how to create instances of StreamBuilder<UserModel>

I have this part in my code that I want to repeat throughout the project and I wish to just be able to call this function elsewhere, but the problem is that you need t...

Bloc pattern does not show newly added user to sqflite on screen

I am using <code>sqflite</code> database to save user list. I have user list screen, which shows list of user and it has a fab button, on click of fab button, user is...

StreamBuild: stream, calling a method that returns a Firestore Stream does not retrieve data until update

I'm hoping that someone can explain why there is different in behavior when explicitly calling <em>Firestore.instance.collection('data').snapshots()</em> vs calling a...

StreamBuilder is not showing data from firestore

I am using streambuilder to display snapshot data but it is not displaying. The screen is just blank but When I use the future builder with get() methode it display t...

How to fix - The body might complete normally causing null to be returned --FLUTTER

I am using a stream builder to fetch some data from Firebase but it's giving me an error <blockquote> The body might complete normally causing 'null' to b...

How do I create Flutter stream builder?

I have an updateDatabase function that retrieves the data from the Firebase Real-Time Database and saves it in the shared preferences ... I put this functi...

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...

Does Flutter StreamBuilder work for widgets further down the widget tree?

I have placed the streambuilder at the top of the widget tree to listen to a stream. If the stream has data and the data contains A, it will return Apage() as shown in...

Flutter Stream Builder Triggered when Navigator Pop or Push is Called

I have a stream builder in the app's home/root page. This stream builder gets triggered whenever I do a page-navigation elsewhere, which has nothing to do with the str...

StreamBuilder ListView with timer

in my Flutter project i am using a StreamBuilder to fetch posts from Firebase Firestore and i am displaying the posts in a ListView, every time a post is added or dele...

Ui is updating only for last stream in flutter

I am making a sms_app that can get data from the List of Objects when I press the button <strong>send the sms</strong>.Objects have a method which returns a stream. I...

Getting StateError (Bad state: Too many elements) while streaming in Dart/Flutter

I'm using Multiprovider to provide my custom GameLobby class like that: <pre><code>var game_lobby = GameLobby(user: user); return MultiProvider( providers: [...

How to create a search bar and list (created with StreamBuilder and Listview from FireStore) scroll together?

I'm relatively new to flutter/dart, and I'm trying to get the formatting on one of my pages working. I would like to have a search bar at the top followed by a list (f...

Will this package cause performance issues?

<em>This question was first posted to <a href="https://reddit.com/r/flutterdev" rel="nofollow noreferrer">r/FlutterDev</a></em> I wrote a 2 class (+ some extens...

Flutter - [Get] the improper use of a GetX has been detected. In StreamBuilder

So I try to use getx to change some value inside the singleStudentDataMobile open from a streambuilder and it throw this error and I dont know hot to fix this I...