removed dependOnQuery from beacuse of infinite renders
example created for various usecases with various features hooks now use standard hook API instead of using Hook Class variable query & mutation not working bug fix mutation onMutate listeners not getting called bug fix
This commit is contained in:
Kingkor Roy Tirtho
@@ -1,17 +0,0 @@
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import 'package:fl_query/fl_query.dart';
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import 'package:flutter/material.dart';
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class AnotherComponent extends StatelessWidget {
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const AnotherComponent({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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final lol = QueryBowl.of(context).getQuery<String, void>("greetings");
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final deadQuery =
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QueryBowl.of(context).getQuery<String, String>("external_data");
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if (lol?.data == null) return const CircularProgressIndicator();
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return Text(
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"${lol!.data!} from AnotherComponent\nDeadQuery (It should be null after 10 seconds): ${deadQuery?.data}",
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);
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}
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}
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@@ -0,0 +1,115 @@
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import 'dart:convert';
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import 'dart:math';
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import 'package:example/components/basic_query.dart';
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import 'package:http/http.dart' as http;
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import 'package:fl_query/fl_query.dart';
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import 'package:flutter/material.dart';
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final basicMutationJob = MutationJob<Map, Map<String, dynamic>>(
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mutationKey: "basic-mutation-example",
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task: (key, data) async {
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final response = await http.post(
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Uri.parse(
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// to simulate a failing response environment
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Random().nextBool()
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? "https://jsonplaceholder.typicode.com/posts"
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: "https://google.com",
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),
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headers: {'Content-type': 'application/json; charset=UTF-8'},
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body: jsonEncode(data),
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);
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return jsonDecode(response.body);
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},
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);
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class BasicMutationExample extends StatefulWidget {
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const BasicMutationExample({Key? key}) : super(key: key);
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@override
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State<BasicMutationExample> createState() => _BasicMutationExampleState();
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}
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class _BasicMutationExampleState extends State<BasicMutationExample> {
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late TextEditingController titleController;
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late TextEditingController bodyController;
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late int id;
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@override
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void initState() {
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super.initState();
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id = Random().nextInt(2000000);
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titleController = TextEditingController();
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bodyController = TextEditingController();
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}
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@override
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void dispose() {
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titleController.dispose();
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bodyController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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"# Basic Mutation Example",
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style: Theme.of(context).textTheme.headline5,
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),
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MutationBuilder<Map, Map<String, dynamic>>(
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job: basicMutationJob,
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onMutate: (v) {
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QueryBowl.of(context)
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.setQueryData<String, void>(successJob.queryKey, (oldData) {
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if (oldData?.contains("After Mutate (OPTIMISTIC UPDATE)") ==
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true) {
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return "$oldData";
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}
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return "$oldData - After Mutate (OPTIMISTIC UPDATE)";
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});
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},
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builder: (context, mutation) {
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return Padding(
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padding: const EdgeInsets.all(8.0),
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child: Column(
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children: [
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TextField(
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controller: titleController,
