How to detect Screen width/height change in Flex -

i have objects placed on screen using x/y coordinates. want way update based on changes in screen width/height. if used re-sized browser window x/y should change. how cick off function every time screen re-sized.

you can attaching resizeevent listener whatever object want track:

http://help.adobe.com/en_us/flashplatform/reference/actionscript/3/mx/events/resizeevent.html

public class main extends sprite {     public function main (  ) {        stage.addeventlistener(event.resize, resizelistener);     }      private function resizelistener (e:event):void {       trace("the application window changed size!");       trace("new width:  " + stage.stagewidth);       trace("new height: " + stage.stageheight);     }   }