Help with ionic app

I need help with an ionic app . I am getting this error..

Runtime Error

Can't resolve all parameters for TaskListPage: ([object Object], ?).


this is the page.

import { Component } from '@angular/core';

import { NavController, ItemSliding , AngularFire} from 'ionic-angular';

import {Task} from './task';

import {AngularFire, FirebaseListObservable} from 'angularfire2';


selector: 'page-tasklist',

templateUrl: '[login to view URL]'


export class TaskListPage {

tasks: FirebaseListObservable <any[]>;

constructor(navCtrl: NavController, public af: AngularFire) {

[login to view URL] = [login to view URL]('/tasks');


addItem() {let theNewTask: string = prompt("New Task");

if (theNewTask !== '')

{ [login to view URL]({ title: theNewTask, status: 'open'});



markAsDone( slidingItem: ItemSliding, task: Task)

{ [login to view URL](task.$key, {status: 'done'});

[login to view URL]();


removeTask(slidingItem: ItemSliding, task: Task)

{ [login to view URL](task.$key);

[login to view URL]();



Taidot: Angular.js, HTML5, Ionic Framework, Javascript, PhoneGap

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Tietoa työnantajasta:
( 3 arvostelua ) jonesboro, United States

Projektin tunnus: #16462239

19 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön


Hi, Dear Employer. I have just read your job description with care. I know the reason of your error. If you contact me, I can fix your error via teamviewer within 1 hr. Please contact me. I am an expert of ionic f Lisää

$25 USD 1 päivässä
(94 arvostelua)

Hi, your issue seems class structure issue, I have highly experience in Ionic, firebase, and can fix it quickly, please send me your project, Will do it my best in time. Thanks.

$25 USD 1 päivässä
(51 arvostelua)

Hello client! I have read your job description with care and understand your need clearly. I can help you easily via teamviewer. Please feel free contact me. Now I am waiting your positive response. thanks. Best Lisää

$25 USD 1 päivässä
(36 arvostelua)
$25 USD 1 päivässä
(38 arvostelua)

Hello I am interested in ur project I have experience of Ionic 3 and I can solve ur trouble I use Ionic 3 and angular js 4 and ever done projects We can discuss more in detail Thank you Best Regards Grisha

$25 USD 1 päivässä
(43 arvostelua)

Hello, This is a simple error. I'll show you how to fix it. I am an expert Ionic developer. I have experience of over 4 years. You can rely on me to develop fast and solve any issue related to Ionic. Here is m Lisää

$20 USD 1 päivässä
(27 arvostelua)

Hello Sir I can fix it Did you use AngularFirebase2? Let's discuss about project via chat in detail Thanks Jin

$25 USD 1 päivässä
(15 arvostelua)

I am working as a individual freelancer, Mobile App Developer I possess over 4 year of experience in Mobile App Development (both Native and Hybrid App) let's discuss about your application and requirement.

$100 USD 1 päivässä
(10 arvostelua)

Hi, I saw the description of your problem and I can help you fix it right away. Looking forward to work with you...

$25 USD 0 päivässä
(17 arvostelua)

Hi, I have 5 + years of experience, i have worked on all version of ionic since inception of ionic, I do very quality work, please consider my profile for good work in less time, please feel free to contact me

$25 USD 1 päivässä
(8 arvostelua)

A proposal has not yet been provided

$40 USD 3 päivässä
(19 arvostelua)

Hello. Good weekend. As a senior ionic developer, I am very interested in this job. I have 7 years experience with hybrid mobile programming and 3 years ionic 2+ mobile app development. I have checked your code an Lisää

$20 USD 1 päivässä
(9 arvostelua)
$25 USD 1 päivässä
(7 arvostelua)

Dear employer. Your requirements are all clear to understand. I have enough experience in this part. But I have some question about your project. So please reply as soon as possible. I promise you will get the high Lisää

$25 USD 1 päivässä
(7 arvostelua)

Hi, I am having strong Cordova, AngularJS, Angular 5, Ionic 3 and JavaScript knowledge and having 4++ years of experience in hybrid mobile application development. Here is the link of my work done under Affle compan Lisää

$25 USD 1 päivässä
(0 arvostelua)

A proposal has not yet been provided

$30 USD 1 päivässä
(0 arvostelua)

I know the remedy solution of this issue. Seamlessly working on Ionic projects and will correct this issue in a day.

$26 USD 1 päivässä
(0 arvostelua)

Hello, I’m having good experience with Web Development, Web Design, Graphic Design, Mobile APPS, Payment Integration, CMS, CRM, e-Commerce, ERP, S.E.O., S.M.O. etc. and I have done many projects in my past; I’m confid Lisää

$100 USD 2 päivässä
(0 arvostelua)
$15 USD 1 päivässä
(0 arvostelua)