Problems with key board events

Question

hi, i am experiencing some key board events, in this project iam suppose to make the sphere/earth move left,right,up,down with left,right,up,down arrow.
can you please tell me if i have make any mistakes in my coding????
package
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.KeyboardEvent;
    import flash.ui.Keyboard;
    import org.papervision3d.materials.BitmapFileMaterial;
    import org.papervision3d.objects.primitives.Sphere;
    import org.papervision3d.view.BasicView;
    [SWF (width="800", height="600", backgroundColor="0x000000",frameRate="30")]
    public class InteractiveEarth extends BasicView
        private var sphere:Sphere;
        public function InteractiveEarth()
            super(800 , 600);
            var earthmaterial:BitmapFileMaterial = new BitmapFileMaterial("../assets/Earth.jpg");
            sphere = new Sphere(earthmaterial,100,20,18);
            camera.fov = 25;
            scene.addChild(sphere);
        addEventListener(Event.ENTER_FRAME,rotateSphere);
        addEventListener(KeyboardEvent.KEY_DOWN, downEarth);
       // stage.addEventListener(KeyboardEvent.KEY_UP, upEarth);
        public function rotateSphere(evt:Event):void
            sphere.yaw(0.2);
            singleRender();
        public function downEarth(event:KeyboardEvent):void
            switch(event.keyCode)
                case Keyboard.DOWN:
                    sphere.y += 5;
                    break;
                case Keyboard.UP:
                    sphere.y -= 5;
                break;
                case Keyboard.LEFT:
                sphere.x += 5;
                break;
                case Keyboard.RIGHT:
                sphere.x -= 5;
                break;

Answer 1

You haven't said what the problem is.
If your keyboard event handlers are not being called, perhaps you need to add the event listeners to some other object.
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