Introduction to go_router package in Flutter

Flutter provides a powerful and flexible routing system with its Navigator and PageRoute classes. However, as your app grows in complexity, managing navigation can become challenging. That’s where the go_router package comes in.

go_router is a declarative routing package for Flutter that uses the Router API to provide a convenient, URL-based API for navigating between different screens ¹. With go_router, you can define URL patterns, navigate using a URL, handle deep links, and more.

In this article, we’ll take a closer look at the go_router package and show you how to use it in your Flutter app.

Features of go_router

go_router has several features that make navigation straightforward:

• Parsing path and query parameters using a template syntax (for example, “user/:id”)
• Displaying multiple screens for a destination (sub-routes)
• Redirection support – you can re-route the user to a different URL based on application state
• Support for multiple Navigators via ShellRoute
• Support for both Material and Cupertino apps
• Backwards-compatibility with Navigator API ¹

Getting started with go_router

To get started with go_router, you’ll need to add it as a dependency to your project. You can do this by adding the following line to your pubspec.yaml file:

Copied!dependencies:
  go_router: ^7.1.1
dependencies:
  go_router: ^7.1.1

Once you’ve added the dependency, you can start using go_router in your app.

Conclusion

In conclusion, go_router is a powerful and flexible routing package for Flutter that makes it easy to manage navigation in your app. With its convenient URL-based API and support for deep links and multiple Navigators, go_router is definitely worth checking out.