Why does not "await" work? Future<void> f1() async{ Future.delayed(Duration(seconds:2), (){ print('f1'); }); } void main() async{ print('start'); await f1(); print('end'); } output start end f1 but await working in next code. Future<void> f1() async{ return Future.delayed(Duration(seconds:2), (){ print('f1'); }); }…
I am trying to add time and days to a couple DateTime values in the add_2_calendar flutter package. This is the documentation for the package: https://pub.dev/packages/add_2_calendar/example Here is the code I am trying to implement: class AddEventsToAllCalendars { addEvent(Events event)…
I passed arguments to next page, and I'm trying to fetch other data using arguments in flutter. I'm using supabase, the data I'm trying to fetch is thumbNailUrl. Navigator.of(context).pushNamed( '/postScreen', arguments: postId, ); post_id(int) thumbNailUrl(String) ~~~ ~~~ But I cannot…
In my app, I specified a light and dark theme. I want to create a button that is white on dark theme and black on light theme. Is there a way to get those colors conditionally like Theme.of(context).somethingHere? class _MainState…
I'm trying to pass data to a flutter user interface from the open weather API. I think it has something to do with where I am initializing the city name variable as it gets rebuilt every time I refresh the…
In Dart/Flutter, using the supabase package, I'm trying to decode the data I receive for example from the following code: final data = await supabase .from('countries') .select(''' name, cities ( name ) '''); How do I do that? Can anyone…
Dart flutter: jsonDecode() parse a list of string to List<dynamic>. e.g. { name: 'John', hobbies: ['run', 'swim'] } The hobbies is parsed to be a List<dynamic> with 2 items (of type String). should it be a List<String>?
I want to change the font of the labelText with a Google Font. I already imported the package for Google Fonts. Here is the code below: TextFormField( labelText: 'Label Text', labelStyle: TextStyle( color: Colors.black, letterSpacing: 1.3, fontFamily: GoogleFonts.openSans().fontFamily, ), ),…
I have slightly strange issue (I am probably missing something) I decided to iterate over element tree in Flutter and had the following question: if (element.widget.runtimeType == GestureDetector) { print('return true1'); } if (element.widget.runtimeType is GestureDetector) { print('return true2'); }…
I have a problem with my flutter app. When I run and use the login feature, it display: PlatformException (PlatformException(channel-error, Unable to establish connection on channel., null, null)). The flow: Sign in Button -> login_controller -> AuthenticationRepository. Click here for…