Home J2me J2ME Alert Example
Questions:Ask|Latest


 
 

Share on Google+Share on Google+

J2ME Alert Example

Advertisement
This example illustrates how to create alert through sound. In this example we are using AlertType class for the different alert.

J2ME Alert Example

     

Sound Alerts using MIDlet in J2ME

This example illustrates how to create  alert through sound. In this example we are using AlertType class for the different alert. The AlertType() class has only one method:

  • playSound(Display display):- This is the boolean type method, it is used to Alert user by playing the sound.

 There are different Alert Types in J2ME:

  • ALARM
  • CONFIRMATION
  • ERROR 
  • INFO
  • WARNING 

The Application is as follows:

 

Source code of SoundAlertExample.java

 

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

public class SoundAlertExample extends MIDlet implements 
ItemStateListener, CommandListener{

  private Display display;  
  private Form form;  
  private Command exit; 
  private ChoiceGroup choice; 

  public void startApp(){
  display = Display.getDisplay(this);
  choice = new ChoiceGroup("List of Sound", Choice.EXCLUSIVE);
  choice.append("Message Tone"null);  
  choice.append("Confirmation Tone"null);  
  choice.append("Warning Tone"null);  
  choice.append("Alarm Tone"null);  
  choice.append("Error Tone"null);  
  exit = new Command("Exit", Command.EXIT, 1);
  form = new Form("");
  form.append(choice);
  form.addCommand(exit);
  form.setCommandListener(this)
  form.setItemStateListener(this);
  display.setCurrent(form);
  }

  public void pauseApp(){ }

  public void destroyApp(boolean unconditional){
  notifyDestroyed();
  }

  public void commandAction(Command c, Displayable s){
  String label = c.getLabel();
  if(label.equals("Exit")){
  destroyApp(false);
  
  }

  public void itemStateChanged(Item item){
  switch (choice.getSelectedIndex()){
  case 0
  AlertType.INFO.playSound(display);
  break;

  case 1:
  AlertType.CONFIRMATION.playSound(display);
  break;

  case 2:
  AlertType.WARNING.playSound(display);
  break;
  
  case 3:
  AlertType.ALARM.playSound(display);
  break;

  case 4:
  AlertType.ERROR.playSound(display);
  break;
  }
  }
}

Download Source Code

Advertisement

If you enjoyed this post then why not add us on Google+? Add us to your Circles



Liked it!  Share this Tutorial


Follow us on Twitter, or add us on Facebook or Google Plus to keep you updated with the recent trends of Java and other open source platforms.

Posted on: October 14, 2008

Ask Questions?    Discuss: J2ME Alert Example   View All Comments

Post your Comment


Your Name (*) :
Your Email :
Subject (*):
Your Comment (*):
  Reload Image
 
 
Comments
DMCA.com