title: How get content Height in webview
body: <p>I want to get content height of webView and I used <code>webView.getHeight()</code> but it is return height of webview not content height.<br/>
  This is my code :</p>
  
  <pre><code>webView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
              @Override
              public void onGlobalLayout() {
  
                  Log.i("pageHeight", webView.getContentHeight()+"");
                  webView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
  
              }
          });
  </code></pre>
  
  <p>Anyone can help me?</p>