Ui.service.ts
@Injectable()
export class UiService {
private brotherMessage = new Subject<string>();
public brotherMessage$ = this.brotherMessage.asObservable();
private sisterMessage = new Subject<string>();
public sisterMessage$ = this.sisterMessage.asObservable();
constructor() {}
brotherSpeak(message: string): void {
this.brotherMessage.next(message);
}
sisterSpeak(message: string): void {
this.sisterMessage.next(message);
}
}