Flash Builder 4 bundled with the Flex 4 SDK, Adobe's latest release for Flex developers, represents a big leap forward for one of the dominant toolsets in the rich internet application development sphere. Author David Gassner reviews the dozens of new features in Flash Builder 4 and Flex 4 New Features, explaining critical information for both developers who are upgrading from Flex 3 and for those who are just getting started. Exercise files accompany the course.
Understanding MXML namespaces
Moving classes and components between packages
Managing templates for new MXML and ActionScript files
Exploring MXML language changes
Working with the Spark component framework
Adding visual controls with CSS, MXML graphics, and custom Spark skins