ionic-framework/demos/component-docs/index.ts

import {App, IonicApp, Platform, ActionSheet} from 'ionic/ionic';
import {Page, Config, Events} from 'ionic/ionic';
import {PageOne, PageTwo, PageThree} from './menus/menus';
import {ActionSheetPage} from './actionSheet/actionSheet';
import * as helpers from './helpers';


@App({
  templateUrl: 'app.html',
})
class DemoApp {

  rootPage: any;
  androidAttribute: any;

  constructor(app: IonicApp, platform: Platform) {
    this.app = app;
    this.platform = platform;
    this.androidAttribute = helpers.AndroidAttribute;

    this.pages = [
      { title: 'Home', component: PageOne },
      { title: 'Friends', component: PageTwo },
      { title: 'Events', component: PageThree }
    ];

    this.platform.ready().then( () => {
      window.addEventListener('message', (e) => {
        zone.run(() => {
          if (e.data) {
            var data = JSON.parse(e.data);
            if (data.hash) {
              this.nextPage = helpers.getPageFor(data.hash.replace('#', ''));
            } else {
              this.nextPage = ActionSheetPage;
            }
            let nav = this.app.getComponent('nav');
            helpers.debounce(nav.setRoot(this.nextPage), 500, true);
          }
        });
      });
      window.parent.postMessage(this.platform.is('ios')? "ios":"android", "*");
    });

  }

  openPage(page) {
    // close the menu when clicking a link from the menu
    this.app.getComponent('leftMenu').close();

    // Reset the content nav to have just this page
    // we wouldn't want the back button to show in this scenario
    let nav = this.app.getComponent('nav');
    nav.setRoot(page.component);
  }

}