Check out the custom Actionscript 3 class: AIR Remote Updater by Claus Wahlers for auto updating your AIR applications. The extra nice piece, you don’t need to maintain an extra version file. Claus’ class uses FZip to download only the application.xml file from your .air package on the server. One little bug I have found, this class throws a File I/O error when you run the AIR application in ADL (debugger). I have simply commented the call to the update() function during development.
