Flash Builder 4 and Flex 4 Bible- P3: When Macromedia first released Flash MX in 2002, the product was branded as the new way to build Rich Internet Applications (known by the acronym RIA). The term was invented at Macromedia to describe a new class of applications that would offer the benefits of being connected to the Internet, including access to various types of Web-based services, but would solve many of the nagging issues that had been inherent in browser-based applications since the mid-1990s | Chapter 2 Using Flash Builder 4 Once you ve created a simple document class successfully you can then add as many ActionScript classes as your presentation requires. And when you set the linkage properties of a movieclip symbol in Flash Professional to a new ActionScript class you can then jump to Flash Builder to create and edit the class just as you did with the document class. Summary In this chapter I described the nature and behavior of Flash Builder 4. You learned the following Flash Builder 4 is a plug-in designed for use with Eclipse. Flash Builder 4 is available for the Windows and Mac OS X operating systems. Flash Builder s stand-alone configuration includes everything you need to build Flex applications including Eclipse . Flash Builder s plug-in installation option enables you to install Flash Builder on top of an existing Eclipse installation. The Flash Builder plug-in installation requires Eclipse . Flash Builder can be used by both Flex and Flash developers to edit their ActionScript files. Flash Builder adds many tools in the form of Views and Editors to Eclipse to make coding faster and more productive. Flash Builder includes many valuable code generation searching and refactoring tools to make your coding experience more productive. Flash Builder 4 and Flash Professional CS5 are designed to work together to create a seamless ActionScript editing experience. Many tools that are a part of the Eclipse workbench are critical to effective use of Flash Builder. 71 CHAPTER Building a Basic Flex Application In this chapter I describe how to create and deploy a basic Hello World Flex application for the Web. After the application is built I describe the fundamental nature of a Flex application including the relationship between the application SWF file and the supporting HTML Hypertext Markup Language files. I describe the contents of the HTML wrapper file that s generated for you in Flash Builder and its associated JavaScript library file. Finally