import { EventData, Observable } from '@nativescript/core/data/observable'; import { Page } from '@nativescript/core/ui/page'; export function navigatingTo(args: EventData) { let page = args.object; page.bindingContext = new ImagesTemplateViewModel(); } export class ImagesTemplateViewModel extends Observable { public items: Array = ['res://icon', null, '~/resources/images/no-image.png', null, '~/resources/images/no-image.png', null, 'res://icon', null]; constructor() { super(); } }