Breaking News: Grepper is joining You.com. Read the official announcement!

riverpod

Sleepy Seahorse answered on July 3, 2023 Popularity 6/10 Helpfulness 3/10

answer riverpod

related riverpod

riverpod

Comment

// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

// This is a reimplementation of the default Flutter application
// using riverpod.
void main() {
  runApp(
    // Adding ProviderScope enables Riverpod for the entire project
    const ProviderScope(child: MyApp()),
  );
}

/// Providers are declared globally and specify how to create a state
final counterProvider = StateProvider((ref) => 0);

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(
        colorSchemeSeed: Colors.blue,
        useMaterial3: true,
      ),
      home: const MyHomePage(),
    );
  }
}

class MyHomePage extends ConsumerWidget {
  const MyHomePage({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Riverpod example'),
      ),
      body: Center(
        child: Column(
          mainAxisSize: MainAxisSize.min,
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text('You have pushed the button this many times:'),
            Consumer(
              builder: (context, ref, _) {
                final count = ref.watch(counterProvider);
                return Text(
                  '$count',
                  key: const Key('counterState'),
                  style: Theme.of(context).textTheme.headlineMedium,
                );
              },
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        key: const Key('increment_floatingActionButton'),
        // The read method is a utility to read a provider without listening to it
        onPressed: () => ref.read(counterProvider.notifier).state++,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ),
    );
  }
}

Popularity 6/10 Helpfulness 3/10 Language cpp

Source: dartpad.dev

Tags: c++ riverpod

Link to this answer
Share Copy Link

Contributed on Sep 22 2023

Sleepy Seahorse

0 Answers Avg Quality 2/10

Closely Related Answers

riverpod

Comment

flutter pub add flutter_riverpod

Popularity 7/10 Helpfulness 1/10 Language whatever

Source: pub.dev

Tags: riverpod whatever

Link to this answer
Share Copy Link

Contributed on Jul 03 2023

Rahul Sarkar

0 Answers Avg Quality 2/10

riverpod

Contents

More Related Answers

riverpod

Closely Related Answers

riverpod

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.