Deploying your application

By default, Flex Builder sets compiler settings for your development needs, such as warning messages, strict data type checking, and so on. This means that when you compile and build your Flex application, it outputs a debug version of the SWF file that is stored in the bin-debug folder. This debug version of SWF file should not be used for the production mode for the simple reason that it contains debug information, and also the overall application size is more than the non-debug version, which may cause performance-related issues.

You can set compiler settings for your deployment needs, such as accessibility, Flash Player version detection, wrapper generation, and browser history management. To modify compiler settings, right-click on your project and choose the Properties menu option, and then select the Flex Compiler option from the Properties window as shown in following screenshot:

In the compiler settings, you can set many compiler-related options, such...