Rebuilding existing flash project with Flex

I'm not a flash developer.

We paid a developer to build us an app. It is nearly perfect, but a few things in the actionscript need tweaking (purely the values of some URL's for action when buttons are clicked.)

I believe I need to rebuild the project to pull this information through.

I have installed the Flash SDK, but when I do

mxmlc Main.as

I get a bunch of errors about missing dependencies.

I believe he has sent me the full source. Do I need to install all of the dependencies to get this to work? I'm tempted to just go in and make the chan开发者_如何学Cges in a hex editor..

You'll need to use the Flash Authoring tool (current version is Flash CS5), unfortunately there's no open source alternative for compiling FLA files.