Adobe AiR update

main Application:
[code lang="xml"]
<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" initialize="checkForAppUpdate()">
<mx:Script>
<![CDATA[
import air.update.events.UpdateEvent;
import air.update.ApplicationUpdaterUI;


private var appUpdater:ApplicationUpdaterUI = new ApplicationUpdaterUI;


// checks to see if an updated version of the app is up.


private function checkForAppUpdate():void
{
appUpdater.configurationFile = new File(app:/updateConfig.xml);
appUpdater.isCheckForUpdateVisible = false;
appUpdater.initialize();
appUpdater.addEventListener(UpdateEvent.INITIALIZED, onUpdate);
appUpdater.addEventListener(ErrorEvent.ERROR, onError);

}

// if there's an error to the update show an alert

private function onError(event:ErrorEvent):void
{
Alert.show(event.toString());
}

// check to see if updated is needed

private function onUpdate(event:UpdateEvent):void
{
appUpdater.checkNow();
}

]]>
</mx:Script>
</mx:WindowedApplication>
[/code]
updateConfig.xml (with your src, compiled at build):
[code lang="shell"]
<?xml version="1.0" encoding="utf-8"?>

<configuration xmlns="http://ns.adobe.com/air/framework/update/configuration/1.0">

<url>http://somewhereOnTheInternet.com/aDirectory/aDirectory/appUpdate.xml</url>
<delay>0.5</delay>
<defaultUI>
<dialog name="checkForUpdate" visible="false" />
<dialog name="downloadUpdate" visible="false" />
<dialog name="downloadProgress" visible="false" />
<dialog name="installUpdate" visible="false" />
<dialog name="fileUpdate" visible="false" />
<dialog name="unexpectedError" visible="true" />
</defaultUI>
</configuration>
[/code]
Delay is per day. .5 is half day, .02 = half an hour.
appUpdate.xml (to be placed somewhere on your site):
[code lang="shell"]
<?xml version="1.0" encoding="utf-8"?>
<update xmlns="http://ns.adobe.com/air/framework/update/description/1.0">
<version>v1.0</version>
<url>http://somewhereOnTheInternet.com/aDirectory/aDirectory/myApplication.air</url>
<description>
<![CDATA[
This is where your description goes.
]]>
</description>
</update>
[/code]