
Download two complete chapters from this updated reference by Colin Moock to learn about the core of the ActionScript 3.0 language, as well as the new Flash Player API.
Creating movie clips with reflections in ActionScript 3.0
Ben Pritchard (July 23, 2007)
Apply reflections to movie clips in your Flash projects and modify them using a custom ActionScript 3.0 class.
Object-oriented programming with ActionScript 3.0
Learn about the concept of classes and how ActionScript 3.0 helps you write more portable, reusable code for your web applications.
Filtering XML data in Flash applications using ECMAScript for XML
Andrew Muller (July 2, 2007)
Build an application that utilizes E4X to parse and display multilingual captions from an XML source for a video.
Tips for tuning ActionScript 3.0 performance for Flex and Flash developers
Learn about the Flash Player architecture and AVM2, and improve performance through typing and data binding in your Flex and Flash application development.
New to ActionScript 3.0?
Freshly updated from the ActionScript team and community, these new articles and videos show you how to get started, migrate your Flash applications, and drill down into ActionScript 3.0.
Formatting text for localized Flash projects using CSS, HTML, and ActionScript
Dan Carr (June 18, 2007)
Learn how to create Flash applications that display multiple languages using ActionScript and text formatting techniques.
Examining the Puzzle Game sample application
Valerio Virgillito (May 14, 2007)
Learn about the differences between the ActionScript 2.0 and ActionScript 3.0 versions of this sample Flash application.
Deconstructing the ActionScript 3.0 Flash video gallery application
Dan Carr (April 30, 2007)
Examine the inner workings of an application designed to display a collection of FLV files with thumbnails for easy navigation and playback.
Introduction to event handling in ActionScript 3.0
Use the new EventDispatcher class to track mouse interactions and create your own custom events when building applications in Flex or Flash.
Creating animation in ActionScript 3.0
Jen deHaan (April 16, 2007)
Learn how to programmatically create motion effects to move, resize, transition, and fade movie clips easily in your Flash projects.
Flash and ActionScript components learning guide
Learn how to use the data and media ActionScript 2.0 components included with Flash CS3 as well as the new user interface and video ActionScript 3.0 components.
ActionScript 3.0
Introducing the ActionScript 3.0 debugger
Peter Elst (April 16, 2007)
Take a tour of the new debugger in Flash CS3 Professional and learn how it greatly simplifies troubleshooting issues with ActionScript 3.0 classes and frame scripts in FLA files.
Building an image-viewing widget with ActionScript 3.0
Migrate an image viewer app from ActionScript 2.0 to 3.0 to explore the new capabilities of ActionScript 3.0.
Creating a video player using the state design pattern and ActionScript 3.0
William B. Sanders (May 23, 2007)
Learn about design patterns from this simple state machine that starts and stops a video, and then adapt it to run on Flash Media Server 2 by adding more states and player controls.
Tips for migrating your Flash applications to ActionScript 3.0
Dan Carr (Dec. 10, 2007)
Apply these 15 helpful tips to avoid common pitfalls when building your first Flash application using the latest version of ActionScript.
ActionScript 3.0 Cookbook excerpts: From custom classes to the rendering model
Download five complete chapters from this coding how-to book from O'Reilly Media to get the most out of this new programming language.
Understanding the changes in the display API in ActionScript 3.0
Take this guided tour through two code samples to learn how the display API differs from ActionScript 2.0 to 3.0.
Handling cue points for audio files in ActionScript 2.0 and ActionScript 3.0
David Stiller (Dec. 3, 2007)
Create a custom Sound class that makes it easy to use cue points for internal sound assets or external MP3s in Flash or Flex apps. (Updated for CS3)
ActionScript 2.0
Code reuse with movie clip naming conventions and ActionScript 2.0 classes
Save unnecessary code duplication and debugging efforts by linking a movie clip to a class.
ActionScript 2.0 Best Practices
Jen deHaan (Feb. 20, 2006)
Comment, optimize, and format your code consistently across teams to simplify debugging and maintenance.
Debugging ActionScript 2.0 Code: Lifting the Blindfold
David Stiller (May 30, 2006)
Learn the ins and outs of debugging SWF files when variables and properties may change over time or in response to user input.
