Mega Code Archive
Use an ArrayCollection, convert the HTTPService result to an ArrayCollection
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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- charts/HTTPServiceToArrayCollectionDataProvider.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:s="library://ns.adobe.com/flex/spark"
height="600">
<fx:Script>
import mx.collections.ArrayCollection;
[Bindable]
private var expenses:Array = [
{Month:"January", Profit:2000, Expenses:1500, Amount:450},
{Month:"February", Profit:1000, Expenses:200, Amount:600},
{Month:"March", Profit:1500, Expenses:500, Amount:300},
{Month:"April", Profit:500, Expenses:300, Amount:500},
{Month:"May", Profit:1000, Expenses:450, Amount:250},
{Month:"June", Profit:2000, Expenses:500, Amount:700}
];
</fx:Script>
<fx:Script>
import mx.collections.ArrayCollection;
[Bindable]
public var myData:ArrayCollection;
</fx:Script>
<s:layout>
<s:VerticalLayout />
</s:layout>
<s:Panel title="Line Chart">
<s:layout>
<s:VerticalLayout />
</s:layout>
<mx:LineChart id="myChart" dataProvider="{expenses}"
showDataTips="true">
<mx:horizontalAxis>
<mx:CategoryAxis categoryField="Month" />
</mx:horizontalAxis>
<mx:series>
<mx:LineSeries yField="Profit" displayName="Profit" />
<mx:LineSeries yField="Expenses" displayName="Expenses" />
</mx:series>
</mx:LineChart>
<mx:Legend dataProvider="{myChart}" />
</s:Panel>
</s:Application>
]]>