I'm encountering an issue in Dart related to class inheritance and constructors. The error message I'm receiving is: error: The class 'PathWithActionHistory' can't extend 'Path' because 'Path' only has factory constructors (no generative constructors), and 'PathWithActionHistory' has at least one…
I want to create a widget that takes a list of widgets (in this case always buttons) and automatically arranges them in a kind of grid depending on the width of the child. When there are 2 Buttons in a…
I do not know how many images I will have, whether there are any methods such as "assets.length" or other ways ListView.builder( itemCount: // here I have to specify how many images I have in my resource file scrollDirection: Axis.horizontal,…
I am migrating to GetX to Bloc, in GetController we don't need BuildContext to call controller, so is there any way to Provide the Context to the bloc class from BlocProvider and we get bloc without providing buildContext like for…
I need to display text and a double in a Text widget but I am getting an error. This should be a simple thing to do. Here is the code: double commission = 0.0; const Text('Commission: ${commission}'), Here is the…
I'm using the BloC pattern for the first time in my App. And I am having multiple of problems with it. For my Question i have a list of boolean ( Checkboxes ) The problem is when I click on…
late DateTime datePicked = DateTime.now(); void showDatePickerForUser() { showDatePicker( context: context, initialDate: DateTime.now(), firstDate: DateTime.now(), lastDate: DateTime.now().add(const Duration(days: 365)), ).then((value) { setState(() { datePicked = value!; }); }); } Container( height: MediaQuery.of(context).size.height * 0.08, width: MediaQuery.of(context).size.width * 0.9, decoration: BoxDecoration(…
I have a flutter app and I'm using bottom navigation bar on this app. I wrote the code of the Bottom Navigation bar, in the separate dart page than import those page , where I want to show the bottom…
The code below is from the article 'Make your first provider/network request' in Riverpod documentation. //activity.dart import 'dart:convert'; import 'package:http/http.dart' as http; import 'package:riverpod_annotation/riverpod_annotation.dart'; import 'activity.dart'; // Necessary for code-generation to work part 'provider.g.dart'; /// This will create a provider…
I want to display the displayName and email from FirebaseAuth on an app screen but when I try to put them into Text() widgets I get an error. Here is the error: The argument type 'String?' can't be assigned to…