frameworks/projects/spark/asdoc/en_US/spark/components/examples/ListExample.mxml

<?xml version="1.0"?>
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  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
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      http://www.apache.org/licenses/LICENSE-2.0

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  distributed under the License is distributed on an "AS IS" BASIS,
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-->
<!-- Simple example to demonstrate the Spark List component -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark">

    <fx:Script>
        <![CDATA[
            import spark.events.IndexChangeEvent;

            //this function is called when the selection is going to change
            private function selectionChangingHandler(evt:IndexChangeEvent):void {
                var item:* = list.dataProvider.getItemAt(evt.newIndex);
                if (item.type != "employee") {
                    evt.preventDefault();
                }
            }
        ]]>
    </fx:Script>

    <s:Panel title="Spark List Component Example"
            width="75%" height="75%"
            horizontalCenter="0" verticalCenter="0">
        <s:VGroup left="20" right="20" top="20" bottom="20">
            <s:Label width="330"
                text="Select a name to see employee's phone number. You should not be able to select the first name."/>
            <s:List id="list" changing="selectionChangingHandler(event);">
                <!-- itemRenderer is inline in this sample -->
                <s:itemRenderer>
                    <fx:Component>
                        <s:ItemRenderer>
                            <s:states>
                                <s:State name="normal" />
                                <s:State name="hovered" />
                                <s:State name="selected" />
                            </s:states>
                            <s:Rect left="0" right="0" top="0" bottom="0">
                                <s:fill>
                                    <s:SolidColor color="0x999999" alpha="0" alpha.hovered="0.2"
                                            alpha.selected="0.6" />
                                </s:fill>
                             </s:Rect>
                             <s:Label id="nameLabel" text="{data.lastName}, {data.firstName}" top="5" left="5" right="5" />
                             <s:Label y="20" id="phoneLabel" text="{data.phone}" includeIn="selected" top="25" bottom="5" left="5" right="5" />
                        </s:ItemRenderer>
                    </fx:Component>
                </s:itemRenderer>
                <s:dataProvider>
                    <s:ArrayList>
                        <fx:Object type="hr" firstName="Ann"  lastName="Green"  />
                        <fx:Object type="employee" firstName="Tom"  lastName="Smith" phone="415-155-1212" />
                        <fx:Object type="employee" firstName="John" lastName="Black" phone="408-344-1234" />
                        <fx:Object type="employee" firstName="Jane" lastName="White" phone="415-235-7878" />
                        <fx:Object type="employee" firstName="Bill" lastName="Jones" phone="415-875-7800" />
                    </s:ArrayList>
                </s:dataProvider>
            </s:List>
        </s:VGroup>
     </s:Panel>

</s:Application>