Draws a BubbleChart control and sets the maximum radius of bubble elements to 50:

        

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    <!-- charts/BasicBubble.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>

    <s:layout>
        <s:VerticalLayout />
    </s:layout>
    <s:Panel title="Bubble Chart">
        <s:layout>
            <s:VerticalLayout />
        </s:layout>
        <mx:BubbleChart id="myChart" minRadius="1" maxRadius="50"
            dataProvider="{expenses}" showDataTips="true">
            <mx:series>
                <mx:BubbleSeries xField="Profit" yField="Expenses" radiusField="Amount" displayName="Profit" />
            </mx:series>
        </mx:BubbleChart>
        <mx:Legend dataProvider="{expenses}" />
    </s:Panel>
</s:Application>

1.	Applying CSS to chart controls
2.	Bubble Chart
3.	Axis for Bubble Chart
4.	Legend for Bubble Chart
5.	Show data tops for Bubble Chart
6.	Max radius for Bubble Chart
7.	Define a custom SolidColor object and a custom SolidColorStroke object, and applies them to the BubbleSeries object in the BubbleChart control.
8.	Show a BubbleChart control with two independant series
9.	Specify the font for all BubbleChart controls
10.	Remove grid lines entirely
11.	Set the size of the bubbles to be relative to each other in the different series

Draws a BubbleChart control and sets the maximum radius of bubble elements to 50: : Bubble Chart « Chart « Flex

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