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