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POParsing check-in XML from google places api
 

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  1. POParsing check-in XML from google places api
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    <p>I am trying to fetch checkin locations from Google places API but I am getting error for XML FileNotFoundException when I try to read it through url.openStream(). My key is correct because I tried using it in some other URL in browser. If someone has used this feature then please let me know how to do this. Here is my code:</p> <pre><code> public String checkingMessage() { String strURL = "https://maps.googleapis.com/maps/api/place/check-in/xml?sensor=true&amp;key=" + GOOGLE_API_KEY; URL url; try { url = new URL(strURL.replace(" ", "%20")); // Standard of reading a XML file DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setNamespaceAware(true); DocumentBuilder builder; Document doc = null; XPathExpression expr = null; builder = factory.newDocumentBuilder(); doc = builder.parse(new InputSource(url.openStream())); // Create a XPathFactory XPathFactory xFactory = XPathFactory.newInstance(); // Create a XPath object XPath xpath = xFactory.newXPath(); // Compile the XPath expression expr = xpath.compile("//reference/text()"); // Run the query and get a nodeset Object result = expr.evaluate(doc, XPathConstants.NODESET); NodeList nodes = (NodeList) result; String answer = nodes.item(0).getNodeValue(); Toast.makeText(getApplicationContext(), answer, Toast.LENGTH_LONG); }catch(Exception ex){ ex.printStackTrace(); } return null; } </code></pre> <p>If I use direct url in browser, I get following error:</p> <pre><code>400: Your client has issued a malformed or illegal request. That’s all we know. </code></pre> <p>I dont know json parsing, so I am using XML. Output I believe should be like this, hence I am trying to fetch value of reference:</p> <pre><code> &lt;CheckInRequest&gt; &lt;reference&gt;place_reference&lt;/reference&gt; &lt;/CheckInRequest&gt; </code></pre> <p>Update : I tried using HttpResponse and get response into Entity as follows</p> <pre><code>if (httpResponse.getStatusLine().getStatusCode() == 200){ strResult = EntityUtils.toString(httpResponse.getEntity()); } </code></pre> <p>But then I get MalFormedException on </p> <pre><code>doc = builder.parse(strResult); // doc is Document type </code></pre> <p>Either ways how can I get xml result into doc</p>
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    1. COI cant see where you are adding the place reference to your check-in request? I think you may have miss interoperated what a check-in is. As per the documentation: https://developers.google.com/maps/documentation/places/#PlaceCheckins A check-in requires a reference from a Place Search request, you can use it to indicate that a user has checked in to that Place. Check-in activity from your application is reflected in the Place search results that are returned - popular establishments are ranked more highly, making it easy for your users to find likely matches.
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      1. USChris Green
 

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