Titanium upload test

titanium_upload_test.js

var win = Ti.UI.createWindow();
  var progress = Ti.UI.createProgressBar({
      width:200,
      min:0,
      max:1,
      value:0,  
      tintColor : "red"
  });
  win.add(progress);

  var timestamp = Date.now();
  var b = win.toImage();
  var file = Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory+"test");
  file.write(b)

  win.addEventListener('open', function() {
      var xhr = Ti.Network.createHTTPClient({
          onload: function() {
              var time_passed =  Math.floor((Date.now()-timestamp)/1000);
              Ti.API.info(time_passed + ' SUCCESS');
              win.close()
          },
          onsendstream: function(e) {
              var time_passed =  Math.floor((Date.now()-timestamp)/1000);
              Ti.API.info(time_passed + ' PROGRESS ' + e.progress);
              progress.setValue(e.progress);
          }
      });
      xhr.open('POST', 'https://httpbin.org/post');
      xhr.send({data: file})
  });
  win.open();