listing 6-10.java

j2me开发大全

import java.util.*;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
 public class DateToday extends MIDlet implements CommandListener
{
  private Display display;
  private Form form; 
  private Date today; 
  private Command exit; 
  private DateField datefield; 
  public DateToday()
  {
    display = Display.getDisplay(this);
    form = new Form("Today's Date");
    today = new Date(System.currentTimeMillis());
    datefield = new DateField("", DateField.DATE_TIME);
    datefield.setDate(today);
    exit = new Command("Exit", Command.EXIT, 1);    
    form.append(datefield);
    form.addCommand(exit);    
    form.setCommandListener(this);
  }
  public void startApp ()
  {
    display.setCurrent(form);
  }
  public void pauseApp()
  { 
  }
  public void destroyApp(boolean unconditional)
  { 
  }
  public void commandAction(Command command, Displayable displayable)
  {
   if (command == exit)
   {
    destroyApp(false);
    notifyDestroyed();
   }
  }
}