Kingkor Roy Tirtho
59 lines
1.5 KiB
Dart
59 lines
1.5 KiB
Dart
import 'dart:math';
|
|
|
|
import 'package:fl_query/fl_query.dart';
|
|
import 'package:flutter/material.dart';
|
|
|
|
class QueryPage extends StatelessWidget {
|
|
const QueryPage({super.key});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final value = Random().nextInt(200000);
|
|
return Scaffold(
|
|
appBar: AppBar(
|
|
title: const Text('Query'),
|
|
),
|
|
floatingActionButton:
|
|
QueryListenable<String, dynamic>('hello', builder: (context, query) {
|
|
if (query == null) {
|
|
return const SizedBox();
|
|
}
|
|
return FloatingActionButton(
|
|
onPressed: () {
|
|
query.refresh();
|
|
},
|
|
child: Text(query.data ?? 'No Data'),
|
|
);
|
|
}),
|
|
body: QueryBuilder<String, dynamic>(
|
|
'hello',
|
|
() {
|
|
return Future.delayed(
|
|
const Duration(seconds: 6),
|
|
() => 'Hello World! $value',
|
|
);
|
|
},
|
|
initial: 'Hello',
|
|
// jsonConfig: JsonConfig(
|
|
// fromJson: (json) => json['data'],
|
|
// toJson: (data) => {'data': data},
|
|
// ),
|
|
onData: (value) {
|
|
debugPrint('onData: $value');
|
|
},
|
|
onError: (error) {
|
|
debugPrint('onError: $error');
|
|
},
|
|
builder: (context, query) {
|
|
return query.resolveWith(
|
|
context,
|
|
(data) => Center(child: Text(data)),
|
|
error: (error) => Center(child: Text(error.toString())),
|
|
loading: () => const Center(child: CircularProgressIndicator()),
|
|
);
|
|
},
|
|
),
|
|
);
|
|
}
|
|
}
|