datefield_midlet.java

本光盘是《J2ME无线移动游戏开发》一书的配套光盘

package ch04;

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class DateField_MIDlet
    extends MIDlet {

  //声明一个代表DATE型的DateField对象
  DateField dateDateField;

  //声明一个代表TIME型的DateField对象
  DateField timeDateField;

  //声明一个代表DATE_TIME型的DateField对象
  DateField date_timeDateField;

  /*
      1.构造器
   */
  public DateField_MIDlet() {

    try {
      dateDateField = new DateField("日期", DateField.DATE);
      timeDateField = new DateField("时间", DateField.TIME);
      date_timeDateField = new DateField("日期＋时间", DateField.DATE_TIME);
    }
    catch (Exception e) {
      System.out.println(e.getMessage());
    }

    Form frm = new Form("DateField界面组件");
    Display display = Display.getDisplay(this);
    display.setCurrent(frm);

    frm.append(dateDateField);
    frm.append(timeDateField);
    frm.append(date_timeDateField);

  }

  //启动应用程序
  public void startApp() {
  }

  //挂起应用程序
  public void pauseApp() {
  }

  //撤销应用程序
  public void destroyApp(boolean unconditional) {
  }

}