sidemenu refresh through events
create service ionic g service service name import {Injectable} from '@angular/core'; import {Subject} from 'rxjs'; @Injectable({ providedIn: 'root' }) export class GlobalFooService { private fooSubject = new Subject<any>(); publishSomeData(data: any) { this.fooSubject.next(data); } getObservable(): Subject<any> { return this.fooSubject; } } Now, you can subscribe in any component like app.component.ts: @Component({ selector: 'app-root', templateUrl: 'app.component.html', styleUrls: ['app.component.scss'] }) export class AppComponent { constructor(private globalFooService: GlobalFooService) { this.initializeApp(); } initializeApp() { // other code this.globalFooService.get...