相关疑难解决方法(0)

我是 flutter 的新手，我一直在寻找正确的分页结果 2 天。

我按照此代码Flutter ListView 延迟加载 但没有实现我想要的。看看下面的代码。

import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
import 'dart:async';
import 'dart:convert';

main() => runApp(InitialSetupPage());

class InitialSetupPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: "API Pagination",
      debugShowCheckedModeBanner: false,
      theme: ThemeData(primarySwatch: Colors.green),
      home: HomePage(),
    );
  }
}

class HomePage extends StatefulWidget {
  @override
  _HomePageState createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  int pageNum = 1;
  bool isPageLoading = false;
  List<Map<String, dynamic>> arrayOfProducts;

  Future<List<Map<String, dynamic>>> _callAPIToGetListOfData() async { …