It was initially ruled out but with the Euros cancelled it might be brought back in
What was a no before is now a maybe. Barcelona had decided not to go on a big pre-season tour in the summer, becuase of the Euros and the Copa America and the Olympics. Two of those have now been postponed and one may yet be.
There is now a new scenario, so the option is back on the table - provided coronavirus lowers and the season finishes in June as the current hopes are. Players would get July off and then be back to work in August.
Barca could go on a tour at the start of August in Asia or the USA. If the league is finished in July or August there may be other ideas. It's clear neither La Liga or RFEF want to call the division and hand Barca the title so we'll have to wait and see what happens.