How To Paginate Listview Using Flutter Android App

import 'package:flutter/material.dart';
void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyHomePage(),
    );
  }
}
class MyHomePage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() => MyHomePageState();
}

class MyHomePageState extends State<MyHomePage> {
  static final List<int> _listData = List<int>.generate(200, (i) => i);
  ScrollController _scrollController = ScrollController();

  int _listOffset = 0;
  int _listLimit = 10;
  bool _isLoading = false;

  List<int> _dataForListView = _listData.sublist(0, 30);

  _scrollListener() {
    if (_scrollController.position.pixels ==
        _scrollController.position.maxScrollExtent) {
      setState(() {
        _isLoading = true;
        _listLimit += 50;
        _listOffset = _listLimit + 1;
        Future.delayed(Duration(seconds: 3)).then((_) {
          _dataForListView
            ..addAll(
                List<int>.from(_listData.sublist(_listOffset, _listLimit)));
        });
        _isLoading = false;
      });
    }
  }

  @override
  void initState() {
    super.initState();
    _scrollController.addListener(_scrollListener);
  }

  @override
  void dispose() {
    _scrollController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.lightGreen,
        title: Text('Listview Paginate'),
      ),
      body: ListView(
          controller: _scrollController,
          padding: EdgeInsets.all(8.0),
          children: _dataForListView
              .map((data) => ListTile(title: Text("Item $data")))
              .toList()
            ..add(ListTile(
                title: _isLoading
                    ? CircularProgressIndicator()
                    : SizedBox()))),
    );
  }
}