I want to format url. Here is an example: Input: www.google.com or google.com Output: https://www.google.com/ I need to format the url because I'm using a validator function that needs to check if the text is a url. When I type…
I'm trying to set the font size of the text in my app through the themeData using media Query. eg. if screen size is smaller the x, font size should be x. is this even possible to achieve? and if…
Hello I'm trying to create a widget of smoothPageIndicator for the introduction of my page. The screen contain picture, title and description. but an exception occured Another exception was thrown: Incorrect use of ParentDataWidget. this is the code : @override…
Looking to create a custom button in flutter that is based on the CupertioButton. the end result should be looking like this: MainCustomButton.success(label: 'ok', onPressed: (){}); MainCustomButton.danger(label: 'delete', onPressed: (){}); with each of the 'clones' have it's custom styles applied.…
Im a new flutter developer, so please can u help me with this problem. The problem is when validator in TextFieldForm "works" it adds text that user did something wrong. And my Container is become to small for Form. I…
How I can show last 5 elements in widget with listview.builder? Thanks! if (snapshot.hasData) { return ListView.builder( controller: controller, // shrinkWrap: true, // reverse: true, itemCount: snapshot.data!.length , itemBuilder: (BuildContext context, int index) { // controller.jumpTo(controller.position.maxScrollExtent); if (snapshot.data![index].operatorName == 'barz1'…
I'm reading records from PostgreSQL and group cust_id level, resulted type is Map<String, List>. Trying to convert Map<String,List<dynamic>> to Map<String, List<DetailedPositions>> but facing Exception in fetchDetailedPositions type _PostgreSQLResultRow' is not a subtype of type 'Map<String, dynamic>'.toString() any help would be…
Question from a newbie in Flutter and Dart: With this code I let a user to pick mulitple mp4/avi files in flutter web: `FilePickerResult? picked = await FilePicker.platform .pickFiles( allowMultiple: true, type: FileType.custom, allowedExtensions: ['mp4', 'avi']);` Now I would need…
When I restart this code in Visual Studio autofocus is working as well as keyboard is showing. When I close the visual studio and re open the app in android emulator the keyboard is not showing but auto focus is…
i am trying to check if a user id is the same as the current user's id by using data.uid but i keep getting this error: The getter 'uid' isn't defined for the type 'Object'. this is the code Widget…