in my code I use from GrideView.count but it dos not scroll, I wrap entire column with Expanded widget it works but in release mode it shows a gray window and got error. please help me it takes my hours…
I am creating a TextField in flutter, but I want the input to explicitly follow a regex: ^-?d+(.d+)?(-d+)?(e-?d+)?$ (That allows scientific numbers, in which 'e' is used as powers of ten). When the user enters a character that makes the…
I used Android Studio some years ago. After that time I initialized Windows 10 once and used the migration tool to change my SSD. This time, I needed Android Studio once more for making a Flutter app, but it was…
I have a simple form that looks nice and works great. I removed unnecessary information: @override Widget build(BuildContext context) { return Form( child: Column( crossAxisAlignment: CrossAxisAlignment.start, children: [ Text('Field1'), SizedBox(height: 24.0), Text('Field2'), SizedBox(height: 24.0), Text('Field3'), SizedBox(height: 24.0), Text('Field4'), SizedBox(height: 24.0),…
I'm using Drift to manage databases in my flutter app and I need to get a list from a database. When I call for a list it just returns something called a "Instance of '_MappedSelectable<QueryRow, String>'" This is the SQL…
I have a Flutter widget like this, with a SingleChildScrollView inside a Column inside a parent container: class MyWidget extends StatelessWidget { @override Widget build(BuildContext context) { return Container( padding: const EdgeInsets.all(10), decoration: BoxDecoration( color: Colors.grey, borderRadius: BorderRadius.circular(10), ), child:…
While fetching the list of data from Firebase Firestore using Stream Builder in the StreamSubcription listener fetching it as QuerySnapshot and is not able to cast to a List. late StreamSubcription _listener; final _controller = BehaviorSubject<List<Object>>(); Stream<List<Journey>> get getList =>…
I'm new to app development and have been creating a app with flutter UI and creating a backend with django and Mongodb.. How to link this with each other.. I don't know which file should i write the link code.…
I have an async function that gets some data from SQL server. The error points to the last line of this function. I am using an await when I call this function in another file. Why am I getting this…
I'm developing a Flutter app that requires storage access on Android devices. The app functions properly on Android versions up to 12, but I'm encountering storage permission issues specifically on Android 13 devices. I've followed the standard implementation for requesting…