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1¡¢Android MapViewµÄGeocoderÀà，¹úÄÚÔËÐб¨´í

Geocoder geocoder=new Geocoder(this, Locale.getDefault());  
                try {  
                    List<Address> addresses=geocoder.getFromLocation(latitude, longitude, 1);  
                    StringBuilder stringBuilder=new StringBuilder();                      
                    if(addresses.size()>0){  
                        Address address=addresses.get(0);  
                        for(int i=0;i<address.getMaxAddressLineIndex();i++){  
                            stringBuilder.append(address.getAddressLine(i)).append("\n");                                                 
                        }  
                        stringBuilder.append(address.getLocality()).append("_");  
                        stringBuilder.append(address.getPostalCode()).append("_");  
                        stringBuilder.append(address.getCountryCode()).append("_");  
                        stringBuilder.append(address.getCountryName()).append("_");  
                        System.out.println(stringBuilder.toString());  
                    }  
                } catch (IOException e) {  
                    // TODO Auto-generated catch block  
                    Toast.makeText(this, "±¨´í", Toast.LENGTH_LONG).show();  
                    e.printStackTrace();  
                } 

2¡¢

http://maps.google.com/maps/api/geocode/json?latlng=22.248586104419488,114.17447027648929&language=EN

http://maps.google.cn/maps/api/geocode/json?latlng=22.248586104419488,114.17447027648929&language=EN

¾­Î³¶È²éѯµÄÍøÕ¾

http://www.gpsspg.com/maps.htm

http://www.earthol.com/

public class GetCityTask extends AsyncTask<String, Integer, String> {
  @Override
  protected String doInBackground(String... urls) {
   try {
    latitude = "14.550519421017787";
    longitude = "121.12469610656741";
    String url = "http://maps.google.cn/maps/api/geocode/json?latlng=" + latitude + "," + longitude
      + "&language=zh";

    HttpClient dhc = new DefaultHttpClient();
    HttpGet request = new HttpGet(url);

    dhc.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 60000);
    dhc.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, 60000);

    HttpResponse httpResponse;
    String result = "";
    try {
     httpResponse = dhc.execute(request);
    } catch (ClientProtocolException e) {
     return "";
    } catch (IOException e) {
     // connection is refused
     return "";
    }
    if (httpResponse.getStatusLine().getStatusCode() == 200) {
     result = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
    }
    return result;
   } catch (Exception ex) {
    return "";
   }
  }

  @Override
  protected void onPostExecute(String result) {
   JSONObject jsonObject;
   try {
    jsonObject = new JSONObject(result);

    JSONArray resultArray = jsonObject.getJSONArray("results");
    if (resultArray.length() > 0) {
     JSONObject obj = resultArray.getJSONObject(0);
     String address = obj.getString("formatted_address");
     Log.e("address", address);
     JSONArray addressArray = obj.getJSONArray("address_components");
     for(int i=0;i < addressArray.length();i++){
      JSONObject addressObj = addressArray.getJSONObject(i);
      JSONArray typeArray = addressObj.getJSONArray("types");
      if("locality".equals(typeArray.get(0))){
       Log.e("long_name", addressObj.getString("long_name")+"");
      }
      if("administrative_area_level_1".equals(typeArray.get(0))){
       Log.e("long_name", addressObj.getString("long_name")+"");
      }
     }
    }
   } catch (JSONException e) {
    e.printStackTrace();
   }
  }