Flutter – Empty object in Dart
While reading bloc plugin document, I encountered this code. My question is why do we need the empty static class here. If we want to check null, we alread have the null check ? feature.
Flutter – Rebuilding issue when I declare MediaQuery within the build function
import 'package:bug_fix/home_screen.dart'; import 'package:flutter/material.dart'; void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({super.key}); @OverRide Widget build(BuildContext context) { return const MaterialApp( home: HomeScreen(), ); } } import 'dart:developer'; import 'package:flutter/material.dart'; class HomeScreen extends StatelessWidget { const…
Flutter – UnsupportedError (Unsupported operation: Loaded ObjectBox core dynamic library has unsupported version 0.18.1, expected ^0.19.0)
I get this exception at the startup of the app. UnsupportedError (Unsupported operation: Loaded ObjectBox core dynamic library has unsupported version 0.18.1, expected ^0.19.0) Flutter 3.15.0-15.2.pre • channel beta • https://github.com/flutter/flutter.git Framework • revision 0d074ced6c (3 hours ago) • 2023-09-21…
Flutter – Need to import/use different libraries/packages for different platforms. Possible?
I am trying to create a dart package/plugin that can be used by an example dart app that runs on Android, iOS, and the web. The problem is that one of the packages that I want to use (I'll call…
Trying to use Build Context across async gaps in flutter
I am trying to build a chat app, and have this class called ChatBubble. This also has the ability to have category from a list of topics. Here is my code: class _ChatBubbleState extends State<ChatBubble> { final topicsDb = TopicsDatabase();…
Flutter, Having issues parsing a json Model resulting in an empty array
This is my api calling logic. using this function in getx Controller. Calling a get API. I am parsing the "Accommodation" Model in my function and seem to get an empty array. I can assure the api is being called…
Global widget styling in Flutter
So I started working with Flutter again and back in the day there was no way to actually globally style your controls, there is a sort of messy way I guess you could say where you create const styles something…
Flutter – Error: Method invocation is not a constant expression on ElevatedButton.styleFrom
So, I was just checking out the Buttons docs and trying to create an elevated button, a very basic thing and I followed the guide here to create a basic elevated button. But now I am getting an error on…
Flutter – How can I allow a single space in a regex in Dart but allow other characters to be 1 or more?
I've looked through tons of stuff and all point to just add a space in the regex but it doesn't work for me, can you explain why and how can I make it work? Right now the expression I am…
Flutter – How to make all variables not required in json serializable
In json_serialization when i use the annotation @JsonKey(required: false), i am able to make a variable nullable, but then i have to annote all variables with this, it there a way to make this this general for a class, so…