Provider Package
Explore how to implement state management in Flutter using the Provider package. Learn to replace setState with a more scalable approach by creating a ChangeNotifier class and using Provider to update child widgets. This lesson helps you manage app state effectively and maintain code simplicity.
We'll cover the following...
Since the provider is a third-party package, we need to install it first.
Add dependency
To add a provider, run the following command in the terminal inside the project folder. This will add the package in pubspec.yaml.
flutter pub add provider
How it works
The provider provides something to its underlying widget. We know that in Flutter we have widget trees that make up our whole UI, so a provider providing something at one node will be known by all of its child widgets. This is the key fundamental in the provider package. And what does it provide? Its actual state or value. ...