Smith responded to the crowd with a hundred and powered the Aussies to a respectable score.
He was booed by the crowd when he walked out to bat and even when he raised his bat to celebrate the hundred.
Virat Kohli, Jos Buttler and compatriot David Warner were the big 3 for the former Australia batter.
The Rose Bowl is expected to be in high attendance on a pleasant Saturday morning and although it is a preparatory, both sides will be desperate to gather some momentum.
Pakistan elected to bat and the team failed to last the full 50 overs, managing 262 against Afghanistan.
In the last ODI in Southampton, 735 runs were hammered in all by both the teams.
Usman Khawaja was hit by a Andre Russell bouncer in an unofficial warm-up game on May 22 and could be rested.
The two teams will come visiting for a full-fledged tour.
No team can afford losing the momentum in the middle overs.
Lee himself has 35 wickets from 17 World Cup matches.