code: public void clearUserValues() {
          ArrayList<String> buckets = getBuckets();
          for (String bucket : buckets) {
              setCreditCount(bucket, 0);
          }
          setBuckets(new ArrayList<String>());
          
          ArrayList<String> actions = getActions();
          for (String action : actions) {
              setActionTotalCount(action, 0);
              setActionUniqueCount(action, 0);
          }
          setActions(new ArrayList<String>());
      }
docs: <p>Resets the user-related values that have been stored in preferences. This will cause a
  sync to occur whenever a method reads any of the values and finds the value to be 0 or unset.</p>