Ten years ago Macromedia coined the term rich Internet application, or RIA, to describe the modern web application: one where a significant amount of data and business logic live on a server or in the cloud, but where the computing power of the desktop is leveraged to provide a great user experience. Flex has been at the center of the RIA landscape since Macromedia introduced it in 2004 and subsequent releases came under the Adobe name in 2006, after Adobe’s acquisition of Macromedia. With the release of Flex 4, Adobe is bringing the power of the RIA to an even broader audience of developers. The book you have in your hand is a great first step in learning to use that power.

Adobe Flex comprises a number of elements. It has a declarative ...

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