Category "dart"

This package does not have flutter_web_plugins in the `dependencies` section of `pubspec.yaml`

When publishing my package after adding web support i got this error Package validation found the following error: * line 9, column 1 of lib/hexcolor_web.dart:

How can I call a function from a method of the same name?

I want to have a print method in my class, also I want to be able to use print inside it example: class A { String val; void print() { print(val); } }

Getting error "Incorrect use of ParentDataWidget." on flutter

The following assertion was thrown while applying parent data.: Incorrect use of ParentDataWidget. The ParentDataWidget Flexible(flex: 1) wants to apply ParentD

How to load image from assets folder inside a pdf in Flutter web?

We want to show image on a pdf from assets folder in Flutter web application: import 'package:pdf/pdf.dart'; import 'package:pdf/widgets.dart' as pw; import 'pa

Flutter Convert Future<object> to Map<String, dynamic> [duplicate]

I need to make HTTP Post JSON request but first i need to Get 3 different JSONs and make 1 of them. I thought better way to do this is to work

Dart: How to Encode Decode animated webp files?

I am trying to decode animated webp image file and encode it's frames to animated webp image file in Dart (cli) Dart Code: import 'dart:io'; import 'package:ima

How to get network DateTime.Now()?

Actually in flutter DateTime.now() is returns device date and time. Users sometimes change their internal clock and using DateTime.now() can give wrong result.

How to remove underline below TextField?

Here is the code. I want to remove the black underline just below text, and currently the TextField is in edit mode: TextField( autofocus: true, de

How to catch OAuth2 token in Flutter Web?

This dependency supposedly supports web, but the implementation to listen for the callback and retrieve the token is missing. After digging around for the last

Why does the Software Keyboard cause Widget Rebuilds on Open/Close?

I have a screen, which contains a Form with a StreamBuilder. when I load initial data from StreamBuilder, TextFormField show data as expected. When I tap inside

Return multiple values from function

Is there a way to return several values in a function return statement (other than returning an object) like we can do in Go (or some other languages)? For exa

Flutter future builder to list

I have some troubles in understanding how future builder works in flutter. I want to pass a list of String from my future call and I want to display them in a S

What went wrong: Execution failed for task ':google_api_headers:compileDebugKotlin'

When updating my flutter to version 3.0.0 , the console started showing me this error does anyone know how to fix it AppData\Local\Pub\Cache\hosted\pub.dartlang

How should I implement the init method? In a stateful or stateless widget?

What is the rule of thumb to use an initial method for a widget. Shall I use the: A. classical stateful widget approach? Or is it better to stick with the B. s

Flutter Web not displaying Material Design Icons

I started Flutter web and i wanted to add Material icons to my Flutter web app but its displaying boxes instead. Any help is appreciated. Thanks

How can I resolve "The argument type 'String' can't be assigned to the parameter type 'int' " - Flutter

I'm trying to fetch data Online Using HTTP GET with Flutter SDK. I'm trying with this code https://github.com/RaglandCodes/Flutter-basic-API/blob/master/lib/mai

How to hide autogenerated files from VS code

I want to hide auto generated dart files like .g.dart, .freezed.dart from vs code project. How to do that?

Flutter build apk error Dart snapshot generator failed with exit code -1073741819

here is my flutter doctor output Doctor summary (to see all details, run flutter doctor -v): [√] Flutter (Channel stable, v1.17.5, on Microsoft Windows [V

How i can fix this issue?? i can't compile my flutter web

How i can fix this ?? flutter build web Building with sound null safety Target dart2js failed: Exception: Warning: The 'dart2js' entrypoint script is deprecated

Flutter - Making DataTable responsive according to screen orientation/size

I am trying to make my data table in Flutter more responsive by adjusting the width according to screen resolution (eg: in browser, its the default width, and i