gistfile1.txt

 private Element findElementByXpath(String expr, String source) throws Exception {
    String xml = JsonXmlUtil.toXml(new JSONObject(source));
    InputSource is = new InputSource(new StringReader(xml));
    XPath xPath = XPathFactory.newInstance().newXPath();


    XPathExpression xpathExpr = xPath.compile(expr);
    return (Element) xpathExpr.evaluate(is, XPathConstants.NODE);
  }

pageSource.json

{
"ref": 2131165195,
"l10n": {
        "matches": 0
},
"displayed": false,
"name": "id/visibleTextView",
"value": "Text is sometimes displayed",
"shown": false,
"label": "null",
"type": "android.widget.TextView",
"rect": {
        "origin": {
                "y": 307,
                "x": 126
        },
        "size": {
                "width": 175,
                "height": 19
        }
}

Test Method

  @Test
  public void testShouldBeAbleToFindHiddenElementAndGetShownState() throws Exception {
    Element textView =
        findElementByXpath("//TextView[@name='id/visibleTextView']", driver.getPageSource());

    Assert.assertEquals(textView.getAttribute("shown"), "false");
  }