I am tryiong to display a list of events a user has registered for in a flutter app but i keep getting this error even though I am following the tuorial closely. I believe the error might be in the…
I was wondering what is the best choice regarding performances and code mainteanability when creating Column or Row widgets. For example, what is the best option: Column( children: [ MyWidget( ... ), const SizedBox(height: 20), MyOtherWidget( ... ), ], ),…
In this example I have 3 sliders, dragging one slider should update the secondary track of all the sliders This however does not work when the sliders are wrapped with a ListView, notice how the top two tracks do not…
Project structure I have the next Widget, which uses a StreamBuilder to listen a draw a List. (I've omited irrelevant details) class CloseUsersFromStream extends StatelessWidget { final Stream<List<User>> _stream; const CloseUsersFromStream(this._stream); @override Widget build(BuildContext context) { return StreamBuilder<List<User>>( stream: _stream,…
I have a Hive box to save an object class, which is InappPengguna to save user info that would be in use for offline auto login. The value of InappPengguna.status is UserStatus.loggedinSuccessfully which generated from Login Page. Then at Home…
I am trying to create a signature in Dart using secp256k1. But I am generating different signature as compared to javascript. JavaScript Method as follows: import * as secp from "@noble/secp256k1"; const signature = await secp.sign(msgHash, hashingPrivateKey, { der: false,…
I get the following error: Error: The argument type 'Future<void> Function({bool success})' can't be assigned to the parameter type 'void Function({bool success})' because 'Future<void> Function({bool success})' is nullable and 'void Function({bool success})' isn't. when trying to use my callback. I…
It worked before, but now it gives this error. What can I do? class HomeScreen extends StatelessWidget { @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( backgroundColor: Colors.blue, title: Text("SHOP 1!"), // обернуть в padding и задать местоположение ),…
I'm facing this very weird and primitive issue, I'm trying to figure it out but not able to. I've designed an abstract class in following manner abstract class BaseStatelessWidget<T extends BaseStore> extends StatelessWidget with RouteAware { late final T childStore;…
please help me I want to show image in listview constructor, image name i stored in database. My image file is stored in Folders Pictures. I retrieve the image to display in the listview builder but the image is not…