Android: How to get Address from geolocation using Geocoder

Class: HttpRetriever

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public class HttpRetriever {
    private DefaultHttpClient client = new DefaultHttpClient();
 
    public String retrieve(String url) {
        HttpGet getRequest = new HttpGet(url);
        try {
            HttpResponse getResponse = client.execute(getRequest);
            final int statusCode = getResponse.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_OK) {
                Log.w(getClass().getSimpleName(), "Error " + statusCode
                        + " for URL " + url);
                return null;
            }
            HttpEntity getResponseEntity = getResponse.getEntity();
 
            if (getResponseEntity != null) {
                return EntityUtils.toString(getResponseEntity);
            }
        } catch (IOException e) {
            getRequest.abort();
            Log.w(getClass().getSimpleName(), "Error for URL " + url, e);
        }
        return null;
 
    }
}

Method: getAddressFromGPSData

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public static final String GOOGLE_GEOCODER = "http://maps.googleapis.com/maps/api/geocode/json?latlng=";
 
public static String getAddressFromGPSData(double lat, double longi) {
        HttpRetriever agent = new HttpRetriever();
        String request = GOOGLE_GEOCODER + lat + ","
                + longi + "&sensor=true";
        // Log.d("GeoCoder", request);
        String response = agent.retrieve(request);
        String formattedAddress = "";
        if (response != null) {
            Log.d("GeoCoder", response);
            try {
                JSONObject parentObject = new JSONObject(response);
                JSONArray arrayOfAddressResults = parentObject
                        .getJSONArray("results");
                JSONObject addressItem = arrayOfAddressResults.getJSONObject(0);
                formattedAddress = addressItem.getString("formatted_address");
            } catch (JSONException e) {
 
                e.printStackTrace();
            }
 
        }
 
        // Log.d("GeoCoder", response);
        return formattedAddress;
    }

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posted @ 2015-02-05 15:17  一直向北  阅读(132)  评论(0编辑  收藏  举报