Category "dart"

SocketException (SocketException: Failed host lookup: 'test' (OS Error: nodename nor servname provided, or not known, errno = 8))

I've looked elsewhere and every site keeps telling me this is effectively an internet connectivity error... But I know that can't be correct. I'm using Flutte

Flutter Local Notification only showing dot on Android

I am using Local Notifications for my app and it is working fine on my iPhone but when firing a Notification on my Android Simulator it is not showing the Notif

Flutter Dart convert nullable int? to nullable String?

I must pass int? parameter to method where I can use only String? parameter. How to do it shorter? void mymethod(String? s) { print(s ?? "Empty"); } int? a =

Obtaining data from Firebase and creating an object in Flutter, Dart

I would like to create an Object using data from my Firebase database. I get the data correctly, but I can't create that Objet in the way im trying. I have no i

Use provider in streamBuilder

When I use code below : In audioService plugin StreamBuilder<ScreenState>( stream: Rx.combineLatest3<List<MediaItem

Connection terminated during handshake flutter

It's really frustrating, wasted 3 days to get rid of but still on stuck problem showing on macos catalina version 10.15.1 and windows 7 also. My two PC's showin

Flutter categories list base on another list of data

I have two lists and need to get the category of each word and display it as a group. my first list is where data is coming from. final WordsList = [ { 'c

: assert(map['apiKey'] != null, "'apiKey' cannot be null."),

i'm trying to develop an app on Android studio, with firebase tools. Despite i have a file in the lib firebase_options (created with flutterfire configure), it

flutter dropdownbutton issue with provider statemangement

hello guys as a beginner on flutter i'm having an issue with the dropdownbutton widget as shown on the joined GIF on the backend everything seems to work norma

Flutter - Unhandled Exception: type 'String' is not a subtype of type 'int' of 'index'

I'm trying to get an api, I can print the api response in the console. However, when I'm receive the respond to my model class, console shows and error like thi

How to Auto New Line if a text overflows flutter

Hello right now I am making Quran App.. I am fetching data from json file.I would like to ask how do I create a new line if it overflows like in the picture? I

Can't send an email through url_launcher

I try to send an email whenever a user clicks on an individual's email address. However, I ran into an error. I am testing through the Android emulator. Doesn't

bottom navigation bar: Navigate back to nav bar item from any screen in the app / Navigator.pushNamed instead of creating an object instance flutter

I would like to use Navigator.pushNamed(context, '/route-name'); instead of creating an object instance. I'm trying to get back to a single instance of the call

How can I spread a List in Dart?

Is there any way to unpack a list in dart? I want to do something similar to this python snippet: return proc(*args)

error running pod install error launching application on iphone11 Pro Max

I finished my flutter app, and i want to test it in ios device, so i used a mac laptop and i did all the installations but when i did the command "flutter run"

Flutter Alarm Manager Missing Plugin Exception

I'm having trouble setting up a daily task to complete certain functions. I've managed to get android_alarm_manager to work, I currently, have it set to print a

Use Url.http for GET query

In my browser it returns the correct json http://localhost:8008/api/instsets/?genre=rock Howeber in dart code final response = await http.get(Uri.http('localho

list of circle avatars that are on top of each other

I am working in a Flutter project and I have an issue. I have a list of people and I wanna show their pictures one by one as in the image below. I saw an answer

Flutter UI - Container Border Margin interface Issue

I've been trying to work on my ecommerce homepage, as you can see from the screenshot I'm trying to fix the categories icon position in my Homescreen though it

Should I use ObjectBox in a separate isolate so as not to block UI thread?

I'm going to use ObjectBox in my Flutter project. But I noticed that the get method is synchronous. So should I use ObjectBox in a separate isolate to avoid blo

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