riverpod5.dart

riverpod5.dart

var name = StateProvider((_) => "Peter");
var age = StateProvider((_) => 32);

// Combines "name" and "age" to a String
var greeting = Provider<String>((scope) {
  return "Hi! My name is ${scope.watch(name).state} and "
      "I am ${scope.watch(age).state} years old.";
});

// Refines the "greeting" String to a Widget
var greetWidget = Provider<Widget>((scope) {
  // You don't need to access the ".state" property
  // because "greeting" is no StateProvider
  return Text(scope.watch(greeting));
});

// Use everything in Flutter
class SomeWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Consumer(
      builder: (context, watch, _) {
        // You don't need to access the ".state" property
        // because "greetWidget" is no StateProvider
        return Center(child: watch(greetWidget));
      },
    );
  }
}