My ultimate goal is to animate a widget from one Page to another in a PageView, if you can help with that it would mean a lot. But for now, I can't even change the page by tapping on the…
I can't figure why my widget ScrollViewStory won't update when CurrentStoryModel.instance changes. Is there a problem with the fact that CurrentStoryModel is a singleton ? Here are the widgets: class Story extends StatelessWidget { @override Widget build(BuildContext _) { return…
In my Flutter app, I have pages with multiple user profile images. Sometimes 20 of the same user profile image. For every image, I fetch the download URL from Firebase Storage and use a FadeInImage. Will Firebase Storage count every…
I'm trying to deserialize a json file and create instances from it but whatever way I use, I end up stucked because of the dynamic type : type '_Map<String, dynamic>' is not a subtype of type 'Map<String, int>' Here's my…
i have just recently stated working with riverpod state mangement in flutter. i have issue related to comunicate between to state providers. here is my sample code: class SomeClass_ONE extends stateNotifer <SomeState> { SomeClass_ONE({required this.somevalue}):super(null); final SomeCustomClass somevalue; void methodOne(SomeState…
I have to sort items of a class created with @freezed annotation. I have added Comparable interface to the signature. It is causing following compile time exception: Error (Xcode): lib/models/app_language.freezed.dart:143:7: Error: The non-abstract class '_$_AppLanguage' is missing implementations for these…
await launchUrl(Uri.parse("mailto:")); Takes me to compose, I just want to open the mail app. I expected to open the mail app, but it's not working, please suggest any package or lib for it
I tried to use Moralis API to call NFT via wallet address, but got following error. Unhandled Exception: type 'Null' is not a subtype of type 'String' These are the code lines that were pointed out as having errors. final…
I a creating a Login page with SQLite, but in the file UserModel in directory lib/models, there is this error: This is the code: class UserModel { String _name; String _email; String _password; UserModel(this._name, this._email, this._password); //Receiving data from server…
class MyApp extends StatelessWidget { const MyApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( theme: ThemeData( primarySwatch: Colors.lightBlue, scaffoldBackgroundColor: const Color(0xFFb4c8ea), ), home: const MyText(), ); } } class MyText extends StatelessWidget { const MyText({super.key}); @override Widget build(BuildContext context) {…