问在Xamarin.IOS中获取网络SSID时出错

EN

<key>NSLocationWhenInUseUsageDescription</key>
<string>Your Description</string>

var manager = new CLLocationManager();
if (UIDevice.CurrentDevice.CheckSystemVersion(8, 0))
    manager.RequestWhenInUseAuthorization();

if (CLLocationManager.Status is CLAuthorizationStatus.Authorized || 
    CLLocationManager.Status is CLAuthorizationStatus.AuthorizedAlways || 
    CLLocationManager.Status is CLAuthorizationStatus.AuthorizedWhenInUse)
{
  if (CaptiveNetwork.TryGetSupportedInterfaces(out string[] supportedInterfaces) == StatusCode.OK)
  {
    foreach (var item in supportedInterfaces)
    {
      if (CaptiveNetwork.TryCopyCurrentNetworkInfo(item, out NSDictionary info) == StatusCode.OK)
      {
        var ssid = info[CaptiveNetwork.NetworkInfoKeySSID].ToString();
        System.Console.WriteLine(ssid);
      }
    }
  }
}