Flash AIR 全屏 屏蔽ESC

package
{
import flash.display.Sprite;
import flash.events.MouseEvent;
import flash.system.fscommand;
import flash.display.StageDisplayState;
import flash.events.KeyboardEvent;
import flash.ui.Keyboard;
/**
* ...
* @author LittleSpace
*/
public class Main extends Sprite
{
public function Main ()
{
mc.addEventListener (MouseEvent.MOUSE_DOWN, mouseDownHandler);
stage.displayState = StageDisplayState.FULL_SCREEN_INTERACTIVE;
stage.addEventListener ( KeyboardEvent.KEY_DOWN, onKeyDowns );
}
private function mouseDownHandler(e)
{
stage.displayState = StageDisplayState.FULL_SCREEN_INTERACTIVE;
}
protected function onKeyDowns (e:KeyboardEvent):void
{
if (e.keyCode == Keyboard.ESCAPE)
{
e.preventDefault ();
}

}
}
}