Essential ActionScript 2.0: The Model-View-Controller Design Pattern
Colin Moock shows how to plan and build efficient, scalable Flash applications using MVC architecture.
Creating Events Using the EventDispatcher Class
Handle Flash events more efficiently in your code by using the event listener object model.
ActionScript in Flash MX and Flash MX 2004
Find out how ActionScript 2.0 improves the way you code in Flash MX 2004.
Using the New mx.utils.Delegate Class
Learn about this new class, which returns a delegate function for proxying event calls.
Object-Oriented ActionScript
Colin Moock explains ActionScript code structure in this excerpt from Essential ActionScript 2.0 from O'Reilly.
Creating 3D Classes with ActionScript 2.0
Create 3D scenes in Macromedia Flash using a class-based programming model and quaternion math for fast, efficient transformations.
Examining the ActionScript 2.0 Language (Component Architecture)
Read about the new features in ActionScript 2.0 in this article about the new code and component architecture.
Handling cue points for audio files in ActionScript 2.0 and ActionScript 3.0
David Stiller (Dec. 3, 2007)
Create a custom Sound class that makes it easy to use cue points for internal sound assets or external MP3s in Flash or Flex apps. (Updated for CS3)
Introducing the Image API in Flash 8
Learn to use the new BitmapData class in Flash 8 to create and manipulate 32-bit images at runtime with ActionScript.
Building Preloaders and Progress Bars in Flash
Learn how to build snappy and impressive preloaders that will help set the mood for your site.
Converting from ActionScript 1.0 to ActionScript 2.0
Find out what's new and different in this chapter from the Enhanced ActionScript Dictionary.
Using Components with ActionScript 2.0
Find out how to use listeners to handle Flash component events in this Colin Moock chapter.
Creating Movie Clip Subclasses in ActionScript 2.0
Follow the bouncing ball to learn how easy ActionScript 2.0 makes it to create movie clips with predefined behaviors.
The Nature of an Object (OOP in Director and Flash)
Learn about the relationship between classes and objects in this illustrated article on object-oriented programming.
Using the Tween and Transition Classes in Flash MX 2004
Add eye-catching transitions and animations to your SWF files with these classes—even if you're not an ActionScript expert.
ActionScript 1.0 (Flash MX)
Object-Oriented Programming in Director and Macromedia Flash
Get the basics on object-oriented programming and learn how to create objects in Director and Macromedia Flash.
Blueprints and Foundations
Branden Hall explains how to build a solid application from the foundation up.
Get Your Data in Shape
Branden Hall gives you the lowdown on maximizing your use of data structures in ActionScript.
The Pitter-Patter of Little Patterns
Find out why patterns might be the solution to your software problems.
Macromedia Flash MX Event Model
Create interactivity by capturing and handling events (such as mouse and keyboard input) with new event methods.
Introduction to Macromedia Flash MX Drawing Methods
Draw like a pro; use ActionScript rather than the drawing tools.
Michael Williams: ActionScript Coding Best Practices
The foundation of a good application is good code. Learn how to standardize your ActionScript code in this white paper.
Download PDF (716k)
Using Objects in Macromedia Flash MX
Movie clips in a custom class? Instances of buttons and text fields as objects? It’s the enhanced object support in Macromedia Flash MX.
Using Timelines to Manage Application States
Take control of Macromedia Flash MX application states.
Creating Movie Clip Subclasses
Movie clips meet object-oriented programming. Follow the bouncing ball to learn how to use subclasses in this tutorial.
Locking Down Macromedia Flash
Branden Hall explains the how and why of security with Macromedia Flash.
Macromedia Flash MX Undercover
Branden Hall discusses his favorite features of Flash MX.
Advanced Drawing Methods in Macromedia Flash MX
An in-depth look at using the more advanced features of the Flash MX Drawing API.
Creating Forms with Components in Macromedia Flash MX
Learn how to apply the new LoadVars ActionScript object to power form elements in this tutorial.
Macromedia Flash MX Sample Files
The quickest way to learn is to study the code.
Local Connection Objects
Create Macromedia Flash movie-to-movie communication with local connection objects.
Making and Playing Asteroids
Recreate a classic arcade game completely with ActionScript and the Macromedia Flash drawing API.
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