Improper handling of navigation stacks or mixing multiple navigator APIs (like Navigator.push vs GoRouter) can lead to unexpected transitions or app freezes.

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What are the Common Mistakes?

  • Using multiple MaterialApp instances (each creates its own Navigator stack)
  • Pushing routes from async functions without checking mounted
  • Misconfigured routes, onGenerateRoute, or conflicting routing packages

Best Practices:

  • Use only one MaterialApp at the root of your app
  • Prefer declarative navigation (e.g. go_router) for large apps
  • Always check mounted before navigation from async methods

dart:

if (mounted) { Navigator.of(context).push(MaterialPageRoute(builder: (_) => NextPage()));
}

For scalable routing, use go_router or auto_route with named routes and deep linking support.