Xi urged the multi-billionaire to "continue to play an active role in promoting China-US economic and trade cooperation", the official Xinhua news agency said.
'There is never a justification for violence. No excuses, no exceptions: America is a nation of laws,' he said.
The ministry did not specify if the signal was detected from the downed plane's black box.
The Sriwijaya Air Boeing 737-500 plunged into a steep dive about four minutes after it left Soekarno-Hatta international airport in Jakarta on Saturday afternoon.
'One of the few things he and I have ever agreed on,' Biden said. 'It's a good thing, him not showing up.'
Australia have clearly toned down their sledging since a ball-tampering scandal broke, South Africa captain Faf du Plessis said Friday, but urged them not to totally sacrifice their confrontational approach.
Brilliant fielding by Ben Stokes enabled England to end a key stand between Dimuth Karunaratne and Dhananjaya de Silva as Sri Lanka reached 139 for 4 at lunch in the second Test on Thursday.
Nightwatchman Pushpakumara then survived the 15 balls he faced before stumps.
The panel found that America's focus on counter-insurgency operations this century resulted in it slipping in other warfighting areas such as missile defence, cyber and space operations, and anti-surface and anti-submarine warfare.
The league will be staged at a challenging time for South African cricket.
