flutter provider without context
class MyState extends State<T> {
MyModel model = MyModel();
@override
void didChangeDependencies() {
super.didChangeDependencies();
model.valueThatComesFromAProvider = Provider.of<MyDependency>(context);
}
}Navigator context flutter
final navigatorKey = GlobalKey<NavigatorState>();
void main() => runApp(
MaterialApp(
home: HomePage(),
navigatorKey: navigatorKey, // Setting a global key for navigator
),
);
class HomePage extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(),
body: SafeArea(
child: Center(
child: Text('test')
)
),
floatingActionButton: FloatingActionButton(
onPressed: showMyDialog, // Calling the function without providing it BuildContext
),
);
}
}
void showMyDialog() {
showDialog(
context: navigatorKey.currentContext,
builder: (context) => Center(
child: Material(
color: Colors.transparent,
child: Text('Hello'),
),
)
);
}Copyright © 2021 Codeinu
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