setBalance method
Sets the stereo balance.
-1 - The left channel is at full volume; the right channel is silent. 1 - The right channel is at full volume; the left channel is silent. 0 - Both channels are at the same volume.
Implementation
Future<void> setBalance(double balance) async {
_balance = balance;
await creatingCompleter.future;
return _platform.setBalance(playerId, balance);
}