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decoration: const InputDecoration(labelText: "Title"),
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),
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TextField(
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controller: bodyController,
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decoration: const InputDecoration(labelText: "Body"),
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),
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const SizedBox(height: 20),
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ElevatedButton(
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onPressed: () {
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final title = titleController.value.text;
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final body = bodyController.value.text;
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if (body.isEmpty || title.isEmpty) return;
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mutation.mutate({
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"title": title,
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"body": body,
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"id": id,
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}, onData: (data) {
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// resetting the form
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titleController.text = "";
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bodyController.text = "";
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});
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},
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child: const Text("Post"),
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),
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const SizedBox(height: 20),
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if (mutation.hasData) Text("Response\n${mutation.data}"),
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if (mutation.hasError) Text(mutation.error.toString()),
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],
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),
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);
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}),
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],
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);
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}
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}
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@@ -0,0 +1,86 @@
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import 'dart:math';
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import 'package:fl_query/fl_query.dart';
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import 'package:flutter/material.dart';
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final successJob = QueryJob<String, void>(
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queryKey: "greetings-example",
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task: (queryKey, _, __) => Future.delayed(
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const Duration(seconds: 2),
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() =>
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"The work successfully executed. Data: key=($queryKey) value=${Random.secure().nextInt(100)}",
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),
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);
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final canFailJob = QueryJob<String, void>(
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queryKey: "failure-example",
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task: (queryKey, _, __) => Random().nextBool()
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? Future.error("$queryKey operation failed for unknown reason")
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: Future.value(
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"Successful execution. Result: $queryKey=${Random().nextInt(100)}",
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),
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);
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class BasicQueryExample extends StatelessWidget {
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const BasicQueryExample({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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"# Basic Query Example",
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style: Theme.of(context).textTheme.headline5,
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),
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QueryBuilder<String, void>(
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job: successJob,
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externalData: null,
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builder: (context, query) {
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if (!query.hasData || query.isLoading || query.isRefetching) {
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return const CircularProgressIndicator();
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}
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return Row(
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children: [
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Text(query.data!),
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ElevatedButton(
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child: const Text("Refetch"),
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onPressed: () async {
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await query.refetch();
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},
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),
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],
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);
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},
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),
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QueryBuilder<String, void>(
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job: canFailJob,
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externalData: null,
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builder: (context, query) {
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if (!query.hasData || query.isLoading || query.isRefetching) {
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return const CircularProgressIndicator();
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}
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return Row(
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children: [
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if (query.hasError)
