Issue Is there anyway to get a future when displaying a list? I have list with two user id’s ( one of them is the userlogged in, the other one is the user to chat with ). my goal is
Continue readingTag: flutter-future
Error :The method 'update' isn't defined for the type 'DatabaseException'. Error: The method 'delete' isn't defined for the type 'DatabaseException'
Issue With null safety enabled, I’m using the new dart version <2.18.1>. this is my code import ‘dart:async’; import ‘dart:io’; import ‘package:path/path.dart’; import ‘package:path_provider/path_provider.dart’; import ‘package:sqflite/sqflite.dart’; import ‘package:untitled3/product.dart’; class ProductDBHelper{ static final _databaseName = ‘mydb.db’; static final _databaseVersion = 1;
Continue readingWhat should I do when I have to use "void function() async" as a last resort in Flutter?
Issue My function is as follows: void function() async { … } I used the above function in Widget build(BuildContext context). Actually, I want it to be Future<void> function() async instead of void function() async. However, I can’t use await
Continue readingPass token between future classes in flutter
Issue I been reading multiple threads about passing data between futures, but for some reason I can get this to work.:( I have two futures, where the first future is doing post request to retrieve a token Future<AuthStart> fetchAuthStart() async
Continue readingFutureBuilder snapshot is empty but Future has correct data AND FutureBuilder constantly refreshing – Flutter
Issue I have screens in a TabBarView that share data so I decided to wrap the TabBarView in a FutureBuilder and pass the data from that into both screens. The Future is called fetchUsersAndPosts() and it is meant to return
Continue readingCorrect way to load ListView data source initially
Issue I have a stateful widget whose state builds a ListView. The ListView gets its data from an http API. I am using a Future<void> method called getData to retrieve this data and populate a List<> with it before calling
Continue readingFlutter: Cannot retrieve data from a Future function on FutureBuilder
Issue I’m building a receipt scanner using the Flutter OCR plugin provided by Veryfi. Here’s a Stream function that reads an image and returns a dynamic array containing the necessary values. Note the credentials from VeryfiDart are removed. The showImage
Continue readingHow can I use a Variable of JSON data in Flutter (not a listview)
Issue I’m asking after looking into a lot of examples and similar questions, but I can’t get my head around. I just want to get certain data from an id in a json map into Flutter. What I receive via
Continue readingFlutter progress indicator with slow async method
Issue when i try to use CircularProgressIndicator with slow async method, indicator is not shown. When i replace slow custom method with Timer.pereodic() that works fine. I am new in Flutter and do not understand what i am doing wrong
Continue readingHow can I update the data fetched from a future bilder in Flutter?
Issue In my app I have a screen which contains 3 different future builders, I would like to update the data recovered from a future builder. I tried the setState () method but this updates all 3 future builders on
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