get location and event data from json url

mainActivity

package com.example.androidpractice;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.Iterator;

import org.json.JSONArray;
import org.json.JSONObject;

import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Menu;

public class MainActivity extends Activity {
 ArrayList<DateBean> sortArray = new ArrayList<DateBean>();

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);

  new FetchData().execute();
 }

 @Override
 public boolean onCreateOptionsMenu(Menu menu) {
  // Inflate the menu; this adds items to the action bar if it is present.
  getMenuInflater().inflate(R.menu.main, menu);
  return true;
 }

 class FetchData extends AsyncTask<Void, Void, Void> {

  @Override
  protected void onPreExecute() {
   // TODO Auto-generated method stub
   super.onPreExecute();
  }

  @Override
  protected Void doInBackground(Void... params) {
   // Creating JSON Parser instance
   JSONParser jParser = new JSONParser();

   // getting JSON string from URL

   JSONObject json = jParser.getJSONFromUrl("your link");
   try {
    JSONObject eventobject = json.getJSONObject("events");

    Iterator<Object> keys = eventobject.keys();

    while (keys.hasNext()) {

     String datestring = String.valueOf(keys.next());

     // by below logic you skip missed date.
     if (datestring.trim().length() > 0) {
      SimpleDateFormat formatter = new SimpleDateFormat(
        "yyyy-MM-dd");
      Date date = formatter.parse(datestring);
      DateBean dateBean = new DateBean(date);
      sortArray.add(dateBean);
     } else {

     }
     // JSONArray jsonArray =
     // eventobject.getJSONArray(datestring);
     // System.out.println(" --"+jsonArray);
    }

    System.out.println("size:" + sortArray.size());

    System.out.println("==========sorting array======");
    Collections.sort(sortArray, new CompareDate());
    // reverse order
    // Collections.reverse(sortArray);

    for (DateBean d : sortArray) {
     String dateKey = new SimpleDateFormat("yyyy-MM-dd")
       .format(d.getDate());
     System.out.println(dateKey);

     JSONArray jsonArray = eventobject.getJSONArray(dateKey);
     System.out.println(" --" + jsonArray);

    }

    // fetching location data
    JSONArray locationsobject = json.getJSONArray("locations");
    String latitude = "";
    String longitude = "";
    String city = "";
    String state = "";
    String country = "";
    String id = "";
    String street = "";
    String zip = "";

    for (int i = 0; i < locationsobject.length(); i++) {
     JSONObject i_Loc = locationsobject.getJSONObject(i);
     System.out.println("location object:" + i_Loc);

     try {
      latitude = i_Loc.getString("latitude");
      System.out.println("latitude :" + latitude);
     } catch (Exception e) {

      e.printStackTrace();
     }
     try {
      longitude = i_Loc.getString("longitude");
      System.out.println("longitude :" + longitude);
     } catch (Exception e) {

      e.printStackTrace();
     }
     try {
      city = i_Loc.getString("city");
      System.out.println("city name :" + city);
     } catch (Exception e) {

      e.printStackTrace();
     }
     try {
      state = i_Loc.getString("state");
      System.out.println("state :" + state);
     } catch (Exception e) {

      e.printStackTrace();
     }
     try {
      country = i_Loc.getString("country");
      System.out.println("country :" + country);
     } catch (Exception e) {

      e.printStackTrace();
     }
     try {
      id = i_Loc.getString("id");
      System.out.println("id :" + id);
     } catch (Exception e) {

      e.printStackTrace();
     }

     try {
      street = i_Loc.getString("street");
      System.out.println("street :" + street);
     } catch (Exception e) {

      e.printStackTrace();
     }
     try {
      zip = i_Loc.getString("zip");
      System.out.println("zip :" + zip);
     } catch (Exception e) {

      e.printStackTrace();
     }
    }
   } catch (Exception e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
   return null;
  }

  @Override
  protected void onPostExecute(Void result) {
   super.onPostExecute(result);

  }

  class CompareDate implements Comparator<DateBean> {

   @Override
   public int compare(DateBean d1, DateBean d2) {

    return d1.getDate().compareTo(d2.getDate());
   }

  }

 }

}