java Me中的按键和触屏实例(2)

notifyDestroyed();

}

}

class PlaneCanvas extends Canvas implements CommandListener

{

private Plane plane=null;

private Command exit=null;

private Command start=null;

private Command over=null;

private Command point=null;

private Command trante=null;

private boolean key_event=false;

private boolean point_event=false;

private boolean trante_event=false;

private int plan_x=0;

private int plane_y=0;

private int trante_x=0;

private int trante_y=0;

private Image planeImage=null;

    public PlaneCanvas(Plane plane)//close()

    { 

  this.plane=plane;   

  try 

  {

planeImage=Image.createImage("/com/canvas/image/plane.png");

  }

  catch (IOException e)

  {

 e.printStackTrace();

  }