dart Questions

Flutter – List not updating after item added

December 11, 2023
John Joe
2 Answers

I want to add item in list when floatingAction button is clicked. class EditAgentVehiclesListScreen extends HookWidget { final ValueNotifier<List<VehicleItems>> list; const EditAgentVehiclesListScreen(this.list, {super.key}); @override Widget build(BuildContext context) { return Scaffold( floatingActionButton: FloatingActionButton( backgroundColor: AppTheme.light.colorScheme.primary, onPressed: () { Navigator.pushNamed(context, TenancyRoutes.createVehicleItemsScreen) .then(((onValue)…

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How can I get PID(process id) of window/tab I'm currently active in Flutter windows application?

December 11, 2023
Sharif Ahamed
2 Answers

import 'dart:io' ... print(pid); This code print the pid of my Flutter application. But I want to get the other apps' pid when I switch on that app. Suppose, I am now on skype app. So this print(pid) will print…

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Flutter list getting sync between screens

December 10, 2023
Ivan Roldan
2 Answers

I have a list on Screen A I Navigate to Screen B passing list on Screen A and modify few fields in the list in Screen B And I press back. Then the Screen A list is also getting updated.…

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How to avoid render box errors while using flexible around text in flutter?

December 10, 2023
LenaLuthor
2 Answers

whenever I use Expanded or Flexible in anyway on this Widget buildRadioButton(String label, String value, String? groupValue, Function(String?) onChanged) { return Row( children: [ Radio( value: value, groupValue: groupValue, onChanged: onChanged, activeColor: Theme.of(context).colorScheme.onBackground, fillColor: MaterialStateColor.resolveWith( (states) { if (states.contains(MaterialState.selected)) {…

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Flutter – Should we separate bloc for many functionality?

December 9, 2023
CCP
2 Answers

hello i want to ask what's better to structured bloc, in my case i have screen to show all jobs, favorite the job and the other screen can create job. Should i create only one bloc or separate bloc for…

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Flutter – The entered value of TextFormFied disappears when navigating to another page and coming back

December 9, 2023
user8
2 Answers

I want the TextFormFied value to persist even when navigating to another page and coming back. I think it can be achieved by using Provider. but don't know how to update the controller with the proivder class instance variable. Here…

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Flutter – Free API for converting entire app to different language

December 9, 2023
LostTexan
2 Answers

I am looking for a free API similar to Google Translate that I can integrate into my Flutter app to convert the entire app to a new language. I am thinking about maybe converting from English to Spanish or Portuguese.…

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Listview builder scroll list automatically when inserting data – flutter

December 9, 2023
Dipak Ramoliya
2 Answers

I am developing one chat app and I am adding data to chatList which is the list of model and I am getting the newest data from the backend like when I call API it will give the last message…

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Flutter – How to fix this in my response model: [Expected value of type 'Map<dynamic, dynamic>', but got value of type 'null']

December 9, 2023
Amin
2 Answers

My problem I have a model in which I read JSON responses but I get this problem and i tried used stop the nulls but it doesn't work. My solution I used the nullable type but I get still this…

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Error while initializing Firebase for my Flutter app

December 9, 2023
Suraj Raghuvanshi
2 Answers

I am trying to connect my app to firebase, It ran fine until I changed my main.dart files's to Future main() async { WidgetsFlutterBinding.ensureInitialized(); await Firebase.initializeApp(); runApp(MyApp()); } Please help, I am stuck here since 3 days I've tried reconnecting…

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