Catch close/unload event in Actionscript/Flex application?

Since you're looking for an AIR specific solution; you'll want to take listen for the closing event on your main application tag ( WindowedApplication).

Well, think about it for a minute. You're asking for an event, to be fired, when the application closes... so, what fires the event, and what's going to handle it? The application?

But it just closed. You could of course, do something in javascript and check the status of the flash embed, but even that isn't always going to work depending on how the flash player is being unloaded (E.G. the user closes their browser). Furthermore, what happens if the user kills the flash sandbox or browser?

There's no way to send an event from a terminated application.

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