Category "flutter"

Error: [core/no-app] No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp()

I am building a Flutter application and I have integrated Firebase, but I keep getting this error when I click on the login button. I have come across people wi

SOAP Request in Flutter/Dart

I need to make a SOAP request to a .NET Webservice (WSDL) with Flutter. This webservice has an basic auth (user, password) and some services with pre-defined e

Flutter linux build on Ubuntu 22.04 LTS CMake Error

I have flutter project and can be build successfully on Ubuntu 20.04. Now I want to build it on Ubuntu 22.04 but I got CMake Error. CMake Error at /snap/flutter

Build app flutter "flutter build apk --flavor staging --release"

I can build flutter app by command-line "flutter build apk --flavor stg --release" but i through erorr "Keystore file not set for signing config release".

How to exclude files from pub publish for Dart packages?

Is there any way to exclude certain files or directories from pub publish for dart packages? I am publishing a package that has so many screenshots. I want the

After updated my Xcode 13.3.1, I unable to run my flutter project with the error CocoaPods not installed or not in valid state

Error in console: Warning: CocoaPods not installed. Skipping pod install. CocoaPods is used to retrieve the iOS and macOS platform side's plugin code that respo

Flutter. Path scaling

How can I change the size of path in this section of code? When drawing, the path goes beyond the phone screen. I should not have access to drawing the paths t

Flutter show app icon badge on push notification

I'm looking for a way to show an app icon badge when a user receives a push notification. I'm using the Firebase_messaging plugin for flutter for the handling

error: The argument type 'Color' can't be assigned to the parameter type 'MaterialColor'?

primaryColor: const Color(0xff090C22), colorScheme: ColorScheme.fromSwatch( primarySwatch: Color(0xff090C22), ), ), I want tha

Dart, Can't call Generic's method

I am trying to create an abstract data model where i pass data and type a and then is return list, but when i can't call T.fromJson() method, note that passes t

my keyboard opens and closed when i click on TextField in flutter

When I use the text field in each part of my program and run the program, the keyboard immediately opens and closes and doesn't give me a chance to type anythin

How can I use a set state without stateful widget and I am using a search delegate in flutter/Dart?

what I want to do is that my search history can update it, I can´t delete a previous search with click on the delete icon but I want to use the set state

Flutter desktop app lags in fullscreen since updating Flutter from 1.26.0-8.0.pre to 2.2.1

I've been working on developing a Flutter Linux desktop app for the past 6 months and decided recently to run flutter upgrade to update to the latest version. S

Flutter Upgrade Breaks iOS Build

After upgrading Flutter to 2.10.5 my XCode build is giving me: Error output from Xcode build: ↳ objc[49279]: Class AppleTypeCRetimerRestoreInfoHelper

Flutter TextField "Changing the content within the the composing region may cause the input"

I created a new Flutter app and I'm trying to set an initial value in a TextField widget using a process I've used before in several apps. Whenever I edit conte

Flutter TextField "Changing the content within the the composing region may cause the input"

I created a new Flutter app and I'm trying to set an initial value in a TextField widget using a process I've used before in several apps. Whenever I edit conte

Gradle threw an error while downloading artifacts from the network .. Exception: Gradle task assembleDebug failed with exit code 1

I just started with app development with flutter, but am not even able to run the test app. This is what come on console : Launching lib/main.dart on AOSP on I

GestureDetector not working in Stack widget

So I'm trying to make a Stack of two buttons using GestureDetector where if I press one, it will overlap the other by half. But it's not detecting any gestures

Flutter: Application's locale is not supported by all of its localization delegates

Hello I am trying add BottomNavigationBar in flutter app but when i run project error occures : A MaterialLocalizations delegate that supports the ka_GE locale

White blank screen is displayed when I run my flutter app

I've already added a few dart files with Firebase integration and fixed deprications, but unfortunately it shows a white blank screen when I run my flutter app