WebSep 17, 2024 · 2 Answers. You can use navigator key to access current context from anywhere. You have to create global key and pass it to material app. //create key final navigatorKey = new GlobalKey (); //pass it to material app Widget build (BuildContext context) { return ProviderScope ( child: MaterialApp ( navigatorKey: … Web8. If you absolutely must do it like this, you can get MediaQuery data directly from the low-level window object like this: final brightness = MediaQueryData.fromWindow (WidgetsBinding.instance.window).platformBrightness; However, I would strongly recommend you consider that if you need access to MediaQuery from within your bloc, …
flutter - Theme.of(context) as const - Stack Overflow
WebJul 12, 2024 · I myself found quite instructive to explore the Flutter documentation by simply (Android Studio) setting the cursor on a piece of code (Flutter class, method, etc.) and pressing ctrl+B to be shown the documentation for that specific piece. The particular problem you are facing is mentioned in the docu for BuildContext, where can be read WebOct 29, 2024 · Step 2: Create a ThemeMode variable inside _MyAppState and provide the initial theme! Now, create a variable that will set the theme to light or dark and set the … iphone 12 pro repair costs
flutter - Scaffold.of() called with a context that does not contain a ...
WebApr 14, 2024 · You'll see the // application has a blue toolbar. Then, without quitting the app, try // changing the primarySwatch below to Colors.green and then invoke // "hot reload" (press "r" in the console where you ran "flutter run", // or simply save your changes to "hot reload" in a Flutter IDE). // Notice that the counter didn't reset back to zero ... WebMar 26, 2024 · 1. I think you could replace static ThemeData get lightTheme by a static method that takes a BuildContext parameter instead, Something like: class ThemeProvider extends ChangeNotifier { ThemeMode currentTheme = ThemeMode.system; bool get isDarkMode => currentTheme == ThemeMode.dark; void toggleTheme ( {required bool … WebNov 4, 2024 · I have a function that builds a widget to be able to reuse it, and in that function I want to set the text theme. My problem is that to do that I need to access the BuildContext to do so. The only way I can think of is to pass it as a parameter in every function call, but it feels like there must be a simpler method. iphone 12 pro refurbished amazon