code: public static void dismiss() {
          final Snackbar currentSnackbar = getCurrentSnackbar();
          if (currentSnackbar != null) {
              MAIN_THREAD.post(new Runnable() {
                  @Override
                  public void run() {
                      currentSnackbar.dismiss();
                  }
              });
          }
      }
docs: Dismisses the {@link com.nispok.snackbar.Snackbar} shown by this manager.