Getting Flex working with Drupal is relatively straight forward so long as you set up your flex project environment using these following these steps.
Install as3Corelib into the lib directory of your Flex Project
<mx:Script>
<![CDATA[import these into your flex project using the following actionscript
I am starting to learn Adobe Flex and thought I would share a few useful links to get you started quickly.
This is a useful to showcasing all the default Visual Component, Controls, Validators, Effects and Data Visualisation Components.
Taggraph.com is a superb tool for searching flickr. It is a Flex application which generates a relational tree linking image tags together. It is fast and intuitive.
You have several options available when it comes to interfacing Drupal with Flash / Flex. There are a couple of modules you will want to evaluate