menuscreen.java

来自「一个经典的手机游戏原代码」· Java 代码 · 共 54 行

import javax.microedition.lcdui.*;
/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class menuScreen extends Canvas implements CommandListener{
  gameMIDlet gameMid;
  gameScreen game;

  Command playCommand = new Command("开始", Command.ITEM, 1);
  Command exitCommand = new Command("退出", Command.EXIT, 1);

  private Display display;
  private Image img;

  public menuScreen(Display display, Image img, gameMIDlet gameMid) {
    this.display = display;
    this.img = img;
    this.gameMid = gameMid;
    addCommand(playCommand);
    addCommand(exitCommand);
    setCommandListener(this);
  }

  protected void paint(Graphics g) {
    /**@todo Implement this javax.microedition.lcdui.Canvas abstract method*/
    g.setColor(0x00FFFFFF);
    g.fillRect(0, 0, getWidth(), getHeight());
    g.setColor(0x00000000);
    g.drawImage(img, getWidth()/2, getHeight()/2-5, 3);
  }

  public void commandAction(Command c, Displayable d) {
    if (c == playCommand) {
      game = null;
      game = new gameScreen(display, this);
      game.start();
      display.setCurrent(game);
    } else if (c == exitCommand) {
      game = null;
      gameMid.destroyApp(true);
      gameMid.notifyDestroyed();
    }
  }

}