FetchAddressFromLocation.java

private class FetchAddressFromLocation extends AsyncTask<Void, Void, String> {

        private Context context;
        private Double latitude;
        private Double longitude;

        public FetchAddressFromLocation(Context context, Double latitude, Double longitude) {
            this.context = context;
            this.latitude = latitude;
            this.longitude = longitude;
        }

        @Override
        protected String doInBackground(Void... voids) {
            Geocoder geocoder = new Geocoder(context, Locale.getDefault());
            String result = null;
            try {
                List<Address> addressList = geocoder.getFromLocation(
                        latitude, longitude, 1);
                if (addressList != null && addressList.size() > 0) {
                    Address address = addressList.get(0);
                    StringBuilder sb = new StringBuilder();
                    for (int i = 0; i < address.getMaxAddressLineIndex(); i++) {
                        sb.append(address.getAddressLine(i)).append("\n");
                    }
                    sb.append(address.getLocality()).append("\n");
                    sb.append(address.getPostalCode()).append("\n");
                    sb.append(address.getCountryName());
                    result = sb.toString();
                }
            } catch (IOException e) {
                Log.e("TAG", "Unable connect to Geocoder", e);
            } finally {
                if (result != null) {
                    Bundle bundle = new Bundle();
                    result = "Latitude: " + latitude + " Longitude: " + longitude +
                            "\n\nAddress:\n" + result;
                    bundle.putString("address", result);
                } else {
                    Bundle bundle = new Bundle();
                    result = "Latitude: " + latitude + " Longitude: " + longitude +
                            "\n Unable to get address for this lat-long.";
                    bundle.putString("address", result);
                }
            }
            return result;
        }

        @Override
        protected void onPostExecute(String s) {
            AlertDialog.Builder builder = new AlertDialog.Builder(context);
            builder.setMessage(s);
            builder.create().show();
        }
    }