I recently added Flutter Flavors to my Flutter project because I wanted production, staging, and development environments. I also wanted different Firebase projects for each flavor so I created a config folder with their own each individual folder for each…
I'm using the json decoder on a List<List<int?>> json, and I'm having trouble converting the List<dynamic> to the List<List<int?>> I'd like to end up with. Is there a simple way to do this? final jsonString = await rootBundle.loadString('lib/Permutations/$filename.json'); final jsonData…
It always appears error below when I run the code. Could anyone give an advice? Thanks. Error: Not a constant expression. page.dart MyButton(text: 'Get Started',onTap: (){Navigator.pushNamed(context,'/menupage');},), button.dart class MyButton extends StatelessWidget {final String text;final void Function()? onTap; const MyButton({super.key,required this.text,required…
@override void initState() { final Future<bool> is_initialized = IsInitialized(); if (is_initialized == false) { GenerateDefaultPreferences(); Navigator.push(context, MaterialPageRoute(builder: (context) => LanguageSelection())); //? } else { SynchronizeDLIfSet(); } } This is in my stateless widget. How can I navigate inside an initState()…
I have been trying to create an horizontal TouchedSpotIndicator on my FlChart in flutter and I want it to stay permanently(not just to be visible when chart is touched) Similar to the effect of the current price in trading apps…
I'm new to flutter development, at starting everything was well and good, but now everytime i run apy app i'm getting the following error. Please show me some ways to fix it. C:/Users/Admin/AppData/Local/Pub/Cache/hosted/pub.dev/material_color_utilities-0.8.0/lib/palettes/tonal_palette.dart:164:30: Error: The argument type 'double?' can't be…
I am trying to create a class to display a movie title and poster in a card. I am using the TMDB API. here are my dart files- movie.dart class Movie{ String mtitle; String mposter; Movie({required this.mtitle, required this.mposter}); }…
I am working on a flutter app with banking numbers, and therefore only needs two decimal numbers. Is there a way to round every number automatically in my whole project at once ? The idea is to not use amount.toStringAsFixed(2)…
I'm refactoring some of my blocs down to cubits and I'm struggling with an unexpected behavior. Widget @override Widget build(BuildContext context) { return BlocProvider( create: (context) => injector.get<DocumentListCubit>()..load(), child: BlocConsumer<DocumentListCubit, DocumentListState2>( listener: (context, state) { context.read<GlobalBusyIndicatorCubit>().busy = state.phase == DocumentListState2Enum.loading;…
I recently updated Android Studio Koala and Dart plugin to latest version and started running my Flutter project. It showed this error: Execution failed for task ':app:compileFlutterBuildDebug'. > A problem occurred starting process 'command '/Users/..../development/flutter/bin/flutter'' About Android Studio: Android Studio…