angular 4: call a method from a different component

Question

I have 2 sibling components, I am doing an http request in one component, and if a particular condition happens, it should make another http request, written in another comp

Answer 1

Create a instance of SendCardComponent in the InputFieldComponent

import { Http } from '@angular/http';
import { SendCardComponent } from '../send-card/send-card.component';

export class InputFieldComponent{

    //your other variables and methods

    constructor(private http : Http) { }

    let saro = new SendCardComponent(this.http);

    saro.sendCard()

}