I am a React JS / native developer that trying to learn Flutter. This is an example object from my external API. [ { "place_id":224809725, "licence":"Data © OpenStreetMap contributors, ODbL 1.0. https://osm.org/copyright", "osm_type":"node", "osm_id":637895939, "boundingbox":[ "6.5834343", "6.6634343", "80.5031464", "80.5831464" ],…
While app is loading I'm trying to load some json: final contentJson = await rootBundle.loadString('assets/content.json'); But app loading stucks and white screen is displaying. No errors appear in the console. Here my pubspec.yaml: flutter: generate: true uses-material-design: true assets: -…
I declared a late variable - late String uid; as shown and tried to initialize it later on. This is my full code late String uid; @override void initState() { fetchUserID(); super.initState(); } void fetchUserID() async { final user =…
`my problem is when i pop this screen then come back , i can't access to ref.read and and exception Bad state: Cannot use "ref" after the widget was disposed import 'package:flutter_riverpod/flutter_riverpod.dart'; import 'package:learn_with_lina/providers/messages_provider.dart'; class _CallScreenState extends ConsumerState<CallScreen> { void…
I am having trouble with performing a CRC-64 ECMA calculation in Dart. While I am getting a result, it is not correct, as evidenced by a Python script that performs the same CRC calculation. Here's the Python code: def crc64ecma(data):…
How to center middle element in a row of 3 elements (where every element has different length), I want side elements to be maximally on the left/right side and middle element to be exactly on middle? Row( mainAxisAlignment: MainAxisAlignment.center, children:…
I’m trying to make a container which contains both an image and text. The problem I need help with is that I cannot add text alongside a picture. To be clear, I want the text and image to be inside…
class Hotel { static final Map<String, List<String>> mapInformation = { 'Americana Hotel': [ '4.3*', '$4000 / Night', ], }; String getPrice(String favouriteElementsName) { return mapInformation[favouriteElementsName]?.elementAt(1) ?? 'It may need fixes'; } String getRating(String favouriteElementsName) { return mapInformation[favouriteElementsName]?.elementAt(0) ?? 'It may…
I have a widget that uses the resizeToAvoidBottomInset property on a column. Here it is below with some irrelevant details like decoration taken out: Widget build(BuildContext context) { return Scaffold( body: Column( children: [ TextField( maxLines: 1, maxLength: 6, controller:…
I have used webview_flutter to load my site url, and used a JavaScriptChannel for two way communication between javascript and dart, as i want some native result from Android/IOS platform to javascript. In Flutter controller = WebViewController() ..setJavaScriptMode(JavaScriptMode.unrestricted) ..addJavaScriptChannel('FlutterChannel', onMessageReceived:…