code: @SuppressWarnings("unchecked")
    public static <T extends View> T findViewById(View containerView, int viewId) {
      View foundView = containerView.findViewById(viewId);
      return (T) foundView;
    }
docs: This method returns the reference of the View with the given Id in the view passed
  as parameter
  
  @param containerView The container View
  @param viewId        The id of the View we want to get a reference
  @return The View with the given id and type