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

public class Perexod extends MIDlet implements CommandListener {

    private Command exitMidlet;
    private Command perexodTextBox;
    private Command perexodList;
    private Command perexodAlert;
    private Display mydisplay;
    private Alert myAlert;

    public Perexod() {
        mydisplay = Display.getDisplay(this);
        exitMidlet = new Command("Exit", Command.EXIT, 1);
        perexodTextBox = new Command("TextBox", Command.SCREEN, 2);
    }

    public void startApp() {
        Form myform = new Form("this is object form");
        myform.addCommand(exitMidlet);
        myform.addCommand(perexodTextBox);
        myform.setCommandListener(this);
        mydisplay.setCurrent(myform);


    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command c, Displayable d) {
        if (c == exitMidlet) {
            destroyApp(false);
            notifyDestroyed();
        }
        if (c == perexodTextBox) {
            TextBox tb = new TextBox("TextBox", "text", 256, 0);
            perexodList = new Command("perexod", Command.SCREEN, 2);
            tb.addCommand(exitMidlet);
            tb.addCommand(perexodList);
            tb.setCommandListener(this);
            Display.getDisplay(this).setCurrent(tb);

        }
        if (c == perexodList) {
            List mylist = new List("List", List.IMPLICIT);
            perexodAlert = new Command("perexod", Command.SCREEN, 2);
            mylist.addCommand(exitMidlet);
            mylist.addCommand(perexodAlert);
            mylist.setCommandListener(this);
            Display.getDisplay(this).setCurrent(mylist);

        }
        if (c == perexodAlert) {
            myAlert = new Alert("Alert", "xz", null, null);
            Display.getDisplay(this).setCurrent(myAlert);
        }
    }
}