Questions tagged [flutter]

Flutter is an open-source UI software development kit / framework created by Google. Flutter apps are written in the Dart language. It is used to develop cross platform applications for Android, iOS, Linux, Mac, Windows, Google Fuchsia, and the web from a single codebase. Flutter was released in May 2017. Largest open-source platform built using UI elements.

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Authenticate user in flutter and use in nodejs

I am having a flutter app (for android) and I am using firebase (google) authentication to login users. I want to use gmail api in the backend (node.js). I am not able to figure out how to send the ...
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Activity Recognition in Background using Flutter

I want to implement activity recognition in background that means if user close the application even then it'll listening the activity recognition states whether it is in IN VEHICLE, STILL or in which ...
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Is it possible to change parallax during the game using Flutter Flame?

I've added a parallax images to the game in onLoad method of the Game class. How to change the parallax images during the game or other parameters, like speed of parallax images?
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Xcode don't find file Flutter.h

I have a flutter project, which started pointing an error in the AppDelegate.h file. I have a macbook air(M1). the file: #import <Flutter/Flutter.h> //error: 'Flutter/Flutter.h' file not found #...
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How to add both TapDetector and HasTappable mixin to the game class in Flame Flutter?

I want to add Tap functionality to both the game class itself and components, but cannot add both TapDetector and HasTappable mixins to the game class! What approach should be taken?
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Flutter - How to send instant messages?

Hello how are you? I was wondering if there is a way to send "instant messages" in Flutter, are there packages that allow me to send messages, however these open the messages app first, is ...
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how to Show Parsed Json in card Widget Flutter

I just entered the Flutter framework. And I'm new. And a problem with displaying information received from JSON, I was able to display the information on the console using the forEach but I could not ...
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How do I query a json key inside a json key with a http request in dart?

I have the following structure in my api return: "data": [ { "id": 1, "user_id": 3, "uni_id": 3, &...
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Stream stuck on connectionState.waiting in flutter

I am trying to implement a Chat system which has a normal user and a therapist who can have multiple users but user scan only chat with their therapist. On user side where I used almost the same code ...
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Multiple AnimationController in ListView.builder Flutter

I’m trying to send controller value (from parent page) to animate the animations in child page. the result that i expected is only one animation that’s been clicked being animated, but what i got is ...
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API for mobile application flutter [closed]

I need to connect to SQL Server and create API's for mobile application (Flutter). My plan is to connect nodejs with mssql as middelware and communicate data with fire base. Can you please what other ...
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Widget doesn't change, although new state is called

I wanted to have a text, that changes every time one of the filter cards is selected/deselected. I made a global variable (I don't know what the best way to do that is but to me it seemed like it ...
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Correct Flutter navigation practice in Drawer

Quick question on navigation between Flutter screens from a re-usable drawer in Material App. I have a drawer set up with two navigation options in a list to Screen1() and Screen2() eg: // Go to ...
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What is the best way to define Entity initializer for Objectbox entity in flutter?

I using Objectbox in flutter/dart (1,3,0) to build my datavase. I am trying to give initialization logic to my entity constructor. I would like the mandatory fields to be filled in constrcuteur and ...
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Cannot run example flutter project. Shows an error "gradle" [closed]

Exception in thread "main" java.net.ConnectException: Connection refused: connect at java.base/java.net.PlainSocketImpl.connect0(Native Method) at java.base/java.net.PlainSocketImpl....

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