Category "flutter"

How to create dynamic introduction_screen in Flutter with introduction_screen package package link in description

How to create dynamic introduction_screen in Flutter with introduction_screen package. Means We are pass 3 screen in api. introduction_screen 3 pages. We are pa

Flutter/Dart: How upload binary file to Dropbox?

I'm trying to upload a binary file to Dropbox using https://github.com/dart-lang/http. Following https://dropbox.github.io/dropbox-api-v2-explorer/#files_upload

Is it possible to pick out an item from a list of widget's based on the widget's value in dart / flutter?

I have a list of PopupMenuItem<T> as part of showMenu and I need to access the key for any given item when its clicked. When you click on an item, the sh

Offset argument contained a NaN value flutter fl chart line chart

my purpose is to get a data set to plot a line chart using fl chart package in flutter. But i am getting a exception called offset contain nan value.But the off

Preserve state and prevent initState of been called more than once

I have 3 page (all statefull widgets) : Home page Weather page Setting page The things is when i'm going from home page to weather page with a "Navigator.pushNa

Firebase Authentication with custom domain

I have a question about Firebase Authentication for custom domains. I added the dns record and tried to verify the email after 24 hours, but when I click the li

rebuild my screen with future provider for specific widgets using id root

im trying to retrieve tasks from project in another words i want to rebuild my screen on viewing tasks with specific forgin key projectId i got this error while

Flutter android app doesn't have internet connection

I built an flutter app. I used url_launcher package to navigate social links and other external browser links. And it was perfectly working on android emulator.

Update list of data using REST api

hi am a beginner with flutter and am trying to build a app and in that app i want to let the user update a data that he can accede from a list so when he press

Parsing Nested JSON leads to fromJson methods having a "The class 'Data' doesn't have an unnamed constructor." error

So I am trying to parse a Nested JSON from a GET request from VirusTotal but when I create the methods to parse the JSON for what I am looking for it is giving

Trying to build a future context but my build method has an error

I have this code and the problem is that: 'ProfileView.build' ('Future<Widget> Function(BuildContext)') isn't a valid override of 'StatelessWidget.build'

Unable to show the Y axis value in bar tooltip by default using fl_chart package

I am working on bar chart view using fl_chart package and i able to show the bar chart but unable to show the Y-axis value in each bar by default the way i expe

Grey screen in release mode (IOS - Flutter)

I am getting a grey screen on two pages in my app, I m facing this problem only in release mode when I installed it from TestFlight. there is no error in debug

Creating a list of objects from a nested JSON in Flutter

There's a URL address that I decoded to JSON, and there's a certain header (result) that I'm trying to convert to a list of objects (Book). When I print the con

How do I change flutter_ling version in flutter project?

Here I trying to add dependency geoflutterfire: ^3.0.3 After adding this line in pubspec.yml I presses pub get to get all package which I listed in it. But I g

Flutter 3 : Warning: Operand of null-aware operation '!' has type 'SchedulerBinding' which excludes null [duplicate]

I just upgraded to Flutter 3 and my flutter project console is full of warnings. Did anyone know how to fix these warnings or should I wait fo

minCompileSDK specified in dependency AAR metadata (androidx.window:window:1.0.0-beta04)

I'm currently using Android studio attempting to run an old Flutter project I made about a year and a half ago. When I attempt to run it I get the error: The mi

Flutter Notification not showing pop up

Notifications I send with Firebase when the app is open, in the background, and closed work fine. But I want to pop up, like this: My codes; local_notificatio

Dart/Flutter: Http request raises XMLHttpRequest error

I am trying to make an RSS reader with flutter but the program raises the XMLHttpRequest error. In my test I used web (Chrome) as my target platform. I already

Saving Icon to Hive DB in Flutter

Can anyone help me. How to Save Icon in hive database in flutter. And to read it. When I'm saving Icons it is giving error unhandled exception: hiveerror: canno