title: How to create a progress dialog without title and message?
body: <p>How to create a progress dialog without title and message?
  I used this code:</p>
  
  <pre><code>ProgressDialog.show(MyActivity.this, "", "", true);
  </code></pre>
  
  <p>But the progress spin was not centered well in the progress dialog view.</p>
  
  <p>Thanks.</p>