pr_widget 0.0.7+2 pr_widget: ^0.0.7+2 copied to clipboard
Pr Widget is customize widget for speed up development with custom StreamBuilder and Widget Component relate with api respose.
import 'package:flutter/material.dart';
import 'package:pr_widget/widget/pagination_widget.dart';
import 'package:pr_widget/widget/stream_widget.dart';
import 'package:pr_widget/service/stream/base_stream_provider.dart';
import 'package:dio/dio.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
visualDensity: VisualDensity.adaptivePlatformDensity,
),
home: PaginationExample(),
);
}
}
class PaginationExample extends StatefulWidget {
@override
_PaginationExampleState createState() => _PaginationExampleState();
}
class _PaginationExampleState extends State<PaginationExample> {
ScrollController _scrollController = ScrollController();
BaseStreamProvider<List<User>> _userStreamProvider = BaseStreamProvider();
Future<List<User>> fetchDatafromInternetByStreamProvider() {
_userStreamProvider.addData(() async {
return await calledApiRequest(1);
});
}
Future<List<User>> calledApiRequest(int page) async {
Response response = await Dio().get(
"https://chunlee-node-api-boilerplate.herokuapp.com/api/user/all_users?count=15&page=$page");
if (response.statusCode == 200) {
var list = response.data['data'] as List;
return list.map((e) => User.fromJson(e)).toList();
} else
return throw "error";
}
@override
void initState() {
fetchDatafromInternetByStreamProvider();
super.initState();
}
@override
void dispose() {
_userStreamProvider.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: StreamWidget<List<User>>(
stream: _userStreamProvider.stream,
child: (List<User> data) {
return PaginationWidget<List<User>>(
controller: _scrollController,
datas: data,
onApiRequest: (page) async {
return await calledApiRequest(page);
},
child: (data) {
return Column(
mainAxisSize: MainAxisSize.min,
children: [
ListTile(
title: Text("${data.firstname} ${data.lastname}")),
Divider()
],
);
});
},
),
);
}
}
class User {
String id;
String firstname;
String lastname;
User({this.id, this.firstname, this.lastname});
factory User.fromJson(Map<String, dynamic> json) {
return User(
id: json['_id'],
firstname: json['first_name'],
lastname: json['last_name']);
}
}