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jonataslaw/getx

11,175DartAudience · developerComplexity · 2/5Setup · easy

TLDR

GetX is a Flutter package that adds state management, screen navigation, and dependency injection to your mobile app without requiring the usual context object to be passed around everywhere.

Mindmap

mindmap
  root((repo))
    What it does
      State management
      Screen navigation
      Dependency injection
    Key features
      No context needed
      HTTP client built in
      Internationalization
    Audience
      Flutter developers
      Mobile app builders
    Setup
      Add pubspec.yaml line
      Wrap with GetMaterialApp
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Code map

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Things people build with this

USE CASE 1

Add reactive state management to a Flutter app so the UI updates automatically when data changes.

USE CASE 2

Navigate between screens and show dialogs or snackbars without passing a context object through your code.

USE CASE 3

Manage app-wide dependencies so objects are created on demand and cleaned up automatically when no longer needed.

USE CASE 4

Build a multi-language Flutter app using GetX's built-in internationalization and theme-switching support.

Tech stack

DartFlutter

Getting it running

Difficulty · easy Time to first run · 30min

In plain English

GetX is a Flutter package written in Dart that combines three things developers building mobile apps frequently need: state management, navigation between screens, and dependency injection. Flutter is a toolkit for building cross-platform apps, and by default it requires you to pass a "context" object through your code whenever you want to navigate to a new screen or access shared data. GetX removes that requirement, letting you open screens, show dialogs, display snackbars, and access controllers from anywhere in your code without threading context through every function. The three main features are described as state management, route management, and dependency management. State management means tracking data that changes over time and updating the UI automatically when it does. GetX offers two flavors: a simpler approach using reactive variables that the UI watches, and a more manual approach for cases where you want explicit control. Route management means navigating between screens without needing the widget tree context. Dependency management means organizing the objects your app depends on so they are created when needed and cleaned up when no longer in use, which happens automatically by default. GetX also includes a set of utilities: a built-in HTTP client for making network requests, internationalization support for translating your app into multiple languages, theme switching, and middleware for intercepting navigation events. The README is translated into over a dozen languages, which reflects the size and international spread of its user base. Installation is through the pub.dev package registry, the standard package system for Dart and Flutter projects. You add one line to your pubspec.yaml file, run the install command, and then wrap your app's root widget with GetMaterialApp instead of the default MaterialApp. The project has over 11,000 stars and a community across Discord, Slack, and Telegram. The full README is longer than what was shown.

Copy-paste prompts

Prompt 1
I'm building a Flutter app. Show me how to use GetX to manage a counter state reactively and update the UI without setState.
Prompt 2
Using GetX, how do I navigate from one screen to another and pass data between them without using BuildContext?
Prompt 3
I want to set up dependency injection in my Flutter app with GetX so my API service is created once and shared everywhere. Show me how.
Prompt 4
Write a Flutter login flow using GetX for navigation, state management, and storing the auth token, no context passing allowed.
Prompt 5
How do I add internationalization to a Flutter app with GetX so I can switch between English and Spanish at runtime?
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