private viewCtrl: ViewController,
private events: Events,
private httpService...: HttpService,
private storageService: StorageService,
private nativeService...params = {
username: value.username,
password: value.password,
};
this.httpService.login...private viewCtrl: ViewController,
private events: Events,
private httpService...: HttpService,
private storageService: StorageService,
private nativeService