MP3 streaming audio support in Flash 4 allows designers to create new Web audio applications, such as long-form animations with voiceovers and background music, while keeping files small enough for efficient, low-bandwidth delivery.
Newly introduced support for text entry fields in Flash 4 allows developers to create more attractive and better integrated Web forms, applications, and e-commerce front ends. Sites can now easily gather customer data from within Flash-based Web pages, and then pass that information to a Web server. Flash offers extensive control over how user-entered information is displayed, allowing designers to create richly interactive Web sites without sacrificing aesthetic control.
Flash 4 takes interactivity a step further, with an enhanced set of Actions that allow Flash developers to create interactive interfaces and distinctive Web applications without needing to do any programming. New Actions in Flash 4 enable sophisticated behaviors such as draggable interface elements, conditional logic, and basic mathematics, simplifying the creation of Web shopping cart applications, for example.
The Flash 4 authoring interface has been revamped to make creating distinctive Flash sites faster and easier. Improvements include new Inspector palettes and drawing tools, as well as simplified layer management so that creating original content in Flash is more intuitive. An optimized Timeline and smart motion guides streamline the process of creating animations; and an improved Library palette with sorting, grouping, and usage tracking capabilities eases asset management. Finally, a new Publish command outputs the range of Flash-supported formats—including multiple versions of HTML, compressed bitmaps, and even the new QuickTime 4—with a single mouse-click.