in my function there is a warning about the return (This function has a return type of 'int', but doesn't end with a return statement. ) but I dont know what is the problem . any idea? int checkValueIndex() {…
so i want to scroll horizontally and this horizontal widget are also should be able to be scrolled with the whole screen vertically i get errors while using the horizontal ListView in a parent vertical ListView
I am a flutter beginner. I use a Cupertino switch for creating switches. If I press that switch it should open a container below the switch otherwise the button should stay the same. How to achieve this? I tried. But…
This is my API Future<void> getItems(int id) async { final uri = Uri.parse('$kApiUrl${kApiUrlItems}P_ID=$id'); http.Response response = await http.get(uri).timeout(kTimeoutDuration); //5 sec try { if (response.statusCode == 200) { //ok } else { await Fluttertoast.showToast(...); } } on SocketException catch (e) {…
I try to get a list of youtube categories with flutter. But i get this message all the time. I'm not very good with models and factory's yet so i hope you can point in the right direction. This is…
I want containers with an image and the containers should have the option of selecting and unselecting like a checkbox. How to achieve this? MaterialApp( debugShowCheckedModeBanner: false, home: Scaffold( body: Column( crossAxisAlignment: CrossAxisAlignment.start, mainAxisAlignment: MainAxisAlignment.start, children: [ Padding( padding: const…
i am trying to get a list of coordinates from a geojson data , everything works fine when the coordinates are not in array for example here the last 4 coordinates, I am trying to do this to get borders…
I want to cypher / uncypher binary data from PHP to Dart (and dart to PHP) in AES256. My code is working for text data, but not for binary data. Can anyone help me to solve this problem ? In…
I am successfully receiving a JSON object in the following function: class PostsAPI extends WebService { final userStorage = UserStorage(); Future<dynamic> getFeedPosts() async { final token = await userStorage.getUserToken(); final response = await get( endpoint: '/api/posts', token: token, ); if…
First of all, this is the error that I encountered: /C:/Users/AppData/Local/Pub/Cache/hosted/pub.dev/firebase_auth_web-5.2.2/lib/firebase_auth_web.dart:92:45: Error: The argument type 'Future Function()' can't be assigned to the parameter type 'Future Function(App)?'. 'Future' is from 'dart:async'. 'App' is from 'package:firebase_core_web/src/interop/app.dart' ('/C:/Users/Grace%20Computer/AppData/Local/Pub/Cache/hosted/pub.dev/firebase_core_web-2.2.2/lib/src/interop/app.dart'). app.dart:1 FirebaseCoreWeb.registerService('auth', () async {…