public async Task <Result> VolumeDown() { var sb = new StringBuilder(); var powerStatus = await _yamahaService.PowerStatus(); if (powerStatus == PowerStatusEnum.On) { var newVolume = await _yamahaService.VolumeDown(); sb.AppendLine("Yamaha Volume Down."); VolumeChangeNotify(newVolume); sb.Append($"{newVolume} db"); } else { sb.AppendLine("Yamaha is turned off."); PushNotification("Yamaha is turned off. Operation canceled"); } return(new Result() { ErrorCode = 0, Message = sb.ToString(), Ok = true }); }
public async Task <int> VolumeDown() { return(await YamahaService.VolumeDown()); }