Implementing Pulldown Refresh Functionality in Ionic 2

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Ionic 2 comes with a ion-refresher component that makes it easy to implement a pulldown to refresh functionality in your apps:

In your template, add the following right after the opening <ion-content> tag:

<ion-refresher (ionRefresh)="doRefresh($event)">

That alone is enough to take care of the UI for the refresher.

Now here’s an example of how you’d implement the doRefresh() method in your component class, calling the complete() method on the refresher once the refreshed content has been retrieved:

doRefresh(refresher) {
  this.someService.getPosts().subscribe(res => {
    this.posts = res;

In this case, someService would be a service that’s been injected in the component.

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