title: Open downloaded files using default option in windows mobile app phonegap?
body: <p>I am creating an windows8.1 mobile app in which i have a file download option. 
  I am able to download file in my application. Know what i want after file download is complete it should show option to open file or directly open the file.
  here is code i am trying :</p>
  
  <pre><code>function downloadFile(){
  
  var folderPath = 'batMedia/'+downloadArr[0].filename;
  var fileURL = rootObj.toURL()+folderPath;
      var fileTransfer = new FileTransfer();
      var uri = encodeURI(downloadArr[0].path);
      console.log("downloading file is called");
      fileTransfer.download(
              uri,
              fileURL,
              function(entry) {
  
                 var storagePath = entry.fullPath;
                core.displayAlert("successfully download");
                console.log("&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;"+storagePath)
                 insertNewsMedia(folderPath);
              },
              function(error) {
  
                    var msg = '';
  
                    switch (error.code) {
                      case 1:
                        msg = 'FILE_NOT_FOUND_ERR';
  
                        break;
                      case 2:
                        msg = 'INVALID_URL_ERR';
  
                        break;
                      case 3:
                        msg = 'CONNECTION_ERR';
                        break;
                      case 4:
                        msg = 'ABORT_ERR';
  
                        break;
                      case 5:
                        msg = 'NOT_MODIFIED_ERR';
  
                        break;
                      default:
                        msg = 'Unknown Error';
  
                        break;
                    }
  
                    console.log(msg)
              }
  
      );}
  </code></pre>
  
  <p>Above is the code to download file. O tried to search but didnt found any example to open a file with default option in windows app.
  cordova version is 3.8.1.</p>
  
  <p>Any ideal is appreciated.</p>
  
  <p>Thanks in advance.</p>