Created
June 13, 2021 21:04
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relation error ValueStream has no value.
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import 'package:flutter/material.dart'; | |
import 'package:relation/relation.dart'; | |
import 'package:rxdart/rxdart.dart'; | |
void main() { | |
runApp(MyHomePage()); | |
} | |
class MyHomePage extends StatefulWidget { | |
@override | |
_MyHomePageState createState() => _MyHomePageState(); | |
} | |
class _MyHomePageState extends State<MyHomePage> { | |
late StreamedState<bool> streamedState; | |
final BehaviorSubject<bool> subj = BehaviorSubject.seeded(true); | |
@override | |
void initState() { | |
super.initState(); | |
streamedState = StreamedState.from(subj.stream); | |
} | |
@override | |
Widget build(BuildContext context) { | |
return MaterialApp( | |
home: Scaffold( | |
body: Center( | |
child: StreamedStateBuilder<bool>( | |
streamedState: streamedState, | |
builder: (context, val) => Text('$val'), | |
), | |
), | |
), | |
); | |
} | |
} |
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