I'm having difficulty toggling between the check boxes. What i want is the when one checkbox is checked and if the user checks the other checkbox the previous one should uncheck and viceversa. class _HomeScreenState extends State<HomeScreen> { @override Widget…
I'm trying to use FutureBuilder inside a Stateless widget. The data is rendered properly, however I do face an issue "setState() or markNeedsBuild() called during build.". I've tried converting it to the Stateful widget and initializing future inside onInit() method…
I am trying to return a Future<List> in an async function, which is constructed when another Future completes. Future<List<String>> myFunc() async { <Future<List<String>> eventDescriptions; googleCalendarApi.events.list('primary').then((events) => { eventDescriptions = events.items.map((e) => e.description).toList(); } return eventDescriptions; I had assumed that the…
I clone the code from bitbucket and run on my VS code, Every time It' through this errorenter image description here I tried to solve this problem : 1> flutter clean 2> flutter run but It won't be work
im trying to link whatsapp with this function, i already try many url options but nothing works static Future launchThisUrl(url) async { Uri dataUrl = Uri.parse(url!); if (await canLaunchUrl(dataUrl)) { await launchUrl(dataUrl); } else { throw 'Could not launch $dataUrl';…
I have a text from API, but I want to format it to be bold before displayed to the screen. Here is the code return Column( crossAxisAlignment: CrossAxisAlignment.start, mainAxisSize: MainAxisSize.min, children: [ Text( state.listExplanation[index].description!, --> this is the text that…
I have a problem in flutter when I add a new element to the list and I call setState, the list is updated but the screen is not. I tried calling the setState after addText() but it doesn't work also.…
I am trying to achieve a simple file upload feature in my flutter app. I need to have it for both web and mobile. /// class FileUploadController extends GetxController { Rx<File?> file = Rx<File?>(null); String fileName = ''; var token…
When using an emulator on Android Studio I can have the screen preview inside the Android Studio itself, I want to have a smiliar behaviour when using a physical device instead of an emulator.
I just started to learn Flutter and I'm not able to find my error... I'm trying to display images from a list in a Grid View but I can't find why the console can't find the getter 'room'. I created…