enableCameraTorch method
Enable/Disable flash (supports only the Android and iOS platforms)
Parameters:
enable true: enabled; false: disabled. Default value: false
Implementation
Future<bool?> enableCameraTorch(
    bool enable // true: enabled; false: disabled. Default value: false
    ) {
  return _channel.invokeMethod('enableCameraTorch', {
    "enable": enable,
  });
}