I'm a bit stuck trying to implement futurebuilder in my main app (I have successfully used it elsewhere and I am struggling to get my head around what I am doing differently). I have recreated the problem I have below…
class AuthGate extends StatelessWidget { const AuthGate({super.key}); @override Widget build(BuildContext context) { final AuthService authService = AuthService(); final userProvider = context.read<UserProvider>(); WidgetsBinding.instance.addPostFrameCallback((_) async { await authService.getUserData(context: context); if (userProvider.userModel.token.isNotEmpty) { context.go(AppRouterName.homeView.path); } else { context.go(AppRouterName.signInView.path); } }); return const Scaffold(…
List<Image> convertToImgList(Future<List<Image>> listimg) { var li = listimg.asStream(); Future<int> future = listimg.asStream().length; return images; } Hi, I want to convert Future List Image to List Image in flutter. Anyone knows how it can be done?
I have two showModalBottomSheet(). In the First modalSheet there is a IconButton(). When the IconButton tapped, The First sheet should be closed and after 2 seconds the second modalSheet should be opened. When I use the Future.delay function between the…
I'm starting to get pretty frustrated with Dart's async ... All I want is lazily load some value and assign it to a property in my class: Future<String> getMeSomeBar() async => "bar"; class Foo { late String bar = await…
I'm working with Flutter's FutureBuilder and came across a pattern where both snapshot.hasData and snapshot.data != null are checked before rendering a widget: FutureBuilder( future: future, builder: (BuildContext context, AsyncSnapshot snapshot) { if (snapshot.hasData && snapshot.data != null) { return…
I'm trying to optimize the running time of my C++ code by utilizing multiple threads. I have tried a few different solutions. I have this code using boost: #include <iostream> #include <vector> #include <chrono> #include <atomic> #include <thread> #include <boost/asio.hpp>…
I dont know what is happening in this portion of code: Future fnct() { print("inside fnct()"); return Future.delayed(Duration(seconds:4),()=>"hello"); } Future fnct2() async { fnct().then((x){ print("inside then()"); }); here, this code works perfectly fine even without use of await keyword .…
class _WorterBuchState extends State<WorterBuch> with TickerProviderStateMixin { var wordPair= '' ; @override void initState(){ super.initState(); load(); } Future<void> load() async{ SharedPreferences prefs = await SharedPreferences.getInstance(); prefs.setString('key', 'value'); wordPair = await "key : " + (prefs.getString('key') as String); } @override Widget…
I'm currently new to Flutter and Dart. I have functions that need to be finished before another function is executed. Is it reasonable to use Future Delayed to delay that specific function? Is there another method of doing it? The…