Pertemuan 5

/*
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import java.io.IOException;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

/**
 * @author user
 */
public class Utama extends MIDlet implements CommandListener{
    Display tampilan;
    Form frmLogin, frmGambar;
    TextField txtUsername, txtPassword;
    Command cmdLogin, cmdExit;

    Image imgContoh1, imgContoh2;
    Alert error1, error2, error3, error4;
    List lstMenu;

    public Utama(){
        tampilan = Display.getDisplay(this);
        frmLogin = new Form("LOGIN PAGE");
        frmGambar = new Form("TAMPILAN GAMBAR");
        txtUsername = new TextField("Username :", "",10,TextField.NUMERIC);
        txtPassword = new TextField("Password :", "",4,TextField.PASSWORD);
        cmdLogin = new Command("LOGIN",Command.ITEM,2);
        cmdExit = new Command("EXIT",Command.EXIT,2);

        try {
            imgContoh1 = Image.createImage("/persia.jpg");
            imgContoh2 = Image.createImage("/anggora.jpg");
        } catch (IOException ex) {
            ex.printStackTrace();
        }


        lstMenu = new List("TAMPILAN MENU", List.IMPLICIT);
        lstMenu.append("KE FORM LOGIN", null);
        lstMenu.append("KE TAMPILAN MENU 2", null);
        lstMenu.append("KE TAMPILAN MENU 3", null);
        lstMenu.setCommandListener(this);

        //loadingForm1();
        //loadingForm2();
    }
    public void startApp() {
        tampilan.setCurrent(lstMenu);
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command c,Displayable d){
        if (c == List.SELECT_COMMAND){
            switch(lstMenu.getSelectedIndex()){
                case 0 : tampilan.setCurrent(frmLogin); break;
                case 1 : tampilan.setCurrent(frmGambar);break;
                case 2 : notifyDestroyed(); break;
            }
        }

        if (d == frmLogin){
            if (c == cmdExit){
                tampilan.setCurrent(lstMenu);

            }
        }
    }
    public void loadingForm1(){
        frmLogin.append(txtUsername);
        frmLogin.append(txtPassword);
        frmLogin.addCommand(cmdLogin);
        frmLogin.addCommand(cmdExit);
        frmLogin.setCommandListener(this);

    }
    public void loadingForm2(){
        frmGambar.append(new ImageItem(null,imgContoh1,ImageItem.LAYOUT_CENTER,null));
        frmGambar.append(new ImageItem(null,imgContoh2,ImageItem.LAYOUT_BOTTOM,null));
        frmGambar.addCommand(cmdExit);
        frmGambar.setCommandListener(this);
   

    }
}