Renderer and Editor for List
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:List editable="true" width="200" labelField="rating" itemRenderer="mx.controls.NumericStepper" rendererIsEditor="true" editorDataField="value"> <mx:dataProvider> <mx:ArrayCollection> <mx:Array> <mx:Object title="A" rating="5" /> <mx:Object title="B" rating="3" /> <mx:Object title="C" rating="4" /> <mx:Object title="D" rating="5" /> </mx:Array> </mx:ArrayCollection> </mx:dataProvider> </mx:List> </mx:Application>