sliderRed = find("red", UISlider.class);
sliderGreen = find("green", UISlider.class);
sliderBlue = find("blue", UISlider.class);
sliderRed.bindValue(new NotifyingBinding(color.rf()));
sliderGreen.bindValue(new NotifyingBinding(color.gf()));
sliderBlue.bindValue(new NotifyingBinding(color.bf()));
WidgetUtil.trySubscribe(this, "close", new ActivateEventListener() {
@Override
public void onActivated(UIWidget button) {