如何在nativesript radlistview中使用scrollToIndex

import { Component, ViewChild, ElementRef } from "@angular/core";
import { RadListView } from "nativescript-ui-listview";

@Component({
  selector: "my-app",
  template: `
    <RadListView #myListView [items]="items">
      <ng-template tkListItemTemplate let-item="item">
        <StackLayout>
          <Label [text]="item"></Label>
        </StackLayout>
      </ng-template>
    </RadListView>
  `
})
export class AppComponent {
  @ViewChild("myListView", { static: false }) listView: ElementRef<RadListView>;

  items: string[] = ["Item 1", "Item 2", "Item 3", "Item 4", "Item 5"];

  scrollToIndex(index: number) {
    this.listView.nativeElement.scrollToIndex(index);
  }
}