Just a quick example I threw together last night which loads the Kuler RSS feed and displays some items in a DataGrid along with their rating and theme image (using the Flex Image control as a custom item renderer).
Full code after the jump.
<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/08/22/parsing-the-kuler-rss-feed-using-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white"
creationComplete="tempXML.send(httpServiceParams)">
<mx:Script>
<![CDATA[
import mx.controls.dataGridClasses.DataGridColumn;
private var kulerNS:Namespace = new Namespace("http://kulerserv/services/rss/kulerRSS");
private function themeTitle_labelFunc(item:XML, column:DataGridColumn):String {
return item.kulerNS::themeItem.kulerNS::themeTitle;
}
private function themeRating_labelFunc(item:XML, column:DataGridColumn):String {
return item.kulerNS::themeItem.kulerNS::themeRating;
}
private function themeImage_labelFunc(item:XML, column:DataGridColumn):String {
return item.kulerNS::themeItem.kulerNS::themeImage;
}
]]>
</mx:Script>
<mx:Object id="httpServiceParams"
listtype="rating"
readerType="public" />
<mx:HTTPService id="tempXML"
url="http://kuler.adobe.com/kuler/API/rss/get.cfm"
resultFormat="e4x" />
<mx:XMLListCollection id="itemXMLListColl"
source="{tempXML.lastResult.channel.item}" />
<mx:VDividedBox width="100%" height="100%" >
<mx:DataGrid id="dataGrid"
width="100%"
dataProvider="{itemXMLListColl}">
<mx:columns>
<mx:DataGridColumn headerText="Title:"
labelFunction="themeTitle_labelFunc">
<mx:itemRenderer>
<mx:Component>
<mx:Label />
</mx:Component>
</mx:itemRenderer>
</mx:DataGridColumn>
<mx:DataGridColumn headerText="Rating:"
textAlign="center"
labelFunction="themeRating_labelFunc" />
<mx:DataGridColumn headerText="Image:"
textAlign="center"
labelFunction="themeImage_labelFunc"
itemRenderer="mx.controls.Image" />
</mx:columns>
</mx:DataGrid>
<mx:TextArea text="{tempXML.lastResult}"
width="100%"
height="100%" />
</mx:VDividedBox>
</mx:Application>
View source is enabled in the following example.