[itp]

I want to build a form with radio buttons and a submit button. I use a FieldChangeListener to capture selection. I think getSelectedIndex() is supposed to retrieve button selected, but I keep getting a null when the button is clicked. I was able to overcome this with an inner class on radiobuttongroup , but I know it is not the best solution.
Can anyone advise?

PHP Code:

 
public class fieldTest extends MainScreen implements FieldChangeListener
{
    ButtonField button1 = null;
    RadioButtonField radioButtonF1 = null;
    RadioButtonField radioButtonF2 = null;
    RadioButtonField radioButtonF3 = null;

    int valueOfRadioButton = 0;
    public fieldTest()
    {  
        super(DEFAULT_MENU | DEFAULT_CLOSE);
        LabelField title = new LabelField("RadioButtonField Example" ,LabelField.ELLIPSIS |  LabelField.USE_ALL_WIDTH); 
        setTitle(title);  
        
        LabelField lblA, lblB;
        lblA = new LabelField("Here comes some radioButtonFields in a RadioButtonGroup:");
        this.add(lblA); 
        
        final RadioButtonGroup rbGroup = new RadioButtonGroup();
        RadioButtonField radioButtonF1 = new RadioButtonField("Radio Option 1", rbGroup, true);    // turn the first one "on"
        RadioButtonField radioButtonF2 = new RadioButtonField("Radio Option 2", rbGroup, false);
        RadioButtonField radioButtonF3 = new RadioButtonField("Radio Option 3", rbGroup, false);
        this.add(radioButtonF1);
        this.add(radioButtonF2);
        this.add(radioButtonF3);
        
        button1 = new ButtonField("Submit");            
        this.add(button1);
        button1.setChangeListener(this);        
        rbGroup.setChangeListener(new FieldChangeListener() {
                      public void fieldChanged(Field field, int context)
                     {          if(rbGroup.getSelectedIndex() == 0)             
                                               valueOfRadioButton = 0;
                                if(rbGroup.getSelectedIndex() == 1)             
                                               valueOfRadioButton = 1;          
                                if(rbGroup.getSelectedIndex() == 2)             
                                               valueOfRadioButton = 2;          
                      }       
               });
              
        radioButtonF1.setChangeListener(this);
        radioButtonF2.setChangeListener(this);
        radioButtonF3.setChangeListener(this);
        
    }
    // over-ride default onSavePrompt method to avoid being asked if I want to save each time.
    public boolean onSavePrompt()
    {
        return true;
    }         
    
    public void fieldChanged(Field field, int context)
    {
         if(field instanceof ButtonField)
        {    
             if(valueOfRadioButton == 0)
                 Dialog.alert("Option One was selected!");             
             if(valueOfRadioButton == 1)
                 Dialog.alert("Option Two was selected!");             
             if(valueOfRadioButton == 2)
                 Dialog.alert("Option Three was selected!");              
        }        
    }    
}