advanced_infinite_scroll 0.0.2

advanced_infinite_scroll: ^0.0.2 copied to clipboard

example/lib/main.dart

import 'package:advanced_infinite_scroll/advanced_infinite_scroll.dart';
import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // TRY THIS: Try running your application with "flutter run". You'll see
        // the application has a blue toolbar. Then, without quitting the app,
        // try changing the seedColor in the colorScheme below to Colors.green
        // and then invoke "hot reload" (save your changes or press the "hot
        // reload" button in a Flutter-supported IDE, or press "r" if you used
        // the command line to start the app).
        //
        // Notice that the counter didn't reset back to zero; the application
        // state is not lost during the reload. To reset the state, use hot
        // restart instead.
        //
        // This works for code too, not just values: Most code changes can be
        // tested with just a hot reload.
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  late AdvancedInfiniteScrollController<String> controller;

  @override
  void initState() {
    super.initState();
    controller = AdvancedInfiniteScrollController(
      onFuture: onListFutureDummy,
      perPage: 14,
    );
  }

  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // TRY THIS: Try changing the color here to a specific color (to
        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
        // change color while the other colors stay the same.
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: AdvancedInfiniteScroll<String>(
        minItemWidth: 120,
        minItemsPerRow: 1,
        maxItemsPerRow: 1,
        controller: controller,
        loaderSize: 1,
        headerWidget: Container(
          height: 50,
          color: Colors.green,
          child: const Center(child: Text("Header")),
        ),
        footerWidget: Container(
          height: 50,
          color: Colors.red,
          child: const Center(child: Text("Header")),
        ),
        noDataFoundWidget: (c) {
          return TextButton(
            onPressed: () {
              c.refresh();
            },
            child: const Text("Refresh"),
          );
        },
        loadingWidget: const Center(child: CircularProgressIndicator()),
        // onFuture: onListFutureDummy,
        loadingMoreWidget: Center(
          child: Padding(
            padding: const EdgeInsets.all(10),
            child: LinearProgressIndicator(
              minHeight: 60,
              valueColor: AlwaysStoppedAnimation<Color>(Colors.grey.shade50),
            ),
          ),
        ),
        builder: (BuildContext context, listData, index) {
          return ListTile(
            title: Text(
              "${listData[index]}:: INDEX :: $index ::",
            ),
          );
        },
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          controller.refresh(params: {"Sadf": "afdas"});
        },
        child: const Icon(Icons.refresh),
      ),
    );
  }

  Future<List<String>> onListFutureDummy(
      int page, int perPage, Map? params) async {
    debugPrint("ON LOAD DATA AIS :: $page");
    await Future.delayed(const Duration(seconds: 1));
    return List.generate(perPage, (index) => "PAGE :: $page ::");
    // return [];
  }
}