September 2008
Intermediate to advanced
660 pages
20h 32m
English
Content preview from Programming Flex 3Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using FDB
As part of the Flex SDK, Adobe includes FDB, a free command-line debugger. This debugger is fully featured, although usually you will opt to use the Flex Builder debugger if available. With that said, it is great to have access to a free debugging tool included as part of the SDK. This allows developers who do not want to purchase Flex Builder access to a fully featured debugger. We won’t be covering FDB in depth, but we will discuss the basics and some of the possible benefits it has to offer.
You launch FDB from the command line as you would any other
command-line application. Once it is started, you will be prompted with
the FDB prompt (fdb). You can type
help at the prompt for a list of
available commands.
The starting point for a debug session with FDB is to launch an
.swf compiled with debugging enabled
in the Debug Player and establish a connection with FDB. You do this by
first executing the run command at the
FDB prompt. Once the command is executed, FDB will confirm that it is
waiting for the player to connect. To connect Flash Player to FDB, open a
debug-enabled .swf with the Debug
Player. When a debug-enabled
.swf is opened, the player will attempt to auto-connect to the local debugger, if available. If you open an application without the debugger listening for a connection from the player, the Flash Debug Player will prompt you to select the debugger you want to use. Although typically a user will be running the application and the debugger on the same machine, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.