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Text(
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"${query.error}. Retrying: ${query.retryAttempts}",
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),
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if (query.hasData)
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Text(
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"Success after ${query.retryAttempts}\nData: ${query.data}",
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),
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ElevatedButton(
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child: const Text("Refetch"),
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onPressed: () async {
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await query.refetch();
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},
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),
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],
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);
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},
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),
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],
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);
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}
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}
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@@ -0,0 +1,94 @@
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import 'dart:convert';
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import 'dart:math';
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import 'package:example/components/hooks/basic_hook_query.dart';
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import 'package:fl_query/fl_query_hooks.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:http/http.dart' as http;
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import 'package:fl_query/fl_query.dart';
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import 'package:flutter/material.dart';
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final basicMutationHookJob = MutationJob<Map, Map<String, dynamic>>(
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mutationKey: "basic-hook-mutation-example",
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task: (key, data) async {
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final response = await http.post(
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Uri.parse(
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// to simulate a failing response environment
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Random().nextBool()
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? "https://jsonplaceholder.typicode.com/posts"
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: "https://google.com",
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),
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headers: {'Content-type': 'application/json; charset=UTF-8'},
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body: jsonEncode(data),
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);
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return jsonDecode(response.body);
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},
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);
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class BasicHookMutationExample extends HookWidget {
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const BasicHookMutationExample({super.key});
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@override
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Widget build(BuildContext context) {
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final id = useMemoized(() => Random().nextInt(2000000), []);
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final titleController = useTextEditingController();
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final bodyController = useTextEditingController();
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final mutation = useMutation(
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job: basicMutationHookJob,
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onMutate: (v) {
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QueryBowl.of(context)
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.setQueryData<String, void>(successHookJob.queryKey, (oldData) {
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if (oldData?.contains("After Mutate (OPTIMISTIC UPDATE)") == true) {
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return "$oldData";
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}
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return "$oldData - After Mutate (OPTIMISTIC UPDATE)";
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});
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},
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);
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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"# Basic Mutation Hook Example",
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style: Theme.of(context).textTheme.headline5,
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),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Column(
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children: [
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TextField(
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controller: titleController,
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decoration: const InputDecoration(labelText: "Title"),
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),
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TextField(
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controller: bodyController,
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decoration: const InputDecoration(labelText: "Body"),
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),
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const SizedBox(height: 20),
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ElevatedButton(
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onPressed: () {
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final title = titleController.value.text;
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final body = bodyController.value.text;
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if (body.isEmpty || title.isEmpty) return;
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mutation.mutate({
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"title": title,
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"body": body,
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"id": id,
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}, onData: (data) {
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// resetting the form
