Specifications

249ADOBE FLEX 3
Building and Deploying Adobe Flex 3 Applications
Starting a session with the stand-alone Flash Player
You can start a debugging session with the stand-alone debugger version of Flash Player. You do this by compiling
the application into a SWF file, and then invoking the SWF file with the fdb command-line debugger. The fdb
debugger opens the debugger version of the stand-alone Flash Player.
The debugger version of the stand-alone Flash Player runs as an independent application. It does not run within
a web browser or other shell. The debugger version of the stand-alone Flash Player does not support any server
requests, such as web services and dynamic SWF loading, so not all applications can be properly debugged inside
the debugger version of the stand-alone Flash Player.
Debug with the stand-alone Flash Player
1 Compile the Flex application’s debug SWF file and set the debug option to true.
The following example compiles an application with the mxmlc command-line compiler:
mxmlc -debug=true myApp.mxml
You can also compile an application SWF file by using the web-tier compiler or the Flex Builder compiler. For
more information on Flex compilers, see “About the Flex compilers” on page 125.
2 Find the flex_install_dir/bin directory. You installed the Flex application files to this directory.
3 Type fdb from the command line. The fdb prompt appears.
You can also open fdb with the JAR file, as the following example shows:
java -jar ../lib/fdb.jar
4 Type run at the fdb prompt, followed by the path to the SWF file, as shown in the following example:
(fdb) run c:/myfiles/fonts/EmbedMyFont.swf
The fdb debugger starts the Flex application in the debugger version of the stand-alone Flash Player, and the
(fdb) command prompt appears. You can also start a session by typing fdb filename.swf at the command
prompt, rather than by using the
run command.
Starting a session in a browser
You can start a debugging session in a browser. This requires that you pre-compile the SWF file and are able to
request it from a web server.
Debug in a browser
1 Compile the Flex application’s debug SWF file and set the debug option to true. The following example
compiles an application with the mxmlc command-line compiler:
mxmlc -debug=true myApp.mxml