False type when returning data from future because of parsing nested structure with list

I am new to flutter and have experiences only with PHP, therefore you may find my questions nonsensical. If so, please do explain me what I am getting wrong, thank you...

Error with my FutureBuilder and dropdown button

I have a problem with my DropdownButton. I take values from a json file and the problem is that when I try to select a value from dropdownbutton I have an error that s...

Update forms in FutureBuilder

I want to be able to update my forms in a futureBuilder. I need the futureBuilder to retrieve all the datas from the player in my DataBase. I am setting my initial val...

Trigger rebuild of other widgets after FutureBuilder finishes

I have a page with two main widgets: a futurebuilder that contains a list of elements taken from an api and an appbar. The appbar content (a row of days) is grayed out...

How to call 2 Future functions that return Future values in FutureBuilder?

I am working on a complex web application in which from time to time, I need to fetch data from backend API. Sometimes, I need to call 2 future functions in Future Bui...

(Flutter Futurebuilder) the appbar title wont load as soon as the page changes

<pre><code>import 'dart:convert'; import 'package:flutter/widgets.dart'; import 'package:flutter_app/home_page.dart'; import 'package:flutter_app/login_page.dart'; import...

Flutter How to show data in listview.builder inside future builder with provider

I am working on an app where i am getting json response from api. I want to store all the objects coming from api into a list and then i want to show that list in a li...

is there a better way to write a document stream builder?

Is there a better way to write this code? The application is about jobs and job applications. Each job can have multiple job applications. if the job is...

How to add List Item to FutureBuilder ListView without reloading the data from remote server? [Flutter]

I'm new in flutter, I'd like to know how to add an item list <strong>dynamically</strong> to ListView without reloading data in <em><strong>FutureBuilder</strong></em>...

scrollcontroller doesnt work with futurebuilder

i have an api call that upload data by offset, my goal is to load 10 by 10 on user scroll down, the problem is that i can't scroll down and show more data: here is my...

The method contains was called on null

Hey guys this is my code: Im trying to display available time slots for my booking app. <pre><code> Expanded( child: FutureBuilder( future: getTime...

Flutter search query

Can you please help me with the following issue. I don't know how to fix my search query. For example, if I search for an Apple with the first letter upper...

Flutter how i can use a setState event without refresh my futurebuilder

I have a question. At the moment i try to build a category list with data from firebase. To load the data i use a futurebuilder. Here my category...

FutureWidget cant be assigned to the list type widget

I'm making a dialog screen which contains a dropbox and list view like below. <pre><code>showDialog( context: context, builder: (BuildContext conte...

initialData in FutureBuilder - Flutter

What is the purpose of <code>initialData</code> in <code>FutureBuilder</code>? The documentation says:- <blockquote> The data that will be used to create the sn...