``Changing the value of a class variable in Angular 2 does not result in the

I am facing an issue with a component that contains a variable called myName

export class ConversationComponent implements OnInit {
  private myName: string;

  showNames(name)
  {
    this.myName=name;
  }
}

The value is assigned using the showNames() method, and it should be displayed as follows:

<h4>{{MyName}}</h4>

However, I noticed that when the value of the variable is changed, it is not reflected in the HTML view.

Below is an excerpt from my Service:

import { Injectable } from '@angular/core'; 
import { ConversationComponent } from './conversation/conversation.component'; 

@Injectable() export class ChatingService { 

  constructor(private Conversation:ConversationComponent) { } 

  setValue(val) { 
    this.Conversation.showNames(this.myValue); 
  } 
}

Answer №1

Attempting to inject a component into a service has proven ineffective. It appears that a different method is required in this scenario. It is possible that the component instance being injected is not directly associated with the component displayed on the page.

Answer №2

Give this a try:

@Component(...)
export class ChatComponent implements OnInit {
  private userName: string;

  constructor(private apiService: ApiService) {}

  ngOnInit() {
    this.displayUserName(this.apiService.getUsername());
  }

  displayUserName(name) {
    this.userName = name;
  }
}

In the code above, ApiService is the injectable service being used.

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