//package BallGame;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.midlet.MIDlet;

/**
 * <strong>FileName</strong>: BallMidlet.java
 * <HR>
 * <strong>Description</strong>: Basic MIDlet application structure.
 * <P><HR>
 *  @author
 *  <em>
 * This Game is developed by <B>Fansy</B>.<BR>
 *  F.S.Studio 1999~2005
 *  </em>
 *  @version 0.3.2
 */

public class BallMidlet extends MIDlet implements CommandListener
{
 private Command exitCommand; //退出命令
 private BallCanvas canvas; //画布对象
  
 public static BallMidlet instance;
 
  public BallMidlet()
  {
   instance=this;
   canvas=new BallCanvas(); //建立画布
   exitCommand=new Command("EXIT",Command.EXIT,1); //建立退出命令
   canvas.addCommand(exitCommand); //添加命令
   canvas.setCommandListener(this); //设定命令响应
  }
 
  protected void startApp()
  {
  Display.getDisplay(this).setCurrent(canvas); //设定程序开始时的显示对象
  canvas.start();
  }
 
  protected void pauseApp()
  {
   
  }
 
  protected void destroyApp(boolean unconditional)
  {
   
  }

  public void quitApp()
  {
   destroyApp(false);
  notifyDestroyed();
  }
  
 public void commandAction(Command c,Displayable d)
 {
  if(c==exitCommand) //当监测到退出命令时退出程序
  {
   quitApp();
  } 
 }
}