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

public class TwoGauges extends MIDlet
  implements CommandListener, ItemStateListener {
    private Display displayen;
    private Form formuläret;
    private Command exitkommandot = new Command("Avsluta", Command.EXIT, 0);
    Gauge g1 = new Gauge("Ena mätaren", true, 5, 3);
    Gauge g2 = new Gauge("Andra mätaren", true, 5, 3);

    public TwoGauges() {
        formuläret = new Form("Två sammankopplade mätare");
        formuläret.append(g1);
        formuläret.append(g2);

        formuläret.addCommand(exitkommandot);
        formuläret.setCommandListener(this);

        formuläret.setItemStateListener(this);
    }

    public void startApp() {
        displayen = Display.getDisplay(this);
        displayen.setCurrent(formuläret);
    }

    public void commandAction(Command kommandot, Displayable s) {
        if (kommandot == exitkommandot) {
            destroyApp(false);
            notifyDestroyed();
        }
    }

    public void itemStateChanged(Item i) {
        if (i == g1)
            g2.setValue(g1.getValue());
        else if (i == g2)
            g1.setValue(g2.getValue());
    }

    public void destroyApp(boolean unconditional) { }

    public void pauseApp() { }
} // class TwoGauges