Update Parent Tabs on child page exit

[Tommertom]

This is the classic solution, BehaviorSubject Observables etc…

Ionic 4 Tab to page then back to Tab did not trigger ionViewWillEnter [Solved]

Not that anybody need care about my opinion, but for what it’s worth, I think lifecycle events should not be (ab)used to solve the general problem of “displaying stale data”. What people tend to do: interface Profile { name: string; // ... } class ProfileService { profile: Profile; } class ProfileDisplayPage { profile: Profile; constructor(private profiler: ProfileService) {} ngOnInit(): void { this.profile = this.profiler.profile; } } class ProfileEditPage { profile: Profile; co…

Check also Angular Service architecture in the Tour of Heroes @ angular.io

If that is new for you too.