First off let's define some criteria for this extension: It should return true if the object is null or an empty string. I should be able to use it on a chained nullable object. I should not have to use…
I want to show 2 diiferent dialog box at some interval but it gives me error. First I want to show circular loading dialog and after some interval I want to show the another one. But I didn't know where…
I want to add a null value to a stream, but it will show an error. When I do: final StreamController<Car?> streamController = StreamController<Car?>.broadcast(); streamController.add(null) I'll get flutter: ┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── flutter: │ #0 _BroadcastStreamController.add (dart:async/broadcast_stream_controller.dart:242:14) flutter: │ #1 CarService.selectCar (package:app/services/car_service.dart:109:39) flutter:…
I'm currently taking an Udemy (https://www.udemy.com/course/learn-flutter-dart-to-build-ios-android-apps/) course on Flutter and while on it, I've been able to do most of the setups. My (Default) demo code could compile and display web apps https://ibb.co/GRzPdQx but couldn't display on my physical device…
I'm getting the issue when converting string to TimeOfday. It was working before but now I am getting the issue. try { final format = DateFormat.jm(); //"6:00 AM" TimeOfDay day = TimeOfDay.fromDateTime(format.parse("6:00")); } catch(ex) { PLPrint(name: "CheckTest",value: "${ex.toString()}"); } I…
i tried to make a checkbox for a week in flutter . and because of not writing extra code i made a widget "week" and when i run the code i can see the checkboxes but when i click on…
I have a list of an object that could have 0+ records. If a record exists, I have a DropdownButton that I want to pre-populate with the first record in the list. Then, when the user changes it, leaves the…
I've taken a file object which I received from the Flutter camera library. Then passed that file into the Flutter video_player controller. Something like this. _controller = VideoPlayerController.file(widget.video!); When I do that the video shows completely blank. If I include…
I'm developing a flutter app with firebase, and I have a user registration form with email validation page. I want to check if the entered email already exists in the firebase database during the validation process. However, I've encountered a…
Recently I have updated my mac to Sonoma, also I have updated xcode and android studio. After that hot reload after save stopped work. Checkbox "hot reload on save" checked. Versions: macbook: 14.1.1 android studio: 2023.2.1 flutter: 3.13.9 dart: 3.1.5…