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titleController.text = "";
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bodyController.text = "";
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});
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},
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child: const Text("Post"),
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),
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const SizedBox(height: 20),
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if (mutation.hasData) Text("Response\n${mutation.data}"),
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if (mutation.hasError) Text(mutation.error.toString()),
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],
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),
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)
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],
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);
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}
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}
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@@ -0,0 +1,80 @@
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import 'dart:math';
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import 'package:fl_query/fl_query.dart';
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import 'package:fl_query/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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final successHookJob = QueryJob<String, void>(
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queryKey: "greetings-hook-example",
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task: (queryKey, _, __) => Future.delayed(
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const Duration(seconds: 2),
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() =>
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"The work successfully executed. Data: key=($queryKey) value=${Random.secure().nextInt(100)}",
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),
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);
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final canFailHookJob = QueryJob<String, void>(
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queryKey: "failure-hook-example",
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task: (queryKey, _, __) => Random().nextBool()
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? Future.error("$queryKey operation failed for unknown reason")
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: Future.value(
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"Successful execution. Result: $queryKey=${Random().nextInt(100)}",
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),
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);
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class BasicHookQueryExample extends HookWidget {
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const BasicHookQueryExample({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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final successQuery = useQuery(job: successHookJob, externalData: null);
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final canFailQuery = useQuery(job: canFailHookJob, externalData: null);
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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"# Basic Query Hook Example",
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style: Theme.of(context).textTheme.headline5,
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),
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!successQuery.hasData ||
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successQuery.isLoading ||
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successQuery.isRefetching
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? const CircularProgressIndicator()
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: Row(
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children: [
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Text(successQuery.data!),
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ElevatedButton(
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child: const Text("Refetch"),
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onPressed: () async {
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await successQuery.refetch();
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},
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),
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],
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),
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!canFailQuery.hasData ||
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canFailQuery.isLoading ||
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canFailQuery.isRefetching
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? const CircularProgressIndicator()
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: Row(
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children: [
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if (canFailQuery.hasError)
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Text(
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"${canFailQuery.error}. Retrying: ${canFailQuery.retryAttempts}",
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),
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if (canFailQuery.hasData)
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Text(
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"Success after ${canFailQuery.retryAttempts}\nData: ${canFailQuery.data}",
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),
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ElevatedButton(
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child: const Text("Refetch"),
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onPressed: () async {
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await canFailQuery.refetch();
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},
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),
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],
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)
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],
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);
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}
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}
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@@ -0,0 +1,43 @@
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import 'package:fl_query/fl_query.dart';
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import 'package:fl_query/fl_query_hooks.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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final lazyHookQueryJob = QueryJob<String, String>(
