分离MXML和AS

package oreilly.cookbook

{

    import mx.containers.Canvas;

    import flash.events.Event;

 

    public class CodeBehindComponent extends Canvas

    {

        public function CodeBehindComponent()

        {

            super();

            addEventListener(Event.ADDED_TO_STAGE, addedToStageListener);

        }

 

        protected function addedToStageListener(event:Event):void

        {

            trace(" Added to Stage from Code Behind ");

        }

 

        protected function clickHandler(event:Event):void

        {

            trace(" Click handled from component "+event.target);

        }

 

    }

}

<cookbook:CodeBehindComponent xmlns:mx="http://www.adobe.com/2006/mxml" width="200"

height="400" xmlns:cookbook="oreilly.cookbook.*">

    <mx:Button click="clickHandler(event)"/>

</cookbook:CodeBehindComponent>

 

 

public class Billiard1 extends UIComponent
    {
        private var app:Application;
        public function Billiard1(app:Application)
        {    
            this.app = app;
            init();    
        }
}