import {Component, View as NgView, bootstrap} from 'angular2/angular2'; import {View, Content, Icon, RadioGroup, RadioButton} from 'ionic/components'; @Component({ selector: '[ion-app]' }) @NgView({ templateUrl: 'main.html', directives: [View, Content, RadioGroup, RadioButton] }) class IonicApp { constructor() { console.log('IonicApp Start') } } bootstrap(IonicApp)