[Android] นำค่าจาก DB json array ออกไปใช้ยังไงหรอคะ ?

class GetLocation extends AsyncTask<Void, Void, String> {
        //Explicit
        private DataView getLocation;
        private static final String urlJSON = "http://salamander/2559/getlatlong.php";
        // private Bitmap imge;

        public GetLocation(DataView getLocation) {
            this.getLocation = getLocation;
        }
        @Override
        protected String doInBackground(Void... params) {
            try {
                OkHttpClient okHttpClient = new OkHttpClient();
                Request.Builder builder = new Request.Builder();
                Request request = builder.url(urlJSON).build();
                com.squareup.okhttp.Response response = okHttpClient.newCall(request).execute();
                return response.body().string();

            } catch (Exception e) {
                Log.d("26novV1", "e doIn==>" + e.toString());
                return null;
            }
            //return null;
        }//doInBack

        @Override
        public void onPostExecute(String s) {

            Log.d("26novV1", "Json ==>" + s);
            //str = s;
            try {

                JSONArray jsonArray = new JSONArray(s);

                double max = 0;
                double min = 100;


                for (int i = 0; i < jsonArray.length(); i += 1) {
                    //Get Json from Database
                    JSONObject jsonObject = jsonArray.getJSONObject(i);

                    String strSignID = jsonObject.getString("SignID");
                    String strSignName = jsonObject.getString("SignName");
                    String strLat = jsonObject.getString("Latitude");
                    String strLng = jsonObject.getString("Longitude");

                    double[] LatArray = new double[jsonArray.length()];
                    LatArray[i] = Double.parseDouble(strLat);
                    double latt[] = {LatArray[i]};

                    double[] LngArray = new double[jsonArray.length()];
                    LngArray[i] = Double.parseDouble(strLng);
                    double lngg[] = {LngArray[i]};

                    String[] signName = new String[jsonArray.length()];
                    signName[i] = strSignName;
                    String smm[] ={signName[i]};

                    sm[i] = strSignName;
                    lat[i] = Double.parseDouble(strLat);
                    lng[i] = Double.parseDouble(strLng);
                  // sm= smm[0];
                  // lat= latt[0];
                  // lng= lngg[0];
                   // str = sm;
                   // latt = lat;
                   // lngg = lng;

                     // places = sm;
                     // latitudes = lat;
                     // longitudes = lng;
                  Log.d("22FebV2", "Name:" + places[i]+"lat:"+latitudes[i]+"lng:"+longitudes[i]);

                }//for

                // Log.d("22FebV1", "distance:" + signname);
            }
            catch (Exception e) {
                e.printStackTrace();
            }
            //  Log.d("22FebV2", "Name:" + str[0]+"lat:"+lat[0]+"lng:"+lng[0]);
        }//onPost
    }//GetLocation

double[] latitudes = new double[]{16.464869183517187 ,16.480202875616925,16.466050472661454};
     double[] longitudes = new double[]{102.81515311449766 ,102.83281110227108, 102.83200711011888};
    String[] places = new String[]{"Esquermes", "Montebello",""};