import { Component } from '@angular/core'; import { ionicBootstrap, MenuController } from 'ionic-angular'; @Component({ templateUrl: 'main.html' }) class ApiDemoPage { activeMenu: string; constructor(public menu: MenuController) { this.menu1Active(); } menu1Active() { this.activeMenu = 'menu1'; this.menu.enable(true, 'menu1'); this.menu.enable(false, 'menu2'); } menu2Active() { this.activeMenu = 'menu2'; this.menu.enable(false, 'menu1'); this.menu.enable(true, 'menu2'); } } @Component({ templateUrl: 'app.html' }) class ApiDemoApp { root = ApiDemoPage; } ionicBootstrap(ApiDemoApp);