The scrolling speed of Ionic Load More feature is a bit sluggish

Hey there! I'm a newcomer to Ionic and AngularJS. In my current project with Ionic v1, the load more scrolling feature is extremely sluggish. I've attempted two different methods:

  1. Using a Service

  2. Using a Factory

    Both approaches are proving to be quite slow. Any advice on how to speed up the load more option?

Here are the values I am receiving from the REST API service:

{
    "shared_status": "false",
    "wall_post_id": "740",
    "post_post": "getU.online",
    "post_added_by": "589",
    "post_company_name": "The Business Club",
    "post_business_sector": null,
    "post_busin_type": "Limited Company",
    "post_added_by_image": "1471523735.png",
    "post_added_by_name": "Russ Wheeler",
    "post_added_on": "14 hours ago",
    "post_date": "2017-01-31 18:48:36",
    "post_mine": true,
    "image_list": [{
        "file_name": "http:\/\/www.domain.com\/uploads\/wall_posts\/tmp\/\/1485888514.jpg"
    }],
    "like_status": "activated",
    "like_test": false,
    "like_test_1": "Unlike",
    "like": "Like",
    "num_like": "1",
    "no_of_reply": 1,
    "comment": "comment"
}
angularjscordovaionic-frameworkhybrid-mobile-app

Answer №1

To maximize mobile performance, it is recommended to utilize Ionic directives whenever possible. Non-Ionic directives may impact performance, so it's best to avoid them.

If you have been using a custom or plugin-based solution, consider replacing it with <ion-infinite-scroll>

Here is an example: 

<ion-infinite-scroll
  ng-if="moreDataCanBeLoaded()"
  icon="ion-loading-c"
  on-infinite="loadMoreData()">
</ion-infinite-scroll>

For more information, visit: https://ionicframework.com/docs/api/directive/ionInfiniteScroll/

Answer №2

To boost the performance of your ionic app, start by checking the latency of your API calls. If they are running smoothly, consider implementing the following strategies:

  • Integrate the crosswalk plugin to improve performance (note: this may increase your .apk file size)
  • Opt for one-time data-binding (::) in your list items whenever possible
  • Utilize 'track by' in your ng-repeat list item (eg. ng-repeat="item in items track by item.id" or ng-repeat="item in items track by $index")
  • In production, remember to remove any unnecessary console.log statements from your code

For more tips on enhancing AngularJS and Ionic app performance, check out this helpful resource

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