How to pass data from an API to flutter UI
I'm trying to pass data to a flutter user interface from the open weather API. I think it has something to do with where I am initializing the city name variable as it gets rebuilt every time I refresh the…
How do I decode received data from supabase in Dart/Flutter?
In Dart/Flutter, using the supabase package, I'm trying to decode the data I receive for example from the following code: final data = await supabase .from('countries') .select(''' name, cities ( name ) '''); How do I do that? Can anyone…
Dart flutter: jsonDecode() parse a list of string to List<dynamic>
Dart flutter: jsonDecode() parse a list of string to List<dynamic>. e.g. { name: 'John', hobbies: ['run', 'swim'] } The hobbies is parsed to be a List<dynamic> with 2 items (of type String). should it be a List<String>?
Flutter – Can I change the font style of a labelText in a TextFormField?
I want to change the font of the labelText with a Google Font. I already imported the package for Google Fonts. Here is the code below: TextFormField( labelText: 'Label Text', labelStyle: TextStyle( color: Colors.black, letterSpacing: 1.3, fontFamily: GoogleFonts.openSans().fontFamily, ), ),…
"is" operator expected behavior in dart flutter
I have slightly strange issue (I am probably missing something) I decided to iterate over element tree in Flutter and had the following question: if (element.widget.runtimeType == GestureDetector) { print('return true1'); } if (element.widget.runtimeType is GestureDetector) { print('return true2'); }…
Flutter:PlatformException (PlatformException(channel-error, Unable to establish connection on channel., null, null))
I have a problem with my flutter app. When I run and use the login feature, it display: PlatformException (PlatformException(channel-error, Unable to establish connection on channel., null, null)). The flow: Sign in Button -> login_controller -> AuthenticationRepository. Click here for…
what is the process of reading message from device message app using flutter
I made a flutter app for storing message. Now I want to read the message from the device message box and show it in a window using flutter how can i do that it would be better if i can…
Flutter – How to make the height of a PageView take the height required by the active page?
There is a PageView inside a Column. This PageView is a block that should take the minimum height required by whatever the active page is. For instance, if the first page takes 300px of height and the remaining left 500px,…
'Invalid constant value error' of Flutter
Although a variable is initialized in initState, I encountered the 'Invalid constant value' problem. Could you please explain why this occurs? I've annotated key points in the code. Thank you. P.S: I'm using Flutter 3.16.5 and Dart 3.2.3 class _LoadingScreenState…
Flutter – Center ListView.builder elements
I want to make these elements in the middle and I want the code to be formatted correctly Container( height: 100, child: ListView.builder( physics: NeverScrollableScrollPhysics(), scrollDirection: Axis.horizontal, itemCount: controller.categories.length, itemBuilder: (context, index) { return Center( child: Padding( padding: const EdgeInsets.symmetric(horizontal:…