Category "flutter"

FirebaseOptions cannot be null when creating the default app in Flutter Web

I ran into the following error: Launching lib/main.dart on Chrome in debug mode... This app is linked to the debug service: ws://127.0.0.1:45119/uWRkb_0RvDE%3D/

Empty Body HTTP Post request Flutter

I am trying to send a Post request but the body of the request is meant to be empty and I have tried the endpoint on postman with an empty body and it works. Bu

How to save audio as File in flutter and send it to a flask server?

I'm trying to send an audio file (.m4a) to a flask server in my flutter app. the audio file is recorded using FlutterSoundRecorder package and saved to path "au

Failed to package flutter xcode

I am trying to run my flutter project on my ios device, but I got an error in the xcode that says "Failed to package /Users/user/StudioProjects/project." Any so

Create Gradient on Top Right of the page in Flutter

Hy everyone, I need to know, how can I create gradient on top right of the page like this picture? I tried with this code, but it's still not working for me: S

flutter onesignal add problems "Expected to find project root in current working directory."

When I want to add onesignal to flutter, I get the following error. How can I solve it? PROBLEM PHOTO

LateInitializationError: Field '_instance@141084504' has not been initialized

When using getX and Flutter I get following error: LateInitializationError: Field '_instance@141084504' has not been initialized This is the code: import 'dart:

Argument type 'String?' cannot be assigned to parameter type 'String', Triggering Dart's Null Safety either way

In this current snippet I have declared notification to be nullable but get an null safe error for the if loop's notification.body and notification.title. Here'

Can't watch object instance with Riverpod

In a Flutter web project, I'm having this issue with Riverpod: Consumer( builder: (context, watch, child) { final om=watch(human); return Text(om.na

How to use the data from different model and context?

I made the small app, and designed like this: return MultiProvider( providers: [ ChangeNotifierProvider(create: (context) => AModel()),

The argument type 'OrderItem' can't be assigned to the parameter type 'OrderItem'

I am unable to assign my one class to another even though I have imported the lib for them. I am following a course . In this I will fetch the orders from fireb

Android Studio gone nuts all of a sudden

Firstly, Look at the screenshot that I've attached, It is giving me red lines (look to the right) in my entire code (386 errors in 766 lines) all of a sudden (

Flutter settings.name incomplete on page reload

I have a route setup. In the browser, it looks like this. localhost:1234/#/member/D8B5D7F17639A28FE83C47AFFC69592E? I use an onGenerateRoute function like this

What to do when listview.builder does not fit screen width in Flutter

The following is what is returned from a Flutter widget: return Center( child: Column( children: [ SizedBox(

Flutter Firestore: FirestoreBuilder with initial data

I'm making my first Flutter app and I encounter a problem and doesn't found any solution for it. I have a view where I render a Firestore document, and there is

flutter google_mobile_ads reqires higher android SDK version

I want to add google ads to my app. I rearrange pubspec file and AndroidManifest.xml file in android\app\main. but I get error as The plugin google_mobile_ads r

First file created with Flutter leads to white screen

I got Flutter installed. No problems with flutter doctor. Installed Dart en Flutter in Android Studio, opened a new Flutter project and chose for Flutter (and f

Changing AudioHandler.mediaItem without a Queue

I am working on my first Flutter app which implements basic stream functionality. Upon starting, the app loads a stream from source A. The app contains navigati

How to overwrite color of ElevatedButton with LinearGradient?

I am trying to do ElevatedButton with LinearGradient, I am giving it to Container around my button, but it's not affecting it. I tried to set backgroundColor of

How to use jitsi_meet package in production?

I am using jitsi_meet package in flutter for live streaming. But I have read that, you can't directly upload the jitsi_meet apk to the play store. You have to c