/* * %W% %E% * * Copyright (c) 2000-2003 Sun Microsystems, Inc. All rights reserved.  * PROPRIETARY/CONFIDENTIAL * Use is subject to license terms */package choicegroup;import javax.microedition.lcdui.*;import javax.microedition.midlet.MIDlet;/** * The alert demo displays a list of alerts that will be displayes once the * user clicks a list item. These alerts try to present the full range of * alert types supported in MIDP. * * @version 2.0 */public class ChoiceGroupDemo    extends MIDlet implements CommandListener {    private final static Command CMD_EXIT = new Command("Exit", Command.EXIT,                                                         1);            private Display display;        private boolean firsttime;        private Form mainForm;        public ChoiceGroupDemo() {        firsttime = true;    }    protected void startApp() {                if(firsttime) {            display = Display.getDisplay(this);            mainForm = new Form("Choice Group");            mainForm.append("These are the available choice group types");                        // these are the images and strings for the choices.            Image[] imageArray = null;            try {                // load the duke image to place in the image array                Image duke = Image.createImage("/midp/uidemo/Icon.png");                // these are the images and strings for the choices.                imageArray = new Image[] { duke, duke, duke, duke };            } catch (java.io.IOException err) {                // ignore the image loading failure the application can recover.            }            String[] stringArray = {                "Option A", "Option B", "Option C", "Option D"            };            // create the list of choice groups.            ChoiceGroup[] groups = {                new ChoiceGroup("Exclusive", ChoiceGroup.EXCLUSIVE, stringArray,                                 imageArray),                 new ChoiceGroup("Multiple", ChoiceGroup.MULTIPLE, stringArray,                                 imageArray),                 new ChoiceGroup("Pop-Up", ChoiceGroup.POPUP, stringArray,                                 imageArray)            };            for (int iter = 0; iter < groups.length; iter++) {                mainForm.append(groups[iter]);            }            mainForm.addCommand(CMD_EXIT);            mainForm.setCommandListener(this);            firsttime = false;        }        display.setCurrent(mainForm);    }    public void commandAction(Command c, Displayable d) {        if (c == CMD_EXIT) {            destroyApp(false);            notifyDestroyed();        }    }    protected void destroyApp(boolean unconditional) {    }    protected void pauseApp() {    }}