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queryKey: "lazy-hook-query",
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enabled: false,
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task: (queryKey, data, _) {
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return Future.delayed(const Duration(milliseconds: 500),
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() => "Result: key=$queryKey value=$data");
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},
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);
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class LazyHookQueryExample extends HookWidget {
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const LazyHookQueryExample({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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final query = useQuery(
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job: lazyHookQueryJob,
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externalData: "Love",
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);
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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"# Lazy Hook Query Example",
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style: Theme.of(context).textTheme.headline5,
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),
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Row(
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children: [
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Text("Current Data: ${query.data ?? "Loading"}"),
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ElevatedButton(
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child: const Text("Refetch Query"),
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onPressed: () => query.refetch(),
|
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),
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||||
],
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||||
),
|
||||
],
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||||
);
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||||
}
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||||
}
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@@ -0,0 +1,49 @@
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import 'dart:math';
|
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import 'package:fl_query/fl_query.dart';
|
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import 'package:fl_query/fl_query_hooks.dart';
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import 'package:flutter/material.dart';
|
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import 'package:flutter_hooks/flutter_hooks.dart';
|
||||
|
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final mutationHookVariableKeyJob = MutationJob.withVariableKey<String, double>(
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||||
task: (queryKey, variables) {
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return Future.value("$variables");
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},
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||||
);
|
||||
|
||||
class MutationHookVariableKeyExample extends HookWidget {
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const MutationHookVariableKeyExample({Key? key}) : super(key: key);
|
||||
@override
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||||
Widget build(BuildContext context) {
|
||||
final id = useState(Random().nextDouble());
|
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final mutation = useMutation(
|
||||
job: mutationHookVariableKeyJob("mutation-hook-variable-key#${id.value}"),
|
||||
);
|
||||
return Column(
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||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(
|
||||
"# Mutation Hook Variable Key Example",
|
||||
style: Theme.of(context).textTheme.headline5,
|
||||
),
|
||||
Row(
|
||||
children: [
|
||||
Text("${mutation.mutationKey} Result: ${mutation.data}"),
|
||||
ElevatedButton(
|
||||
child: const Text("Generate Random Data"),
|
||||
onPressed: () {
|
||||
mutation.mutate(Random().nextDouble());
|
||||
},
|
||||
),
|
||||
ElevatedButton(
|
||||
child: const Text("New Mutation"),
|
||||
onPressed: () {
|
||||
id.value = Random().nextDouble();
|
||||
},
|
||||
),
|
||||
],
|
||||
),
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,58 @@
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:fl_query/fl_query.dart';
|
||||
import 'package:fl_query/fl_query_hooks.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter_hooks/flutter_hooks.dart';
|
||||
|
||||
final queryHookExternalDataJob = QueryJob<String, double>(
|
||||
queryKey: "query-hook-external-data",
|
||||
cacheTime: const Duration(seconds: 10),
|
||||
task: (queryKey, data, _) {
|
||||
return Future.delayed(const Duration(milliseconds: 500),
|
||||
() => "Hello from $queryKey with $data");
|
||||
},
|
||||
);
|
||||
|
||||
class QueryHookExternalDataExample extends HookWidget {
|
||||
const QueryHookExternalDataExample({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
final externalData = useState(Random().nextDouble() * 200);
|
||||
final query = useQuery(
|
||||
job: queryHookExternalDataJob,
|
||||
externalData: externalData.value,
|
||||
);
|
||||
return Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(
|
||||
"# Query Hook With External Data Example",
|
||||
style: Theme.of(context).textTheme.headline5,
|
||||
),
|
||||
query.isLoading || query.isRefetching || !query.hasData
|
||||
? const CircularProgressIndicator()
|
||||
: Row(
|
||||
children: [
|
||||
Container(
|
||||
width: query.externalData,
|
||||
height: query.externalData,
|
||||
decoration: const BoxDecoration(
|
||||
shape: BoxShape.circle,
|
||||
color: Colors.blue,
|
||||
),
|
||||
child: Center(child: Text(query.externalData.toString())),
|
||||
),
|
||||
ElevatedButton(
|
||||
child: const Text("New Id"),
|
||||
onPressed: () {
|
||||
externalData.value = Random().nextDouble() * 200;
|
||||
},
|
||||
)
|
||||
],
|
||||
)
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,49 @@
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:fl_query/fl_query.dart';
|
||||
import 'package:fl_query/fl_query_hooks.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter_hooks/flutter_hooks.dart';
|
||||
|
||||
final queryHookVariableKeyJob = QueryJob.withVariableKey<String, void>(
|
||||
task: (queryKey, externalData, query) {
|
||||
return Future.delayed(
|
||||
const Duration(milliseconds: 500),
|
||||
() => "QueryKey:${queryKey.split("#").last}",
|
||||
);
|
||||
});
|
||||
|
||||
class QueryHookVariableKeyExample extends HookWidget {
|
||||
const QueryHookVariableKeyExample({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
final id = useState(Random().nextDouble() * 200);
