AngularJS Setup load view/images poup when service call in progress

load-view-poupu.js

var app = angular.module('myApp', 
  ['myApp.services', 'myApp.controllers']);

app.run(['$rootScope', function($root) {
  $root.$on('$routeChangeStart', function(e, curr, prev) { 
    if (curr.$$route && curr.$$route.resolve) {
      // Show a loading message until promises aren't resolved
      $root.loadingView = true;
    }
  });
  $root.$on('$routeChangeSuccess', function(e, curr, prev) { 
    // Hide loading message
    $root.loadingView = false;
  });
}]);