MainFragment.java

  private void loadData() {
    swipeRefreshingLayout.setRefreshing(true);
    FireBaseDatabaseManager.getHotelReference().addValueEventListener(new ValueEventListener() {
      @Override public void onDataChange(DataSnapshot dataSnapshot) {
        GenericTypeIndicator<List<Hotel>> tempIndicator = new GenericTypeIndicator<List<Hotel>>() {
        };
        hotelRecyclerAdapter.setItems(dataSnapshot.getValue(tempIndicator));
        swipeRefreshingLayout.setRefreshing(false);
      }

      @Override public void onCancelled(DatabaseError databaseError) {
        L.e(databaseError.getMessage());
        swipeRefreshingLayout.setRefreshing(false);
      }
    });
  }