UseStateBuilder

Builder widget for using state.

class MyHomePage extends StatelessWidget {
  final String title;

  MyHomePage({this.title});

  @override
  Widget build(BuildContext context) {
    return UseStateBuilder(
      builder: (context, useState) {
        ValueNotifier<int> counter = useState(0);

        return Scaffold(
          appBar: AppBar(
            title: Text(title),
          ),
          body: Center(
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: <Widget>[
                Text(
                  'You have pushed the button this many times:',
                ),
                Text(
                  '${counter.value}',
                  style: Theme.of(context).textTheme.display1,
                ),
              ],
            ),
          ),
          floatingActionButton: FloatingActionButton(
            onPressed: () {
              counter.value++;
            },
            tooltip: 'Increment',
            child: Icon(Icons.add),
          ),
        );
      },
    );
  }
}