How do you implement dependency injection in Flutter?

Dependency injection in Flutter helps manage dependencies and improve code modularity.

To implement it, you can use packages like provider or get_it. Here’s a step-by-step approach using provider:

1. Add provider to your pubspec.yaml.
2. Create a model class that holds your app's state.
3. Wrap your app with ChangeNotifierProvider to provide the model.

Example:

ChangeNotifierProvider( create: (context) => MyModel(), child: MyApp() );

This structure allows widgets to access the model and react to changes seamlessly.