<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/08/10/alternating-tile-background-colors-for-items-in-a-tilelist-control-in-flex/ -->
<mx:Application name="TileList_alternatingItemColors_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Style>
        TileList {
            alternatingItemColors: #FFFFFF, #CCCCCC, #999999;
        }
    </mx:Style>

    <mx:ArrayCollection id="arrColl">
        <mx:source>
            <mx:Array>
                <mx:Object label="One" />
                <mx:Object label="Two" />
                <mx:Object label="Three" />
                <mx:Object label="Four" />
                <mx:Object label="Five" />
                <mx:Object label="Six" />
                <mx:Object label="Seven" />
                <mx:Object label="Eight" />
                <mx:Object label="Nine" />
                <mx:Object label="Ten" />
                <mx:Object label="Eleven" />
                <mx:Object label="Twelve" />
            </mx:Array>
        </mx:source>
    </mx:ArrayCollection>

    <mx:TileList id="tileList"
            dataProvider="{arrColl}"
            columnCount="4"
            columnWidth="120"
            rowCount="3"
            rowHeight="80" />

</mx:Application>