pr_widget

Description:

pr widget

Pr Widget #
Pr Widget is customize widget for speed up development with custom StreamBuilder and Widget Component relate with api response.
How to use #
To use this plugin, add pr_widget as a dependency in your pubspec.yaml file.
Example #
StreamWidget Usage
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';
import 'package:pr_widget/service/exception_handler/exception_handler.dart';


class StreamWidgetExample extend StatefulWidget {

}

class _StreamWidgetExample extend State<>{

BaseStreamProvider<List<User>> _userStreamProvider = BaseStreamProvider();

Future<List<User>> fetchDatafromInternetByStreamProvider() {
return _userStreamProvider.addData(() async {
return calledApiRequest().catchError((e){
_userStreamProvider.addError(e);
});
});
}

@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 child;
},
),
);
}
}
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PaginationWidget Usage with StreamWidget
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';
import 'package:pr_widget/service/exception_handler/exception_handler.dart';

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() {
return _userStreamProvider.addData(() async {
return calledApiRequest(0).catchError((e){
_userStreamProvider.addError(e);
});
});
}

Future<List<User>> calledApiRequest(int page) async {
try {
Response response = await Dio().get(url);
print("ResponseApi= ${response.data}");
if (response.statusCode == 200) {
var list = response.data['data'] as List;
return list.map((e) => User.fromJson(e)).toList();
}
throw "Error";
} on DioError catch (e) {
onHandleDioError(e);
}on TypeError catch(e){
onHandleTypeError(e);
}catch (e){
return throw e.toString();
}
}

@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']);
}
}

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