openSession method
Implementation
@override
void openSession(FlutterSoundRecorderCallback aSession)
{
assert(findSession(aSession) == -1);
for (var i = 0; i < _slots.length; ++i)
{
if (_slots[i] == null)
{
_slots[i] = aSession;
return;
}
}
_slots.add(aSession);
}