HOSN-app/app/src/pages/home/home.ts

import { Component } from '@angular/core';
import { NavController, MenuController } from 'ionic-angular';
import { TwitterApiProvider } from '../../providers/twitter-api/twitter-api';

@Component({
  selector: 'page-home',
  templateUrl: 'home.html'
})
export class HomePage {
  menuController: MenuController;

  constructor(
    public navCtrl: NavController,
    private twitter: TwitterApiProvider,
    private menuCtrl: MenuController) {
  }

  ionViewDidLoad() {
    this.menuCtrl.enable(true, 'sideNav');
  }

  clickmich() {
    // this.twitter.fetchHomeFeed().subscribe(data => console.log(data));
    this.twitter.fetchHomeFeed()
      .then(res => {
        console.log(res);
      });
  }
}