Built-in menu is not opening with the 'drag'

I'm testing some components of Ionic 2. I've installed via usb an application with a simple menu, which has some items. When I try to open the 'dragging' side menu, it does not work, just by clicking on the menu button. My device is Zenfone 5 with android 4.4.2.     

  <ion-header>
    <ion-toolbar>
      <ion-title>Menu</ion-title>
    </ion-toolbar>
  </ion-header>

  <ion-content>
    <ion-list>
      <button ion-item *ngFor="let page of pages" (click)="openPage(page)">
        {{ page.title }}
      </button>
    </ion-list>
  </ion-content>

</ion-menu>

<ion-nav #content [root]="rootPage"></ion-nav>

I have also downloaded a project tutorial of ionic 2 available for those starting out, but it did not work either.