title: android webview setdefaultfontsize(int size), what is the size unit?
body: <p>android webview </p>
  
  <pre><code>webview.setdefaultfontsize(int size);
  </code></pre>
  
  <p>what is the size unit?</p>
  
  <pre><code>webview.getSettings().setDefaultFontSize(20);
  </code></pre>
  
  <p>Is it <code>20pt</code> or <code>20dp</code> or other uinit?</p>