I use value objects that have a [unit] property that is a enum. My enums implement an interface to permit conversion between units (cm to m, kg to g, etc...) Like this : class Height { final double value; final…
I am trying to reproduce the behaviour that Google Maps do on the row of buttons below the title of the panel. See this video. If you see I can scroll vertically, but at the moment I start scrolling these…
I'm learning Flutter. Have this model class: class TaskModel { String task; TaskModel({required this.task}); } class TaskProvider extends ChangeNotifier { List<TaskModel> taskList = []; void addNotes(TaskModel userInput) { return taskList.add(userInput); } } When I press the button, the input in…
I have created a Flutter package and I am using it in my Flutter project. The package has a class FirebaseAuthFlowState located in ...core/firebase_auth_flow_state.dart. A package's "root" file with an export is located right in a lib directory and exports…
I'm struggling finding a solution to manage the color of my Container's Borders without hard coding them every time. I want to define my custom Colors for the Borders in ThemeData for the day mode and the night mode, but…
After upgrading Flutter version I am getting this error in background color ThemeData( ... ... ... backgroundColor: Colors.white, ... ... ...); FOR THE REMAINING PARTS I was using backgroundColor: Theme.of(context).backgroundColor, --> I converted to backgroundColor: Theme.of(context).colorScheme.secondary, (Because I saw a…
we need to track our mobile app for example : first user share the app with second user via WhatsApp now when second user installed the app and opens it we need to send to our api server that he…
I'm trying to make simple login logic using Firebase but can't get rid of this error: Exception has occurred. DartError: Bad state: Cannot fire new event. Controller is already firing an event Here is my code: import 'package:firebase_database/firebase_database.dart'; import 'package:flutter/material.dart';…
Some One Asked Me How Find Exception Error Without Using Try Catch Method After RND on That I Got These Answer In Flutter, there is no direct way to find an exception without using a try-catch block. The try-catch block…
I Really need help in this I'm trying this from many days and still not figure out the problem When i run this app in ios simulator then it runs fine but when i run in any android device then…