<page xmlns="http://schemas.nativescript.org/tns.xsd"
      xmlns:PullRefresh="nativescript-pulltorefresh"
      loaded="pageLoaded">
    <stack-layout>   
        <PullRefresh:PullToRefresh refresh="refreshList">
            <list-view items="{{ users }}">
                <list-view.itemTemplate>
                    <label text="{{ name }}" row="0" col="1" textWrap="true" class="message" />                            
                </list-view.itemTemplate>
            </list-view>
        </PullRefresh:PullToRefresh>        
    </stack-layout>
</page>

function refreshList(args) {
 
    // Get reference to the PullToRefresh;
    var pullRefresh = args.object;
 
    // Do work here... and when done call set refreshing property to false to stop the refreshing
    loadItems().then(function (resp) {
        // ONLY USING A TIMEOUT TO SIMULATE/SHOW OFF THE REFRESHING
        setTimeout(function () {
            pullRefresh.refreshing = false;
        }, 1000);
    }, function (err) {
        pullRefresh.refreshing = false;
    });
}
exports.refreshList = refreshList;

import { registerElement } from "nativescript-angular/element-registry";
registerElement("PullToRefresh", () => require("nativescript-pulltorefresh").PullToRefresh);
 
refreshList(args) {
         var pullRefresh = args.object;
         setTimeout(function () {
            pullRefresh.refreshing = false;
         }, 1000);
    }

<PullToRefresh (refresh)="refreshList($event)">
    <ListView [items]="itemList" >
        <template let-item="item">
            <Label [text]="item.id"></Label>
        </template>
    </ListView>
</PullToRefresh>