title: Attempt to invoke virtual method 'java.lang.String org.jsoup.nodes.Element.ownText()' on a null object reference
body: <p>I am using below code to get <strong>versionName</strong> from <strong>playstore</strong> by using jsoup I am fetching details but its throwing some exception.</p>
  
  <p>My code is </p>
  
  <pre><code>public class ForceUpdateAsync extends AsyncTask&lt;String, String, JSONObject&gt;{
  
  private String latestVersion;
  private String currentVersion;
  private Context context;
  public ForceUpdateAsync(String currentVersion, Context context){
      this.currentVersion = currentVersion;
      this.context = context;
  }
  
  @Override
  protected JSONObject doInBackground(String... params) {
  
      try {
           latestVersion = Jsoup.connect("https://play.google.com/store/apps/details?id="+context.getPackageName()+"&amp;hl=en")
                  .timeout(30000)
                  .userAgent("Mozilla/5.0 (Windows; U; WindowsNT 5.1; en-US; rv1.8.1.6) Gecko/20070725 Firefox/2.0.0.6")
                  .referrer("http://www.google.com")
                  .get()
                  .select("div[itemprop=softwareVersion]")
                  .first()
                   .ownText();
  
      } catch (IOException e) {
          e.printStackTrace();
      }
      return new JSONObject();
  }
  
  @Override
  protected void onPostExecute(JSONObject jsonObject) {
      if(latestVersion!=null){
          if(!currentVersion.equalsIgnoreCase(latestVersion)){
             // Toast.makeText(context,"update is available.",Toast.LENGTH_LONG).show();
              if(!(context instanceof SplashActivity)) {
                  if(!((Activity)context).isFinishing()){
                      showForceUpdateDialog();
                  }
              }
          }
      }
      super.onPostExecute(jsonObject);
  }
  
  public void showForceUpdateDialog(){
      AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(new ContextThemeWrapper(context,
              R.style.DialogDark));
  
      alertDialogBuilder.setTitle(context.getString(R.string.youAreNotUpdatedTitle));
      alertDialogBuilder.setMessage(context.getString(R.string.youAreNotUpdatedMessage) + " " + latestVersion + context.getString(R.string.youAreNotUpdatedMessage1));
      alertDialogBuilder.setCancelable(false);
      alertDialogBuilder.setPositiveButton(R.string.update, new DialogInterface.OnClickListener() {
          public void onClick(DialogInterface dialog, int id) {
              context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=" + context.getPackageName())));
              dialog.cancel();
          }
      });
      alertDialogBuilder.show();
  }
  }
  </code></pre>
  
  <p>but  I am getting null pointer exception error </p>
  
  <blockquote>
    <p>FATAL EXCEPTION: AsyncTask #1
                                                       Process: com.yabeee.yabeee, PID: 15893
                                                       java.lang.RuntimeException: An error occured while executing
    doInBackground()
                                                           at android.os.AsyncTask$3.done(AsyncTask.java:304)
                                                           at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
                                                           at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
                                                           at java.util.concurrent.FutureTask.run(FutureTask.java:242)
                                                           at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
                                                           at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
                                                           at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
                                                           at java.lang.Thread.run(Thread.java:818)
                                                        Caused by: java.lang.NullPointerException: Attempt to invoke virtual method
    'java.lang.String org.jsoup.nodes.Element.ownText()' on a null object
    reference
                                                           at com.yabeee.yabeee.ModelClasses.ForceUpdateAsync.doInBackground(ForceUpdateAsync.java:53)
                                                           at com.yabeee.yabeee.ModelClasses.ForceUpdateAsync.doInBackground(ForceUpdateAsync.java:28)
                                                           at android.os.AsyncTask$2.call(AsyncTask.java:292)
                                                           at java.util.concurrent.FutureTask.run(FutureTask.java:237)
                                                           at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231) 
                                                           at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) 
                                                           at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) 
                                                           at java.lang.Thread.run(Thread.java:818)</p>
  </blockquote>
  
  <p>Please some one help me to fix this issue.</p>