[MOD-2445] ti.barcode iOS : Camera overlay view randomly disappear after a period of time if you leave the scanner open but don't scan a code

   var Barcode = require('ti.barcode');
   Barcode.allowRotation = false;
   Barcode.useLED = false;
   
   var $ = this;
   $.capture = function() {
     var overlay = Ti.UI.createView({
       backgroundColor: 'red',
       opacity: 0.4
     });
    
     Barcode.capture({
       animate: false,
       overlay: overlay,
       showCancel: false,
       showRectangle: false,
       keepOpen: false,
       allowMenu: false,
       allowInstructions: false
     });
   };
    
   $.openScanner = function() {
       $.capture();
   };
    
   $.closeScanner = function() {
     Barcode.cancel();
   };
    
   $.showResult = function(e) {
     console.log(JSON.stringify(e));
   };
    
   Barcode.addEventListener('success', $.showResult);
    
   $.openScanner();