Chyba trepania mediálneho dotazu
Príklady kódu
MediaQuery.z () volal s kontextom, ktorý neobsahuje MediaQuery.
You need a MaterialApp or a WidgetsApp around your widget. They provide the MediaQuery. When you call .of(context) flutter will always look up the widget tree to find the widget.MediaQuery.z() volaná s kontexte, že neobsahuje MediaQuery.
You need a MaterialApp or a WidgetsApp around your widget. They provide the MediaQuery. When you call .of(context) flutter will always look up the widget tree to find the widget.chyba trepania mediálneho dotazu
void main() => runApp(App());
class App extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Title',
theme: kThemeData,
home: HomePage(),
);
}
}
class HomePage extends StatelessWidget {
@override
Widget build(BuildContext context) {
final size = MediaQuery.of(context).size;
return Container(
child: ...,
);
}
}Podobné stránky
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