title: How to implement onShowCustomView method?
body: <p>I want to play a video on a webview. For that I've found <a href="https://stackoverflow.com/questions/3815090/webview-and-html5-video">this link </a> but I can't understand how to implement the <code>onShowCustomView</code> method of the <code>WebChromeClient</code>.</p>
  
  <p>I am using Android SDK 1.6. Is there an issue regarding this?</p>