starter-angular-material/app/controllers/toolbar.controller.js

/**
 * Created by robin on 11/1/15.
 */

angular.module('app')
    .controller('ToolBarController', ['$scope', '$rootScope', '$mdSidenav',
        function ($scope, $rootScope, $mdSidenav) {

            $scope.title = "Toolbar";

            $scope.toggleSideBar = function () {
                $mdSidenav('left').toggle();
            };

            $rootScope.$on('toolbar.title', function (event, params) {
                $scope.title = params.title;
            });
        }]);