|
||||
final query = useQuery<String, void>(
|
||||
job: queryHookVariableKeyJob("hook-variable-query#${id.value}"),
|
||||
externalData: null,
|
||||
);
|
||||
return Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(
|
||||
"# Query Hook Variable Example",
|
||||
style: Theme.of(context).textTheme.headline5,
|
||||
),
|
||||
query.isLoading || query.isRefetching || !query.hasData
|
||||
? const CircularProgressIndicator()
|
||||
: Row(
|
||||
children: [
|
||||
Text("Query Result: ${query.data}"),
|
||||
ElevatedButton(
|
||||
child: const Text("New Id"),
|
||||
onPressed: () {
|
||||
id.value = Random().nextDouble() * 200;
|
||||
},
|
||||
),
|
||||
],
|
||||
)
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,43 @@
|
||||
import 'package:fl_query/fl_query.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
final lazyQueryJob = QueryJob<String, String>(
|
||||
queryKey: "lazy-query",
|
||||
enabled: false,
|
||||
task: (queryKey, data, _) {
|
||||
return Future.delayed(const Duration(milliseconds: 500),
|
||||
() => "Result: key=$queryKey value=$data");
|
||||
},
|
||||
);
|
||||
|
||||
class LazyQueryExample extends StatelessWidget {
|
||||
const LazyQueryExample({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(
|
||||
"# Lazy Query Example",
|
||||
style: Theme.of(context).textTheme.headline5,
|
||||
),
|
||||
QueryBuilder<String, String>(
|
||||
job: lazyQueryJob,
|
||||
externalData: "Love",
|
||||
builder: (context, query) {
|
||||
return Row(
|
||||
children: [
|
||||
Text("Current Data: ${query.data ?? "Loading"}"),
|
||||
ElevatedButton(
|
||||
child: const Text("Refetch Query"),
|
||||
onPressed: () => query.refetch(),
|
||||
),
|
||||
],
|
||||
);
|
||||
},
|
||||
),
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,66 @@
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:fl_query/fl_query.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
final mutationVariableKeyJob = MutationJob.withVariableKey<String, double>(
|
||||
task: (queryKey, variables) {
|
||||
return Future.value("$variables");
|
||||
},
|
||||
);
|
||||
|
||||
class MutationVariableKeyExample extends StatefulWidget {
|
||||
const MutationVariableKeyExample({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
State<MutationVariableKeyExample> createState() =>
|
||||
_MutationVariableKeyExampleState();
|
||||
}
|
||||
|
||||
class _MutationVariableKeyExampleState
|
||||
extends State<MutationVariableKeyExample> {
|
||||
late double id;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
id = Random().nextDouble();
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(
|
||||
"# Mutation Variable Key Example",
|
||||
style: Theme.of(context).textTheme.headline5,
|
||||
),
|
||||
MutationBuilder<String, double>(
|
||||
job: mutationVariableKeyJob("mutation-variable-key#$id"),
|
||||
builder: (context, mutation) {
|
||||
return Row(
|
||||
children: [
|
||||
Text("${mutation.mutationKey} Result: ${mutation.data}"),
|
||||
ElevatedButton(
|
||||
child: const Text("Generate Random Data"),
|
||||
onPressed: () {
|
||||
mutation.mutate(Random().nextDouble());
|
||||
},
|
||||
),
|
||||
ElevatedButton(
|
||||
child: const Text("New Mutation"),
|
||||
onPressed: () {
|
||||
setState(() {
|
||||
id = Random().nextDouble();
|
||||
});
|
||||
},
|
||||
),
|
||||
],
|
||||
);
|
||||
},
|
||||
)
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,74 @@
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:fl_query/fl_query.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
final jobWithExternalData = QueryJob<String, double>(
|
||||
queryKey: "query-external-data",
|
||||
cacheTime: const Duration(seconds: 10),
|
||||
task: (queryKey, data, _) {
|
||||
return Future.delayed(const Duration(milliseconds: 500),
|
||||
() => "Hello from $queryKey with $data");
|
||||
},
|
||||
);
|
||||
|
||||
class QueryExternalDataExample extends StatefulWidget {
|
||||
const QueryExternalDataExample({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
State<QueryExternalDataExample> createState() =>
|
||||
_QueryExternalDataExampleState();
|
||||
}
|
||||
|
||||
class _QueryExternalDataExampleState extends State<QueryExternalDataExample> {
|
||||
late double externalData;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
externalData = Random().nextDouble() * 200;
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(
|
||||
"# Query With External Data Example",
|
||||
style: Theme.of(context).textTheme.headline5,
|
||||
),
|
||||
QueryBuilder<String, double>(
|
||||
job: jobWithExternalData,
|
||||
externalData: externalData,
|
||||
builder: (context, query) {
|
||||
if (query.isLoading || query.isRefetching || !query.hasData) {
|
||||
return const CircularProgressIndicator();
|
||||
}
|
||||
return Row(
|
||||
children: [
|
||||
Container(
|
||||
width: query.externalData,
|
||||
height: query.externalData,
|
||||
decoration: const BoxDecoration(
|
||||
shape: BoxShape.circle,
|
||||
color: Colors.blue,
|
||||
),
|
||||
child: Center(child: Text(query.externalData.toString())),
|
||||
),
|
||||
ElevatedButton(
|
||||
child: const Text("New Id"),
|
||||
onPressed: () {
|
||||
setState(() {
|
||||
externalData = Random().nextDouble() * 200;
|
||||
});
|
||||
},
|
||||
)
|
||||
],
|
||||
);
|
||||
},
|
||||
),
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,64 @@
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:fl_query/fl_query.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
final queryVariableKeyJob = QueryJob.withVariableKey<String, void>(
|
||||
task: (queryKey, externalData, query) {
|
||||
return Future.delayed(
|
||||
const Duration(milliseconds: 500),
|
||||
() => "QueryKey:${queryKey.split("#").last}",
|
||||
);
|
||||
});
|
||||
|
||||
class QueryVariableKeyExample extends StatefulWidget {
|
||||
const QueryVariableKeyExample({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
State<QueryVariableKeyExample> createState() =>
|
||||
_QueryVariableKeyExampleState();
|
||||
}
|
||||
|
||||
class _QueryVariableKeyExampleState extends State<QueryVariableKeyExample> {
|
||||
late double id;
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
id = Random().nextDouble() * 200;
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(
|
||||
"# Query Variable Example",
|
||||
style: Theme.of(context).textTheme.headline5,
|
||||
),
|
||||
QueryBuilder<String, void>(
|
||||
job: queryVariableKeyJob("variable-query#$id"),
|
||||
externalData: null,
|
||||
builder: (context, query) {
|
||||
if (query.isLoading || query.isRefetching || !query.hasData) {
|
||||
return const CircularProgressIndicator();
|
||||
}
|
||||
return Row(
|
||||
children: [
|
||||
Text("Query Result: ${query.data}"),
|
||||
ElevatedButton(
|
||||
child: const Text("New Id"),
|
||||
onPressed: () {
|
||||
setState(() {
|
||||
id = Random().nextDouble() * 200;
|
||||
});
|
||||
},
|
||||
),
|
||||
],
|
||||
);
