code: public H getHelper() {
  		if (helper == null) {
  			if (!created) {
  				throw new IllegalStateException("A call has not been made to onCreate() yet so the helper is null");
  			} else if (destroyed) {
  				throw new IllegalStateException(
  						"A call to onDestroy has already been made and the helper cannot be used after that point");
  			} else {
  				throw new IllegalStateException("Helper is null for some unknown reason");
  			}
  		} else {
  			return helper;
  		}
  	}
docs: Get a helper for this action.