The ArcGIS API for Flex™ allows the creation of Rich Internet applications on top of ArcGIS Server. It is integrated with Adobe Flex Builder 3 and can be downloaded for free from the ArcGIS Server Resource Center. Flex is a client-side technology that is rendered by Flash Player 9 or Adobe AIR.
To use the Flex API you simply download the ArcGIS API for Flex library and start creating your Flex application using Flex Builder 3 (or your Flex tool of choice).
Play around with the Flex sample below or see more samples in action!
