NewRingViewTransition.java

public class RingViewTransition extends Transition {
  ...
  private void captureValues(RingView view, TransitionValues transitionValues) {
      Bundle extraData = (Bundle)transitionValues.view.getTag(R.id.tag_transition_extra_properties);
      if (extraData != null) {
          transitionValues.values.put(PROPNAME_COLOR,
                  extraData.getInt(PROPNAME_COLOR, view.getColor()));
          transitionValues.values.put(PROPNAME_INNER_RADIUS,
                  extraData.getFloat(PROPNAME_INNER_RADIUS, view.getInnerCircleRadius()));
          transitionValues.values.put(PROPNAME_OUTER_RADIUS,
                  extraData.getFloat(PROPNAME_OUTER_RADIUS ,view.getOuterCircleRadius()));
      } else {
          transitionValues.values.put(PROPNAME_COLOR, view.getColor());
          transitionValues.values.put(PROPNAME_INNER_RADIUS, view.getInnerCircleRadius());
          transitionValues.values.put(PROPNAME_OUTER_RADIUS, view.getOuterCircleRadius());
      }
  }
  ...
}