import { Injectable, OnInit } from '@angular/core'; import { Observable } from 'rxjs'; import { TokenService, TokenProvider } from '../login/token.service' import { HttpClient , HttpHeaders, HttpParams} from '@angular/common/http'; import {RestBase} from '../rest-base'; @Injectable() export class NativeLoginService implements OnInit { constructor(private restBase: RestBase) { } ngOnInit(){ } login(username, password){ var credentials = {"username": username, "password":password}; return this.restBase.login("nativeLogin", credentials); } }