rrousselgit/riverpod

★ 7,256DartAudience · developerComplexity · 3/5Setup · moderate

Mindmap

mindmap
  root((riverpod))
    What it does
      Manage app state
      Fetch and cache data
      Auto loading states
    Core Concepts
      Providers
      Annotated functions
      Widget notifications
    Benefits
      No try-catch boilerplate
      Compile-time safety
      Testable state
    Audience
      Flutter developers
      Dart app builders

mindmap root((riverpod)) What it does Manage app state Fetch and cache data Auto loading states Core Concepts Providers Annotated functions Widget notifications Benefits No try-catch boilerplate Compile-time safety Testable state Audience Flutter developers Dart app builders

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Things people build with this

USE CASE 1

Build a Flutter app that fetches API data and automatically shows loading and error states without manual setState calls

USE CASE 2

Share state between unrelated screens in a Flutter app without threading it through the widget tree

USE CASE 3

Write isolated unit tests for data fetching logic without spinning up Flutter widgets

Tech stack

DartFlutter

Getting it running

Difficulty · moderate Time to first run · 30min

Requires Flutter SDK installed and familiarity with adding packages via pubspec.yaml.

License not mentioned in the explanation.

In plain English

Riverpod is a framework for Flutter and Dart applications that handles how your app stores, fetches, and shares data. Flutter is a toolkit for building mobile and desktop apps using the Dart programming language. When you build an app, you often need to fetch data from the internet, share that data across different screens, and handle cases where the data is still loading or where a network request failed. Riverpod provides a structured way to do all of this without scattering that logic throughout your UI code. The core idea is that you define your data sources, called providers, as annotated functions. Riverpod then manages when those functions run, caches their results, and automatically notifies any part of your UI that depends on them whenever the data changes. If a network request is loading, Riverpod gives you the loading state. If it fails, you get the error state. You do not need to write manual try-catch blocks or loading flags scattered through your widgets. Riverpod is an anagram of Provider, which is an older Flutter state management package by the same author. Riverpod was written to address design limitations in that earlier package, particularly around testability and compile-time safety. Unlike the predecessor, Riverpod does not rely on the widget tree for accessing state, which makes it easier to write tests and share state between parts of the app that are not directly related in the UI hierarchy. The package comes in three variants: a plain Dart version, a Flutter-specific version, and a version that integrates with Flutter Hooks. Full documentation lives at riverpod.dev. The README is brief and points there for anything beyond the basic usage example.

Copy-paste prompts

Prompt 1

I'm building a Flutter app that fetches a list of users from a REST API. Show me how to define a Riverpod provider that handles loading, success, and error states and display them in a widget.

Prompt 2

Using Riverpod, write a provider that fetches posts from an API and caches the result so navigating back to the screen doesn't trigger a new network request.

Prompt 3

How do I unit test a Riverpod AsyncNotifierProvider in isolation without a Flutter widget tree? Show me a complete test example with mocking.

Prompt 4

Convert this Flutter StatefulWidget that manually calls setState inside an API fetch into a Riverpod ConsumerWidget with proper loading and error handling.

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