datefieldmidlet.java

j2me的程序

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
// A first MIDlet with simple text and a few commands.
public class DateFieldMIDlet extends MIDlet implements CommandListener{

  private Command exitCommand;

  private DateField dateDateField;
  private DateField timeDateField;
  private DateField bothDateField;

  private Display display;

  public DateFieldMIDlet() {
    display = Display.getDisplay(this);

    exitCommand = new Command("离开", Command.EXIT, 1);

    dateDateField = new DateField("日期:",DateField.DATE);
    timeDateField = new DateField("时间:",DateField.TIME);
    bothDateField = new DateField("时间和日期:",DateField.DATE_TIME);

    java.util.Date now = new java.util.Date();
    dateDateField.setDate(now);
    timeDateField.setDate(now);
    bothDateField.setDate(now);
  }

  public void startApp() {
    Form aForm = new Form("DateField 示范");

    aForm.append(dateDateField);
    aForm.append(timeDateField);
    aForm.append(bothDateField);
    aForm.addCommand(exitCommand);
    aForm.setCommandListener(this);
    display.setCurrent(aForm);
  }

  public void pauseApp() { }

  public void destroyApp(boolean unconditional) { }

  public void commandAction(Command c, Displayable s) {
    if (c == exitCommand) {
      destroyApp(false);
      notifyDestroyed();
    }

  }

}