angular 2.0 equivalent to $scope.$apply

Question

I am trying to get started with angular 2.0, now I was wondering how I can initiate an update to the view after some external event changed data.

In details I have a

Answer 1

Try to import ChangeDetectorRef from angular core as follow

import {Component, ChangeDetectorRef} from '@angular/core';

in constructor

constructor(private chRef: ChangeDetectorRef){
  chRef.detectChanges(); //Whenever you need to force update view
}