We are trying to upgrade our flutter project to null safety migration using the following link https://dart.dev/null-safety/migration-guide. dart pub outdated --mode=null-safety - Successful dart pub get - Successful Migrate your code by hand- https://dart.dev/null-safety/migration-guide#migrating-by-hand - Successful dart migrate - Successful…
I want to create a similar design to this one, where the user can create a note and then this note will be displayed into the screen and the widget that holds this notes must expend the space of the…
I have a class & enum that looks like this enum UnitsOfMeasurement { meters, feet, inches, centimeters, millimeters, } class MyMaterial { final double height; final UnitsOfMeasurement unitOfMeasurement; MyMaterial({required this.height, required this.unitOfMeasurement}); } The user can change the unit of…
In the beginning, I had an error that states: "Dart library 'dart:ui' is not available on this platform". I'm running it on Android which is supported by flutter, so I made sure that I have the latest version of Flutter…
I am trying to make a simple android application with flutter and dart.While coding for the registration page I didnt find error in the file but file name reflects in red. I tried changing the file name to camel case…
Question in dart: How can I convert a String like this: "[137, 80, 78, 71, 13, 10, 26, 10]" to type List<Int> Thanks
I want to update data by Id, I have userId, name and all details, if I want to change any user details based on user Id so I'm not able to update data and I am getting values above the…
I want to try put TextFormField in the row expanded widget, but I can't seem to put TextFormField anywhere there Column( children: [ ListTile( title: Text('Full Name'), subtitle: TextFormField( decoration: const InputDecoration( border: OutlineInputBorder( borderRadius: BorderRadius.all(Radius.circular(8))), hintText: 'Full Name', ),…
Even after setting the state of Riverpod stateNotifierProvider, the state is null when used in the widget. I have this provider final imageNotifierProvider = StateNotifierProvider.autoDispose<ImageNotifier, FilePickerResult?>( (ref) => ImageNotifier()); class ImageNotifier extends StateNotifier<FilePickerResult?> { ImageNotifier() : super(null); void addImage(FilePickerResult result)…
class Counter with ChangeNotifier { int justdoit() { for (var i = 0; i < orderUp.length; i++) { tempList.add(orderUp[i].selectVar.amount); } int count = tempList.fold(0, (previousValue, element) => previousValue + element); return count; } } The provider is supposed to get…