I am using flutter_riverpod for that purpuse but I don't know how to use lists for stateprovider or any other provider. import 'package:flutter_riverpod/flutter_riverpod.dart'; import 'package:flutter/material.dart'; void main() { runApp(ProviderScope(child: MyApp())); } class MyApp ext...
ERROR:flutter/lib/ui/ui_dart_state.cc(177) Unhandled Exception: NoSuchMethodError: The method 'insert' was called on null Related 63 What is the best way to fillter null from a list in dart language 6 Flutter: How to initialize an empty list for every Object in an Array? 23 How to...
How to use Keys in Flutter to preserve the state. Now it is clear from the above example where to add them. If you have to use the Stateful widget then you have to use the Keys. Now there are many types of Keys in a flutter. Following are the type of keys: Types of keys in Fl...
The same usage scenarios apply to Flutter packages – they can be stored in the same Dart repository along with ordinary Dart packages. We’ll use the Dart package repository for storing Flutter packages as an example. The only thing worth noting here is that there are no official Docker imag...
if you add or update the original list, Changes do not affect in cloned object. #How to create a List clone in dart and flutter? There are multiple ways we can do shallow and deep cloning. #Shallow copy list example There are two ways we can copy the references. ...
use the for-in loop This is for the loop to iterate the list of objects and conditions is added inside it too and return the object. voidmain() {Listemps=[{"salary":5000,"name":"john"},{"salary":6000,"name":"andre"},{"salary":8000,"name":"mark"},{"salary":11000,"name":"...
My current project is Flutter project including Unity. I created an aab extension file through Flutter Build, but the capacity has exceeded 150MB, so I can't upload it to Google console. I am referring to Play Asset Delivery because I be...
Flutter How to reload list of appointmentsHow to reload list of appointmentsI'm trying perform change appointment status and rebuild when operation has completed on API.i tried to use notifyListeners, but not having success. _controller.appointmentDataSource.notifyListeners(CalendarDataSourceAction.add,...
I would like to have a link on Phone tab of Feedback screen. How to add this if I already have one shell router for bottom navigation. Reading a (Nested Navigation doc) I noticed TabBar with state preserving but I stuck on combining thes...
How to fix “Converting object to an encodable object failed: ” Instance of ‘Options’ exception in Dart/Flutter? import'package:flutter/cupertino.dart'; classOptions with ChangeNotifier{ String key; String point; bool checked; Options({this.key,this.point,this.checked}); ...