title: back and forward button for webview in android. how?
body: <p>I'm working on a <code>webview</code>. If I click anything in my <code>webview</code>, it redirects to another link by using <code>webviewclient</code> class.</p>
  
  <p>Now I put a footer contains <code>back</code> and <code>forward</code> button,  to do the functionality which in ordinary browser.</p>
  
  <p>I can work about to <code>back</code> and <code>forward</code> of <code>webview</code>. It works fine.</p>
  
  <p>Now I want to set a buttons in the footer are initially should be not focused and it should work clickable and not clickable dynamically.</p>