I’m trying to sort a list of objects by their timestamp, but as you can see below from the timestamps the list that gets returned is just randomized. Does anyone know what issue im facing here? var sortedFixtures = fixtures.sorted((a, b) => a.fixtureDetails?.timestamp ?? 0.compareTo(b.fixtureDetails?.timestamp ?? 0)); This produces the following (the timestamp for each… Read More Flutter sorted function doesn't sort correctly

I want to know how can I change/affect the value of this with dart extensions without returning a value. Example, when I do this : "example text".cutFirstLetter(); by just executing it, I want its String value for the rest of the code to be "e", I don’t want it to be returned in function, I… Read More how can I implement a method that change directly the value this with dart extension

MyInputField( title: "Tarih", hint: DateFormat(‘dd/MM/yyyy’).format(_selectedDate), widget: IconButton( onPressed: () { _getDateFromUser(); }, Date data I show in TextFormField. _getDateFromUser() async { DateTime? _pickerDate = await showDatePicker( context: context, initialDate: DateTime.now(), firstDate: DateTime(2000), lastDate: DateTime(2030)); if (_pickerDate != null) { setState(() { _pickerDate = _selectedDate; }); } } } The _getDateFromUser() function I defined When I… Read More Can't change date with DatePicker in Flutter

I’m making a learning app that has 2 buttons 1: Lead you directly learning dashboard 2: The login & signup The start learning button work fine, the problem with the login button When I clicked nothing happed there are no errors in my code, but the button is not working, and I don’t know why… Read More Navigator.push is not working in Flutter?

I am trying to create a drink tracker where I can track my hydration during the day Therefore I created this app. The problem is: When I press "add" 500ml, then press "remove" 750ml it goes to minus 250ml. I can only manage to set the counter to zero when I press any decrement button… Read More Flutter set Value to zero when it WOULD fall below zero

Hello I’m trying to map array of objects and return widget with some value of given objects… Like this _metapodaci?.map<Widget>((e) => Text("Naziv dokumenta je ${e.label}")), I get an error saying "The element type ‘Iterable’ can’t be assigned to the list type ‘Widget" but when I map inside text widget like this: Text("Meta podaci: ${_metapodaci.map((e) =>… Read More How to map array of objects in flutter?

I am new to dart and I am trying to create a basic inventory app with different types of chemicals. I am trying to fetch data from firebase, which is getting back to me perfectly, but when I am trying to store it locally with a custom Model Class, its throwing me the following error… Read More Error while appending data to list with custom Model class(Dart)

is there any way to put ${widget.name} to hintText inside TextFormField? It works fine with other Texts widgets, but inside hintText i’ve got an error Padding( padding: EdgeInsets.all(20.0), child: TextFormField( enabled: false, decoration: const InputDecoration( border: UnderlineInputBorder(), hintText: ‘Name: ${widget.name}’, prefixIcon: Icon(Icons.done)), ), ), error here >Solution : The error in your screenshot says "Invalid… Read More Flutter ${widget.name} into TextFormField

i have the simple following code @override Widget build(BuildContext context) { return Scaffold( body: Center( child: Container( width: 300, height: 100, decoration: const BoxDecoration( color: Colors.black, borderRadius: BorderRadius.only(topRight: Radius.circular(30.0),topLeft: Radius.circular(30.0),) ), ), ), ); } the outputs looks like following but i am trying to reverse it to be like following (sorry for the bad… Read More How can i reverse container radius to specific form

I am supporting an app for landscape mode in which I want to align Text widgets in my custom List Tile(a container widget), but for some reason the alignment does not match and I get the following output The out put I want is as follows I use the following code to display the first… Read More Align Text Widgets In Custom List Tile Vertically In Flutter