Tugas Sabtu, 4 April 2015 Java Mobile

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package triana.novi.midlet;

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

/**
 * @author Novi Triana
 */
public class HMidlet extends MIDlet
        implements CommandListener {

    Display disp;
    private Command exitCommand  = new Command("Exit", Command.EXIT, 1);
    private Command page1  = new Command("Page 1", Command.SCREEN, 1);;
    private Command page2 = new Command("Page 2", Command.SCREEN, 1);
    private Command page3 = new Command("Page 3", Command.SCREEN, 1);
    private Command home = new Command("Home", Command.SCREEN, 1);

    public void startApp() {

        Form formHome = new Form("Home");
        formHome.append("Welcome to State Polytechnic of Medan Official Page");
        formHome.addCommand(exitCommand);
        formHome.addCommand(page1);
        formHome.addCommand(page2);
        formHome.addCommand(page3);
        formHome.setCommandListener(this);
        Display.getDisplay(this).setCurrent(formHome);
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

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

        } else if (c == page1) {
            Form formPage1 = new Form("Page 1");
            formPage1.append("This is page 1");
            formPage1.addCommand(home);
            formPage1.addCommand(page2);
            formPage1.addCommand(page3);
            formPage1.addCommand(exitCommand);
            formPage1.setCommandListener(this);
            Display.getDisplay(this).setCurrent(formPage1);
        } else if (c == page2) {
            Form formPage2 = new Form("Page 2");
            formPage2.append("This is page 2");
            formPage2.addCommand(home);
            formPage2.addCommand(page1);
            formPage2.addCommand(page3);
            formPage2.addCommand(exitCommand);
            formPage2.setCommandListener(this);
            Display.getDisplay(this).setCurrent(formPage2);
        } else if (c == page3) {
            Form formPage3 = new Form("Page 3");
            formPage3.append("This is page 3");
            formPage3.addCommand(home);
            formPage3.addCommand(page1);
            formPage3.addCommand(page2);
            formPage3.addCommand(exitCommand);
            formPage3.setCommandListener(this);
            Display.getDisplay(this).setCurrent(formPage3);
        } else if (c == home) {
              startApp();
        }

    }
}