code: public static Button createUrlButton(String title, String url,
  			WebViewHeightRatioType ratioType) {
  		return new WebUrlButton(title, url, ratioType);
  	}
docs: Creates a web view button.
  
  @param title
  the button label.
  @param url
  the URL to whom redirect when clicked.
  @param ratioType
  the web view ratio type.
  @return the button