ionic framework - Angular 2: No provider for ConnectionBackend! How to solve? -

i following tutorial here https://tableless.com.br/criando-uma-aplicacao-movel-com-ionic-2-e-angular-2-em-dez-passos/ things dind't go expectend , got stuck in "no provider for..." error. (the tutorial in portuguese, think you'll looking @ code examples.)

the code this:

import { component } '@angular/core'; import { navcontroller } 'ionic-angular'; import { http } '@angular/http'; import 'rxjs/add/operator/map';  @component({   selector: 'page-home',   templateurl: 'home.html' }) export class homepage {   public feeds: array<string>;   private url: string = "https://www.reddit.com/new.json";     constructor(public navctrl: navcontroller, public http: http) {     this.http.get(this.url).map(res => res.json())       .subscribe(data => {         this.feeds = data.data.children;       });    } } 

first, error "http". (think i) solved this:

@component({   selector: 'page-home',   providers: [http],   templateurl: 'home.html' }) 

but error "no provider connectionbackend!", , don't know how solve.

you need add httpmodule imports in app.module.

@ngmodule({   imports: [     httpmodule, <----     browsermodule,     httpmodule,   ],   declarations: [appcomponent],   providers: [],   bootstrap: [appcomponent], }) export class appmodule { }