Source Code : Non Interactive Gauge

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

Non Interactive Gauge

/*--------------------------------------------------
* NonInteractiveGauge.java
*
* Example from the book:     Core J2ME Technology
* Copyright John W. Muchow   http://www.CoreJ2ME.com
* You may use/modify for any non-commercial purpose
*-------------------------------------------------*/
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.util.Timer;
import java.util.TimerTask;

public class NonInteractiveGauge extends MIDlet implements CommandListener
{
  private Display display;        // Reference to display object 
  private Form fmMain;            // The main form
  private Command cmExit;         // Exit the form
  private Command cmStop;         // Stop the download  
  private Gauge gaProgress;       // Progress indicator
  private Timer tm;               // The Timer
  private DownloadTimer tt;       // The task to run

  public NonInteractiveGauge()
  {
    display = Display.getDisplay(this);

    // Create the gauge, exit and stop command
    gaProgress = new Gauge("Download Progress", false, 20, 1);
    cmExit = new Command("Exit", Command.EXIT, 1);
    cmStop = new Command("Stop", Command.STOP, 1);    
        
    // Create the form, add gauge & stop command, listen for events
    fmMain = new Form("");
    fmMain.append(gaProgress);    
    fmMain.addCommand(cmStop);
    fmMain.setCommandListener(this);
  }

  // Called by application manager to start the MIDlet.
  public void startApp()
  {
    display.setCurrent(fmMain);

    // Create a timer that fires off every 1000 milliseconds    
    tm = new Timer();
    tt = new DownloadTimer();
    tm.scheduleAtFixedRate(tt, 0, 1000);          
  }

  public void pauseApp()
  { }
  
  public void destroyApp(boolean unconditional)
  { }

  public void commandAction(Command c, Displayable s)
  {
    if (c == cmExit)
    {
      destroyApp(false);
      notifyDestroyed();
    }
    else if (c == cmStop)
    {
      tm.cancel();
      fmMain.removeCommand(cmStop);    
      fmMain.addCommand(cmExit);    
      gaProgress.setLabel("Download Cancelled!");
    }      
  }
  
  /*--------------------------------------------------
  * Process the Timer Task
  *-------------------------------------------------*/  
  private class DownloadTimer extends TimerTask
  {
    public final void run()
    {
      // Is current value of gauge less than the max?
      if (gaProgress.getValue() < gaProgress.getMaxValue())
        gaProgress.setValue(gaProgress.getValue() + 1);        
      else
      {
        // Remove stop command and replace with Exit
        fmMain.removeCommand(cmStop);    
        fmMain.addCommand(cmExit);    
        
        // Change the gauge label 
        gaProgress.setLabel("Download Complete!");
        
        // Stop the timer
        cancel();      
      }
    }
  }
}

           
       

Thank with us