title: Google Play Security Alert - Your app is using an unsafe implementation of the HostnameVerifier
body: <p>Recently one of my app got a security alert from Google Play as below.</p>
  
  <p>You app is using an unsafe implementation of the <a href="https://developer.android.com/reference/javax/net/ssl/HostnameVerifier.html" rel="noreferrer">HostnameVerifier</a>. And refer a link to <a href="https://support.google.com/faqs/answer/7188426" rel="noreferrer">Google Play Help Center</a> article for details regarding to fixing and deadline of vulnerability.  </p>
  
  <p>Below is my code.</p>
  
  <pre><code>HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier(){ 
      public boolean verify(String arg0, SSLSession arg1) {
          return true;
  }}); 
  </code></pre>
  
  <p>Anyone can explain with example about, what changes should I do to fix this warning?</p>