inherited_stream

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inherited_stream

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An inherited widget for Streams, which updates its dependencies when the stream emits data.

inherited_stream 최신버젼 다운로드

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// repository documentation

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# Inherited Stream

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[![License: MIT](https://img.shields.io/badge/license-MIT-purple.svg)](https://opensource.org/licenses/MIT)

An InheritedWidget for Streams, which updates its dependencies when the Stream emits.

## Usage

### Create an InheritedStream

```dart
class ProgressModel extends InheritedStream<ValueStream<double>> {
  const ProgressModel({
    Key? key,
    required ValueStream<double> stream,
    required Widget child,
  }) : super(key: key, stream: stream, child: child);

static double of(BuildContext context) {
    return context
        .dependOnInheritedWidgetOfExactType<ProgressModel>()!
        .stream
        .value!;
  }
}
```

### Insert into the Widget Tree

```dart
class _MyState extends State<MyPage> {
  final _subject = BehaviorSubject<double>.seeded(0.0);

@override
  void dispose() {
    _subject.close();
    super.dispose();
  }

@override
  Widget build(BuildContext context) {
    return Scaffold(
      body: ProgressModel(
        stream: _subject.stream,
        child: Progress(),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () => _subject.add(Random.nextDouble()),
      ),
    );
  }
}
```

### Register Dependant(s)

```dart
class Progress extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return CircularProgressIndicator(value: ProgressModel.of(context));
  }
}
```

inherited_stream

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inherited_stream

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