import * as observable from '@nativescript/core/data/observable'; import * as view from '@nativescript/core/ui/core/view'; import * as label from '@nativescript/core/ui/label'; var count = 0; export function buttonTap2(args: observable.EventData) { count++; var parent = (args.object).parent; if (parent) { var lbl = parent.getViewById('Label1'); if (lbl) { lbl.text = 'You clicked ' + count + ' times!'; } } }