title: How to move one page to another page in ionic 2?
body: <p>I am trying to navigate from one page to another using <code>ionic 2</code>. </p>
  
  <p>I am learning from 
  <a href="https://ionicframework.com/docs/v2/api/navigation/NavController/" rel="nofollow noreferrer">https://ionicframework.com/docs/v2/api/navigation/NavController/</a></p>
  
  <pre><code>export class ApiDemoPage {
    constructor(public navCtrl: NavController){
      alert('contr');
    }
    clickMe(){
      alert('---')
    }
  }
  
  
  @Component({
    template: '&lt;ion-nav [root]="root"&gt;&lt;/ion-nav&gt;'
  })
  export class ApiDemoApp {
    root = ApiDemoPage;
  }
  
  @Component({
    template: '&lt;p&gt;hello&lt;/p&gt;'
  })
  export class secondPage {
  }
  </code></pre>
  
  <p>Here is my code</p>
  
  <p><a href="https://plnkr.co/edit/5eDjTOtNu46liZHiuHdG?p=preview" rel="nofollow noreferrer">https://plnkr.co/edit/5eDjTOtNu46liZHiuHdG?p=preview</a></p>
  
  <p>Getting this error
  <strong>(SystemJS) Error: Can't resolve all parameters for ApiDemoPage: (?).(…)</strong></p>