Android obtains the instance code of the city through the current latitude and longitude

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public class GetCity {
 /**
* Get the user's current city through the user's current latitude and longitude with the help of Google MAP
  */
 static final String GOOGLE_MAPS_API_KEY = "abcdefg";

 private LocationManager locationManager;
 private Location currentLocation;
private String city="National";
 public GetCity(Context context) {
  = (LocationManager) context
    .getSystemService(Context.LOCATION_SERVICE);
//Just simply get the city and there is no need for real-time updates, so I comment here first
//  (
//    LocationManager.GPS_PROVIDER,  1000, 0,
//    new LocationListener() {
//     public void onLocationChanged(Location loc) {
//        // This function is triggered when the coordinates change. If the Provider passes the same coordinates, it will not be triggered
//      // Save the latest location
//      currentLocation = loc;
//      // Update the latitude & longitude TextViews
//     
//        .println("getCity()"
//          + (() + " " + loc
//            .getLongitude()));
//     }
//
//     public void onProviderDisabled(String arg0) {
//       (".onProviderDisabled(closed)"+arg0);
//     }
//
//     public void onProviderEnabled(String arg0) {
//      (".onProviderEnabled(Open)"+arg0);
//     }
//
//     public void onStatusChanged(String arg0, int arg1,
//       Bundle arg2) {
//       (".onStatusChanged(Provider's transposition is available," +
//        "This function is triggered when the three states are temporarily unavailable and no service is switched directly)"+
//        arg0+" "+arg1+" "+arg2);
//     }
//    });
  currentLocation = (LocationManager.GPS_PROVIDER);

  if (currentLocation == null)
   currentLocation = locationManager
     .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
 }
 /**
* Start parsing
  */
 public void start() {
  if(currentLocation!=null){
   new Thread(){
    public void run(){
     String temp=reverseGeocode(currentLocation);
     if(temp!=null&&()>=2)
      city=temp;
    }
   }.start();
  }else{
("() not obtained location");
  }
 }

 /**
* Obtain the city
  * @return
  */
 public String getCity(){
  return city;
 }

 /**
* Dissect cities through Google map api
  * @param loc
  * @return
  */
 public String reverseGeocode(Location loc) {
  // /maps/geo?q=40.714224,-73.961452&output=json&oe=utf8&sensor=true_or_false&key=your_api_key
  String localityName = "";
  HttpURLConnection connection = null;
  URL serverAddress = null;

  try {
   // build the URL using the latitude & longitude you want to lookup
   // NOTE: I chose XML return format here but you can choose something
   // else
   serverAddress = new URL("/maps/geo?q="
     + (()) + ","
     + (())
     + "&output=xml&oe=utf8&sensor=true&key="
     + GOOGLE_MAPS_API_KEY);
   // set up out communications stuff
   connection = null;

   // Set up the initial connection
   connection = (HttpURLConnection) ();
   ("GET");
   (true);
   (10000);

   ();

   try {
    InputStreamReader isr = new InputStreamReader(connection
      .getInputStream());
    InputSource source = new InputSource(isr);
    SAXParserFactory factory = ();
    SAXParser parser = ();
    XMLReader xr = ();
    GoogleReverseGeocodeXmlHandler handler = new GoogleReverseGeocodeXmlHandler();

    (handler);
    (source);

    localityName = ();
    ("()"+localityName);
   } catch (Exception ex) {
    ();
   }
  } catch (Exception ex) {
   ();
   ("()"+ex);
  }

  return localityName;
 }

 /**
  * The final piece of this puzzle is parsing the xml tha