title: Progressbar dose not show every time WebView goes to a link
body: <p>i have a webview in my android application and a progress bar to show activity. But ProgressBar only show first time when app loads a url after that if i tap on a link within webview progressbar doesnt show up! here is my code.</p>
  
  <p>inside OnCreateView</p>
  
  <pre><code>dialog = (ProgressBar) v.findViewById(R.id.progressBar1);
          dialog.setVisibility(View.VISIBLE);
  </code></pre>
  
  <p>and </p>
  
  <pre><code>private class MyWebClient extends WebViewClient {
              public void onPageFinished(WebView view, String url) {
                  dialog.setVisibility(View.INVISIBLE);
            }    
  }
  </code></pre>