What are the steps for implementing the Ionic 2 Pulling Refresher feature in my application?

Hey everyone, I'm currently working on developing a mobile app using AngularJS 2/Ionic2. I am facing an issue with implementing a pull-to-refresh feature in my app. We followed the steps outlined in this link, and while we were able to get the page to refresh, the dismissLoader function was not triggered as expected. Here are some images showing the refreshing process in my app: https://i.stack.imgur.com/othmY.png

  • We are unsure where we made the mistake or where we need to add the correct functionality in our project...

  • When we pull the page, it refreshes but does not dismiss the Refreshing text and icon...

  • We expect that once we have pulled the page and it has refreshed, the refreshing text and icon should be dismissed...

**We only added code in HTML:-****

<ion-refresher (ionRefresh)="setFilteredItems($event)">
    <ion-refresher-content refreshingSpinner="circles" refreshingText="Refreshing...">

    </ion-refresher-content>
</ion-refresher>
  • We have not made any changes in the TypeScript part... please review and update the solution accordingly...

  • We have created an example on Plunker

  • Please update the Plunker as well to help us find the solution, thank you.....

My TypeScript constructor code:-

import { Component } from '@angular/core';
// other imports...

@Component({
  templateUrl: 'activity-list.html',
})
export class ActivityListPage {
  // class implementation...
}

https://i.stack.imgur.com/qjzuI.png

Answer №1

Make sure to use refresher.complete() to close the refresher once your new data has finished loading.

setFilteredItems(refresher?:any){
   //async call to load.
   // in the then function
   if(refresher)
      refresher.complete();
   }
}

The refresher object is passed from the html using onRefresh. Using ? allows you to make the call without passing an object in your code.

this.setFilteredItems();

It's also important to refactor your code. It's best practice to call complete after the asynchronous task is completed, returning another function to the html side and calling complete afterwards will result in dead code.

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