Category "dart"

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

How can I decode a hexadecimal to a byte array in Dart?

So there's the 'dart:convert' library, which contains a HexDecoder class that doesn't seem to have a constructor (according to this). But importing it and tryin

Subclassing Widgets with complex signatures

As far as I found out, RadioListTile with Text als child has unlimited with. As a helper class, I'd like to subclass RadioListTile with a default Text child of

when i'm creating flutter new project lib folder is missing in andorid studio

when I am creating new flutter project in Andorid studio lib folder is missing how to fix it? I run flutter doctor everything is fine but I am facing this prob

Unable to upload data on firebase console

I am Unable to upload data on firebase console. I have written all the code, import all the libraries, and also follow all the steps to upload data on firebase

How i can reapirt problem in new flutter project

When i create new flutter project and click run i have this problem "Could not initialize class com.android.sdklib.repository.AndroidSdkHandler" enter image des

Drop down widget is not showing in flutter

I am design a screen in which I need to opening a drop down list when user click on textfield till now I am using CupertinoActionSheetAction sheet which is corr

How do I share an image on iOS and Android using Flutter?

I would like to share an image using the standard share dialogs in iOS and Android. The code below is mostly from https://pub.dartlang.org/packages/share which

Flutter Firestore real-time pagination using multiple listeners streamed combined

I want to create a pagination screen, using Bloc, from the Firestore database. The screen should update on document changes. My FirestoreProviderApi receives fe

Caused by: java.lang.ClassNotFoundException: Didn't find class "com.example.aol.Application" on path: DexPathList error flutter

I am trying to run a project but I found an error: Caused by: java.lang.ClassNotFoundException: Didn't find class "com.example.aol.Application" on path: DexPath