Flutter Navigation bug issue
I have 4 page to navigate: A > B > C > D I use Navigator.pushReplacement for navigate from each page. The problem is every first time run the app from vscode, when C > D it will be freeze…
Full width button inside card inside row which is inside column in flutter
Column( mainAxisSize: MainAxisSize.min, children: [ Container( color: Colors.black, width: double.infinity, child: Row( mainAxisAlignment: MainAxisAlignment.spaceBetween, children: awards .map((award) => Card( elevation: 3, surfaceTintColor: Colors.white, child: Padding( padding: const EdgeInsets.symmetric( horizontal: 8, vertical: 16.0), child: Column( mainAxisSize: MainAxisSize.min, // crossAxisAlignment: CrossAxisAlignment.stretch, <---…
how to show progress indicator when executing await operations – flutter
I'm trying to show progress indicator when executing await operations (operations or functions that takes time to fulfil), When I say progress indicator, I don't refer it to traditional circular progress indicator in flutter that keeps rolling on without showing…
Flutter – The argument type 'void Function({required String? value})' can't be assigned to the parameter type 'void Function(String?)?'
I have a function called onServerChanged. This was working fine when I did the below: void onServerChanged(String? value) { //... } DropdownButton<String>( //... onChanged: onServerChanged, ), However, when I changed the function to this, it stopped working: void onServerChanged({required String?…
Flutter does not copy assets into iOS 14 simulator?
Not sure what I am doing wrong. I specify my assets in pubspec.yml like so assets: - assets/markers/station.png - assets/markers/other/ - assets/markers/files/ and try loading it as a marker image with flutter map: child: FlutterMap( options: MapOptions( center: const LatLng(32.8150,…
Unable to Retrieve Data from API in Flutter App
I tried to show data by using reqres API: https://reqres.in/api/users?page=2 in my flutter app but it doesn't show any single data in here, i make user.response.dart by copying Get List User reqres response and convert it to Json to Dart…
Is it possible to create an array of arrays in Dart / Flutter?
What i'm trying to achieve is something similar to this bigArray [ [val1, val2, val3], [val1, val2, val3], . . . ] basically each inner array has a fixed length of 4, whereas the outer array (bigArray) contains all the…
Why when I use API in every Flutter my Emulator paused?
Why when I use the API in any Flutter project, the application stops after running the application with the Emulator ? I Should click the continue button for see result but, When I run with Chrome or Edge, I don't…
How to clone Future in Dart/Flutter
I have a custom FLutter widget that receives a future as a parameter to it's constructor and has FutureBuilder inside. I want to add the ability to rerun this future in case of connection error, but the problem is that…
After restarting flutter app, the added elements to the list are removed and from UI too
The Problem is that the List elements that the user enters in Textfields are rendered correctly. After App restart, the elements are removed from the List and from UI too. Here is the code: I created a model class with…