Use active and inactive Gauge : Gauge « J2ME « Java Tutorial

1. Java Tutorial
2. J2ME
3. Gauge

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 J2MEActiveInactiveGaugeMIDlet extends MIDlet implements CommandListener {

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

  private Gauge activeGauge = new Gauge("active:", true, 10, 2);

  private Gauge inactiveGauge = new Gauge("inactive:", false, 10, 4);

  private Display display = Display.getDisplay(this);

  public void startApp() {
    Form aForm = new Form("Gauge");

    aForm.append(activeGauge);
    aForm.append(inactiveGauge);

    aForm.addCommand(exitCommand);
    aForm.setCommandListener(this);
    display.setCurrent(aForm);
  }

  public void pauseApp() {
  }

  public void destroyApp(boolean unconditional) {
  }

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

31.15.Gauge
	31.15.1.	Add Gauge to a form
	31.15.2.	Use active and inactive Gauge
	31.15.3.	new Gauge(null, false, 100, 50)
	31.15.4.	Gauge Tracker
	31.15.5.	Gauge Non Interactive
	31.15.6.	Gauge Interactive