This example shows how to create an implicit List.




 /*
J2ME: The Complete Reference

James Keogh

Publisher: McGraw-Hill

ISBN 0072227109

*/
//jad file (please verify the jar size)
/*
MIDlet-Name: ListImplicit
MIDlet-Version: 1.0
MIDlet-Vendor: MyCompany
MIDlet-Jar-URL: ListImplicit.jar
MIDlet-1: ListImplicit, , ListImplicit
MicroEdition-Configuration: CLDC-1.0
MicroEdition-Profile: MIDP-1.0
MIDlet-JAR-SIZE: 100

*/
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class ListImplicit extends MIDlet implements CommandListener
{
  private Display display;
  private List list; 
  private Command exit; 
  Alert alert;
  public ListImplicit()
  {
    display = Display.getDisplay(this);
    exit = new Command("Exit", Command.EXIT, 1);
    list = new List("Menu:", List.IMPLICIT); 
    list.append("New",null);
    list.append("Open",null);
    list.addCommand(exit);
    list.setCommandListener(this);
  }
  public void startApp() 
  {
    display.setCurrent(list);
  }
  public void pauseApp()
  {
  }
  public void destroyApp(boolean unconditional)
  {
  }
  public void commandAction(Command command, Displayable displayable)
  {
    if (command == List.SELECT_COMMAND)
    {
      String selection = list.getString(list.getSelectedIndex());
      alert = new Alert("Option Selected", selection, null, null);
      alert.setTimeout(Alert.FOREVER);
      alert.setType(AlertType.INFO);
      display.setCurrent(alert);
    }
    else if (command == exit)
    {
      destroyApp(false);
      notifyDestroyed();
    }
  }
}

 

 

 

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