about.java

孤单惊魂

import javax.microedition.lcdui.*;

public class About
    extends Alert implements CommandListener {
  private static Displayable instance;
  synchronized public static Displayable getInstance() {
    if (instance == null) {
      instance = new About();
    }
    return instance;
  }

  private About() {
    super("版权声明");
    String play = "          齐鲁大学生软件设计大赛参赛作品\n\n";
    String author = "                        YTX设计团队\n";
    String edition = "                         版本:  V1.5\n\n";
    setString(play + author + edition);
    setType(AlertType.INFO);
    setTimeout(Alert.FOREVER);
    addCommand(new Command("返回", Command.BACK, 1));
    setCommandListener(this);
  }

  public void commandAction(Command c, Displayable s) {
    Navigator.flow(c.getLabel());
  }

}