title: Remove sign in button in google docs webview in android
body: <p>I am showing PDF files by using google docs in <code>WebView</code> in android.
  How to remove or hide "Sign In" button? I have attached screenshot below. Thanks in advance.</p>
  
  <pre><code>webview = (WebView) findViewById(R.id.webView1);
  webview.getSettings().setJavaScriptEnabled(true);
  webview.loadUrl("https://docs.google.com/viewer?url=http://www.ex.com/terms.pdf");
  webview.setWebViewClient(new WebViewClient() {
  @Override
  public boolean shouldOverrideUrlLoading(WebView view, String url) {
  view.loadUrl(url);
  return false;
  }
  });
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/nWjz1.png" alt="enter image description here"></p>