startMicDeviceTest method Null safety
- int interval
Start mic test
Note: this API supports only the macOS and Windows platforms
Parameters:
Volume callback interval in ms
Returned value:
0: success; negative number: failure
Implementation
Future<int?> startMicDeviceTest(int interval
) {
return _channel.invokeMethod('startMicDeviceTest', {
"interval": interval
});
}