Using the controlP5 library, I'm having trouble.  The sliders work alone, as do the radio buttons; But I can't get them to play together: I get this error message....



Jan 19, 2011 11:34:34 PM controlP5.ControlBroadcaster printMethodError
SEVERE: An error occured while forwarding a Controller value
 to a method in your program. Please check your code for any
possible errors that might occur in this method .
 e.g. check for casting errors, possible nullpointers, array overflows ... .
method: controlEvent
exception:  java.lang.reflect.InvocationTargetException


From this code...


void drawGUI(){
 controlP5 = new ControlP5(this);
  controlP5.addSlider("turnup",-5.0,5.0,0,10,140,10,200);//.setId(2);
  Slider s1 = (Slider)controlP5.controller("turnup");
  s1.setSliderMode(Slider.FLEXIBLE);
  controlP5.addSlider("turnside",-5.0,5.0,0,30,110,200,10);//.setId(3);
  Slider s2 = (Slider)controlP5.controller("turnside");
  s2.setSliderMode(Slider.FLEXIBLE);
  controlP5.addSlider("linewidth",3.0,10.0,6.0,260,20,50,10);//.setId(4);
  Slider s3 = (Slider)controlP5.controller("linewidth");
  s3.setSliderMode(Slider.FLEXIBLE);

 r = controlP5.addRadioButton("radioButton",260,35);
  r.setColorForeground(color(120));
  r.setColorActive(color(255,0,0));
  r.setColorLabel(color(255));
  r.setItemsPerRow(3);
  r.setSpacingColumn(40);

  addToRadioButton(r,"Black",1);
  addToRadioButton(r,"Gray",2);
  addToRadioButton(r,"Erase",3);
  addToRadioButton(r,"Lt_Gray",4);
  addToRadioButton(r,"Dk_Gray",5);
}


void addToRadioButton(RadioButton theRadioButton, String theName, int theValue ) {
  Toggle t = theRadioButton.addItem(theName,theValue);
  t.captionLabel().setColorBackground(color(80));
  t.captionLabel().style().movePadding(2,0,-1,2);
  t.captionLabel().style().moveMargin(-2,0,0,-3);
  t.captionLabel().style().backgroundWidth = 36;
}


void controlEvent(ControlEvent theEvent) {
  for(int i=0;i<theEvent.arrayValue().length;i++) {
   print(int(theEvent.group().arrayValue()[i]));
 }
  println("\t "+theEvent.value());
 
}