İonic-v5 Events in @ionic/angular Alternative

Ionic Framework Ionic Angular
1

Which method can I use instead of the event used in ionic-v3 ?

// send
image

//receive
image

2

Look at observables here.

They are a better and more generic want of creating a pub/sub system.

1 Like
3

Using an event provider has solved for me. Here’s an example.

…
import { Injectable } from ‘@angular/core’;
import { Subject } from ‘rxjs’;

@Injectable()
export class EventsProvider {

private dataCompanySubject = new Subject();

publishDataCompany(data: any) {
this.dataCompanySubject.next(data);
}

observeDataCompany(): Subject {
return this.dataCompanySubject;
}
}

And use like this
…

this.eventsProvider.publishDataCompany(true);

and

this.eventsProvider.observeDataCompany().subscribe((data: any) => {…

1 Like
5

I want to receive data sent on page 1 on page 2. And the data format is (key, value). How can I do it?

6

Follow @daniel_rf121 recommendation. Read more here https://medium.com/wizpanda/dealing-with-breaking-change-in-ionic-5-db3ba711dfcd

And also read on about observables…

That should get you started.

7

As I explained above, you can pass objects, and all pages that are listening to this observable, will receive this value.