<?xml version="1.0" encoding="utf-8"?>
<!---
Spark ConstraintLayout Sample
(constraintColumns)
-->
<s:Application
xmlns:fx = "http://ns.adobe.com/mxml/2009"
xmlns:s  = "library://ns.adobe.com/flex/spark"
 viewSourceURL="srcview/index.html">

<s:Group verticalCenter="0" horizontalCenter="0" width="640" height="480">

    <s:layout>
        <s:ConstraintLayout>
            <s:constraintColumns>
                <s:ConstraintColumn id="col1" width="160" />
                <s:ConstraintColumn id="col2" width="160" />
                <s:ConstraintColumn id="col3" width="160" />
                <s:ConstraintColumn id="col4" width="160" />
            </s:constraintColumns>
        </s:ConstraintLayout>
    </s:layout>

    <s:Rect left="0" top="0" right="0" bottom="0">
        <s:fill>
            <s:SolidColor color="#990000" />
        </s:fill>
    </s:Rect>

    <s:Button width="50" height="50" left  = "col1 : 10" />
    <s:Button width="50" height="50" left  = "col2 : 20" />
    <s:Button width="50" height="50" left  = "col3 : 40" />
    <s:Button width="50" height="50" right = "col4 : 10" />

</s:Group>

</s:Application>