Ionic 3 substituições angulares ou alternativas
ionViewDidLoad replaced by ngOnInit
ionViewWillEnter [not replaced]
ionViewDidEnter [not replaced]
ionViewWillLeave [not replaced]
ionViewDidLeave [not replaced]
ionViewWillUnload replaced by ngOnDestroy
ionViewCanEnter replaced by CanActivate
ionViewCanLeave replaced by CanDeactivate
Cute Caterpillar