import { Component, Input, NgZone, OnInit } from '@angular/core'; import { ModalController } from '@ionic/angular'; @Component({ selector: 'app-modal-example', templateUrl: './modal-example.component.html', }) export class ModalExampleComponent implements OnInit { @Input() value: string; onInit = 0; willEnter = 0; didEnter = 0; willLeave = 0; didLeave = 0; constructor( private modalCtrl: ModalController ) {} ngOnInit() { NgZone.assertInAngularZone(); this.onInit++; } ionViewWillEnter() { NgZone.assertInAngularZone(); this.willEnter++; } ionViewDidEnter() { NgZone.assertInAngularZone(); this.didEnter++; } ionViewWillLeave() { NgZone.assertInAngularZone(); this.willLeave++; } ionViewDidLeave() { NgZone.assertInAngularZone(); this.didLeave++; } closeModal() { this.modalCtrl.dismiss(); } }