private static OkHttpClient getUnsafeOkHttpClient()
{
  try
  {
    // Create a trust manager that does not validate certificate chains
    final TrustManager[] trustAllCerts = new TrustManager[]
    {
        new X509TrustManager()
        {
          @Override
          public void checkClientTrusted(
            java.security.cert.X509Certificate[] chain,
            String authType
          ) throws CertificateException
          {
          }

          @Override
          public void checkServerTrusted(
            java.security.cert.X509Certificate[] chain,
            String authType
          ) throws CertificateException
          {
          }

          @Override
          public java.security.cert.X509Certificate[] getAcceptedIssuers()
          {
            return null;
          }
        }
    };

    // Install the all-trusting trust manager
    final SSLContext sslContext = SSLContext.getInstance("SSL");
    sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
    // Create an ssl socket factory with our all-trusting manager
    final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();

    OkHttpClient okHttpClient = new OkHttpClient();
    okHttpClient.setSslSocketFactory(sslSocketFactory);
    okHttpClient.setHostnameVerifier(new HostnameVerifier()
    {
      @Override
      public boolean verify(String hostname, SSLSession session)
      {
        return true;
      }
    });

    return okHttpClient;
  }
  catch (Exception e)
  {
    throw new RuntimeException(e);
  }
}