Adobe® Flex® 4 Language Reference
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air.update 

The air.update package contains classes for updating AIR applications. This package is only available to content running in the AIR runtime. It is included in the applicationupdater.swc and applicationupdater_ui.swc files (for SWF-based application developers) and applicationupdater.swf and applicationupdater_ui.swf files (for HTML-based AIR application developers).



Classes
 ClassDescription
 ApplicationUpdater AIR-only The ApplicationUpdater class defines the basic functionality of the update framework for Adobe® AIR® applications, without providing any default user interface.
 ApplicationUpdaterUI AIR-only The ApplicationUpdaterUI class defines the basic functionality of the update framework for Adobe® AIR® applications, and it provides a default user interface.