title: ng2-slim-loading-bar not working in angular 2
body: <p>I implement slim loding progress bar in Angular 2 but it is not working.I set it in click button when I click it nothing happen.So please help me.</p>
  
  <p><strong>component.ts</strong></p>
  
  <pre><code>import { Component } from '@angular/core';
  import {SlimLoadingBarService} from 'ng2-slim-loading-bar';
  @Component({
    selector:'customers',
    pipes: [],
    providers: [SlimLoadingBarService],
    styles: [],
    template: `&lt;router-outlet&gt;&lt;/router-outlet&gt;`,
   })
  
    export class Customers{
  
    constructor(private  slimLoader:SlimLoadingBarService){}
  
    gotoDetails():void{
     this.slimLoader.start(() =&gt; {
              console.log('Loading complete');
          });
     }
  
  
  }
  </code></pre>
  
  <p>when i call <strong>gotoDetails()</strong> nothing happened and i do not know what is the problem?</p>