Alternating tile background colors for items in a TileList control in Flex

The following example shows how you can set alternating background colors for tiles in a Flex TileList control by setting the alternatingItemColors style using MXML, CSS or ActionScript.

Full code after the jump.

<?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: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"
            alternatingItemColors="[#FFFFFF,#CCCCCC,#999999]" />

</mx:Application>