• (NSString )currentWifiSSID
  {
  NSString ssid = nil;
  NSArray ifs = (__bridge id)CNCopySupportedInterfaces();
  for (NSString ifname in ifs) {
  NSDictionary *info = (bridge id)CNCopyCurrentNetworkInfo((bridge CFStringRef)ifname);
  if (info[@"SSIDD"])
  {
  ssid = info[@"SSID"];
  }
  }
  return ssid;
  }