final foo = Foo(); final bar1 = Bar1(); Providers( providers: [ Provider<Bar1>.value( bar1, disposer: (v) => v.dispose(), ), Provider<Bar2>.factory( (context) => Bar2(), disposer: (v) => v.dispose(), ), ], child: Provider<Foo>.value( foo, disposer: (v) => v.dispose(), child: const HomePage(), ), );

Provider.of<T>(context); context.get<T>(); Consumer<T>(builder: (context, T value) { });

class HomePage extends StatelessWidget { const HomePage({Key? key}) : super(key: key); @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('Flutter provider example'), ), body: Consumer3<Foo, Bar1, Bar2>( builder: (BuildContext context, Foo a, Bar1 b, Bar2 c) { return Container( constraints: BoxConstraints.expand(), child: Center( child: Column( mainAxisSize: MainAxisSize.max, mainAxisAlignment: MainAxisAlignment.center, crossAxisAlignment: CrossAxisAlignment.center, children: <Widget>[ Text(a.foo()), Text(b.bar1()), Text(c.bar2()), ], ), ), ); }, ), ); } }