I have written a code that return bool type variables. Whether you like the movie. If you like the movie then it returns true, if you don’t like the movie then it returns false. But since the .pop() method works in ElevatedButton, I cannot reach it from another class. How can I reach the value?… Read More Returning data from .pop() to use it anywhere

I’m trying to make an Internationalizing app with this youtube movie: https://www.youtube.com/watch?v=yX0nNHz1sFo&list=PLyHn8N5MSsgEfPAxCytQDPATDlHwpP5rE&index=4 When I add a function to DropDownButton’s onChanged I get the error: The argument type ‘void Function(Language)’ can’t be assigned to the parameter type ‘void Function(Language?)?’ Here is the code class GeneralList extends StatefulWidget { GeneralList({super.key}); @override State<GeneralList> createState() => _GeneralListState(); } class… Read More i cant add function to onchanged The argument type 'void Function(Language)' can't be assigned to the parameter type 'void Function(Language?)?'

I am using flutter RadioListTile for radio button selection and having issue while trying to checked. i.e, not selecting the button but value is receiving after checked. can any one help on this? Below is the sample code, var _selectedLanguageRadioIndex = 0; List<String> languageTitle = ["English","हिंदी","ಕನ್ನಡ"]; List<String> languageType = ["en","hi","ka"]; _languageOptions(){ showModalBottomSheet( isScrollControlled: true, shape:… Read More Flutter – Radio List Tile not selecting the radio button inside bottom sheet

I have been developing a real estate app and the app is getting complicated as I keep adding more screens and features. Right now I have 193 Dart Files. I would like to know how many dart files is too many, and would affect app performance and size. Thank you best >Solution : I don’t… Read More How many dart files is too many for a flutter app?

How to remove divider line between ddrawer and the list? I have next code: @override Widget build(BuildContext context) { return Drawer( child: ListView( children: [ const DrawerHeader( decoration: BoxDecoration( color: Colors.blueGrey, borderRadius: BorderRadius.only( bottomLeft: Radius.circular(40), bottomRight: Radius.circular(40), ), ), child: Text(‘Settings’), ), ListTile( leading: const Icon(Icons.settings), title: const Text("Blue Print"), ), ], ), ); that… Read More How to remove divider line between ddrawer and the list

Hi I’m new to flutter. I am using Provider and want to use the data I get from it as the initial value of textfield. So I decided to define the controller as a nullable value and put the text to it in initState(). Here is the code. … TextEditingController? _lastNameController; TextEditingController? _firstNameController; @override void… Read More I want to use Provider in InitState() but got an exception: Null check operator used on a null value

I have 2 screens. Screen A is the settings screen where I change the axis (horizontal/vertical). Change the axis in the carousel slider, which is on screen B. I wrote a method that handles the toggle button, but I don’t understand how I can get the necessary changes on screen B. Screen A: class _ChooseSettingsScreenState… Read More How do I change the axis programmatically in flutter?

In my page I have many FutureBuilder that share the same data from a future. As the future is a request from Firebase, I just want to do it one time. Do you have a solution ? >Solution : Whenever you FutureBuilder calls the future, you can store its value inside a variable. After that,… Read More Use same future for several FutureBuilder

I have been trying to make design similar to this: But getting this as the output: below is my code that I implemented: Row( children: [ Expanded( flex: 5, child: ListView.builder( shrinkWrap: true, scrollDirection: Axis.vertical, itemCount: interests.length, itemBuilder: (context, index) { return interests[index]; }, ), ), ], ), here interests is the list: like this:… Read More How to align items in Row with ListView.builder()

I have three screens: 1, 2, and 3. I want to switch from screen 2 to screen 3, but when I pop screen 2 and push screen 3, then it shows screen 1 for a while, then it shows screen 3, so is there any way to switch screens using pop after push or not?… Read More How to switch the screen smoothly?