Java Programing laungage

DataFieldA DataField is an editable component for presenting date and time (calendar) information that may be placed into a Form. Value for this field can be initially set or left unset. If value is not set then the UI for the field shows this clearly.

DateField timeField= new DateField(label, mode, TimeZone.getDefault());

label = display user define label.

mode = display user define mode like DateField.TIME, DateField.DATE, DateField.DATE_TIME and etc.

timeZone = TimeZone.getDefault() = the field get default time zone form the system.

TimeFIeld Program


/*
 * Save as a addTimeField.java
 */
package r4r.Mobile.Basic;

import java.util.TimeZone;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

/**
 * @author R4R
 */
public class addTimeField extends MIDlet implements CommandListener {
    
     /* -- Private Field -- */
    private Form form;
    private DateField timeField;
    private Command exit;

    /* -- Default constructor -- */
    public addTimeField() {
        form= new Form("Add Time Field into form");
        timeField= new DateField("Set current Time", 
			DateField.TIME, TimeZone.getDefault());
         exit= new Command("EXIT", Command.EXIT, 1);
         
         //Add field into form
        form.append(timeField);
        form.addCommand(exit);
        form.setCommandListener(this);
    }

    public void startApp() {
        Display.getDisplay(this).setCurrent(form);
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command c, Displayable d) {
        if (c== exit) {
            destroyApp(true);
            notifyDestroyed();
        } 
    }
}