Google Analytics in Angular.js

controller.js

angular.module('App')
.controller('MyController', function ($scope, $location, $window, $rootScope) {

    $rootScope.$on('$routeChangeSuccess', function(e) {
        $window.ga('send', 'pageview', { page: $location.path() });
    });
    
    $scope.gaEvent = function() {
        $window.ga('send', {
          'hitType': 'event',
          'eventCategory': 'button',
          'eventAction': 'click',
          'eventLabel': 'Navbar',
          'eventValue': 'About'
        });
    }
});