49 lines
1.3 KiB
Dart
49 lines
1.3 KiB
Dart
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:riverpod_annotation/riverpod_annotation.dart';
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import '../widgets/simples/random.dart';
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part 'gt.g.dart';
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// We create a "provider", which will store a value (here "Hello world").
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// By using a provider, this allows us to mock/override the value exposed.
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@riverpod
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String helloWorld(HelloWorldRef ref) {
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return 'Hello world';
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}
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void main() {
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runApp(
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// For widgets to be able to read providers, we need to wrap the entire
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// application in a "ProviderScope" widget.
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// This is where the state of our providers will be stored.
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ProviderScope(
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child: MyApp(),
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),
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);
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}
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// Extend ConsumerWidget instead of StatelessWidget, which is exposed by Riverpod
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class MyApp extends ConsumerWidget {
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final String value = ref.watch(helloWorldProvider);
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return MaterialApp(
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home: Scaffold(
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appBar: AppBar(title: const Text('Example')),
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body: Center(
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child: Column(
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children: <Widget>[
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Expanded(child: Text('1')),
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Expanded(child: Text(value)),
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Expanded(child: RandomWidget())
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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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