Read out system memory using Adobe Flex

read_mem_flex.xmln

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
               xmlns:s="library://ns.adobe.com/flex/spark"
               xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600" width="659" height="352"
               creationComplete="SySMem();">
    <fx:Declarations>
        <!-- Place non-visual elements (e.g., services, value objects) here -->
    </fx:Declarations>
    <fx:Script>
        <![CDATA[
        public function SySMem():void{
            var memoryUsedInKb:int = int(System.totalMemory / 1024);
            lblSysMem.text =  memoryUsedInKb.toString()+" KB";
        }
        ]]>
    </fx:Script>
    <s:Label text="Label" width="185" id="lblSysMem" left="5" top="5"/>
</s:Application>