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How to create a RadioButton List E-mail
User Rating: / 17
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This example shows how to create a List which contains RadioButton elements.


Image Image


/*
J2ME: The Complete Reference

James Keogh

Publisher: McGraw-Hill

ISBN 0072227109

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

*/
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class ListRadioButtons extends MIDlet implements CommandListener
{
  private Display display;
  private Command exit; 
  private Command submit; 
  private List list; 
  public ListRadioButtons()
  {
    display = Display.getDisplay(this);
    list = new List("Select one", List.EXCLUSIVE);
    list.append("Male"null);
    list.append("Female"null);
    exit = new Command("Exit", Command.EXIT, 1);
    submit = new Command("Submit", Command.SCREEN,2);
    list.addCommand(exit);
    list.addCommand(submit);
    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 == submit)
    {
      Alert alert = new Alert("Choice"
                       list.getString(list.getSelectedIndex())
                       null, null);
      alert.setTimeout(Alert.FOREVER);
      alert.setType(AlertType.INFO);
      display.setCurrent(alert);
      list.removeCommand(submit);
    }
    else if (command == exit)
    {
      destroyApp(false);  
      notifyDestroyed();
    }
  }
}

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