import { EventData } from '@nativescript/core/data/observable' ; import { Observable } from '@nativescript/core/data/observable' ; import { Page } from '@nativescript/core/ui/page' ; export function pageLoaded ( args ) { const page = < Page > args . object ; page . bindingContext = new Observable ( ) ; page . bindingContext . set ( 'currentDate' , new Date ( ) ) ; }