|
||||
},
|
||||
),
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -1,36 +0,0 @@
|
||||
import 'package:example/main.dart';
|
||||
import 'package:fl_query/fl_query.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
final dependentQueryJob = QueryJob<String, void>(
|
||||
queryKey: "dependent-query-job",
|
||||
task: (queryKey, externalData, query) {
|
||||
final successQuery =
|
||||
query.dependOnQuery<String, void>(successJob, externalData: null);
|
||||
final failedQuery =
|
||||
query.dependOnQuery<String, void>(failedJob, externalData: null);
|
||||
if (failedQuery.hasError) return failedQuery.error.toString();
|
||||
if (successQuery.hasData) return successQuery.data!;
|
||||
return "No data from success query yet";
|
||||
});
|
||||
|
||||
class DependentQueryExample extends StatelessWidget {
|
||||
const DependentQueryExample({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
appBar: AppBar(),
|
||||
body: QueryBuilder<String, void>(
|
||||
job: dependentQueryJob,
|
||||
externalData: null,
|
||||
builder: (context, query) {
|
||||
if (query.isLoading || query.isRefetching || !query.hasData) {
|
||||
return const CircularProgressIndicator();
|
||||
}
|
||||
return Text(query.data!);
|
||||
},
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -1,27 +0,0 @@
|
||||
import 'package:example/main.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:fl_query/fl_query_hooks.dart';
|
||||
import 'package:flutter_hooks/flutter_hooks.dart';
|
||||
|
||||
class HookExample extends HookWidget {
|
||||
const HookExample({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
final query = useQuery(job: successJob, externalData: null);
|
||||
|
||||
return Scaffold(
|
||||
appBar: AppBar(
|
||||
title: const Text("Running the 1st example but with hooks instead"),
|
||||
),
|
||||
body: !query.hasData || query.isLoading || query.isRefetching
|
||||
? const CircularProgressIndicator()
|
||||
: TextButton(
|
||||
child: Text(query.data!),
|
||||
onPressed: () async {
|
||||
await query.refetch();
|
||||
},
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -1,36 +0,0 @@
|
||||
import 'package:fl_query/fl_query.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
final lazyQueryJob = QueryJob<String, String>(
|
||||
queryKey: "non_enabled_query",
|
||||
enabled: false,
|
||||
task: (queryKey, data, _) {
|
||||
return Future.delayed(const Duration(milliseconds: 500),
|
||||
() => "Hello from $queryKey with $data");
|
||||
});
|
||||
|
||||
class LazyQuery extends StatelessWidget {
|
||||
const LazyQuery({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
appBar: AppBar(),
|
||||
body: QueryBuilder<String, String>(
|
||||
job: lazyQueryJob,
|
||||
externalData: "Love",
|
||||
builder: (context, query) {
|
||||
return Column(
|
||||
children: [
|
||||
Text("Query Data::: ${query.data ?? "Loading"}"),
|
||||
ElevatedButton(
|
||||
child: const Text("Fetch Query"),
|
||||
onPressed: () => query.refetch(),
|
||||
),
|
||||
],
|
||||
);
|
||||
},
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
+46
-150
@@ -1,11 +1,17 @@
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:example/another_component.dart';
|
||||
import 'package:example/dependent_query_example.dart';
|
||||
import 'package:example/hooks_example.dart';
|
||||
import 'package:example/lazy_query.dart';
|
||||
import 'package:example/mutation_example.dart';
|
||||
import 'package:example/query_with_external_data.dart';
|
||||
import 'package:example/components/basic_mutation.dart';
|
||||
import 'package:example/components/basic_query.dart';
|
||||
import 'package:example/components/hooks/basic_hook_mutation.dart';
|
||||
import 'package:example/components/hooks/basic_hook_query.dart';
|
||||
import 'package:example/components/hooks/lazy_hook_query.dart';
|
||||
import 'package:example/components/hooks/mutation_hook_variable_key.dart';
|
||||
import 'package:example/components/hooks/query_hook_external_data.dart';
|
||||
import 'package:example/components/hooks/query_hook_variable_key.dart';
|
||||
import 'package:example/components/lazy_query.dart';
|
||||
import 'package:example/components/mutation_variable_key.dart';
|
||||
import 'package:example/components/query_external_data.dart';
|
||||
import 'package:example/components/query_variable_key.dart';
|
||||
import 'package:fl_query/fl_query.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'dart:async';
|
||||
@@ -33,21 +39,6 @@ class MyApp extends StatelessWidget {
|
||||
}
|
||||
}
|
||||
|
||||
final successJob = QueryJob<String, void>(
|
||||
queryKey: "greetings",
|
||||
task: (queryKey, _, __) => Future.delayed(const Duration(seconds: 2),
|
||||
() => "Welcome ($queryKey) ${Random.secure().nextInt(100)}"),
|
||||
);
|
||||
|
||||
final failedJob = QueryJob<String, void>(
|
||||
queryKey: "failure",
|
||||
task: (queryKey, _, __) => Random().nextBool()
|
||||
? Future.error("[$queryKey] Failed for unknown reason")
|
||||
: Future.value(
|
||||
"Success, you'll get slowly ${Random().nextInt(100)}!",
|
||||
),
|
||||
);
|
||||
|
||||
class MyHomePage extends StatefulWidget {
|
||||
const MyHomePage({Key? key}) : super(key: key);
|
||||
|
||||
@@ -56,142 +47,47 @@ class MyHomePage extends StatefulWidget {
|
||||
}
|
||||
|
||||
class _MyHomePageState extends State<MyHomePage> with WidgetsBindingObserver {
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
WidgetsBinding.instance.addObserver(this);
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
WidgetsBinding.instance.removeObserver(this);
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
@override
|
||||
void didChangeAppLifecycleState(AppLifecycleState state) {
|
||||
super.didChangeAppLifecycleState(state);
|
||||
print("LIFE CYCLE STATE: $state");
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
appBar: AppBar(
|
||||
title: const Text("Fl Query Example"),
|
||||
),
|
||||
body: Column(
|
||||
children: [
|
||||
Row(
|
||||
children: [
|
||||
QueryBuilder<String, void>(
|
||||
job: successJob,
|
||||
externalData: null,
|
||||
builder: (context, query) {
|
||||
if (!query.hasData || query.isLoading || query.isRefetching) {
|
||||
return const CircularProgressIndicator();
|
||||
}
|
||||
return TextButton(
|
||||
child: Text(query.data!),
|
||||
onPressed: () async {
|
||||
await query.refetch();
|
||||
},
|
||||
);
|
||||
},
|
||||
body: SingleChildScrollView(
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.all(8.0),
|
||||
child: Column(
|
||||
children: [
|
||||
// Regular Flutter Examples
|
||||
const BasicQueryExample(),
|
||||
const QueryExternalDataExample(),
|
||||
const LazyQueryExample(),
|
||||
const QueryVariableKeyExample(),
|
||||
const Divider(),
|
||||
const BasicMutationExample(),
|
||||
const MutationVariableKeyExample(),
|
||||
|
||||
const Divider(color: Colors.amber, thickness: 5),
|
||||
Align(
|
||||
alignment: Alignment.topLeft,
|
||||
child: Text(
|
