Segue um exemplo do Tour de Flex,
de como coocar Alert no Flex mobile
<?xml version="1.0" encoding="utf-8"?>
<s:View xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:mx="library://ns.adobe.com/flex/mx"
xmlns:s="library://ns.adobe.com/flex/spark" title="SampleAlert" >
<fx:Declarations>
<fx:Component className="AlertMsg">
<s:SkinnablePopUpContainer x="70" y="300">
<s:TitleWindow title="My Message" close="close()">
<s:VGroup horizontalAlign="center" paddingTop="8" paddingBottom="8" paddingLeft="8" paddingRight="8" gap="5" width="100%">
<s:Label text="My alert message text here..."/>
<s:Button label="OK" click="close()"/>
</s:VGroup>
</s:TitleWindow>
</s:SkinnablePopUpContainer>
</fx:Component>
</fx:Declarations>
<s:layout>
<s:VerticalLayout paddingTop="5" paddingBottom="5" paddingLeft="5" paddingRight="5" gap="10"
horizontalAlign="center" verticalAlign="top"/>
</s:layout>
<s:TextArea text="This sample shows how you can display a simple alert message in a mobile application using the Spark SkinnablePopUpContainer. The mx.controls.Alert is not recommended for mobile."
width="98%" editable="false"/>
<s:Button label="Show Alert" click="(new AlertMsg()).open(this, false)"/>
</s:View>
É isso ai!
absssss
Vitor Yudi Hansen