refresh 1.0.1 refresh: ^1.0.1 copied to clipboard
the indicator of refresh.
example/lib/main.dart
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:refresh/refresh.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 running your application with "flutter run". You'll see the
// application has a blue toolbar. Then, without quitting the app, try
// changing the primarySwatch below to Colors.green and then invoke
// "hot reload" (press "r" in the console where you ran "flutter run",
// or simply save your changes to "hot reload" in a Flutter IDE).
// Notice that the counter didn't reset back to zero; the application
// is not restarted.
primarySwatch: Colors.blue,
),
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> {
List<String> items = ["1", "2", "3", "4","5","6","7","8","9"];
RefreshController _refreshController =
RefreshController(initialRefresh: false);
void _onRefresh() async{
// monitor network fetch
await Future.delayed(Duration(milliseconds: 1000));
// if failed,use refreshFailed()
_refreshController.refreshCompleted();
}
void _onLoading() async{
// monitor network fetch
await Future.delayed(Duration(milliseconds: 1000));
// if failed,use loadFailed(),if no data return,use LoadNodata()
items.add((items.length+1).toString());
if(mounted)
setState(() {
});
_refreshController.loadComplete();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(),
body: SmartRefresher(
controller: _refreshController,
child: ListView.builder(
itemBuilder: (c, i) => Card(child: Center(child: Text(items[i]))),
itemExtent: 100.0,
itemCount: items.length,
),
),
);
}
}