After upgrading flutter with flutter upgrade to 3.10 All my (previously working) Futures stopped working. Every single future is underlined with red saying "Future isn't a type". What can...

i used image_picker package in my app and it works fine for one image but now i want to use it for multiple images and store them in an array as File. any idea could be greate.

Feature for deserializing Generic Classes was introduced to freeze a few months back. I am trying to follow the documentation, but I am facing a compile time error: The argument type 'NameOfClass F...

What is the difference between: class A {} class B with A{} and mixin A{} class B with A{} ?

flutter run ../../../../Documents/FlutterSoftware/flutter/packages/flutter/lib/src/material/animated_icons/data/list_view.g.dart:3132:13: Error: Method not found: 'Offset'. Offset(42.17915438835...

I saw this as part of the logs generated by Gradle when building an app in release mode in flutter. Does this have any side effects on the overall app?

I was working on a project and wanted to add the difference in DateTime in terms of minutes, hours, days, weeks, months and years. I was able to get in minutes up to days. e.g. DateTime.now().diff...

I have a ListView with some items, but my problem is that the item inside the ListView will expand through the all-screen width, and I tried to use SizedBox and Container but it doesn't work for me...

I am currently working on flutter. I am using stack for stack 2 widgets. But i have some problems. This is what I am trying to do. But my widgets look like this. That's my code: class UpcomingSes...

What's the difference between Thread, Isolate and a Process in Dart? As far as I know Dart is a single-threaded language, but it can spawn many isolates which don't share memories with each other a...

I have private dependency from GitLab in my Flutter mobile app project. It is specified in pubspec.yaml with git repository link and I can successfully run pub get if I use ssh for it (I have gener...

I'm trying to write some unit tests for ApiBaseHelper methods (responsible for all HTTP requests). class ApiBaseHelper { String _baseUrl = "${Config.get('apiUrl')}/"; Dio _dio = Dio().....

I'm new to flutter. I just created a new project in flutter and have not even altered the code. And when I run the code I get the following error. Launching lib\main.dart on SM A750F in debug mode...

Code Text Colorless When I code in Visual Studio, it doesn't show any colours in the code text. It shows blue and green colours only for the class and comments texts. Also, VS doesn't suggest me an...

Can you convert a Future<String> to a String? Every time I start my application, it should get data from the database, store it in a .csv file, read the .csv file and update some string varia...

I'm new to flutter and I'm trying to create an app with provider. I wrapped MaterialApp widget with the ChangeNotifierProvider and the app works and I can use the provider as it intended to do. I n...

since the last dart update (2.2) I'm getting this error, 'A value of type 'dynamic' can't be assigned to a variable of type 'String'.' which doesn't make much sense to me. the code is absolu...

I want to encode the following string in Base64Url in Flutter and decode it in on a Dart server. "username:password" How do I do that? And how do I do it in Base64?

I am trying to integrate CameraX inside my flutter project. I am doing so via platform channels. I don't want to integrate any third party lib. Here is a screenshot of the camera only occupying one...

I have upgraded the flutter latest with the command flutter upgrade, after upgrading now flutter doctor shows the warning (below) Warning: dart on your path resolves to E:\Program Files\Android\dar...

In a TextField I have a initial text 0.00 then how can I format the typed value once the user start typing in Flutter? I'm currently usig the flutter_money_formatter package but I can't get the exp...

I know the flutter_local_notifications_plugin allows an app to display notifications. I want to access the data of notifications that is received, regardless of whether the app is running in the f...

How do you write a Binary Literal in Dart? I can write a Hex Literal like so: Int Number = 0xc If I try the conventional way to write a Binary Literal: Int Number = 0b1100 I get an error. I've tr...

I'm building a FLutter code that has the following error for both Android and IOS: ../../development/flutter/.pub-cache/hosted/pub.dartlang.org/uuid_enhanced-3.0.2/lib/uuid.dart:9:7: Error: 'Unmodi...

I'm trying to run an integration test which is highly dependent on the user clicking a magic link he got in his email. So far I failed to find a way of doing that. I came across Process.run but it ...