Circular Countdown TIMER

DART

import 'dart:async';
import 'dart:convert';
import 'package:awesome_notifications/awesome_notifications.dart';
import 'package:circular_countdown_timer/circular_countdown_timer.dart';
import 'package:flash_chat/components/button.dart';
import 'package:flash_chat/screens/promotersDetails.dart';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

class ViewPromoters extends StatefulWidget {
  final String a_id,s_id;
  ViewPromoters({Key key, @required this.a_id,@required this.s_id}) : super(key: key);

  @override
  _ViewPromotersState createState() => _ViewPromotersState(a_id,s_id);
}

class _ViewPromotersState extends State<ViewPromoters> {
  CountDownController _controller = CountDownController();   //cIRCULAR cOUNTDOWN tIMER


  String p_id,p_name;
  Map mapResponse;
  List listResponse;
  String a_id,s_id;
  _ViewPromotersState(this.a_id,this.s_id);
 

  @override
  void initState() {
   
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    double width = MediaQuery.of(context).size.width * 0.6;
    return Scaffold(
      appBar: AppBar(
        // App Bar
        title: Text(
          "Promoters Detail",
          style: TextStyle(color: Colors.white),
        ),
        actions: <Widget>[
          IconButton(
            icon: Icon(
              Icons.notifications_active,
              color: Colors.white,
            ),
            onPressed: () {
              Notify();
            },
          )
        ],
        elevation: 5,
        backgroundColor: Colors.green,
      ),
      // Main List View With Builder
      body: ListView.builder(
        itemCount: 3,
        itemBuilder: (context, index) {

          return  Card(
              color: Colors.white,
              elevation: 5,
              child: Column(
                children: [                         // hERE IS THE FUNCTION 
                  CircularCountDownTimer(
                    width: MediaQuery.of(context).size.width / 6,
                    height: MediaQuery.of(context).size.width / 6,
                    duration: 120,
                    fillColor: Colors.green,
                    ringColor: Colors.white,
                    controller: _controller,
                    backgroundColor: Colors.white54,
                    strokeWidth: 10.0,
                    strokeCap: StrokeCap.round,
                    isTimerTextShown: true,
                    isReverse: false,
                    onComplete: () {
                      Notify();
                    },
                    textStyle: TextStyle(fontSize: 20.0, color: Colors.black),
                  ),
                  Row(
                    children: <Widget>[
                      CircleAvatar(
                        radius: 60,
                        backgroundImage: AssetImage(imgList[index]),
                      ),
                      Padding(
                        padding: const EdgeInsets.all(10.0),
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: <Widget>[
                            Container(
                              child: listResponse == null
                                  ? Container()
                                  : Text(
                                      listResponse[index]['name'].toString(),
                                      style: TextStyle(
                                        color: Colors.grey.shade500,
                                        fontSize: 20.0,
                                        fontWeight: FontWeight.w400,
                                      ),
                                    ),
                            ),
                            SizedBox(
                              height: 10,
                            ),
                            Container(
                              width: width,
                              child: Row(
                                children: [
                                  Icon(
                                    Icons.add_task_sharp,
                                    color: Colors.grey[500],
                                    size: 20.0,
                                  ),
                                  SizedBox(
                                    width: 7,
                                  ),
                                  Text(
                                    descList[index],
                                    maxLines: 3,
                                    style: TextStyle(
                                        fontSize: 15,
                                        color: Colors.grey[500],
                                        fontWeight: FontWeight.w500),
                                  ),
                                ],
                              ),
                            ),
                            Container(
                              width: width,
                              child: Row(
                                children: [
                                  Icon(
                                    Icons.add_photo_alternate_outlined,
                                    color: Colors.grey[500],
                                    size: 20.0,
                                  ),
                                  SizedBox(
                                    width: 7,
                                  ),
                                  Text(
                                    selfieList[index],
                                    maxLines: 3,
                                    style: TextStyle(
                                        fontSize: 15,
                                        color: Colors.grey[500],
                                        fontWeight: FontWeight.w500),
                                  ),
                                ],
                              ),
                            ),
                            Container(
                              width: width,
                              child: Row(
                                children: [
                                  Icon(
                                    Icons.dashboard_customize,
                                    color: Colors.grey[500],
                                    size: 20.0,
                                  ),
                                  SizedBox(
                                    width: 7,
                                  ),
                                  Text(
                                    dataList[index],
                                    maxLines: 3,
                                    style: TextStyle(
                                        fontSize: 15,
                                        color: Colors.grey[500],
                                        fontWeight: FontWeight.w500),
                                  ),
                                ],
                              ),
                            ),
                            Container(
                              width: width,
                              child: Row(
                                children: [
                                  Icon(
                                    Icons.assignment_ind_sharp,
                                    color: Colors.grey[500],
                                    size: 20.0,
                                  ),
                                  SizedBox(
                                    width: 7,
                                  ),
                                  Text(
                                    timeList[index],
                                    maxLines: 3,
                                    style: TextStyle(
                                        fontSize: 15,
                                        color: Colors.grey[500],
                                        fontWeight: FontWeight.w500),
                                  ),
                                ],
                              ),
                            ),
                          ],
                        ),
                      )
                    ],
                  ),
                ],
              ),
            ),
          );
        },
    );
  }
}


void Notify() async {
  await AwesomeNotifications().createNotification(
      content: NotificationContent(
          id: 1,
          channelKey: 'key1',
          title: 'This is Notification',
          body: 'T His is body of Notify'));
}