flutter_provider

Description:

flutter provider

flutter_provider #
Author: Petrus Nguyễn Thái Học #





Flutter generic provider using InheritedWidget. An helper to easily exposes a value using InheritedWidget without having to write one.
Getting Started #
In your flutter project, add the dependency to your pubspec.yaml
dependencies:
...
flutter_provider: <latest_version>
copied to clipboard
Usage #
1. Provide #
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(),
),
);
copied to clipboard
2. Consume #
Provider.of<T>(context);
context.get<T>();
Consumer<T>(builder: (context, T value) { });
copied to clipboard
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()),
],
),
),
);
},
),
);
}
}
copied to clipboard
License #
MIT License

Copyright (c) 2021 Petrus Nguyễn Thái Học
copied to clipboard