import { Component , ViewChild } from '@angular/core' ; import { Content , IonicPage , ScrollEvent } from '../../../../../../' ; @ IonicPage ( ) @ Component ( { templateUrl : 'page-one.html' } ) export class PageOne { @ ViewChild ( Content ) content : Content ; page1 = 'PageTwo' ; showToolbar : boolean = false ; onScroll ( ev ) { console . log ( `scroll move: scrollTop: ${ ev . scrollTop }, directionY: ${ ev . directionY }, velocityY: ${ ev . velocityY }` ) ; } toggleToolbar ( ) { this . showToolbar = ! this . showToolbar ; this . content . resize ( ) ; } }