Source Code : multiple Choice List

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

multiple Choice List

/*--------------------------------------------------
* MultipleChoiceList.java
*
* Create multiple choice list and save selection
* status of each element in an array.
*
* 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.*;

public class MultipleChoiceList extends MIDlet implements CommandListener
{
  private Display display;      // Reference to display object 
  private Command cmExit;      // A Command to exit the MIDlet
  private Command cmView;      // View the choice selected
  private List lsPrefs;        // Choice Group of preferences

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

    // Create a multiple choice list
    lsPrefs = new List("Preferences", List.MULTIPLE);
    
    // Append options, with no associated images
    lsPrefs.append("Auto Indent", null);
    lsPrefs.append("Replace Tabs", null);
    lsPrefs.append("Wrap Text", null);    

    cmExit = new Command("Exit", Command.EXIT, 1);
    cmView = new Command("View", Command.SCREEN,2);

    // Add commands, listen for events
    lsPrefs.addCommand(cmExit);
    lsPrefs.addCommand(cmView);
    lsPrefs.setCommandListener(this);   
  }

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

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

  public void commandAction(Command c, Displayable s)
  {
    if (c == cmView)
    {
      boolean selected[] = new boolean[lsPrefs.size()];
     
      // Fill array indicating whether each element is checked 
      lsPrefs.getSelectedFlags(selected);
      
      for (int i = 0; i < lsPrefs.size(); i++)
        System.out.println(lsPrefs.getString(i) + (selected[i] ? ": selected" : ": not selected"));

    }
    else if (c == cmExit)
    {
      destroyApp(false);
      notifyDestroyed();
    } 
  }
}

           
       

Thank with us