82 lines
2 KiB
Dart
82 lines
2 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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void main() {
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runApp(InfiniteScrollApp());
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}
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class InfiniteScrollApp extends StatelessWidget {
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const InfiniteScrollApp({super.key});
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Infinite Scrolling Flutter',
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home: InfiniteScrollList(),
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);
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}
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}
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class InfiniteScrollList extends StatefulWidget {
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const InfiniteScrollList({super.key});
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@override
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InfiniteScrollListState createState() => InfiniteScrollListState();
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}
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class InfiniteScrollListState extends State<InfiniteScrollList> {
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final List<String> items = [];
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final int itemsPerPage = 20;
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final List<String> staticData = [
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"Hello Flutter",
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"Hello Flutter",
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"Hello Flutter",
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"Hello Flutter",
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"Hello Flutter",
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];
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@override
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void initState() {
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super.initState();
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_loadMoreData(); // Load initial data
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}
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void _loadMoreData() {
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setState(() {
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final newItems = List.generate(itemsPerPage, (i) {
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return staticData[i % staticData.length];
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});
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items.addAll(newItems);
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});
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}
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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home: Scaffold(
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appBar: AppBar(
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title: Text("Infinite Scrolling ListView (Static Data)"),
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),
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body: NotificationListener<ScrollNotification>(
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onNotification: (ScrollNotification scrollInfo) {
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if (scrollInfo.metrics.pixels >=
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scrollInfo.metrics.maxScrollExtent - 50) {
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_loadMoreData();
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return true;
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}
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return false;
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},
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child: ListView.builder(
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itemCount: items.length,
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itemBuilder: (context, index) {
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return ListTile(title: Text(items[index]));
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},
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),
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),
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),
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);
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}
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}
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