Flex Documentation

Usually I look at other people’s code and general guidelines to learn new programming language. But its very important to know the programming language and its syntax. Adobe has published good range of documentation on its website.

Link: http://www.adobe.com/support/documentation/en/flex/

Following is the list of available documents / references.

Installing Flex 2.0.1
(HTML)

Flex 2 Developer's Guide
PDF (PDF, 10.5MB) Zip (.zip, 5.5MB) HTML (LiveDocs format)

Creating and Extending Flex 2 Components
PDF (PDF, 1.3MB) Zip (.zip, 0.9MB) HTML (LiveDocs format)

Building and Deploying Flex 2 Applications
PDF (PDF, 2.7MB) ZIP (.zip, 1.7MB) HTML (LiveDocs format)

Programming ActionScript 3.0
PDF (PDF, 3.8MB) ZIP (.zip, 2.3MB) HTML (LiveDocs format)

ActionScript 3.0 examples
ZIP (.zip, 0.5MB)
Many topics in Programming ActionScript 3.0 include descriptions of example applications; the source code used to build these examples is available for download

Migrating Applications to Flex 2
PDF (PDF, 900KB) ZIP (.zip, 600KB)

Documentation ZIP file
ZIP (.zip, 45.5MB)
The Flex documentation ZIP file contains the Flex 2 usage documentation in PDF format and the Flex 2 Language Reference and Flex Data Services 2 Javadocs files in HTML format.

If you really want to get into the roots of Flex, download the Documentation zip files, it includes everything you need to know.

All the best