reverse_loadmore

Description:

reverse loadmore

reverse_loadmore #
A Flutter component that supports pull-up refresh created from refresh_loadmore
Images #


Getting Started #
Add this line to pubspec.yaml
dependencies:
reverse_loadmore: ^1.0.0
copied to clipboard
How To Use #
Use the class RefreshLoadmore
Properties and functions:
/// Callback function on pull up to load more data
final Future<void> Function()? onLoadmore;

/// Whether it is the last page, if it is true, you can not load more
final bool isFirstPage;

/// Child widget
final Widget child;

/// Prompt text widget when there is no more data at the top
final Widget? noMoreWidget;

/// You can use your custom scrollController, or not
final ScrollController? scrollController;

copied to clipboard
Examples #
import 'package:flutter/material.dart';
import 'package:reverse_loadmore/reverse_loadmore.dart';

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

class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.purple,
visualDensity: VisualDensity.adaptivePlatformDensity,
),
home: MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}

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

final String title;

@override
_MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
/// is the last page
bool isFirstPage = false;

List? list;
int page = 1;

@override
void initState() {
super.initState();
loadFirstData();
}

Future<void> loadFirstData() async {
await Future.delayed(const Duration(seconds: 1), () {
setState(() {
list = [
'dddd',
'sdfasfa',
'sdfgaf',
'adsgafg',
'dddd',
'sdfasfa',
'sdfgaf',
'adsgafg',
'dddd',
'sdfasfa',
'sdfgaf',
'adsgafg'
'adsgafg',
'dddd',
'sdfasfa',
'sdfgaf',
'adsgafg'
];
isFirstPage = false;
page = 1;
});
});
}

@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: list != null
? ReverseLoadmore(
onLoadmore: () async {
await Future.delayed(const Duration(seconds: 1), () {
setState(() {
list!.insertAll(0, ['123', '234', '457']);
page++;
});
print(page);
if (page >= 3) {
setState(() {
isFirstPage = true;
});
}
});
},
noMoreWidget: Text(
'you are all caught up!!',
style: TextStyle(
fontSize: 18,
color: Theme.of(context).disabledColor,
),
),
isFirstPage: isFirstPage,
child: list!.isNotEmpty
? Column(
children: list!
.map(
(e) => ListTile(
title: Text(e),
trailing: const Icon(Icons.accessibility_new),
),
)
.toList(),
)
: const Center(
child: Text('empty'),
),
)
: const Center(child: CircularProgressIndicator()),
);
}
}




copied to clipboard