var app = angular.module("app", [ 'angular-ui-loader', ]); app.controller('demoController', function($scope, $loader) { $scope.$loader = $loader; $scope.$on('$loaderStart', (e, id) => console.log('$loaderStart', id)); $scope.$on('$loaderStop', (e, id) => console.log('$loaderStop', id)); $scope.$on('$loaderStopAll', e => console.log('$loaderStopAll')); $scope.$on('$loaderUpdateState', (e, state) => console.log('$loaderUpdateState', state)); });