||||
"!Warning! Cool people only...\nFlutter Hooks Example",
|
||||
style: Theme.of(context).textTheme.headline3,
|
||||
),
|
||||
QueryBuilder<String, void>(
|
||||
job: successJob,
|
||||
externalData: null,
|
||||
builder: (context, query) {
|
||||
if (!query.hasData || query.isLoading || query.isRefetching) {
|
||||
return const CircularProgressIndicator();
|
||||
}
|
||||
return ElevatedButton(
|
||||
child: Text(query.data!),
|
||||
onPressed: () async {
|
||||
await query.refetch();
|
||||
},
|
||||
);
|
||||
},
|
||||
),
|
||||
QueryBuilder<String, void>(
|
||||
job: failedJob,
|
||||
externalData: null,
|
||||
builder: (context, query) {
|
||||
return Row(
|
||||
children: [
|
||||
if (query.hasError)
|
||||
Text(
|
||||
"${query.error}. Retrying: ${query.retryAttempts}",
|
||||
),
|
||||
if (query.hasData)
|
||||
Text(
|
||||
"Success after ${query.retryAttempts}. Data: ${query.data}"),
|
||||
ElevatedButton(
|
||||
child: Text("Refetch ${query.queryKey}"),
|
||||
onPressed: () => query.refetch(),
|
||||
)
|
||||
],
|
||||
);
|
||||
},
|
||||
),
|
||||
],
|
||||
),
|
||||
ElevatedButton(
|
||||
child: const Text("External Data Example"),
|
||||
onPressed: () {
|
||||
Navigator.of(context).push(
|
||||
MaterialPageRoute(
|
||||
builder: (context) => const QueryWithExternalData(),
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
const SizedBox(height: 10),
|
||||
ElevatedButton(
|
||||
child: const Text("Non Enabled Query Example"),
|
||||
onPressed: () {
|
||||
Navigator.of(context).push(
|
||||
MaterialPageRoute(
|
||||
builder: (context) => const LazyQuery(),
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
const SizedBox(height: 10),
|
||||
ElevatedButton(
|
||||
child: const Text("Mutation Example"),
|
||||
onPressed: () {
|
||||
Navigator.of(context).push(
|
||||
MaterialPageRoute(
|
||||
builder: (context) => const MutationExample(),
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
ElevatedButton(
|
||||
child: const Text("flutter_hooks Example"),
|
||||
onPressed: () {
|
||||
Navigator.of(context).push(
|
||||
MaterialPageRoute(
|
||||
builder: (context) => const HookExample(),
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
ElevatedButton(
|
||||
child: const Text("Dependent Query Example"),
|
||||
onPressed: () {
|
||||
Navigator.of(context).push(
|
||||
MaterialPageRoute(
|
||||
builder: (context) => const DependentQueryExample(),
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
const AnotherComponent(),
|
||||
],
|
||||
),
|
||||
),
|
||||
const Divider(color: Colors.amber, thickness: 5),
|
||||
// elite flutter_hooks examples for only elite flutter
|
||||
// developers
|
||||
const BasicHookQueryExample(),
|
||||
const QueryHookExternalDataExample(),
|
||||
const LazyHookQueryExample(),
|
||||
const QueryHookVariableKeyExample(),
|
||||
const Divider(),
|
||||
const BasicHookMutationExample(),
|
||||
const MutationHookVariableKeyExample(),
|
||||
],
|
||||
),
|
||||
)),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1,93 +0,0 @@
|
||||
import 'dart:convert';
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:fl_query/fl_query.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:http/http.dart' as http;
|
||||
|
||||
final postSomethingJob = MutationJob<Map, Map<String, dynamic>>(
|
||||
mutationKey: "post-something-job",
|
||||
task: (key, data) async {
|
||||
final response = await http.post(
|
||||
Uri.parse(
|
||||
"https://jsonplaceholder.typicode.com/posts",
|
||||
),
|
||||
headers: {'Content-type': 'application/json; charset=UTF-8'},
|
||||
body: jsonEncode(data),
|
||||
);
|
||||
return jsonDecode(response.body);
|
||||
},
|
||||
);
|
||||
|
||||
class MutationExample extends StatefulWidget {
|
||||
const MutationExample({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
State<MutationExample> createState() => _MutationExampleState();
|
||||
}
|
||||
|
||||
class _MutationExampleState extends State<MutationExample> {
|
||||
late TextEditingController titleController;
|
||||
late TextEditingController bodyController;
|
||||
late int id;
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
id = Random().nextInt(2000000);
|
||||
titleController = TextEditingController();
|
||||
bodyController = TextEditingController();
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
titleController.dispose();
|
||||
bodyController.dispose();
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
appBar: AppBar(title: const Text("Post Something")),
|
||||
body: MutationBuilder<Map, Map<String, dynamic>>(
|
||||
job: postSomethingJob,
|
||||
builder: (context, mutation) {
|
||||
return Padding(
|
||||
padding: const EdgeInsets.all(8.0),
|
||||
child: Column(
|
||||
children: [
|
||||
TextField(
|
||||
controller: titleController,
|
||||
decoration: const InputDecoration(labelText: "Title"),
|
||||
),
|
||||
TextField(
|
||||
controller: bodyController,
|
||||
decoration: const InputDecoration(labelText: "Body"),
|
||||
),
|
||||
const SizedBox(height: 20),
|
||||
ElevatedButton(
|
||||
onPressed: () {
|
||||
final title = titleController.value.text;
|
||||
final body = bodyController.value.text;
|
||||
if (body.isEmpty || title.isEmpty) return;
|
||||
mutation.mutate({
|
||||
"title": title,
|
||||
"body": body,
|
||||
"id": id,
|
||||
}, onData: (data) {
|
||||
// resetting the form
|
||||
titleController.text = "";
|
||||
bodyController.text = "";
|
||||
});
|
||||
},
|
||||
child: const Text("Post"),
|
||||
),
|
||||
const SizedBox(height: 20),
|
||||
if (mutation.hasData) Text("Response\n${mutation.data}")
|
||||
],
|
||||
),
|
||||
);
|
||||
}),
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -1,41 +0,0 @@
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:fl_query/fl_query.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
final jobWithExternalData = QueryJob<String, String>(
|
||||
queryKey: "external_data",
|
||||
cacheTime: const Duration(seconds: 10),
|
||||
task: (queryKey, data, _) {
|
||||
return Future.delayed(const Duration(milliseconds: 500),
|
||||
() => "Hello from $queryKey with $data");
|
||||
});
|
||||
|
||||
class QueryWithExternalData extends StatelessWidget {
|
||||
const QueryWithExternalData({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
appBar: AppBar(),
|
||||
body: QueryBuilder<String, String>(
|
||||
job: jobWithExternalData,
|
||||
externalData: (Random().nextDouble() * 200).toString(),
|
||||
builder: (context, query) {
|
||||
if (query.isLoading || query.isRefetching || !query.hasData) {
|
||||
return const CircularProgressIndicator();
|
||||
}
|
||||
return Container(
|
||||
width: double.parse(query.externalData),
|
||||
height: double.parse(query.externalData),
|
||||
decoration: const BoxDecoration(
|
||||
shape: BoxShape.circle,
|
||||
color: Colors.blue,
|
||||
),
|
||||
child: Text(query.externalData),
|
||||
);
|
||||
},
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user