import { Label } from '@nativescript/core' ; let toggle = false ; export function animateHeight ( args ) { const clicked = args . object as Label ; clicked . animate ( { height : toggle ? 128 : '100%' , duration : 200 , curve : 'easeInOut' , } ) . then ( ( ) => { clicked . text = toggle ? 'Cool.' : 'Tap here' ; } ) ; toggle = ! toggle ; }