import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Gauge;
import javax.microedition.midlet.MIDlet;

public class GaugeInteractive extends MIDlet implements CommandListener {
  private Display display;

  private Form form = new Form("");

  private Command exit = new Command("Exit", Command.EXIT, 1);

  private Command vote = new Command("Vote", Command.SCREEN, 1);

  private Gauge gauge = new Gauge("Rate the movie: ", true, 5, 1);

  public GaugeInteractive() {
    display = Display.getDisplay(this);
    form.addCommand(exit);
    form.addCommand(vote);
    form.append(gauge);
    form.setCommandListener(this);
  }

  public void startApp() {
    display.setCurrent(form);
  }

  public void pauseApp() {
  }

  public void destroyApp(boolean unconditional) {
  }

  public void commandAction(Command command, Displayable displayable) {
    if (command == exit) {
      destroyApp(false);
      notifyDestroyed();
    } else if (command == vote) {
      String msg = String.valueOf(gauge.getValue());
      Alert alert = new Alert("Ranking", msg, null, null);
      alert.setTimeout(Alert.FOREVER);
      alert.setType(AlertType.INFO);
      display.setCurrent(alert);
    }
  }
}