Category "flutter"

Missing type arguments for generic type 'Future<dynamic>'. Try adding an explicit type, or remove implicit-dynamic from your analysis options file

How do I resolve this issue without removing the implicit-dynamic form analysis options file? Error: My Code: Future<void> _scrollToBottomOnKeyboardOpen(

flutter LinearGradient transparent to white overlay

I am trying to make a container that fades from transparent to white. I'll put it over stuff so it looks like the content behind is fading away into the whitene

What's the best way to make a spinning wheel?

I'm trying to make a wheel that can spin when a user drags up and down on a screen. It's essentially an infinite vertical scroll. So far I can make it turn wh

Flutter Search Delegate Taking Full Width

I made a master-detail type view app using flutter, running on flutter desktop. I implemented the SearchDelegate on appBar, but it takes the full width of the a

how to store the location data in flutter?

import 'package:firebase_core/firebase_core.dart'; import 'package:firstapp/screens/Login_screen.dart'; import 'package:firstapp/screens/authunication/phone_aut

AWS Amplify Flutter: how to create platform endpoint?

Short version of my question: I have a Flutter mobile app that uses AWS Amplify to handle user sign-up and log-in. Now I need to add push notification capabilit

visual studio code keeps display an error after updating flutter to v 2.10.3

after upgrading my old flutter with latest version of flutter 2.10.3 vs code keeps display the errors down below : /C:/flutter2/packages/flutter/lib/src/mater

An unexpected packet was received before the handshake. - Android Studio

When I run the Flutter project on Android Studio, before running the application on the emulator, the event log displays "An unexpected packet was received befo

How can I Make from Flutter Project files a one single file to install it on Android or IOS?

I am just starting learn Flutter, I build a simple as you see on the photos. My problem is I have a windows 11 and I don't have any MacOS Device, But I want to

Requires SDK version >=2.16.0 <3.0.0, version solving failed

The current Dart SDK version is 2.14.4. Because trackkit requires SDK version >=2.16.0 <3.0.0, version solving failed. pub finished with exit code 1 My pu

different in signature in Dart & node

am trying to make a signature for a HTTP request , using flutter/dart for the app and the server in NodeJs but i have a problem there is little different betwee

The argument type 'double' can't be assigned to the parameter type 'VisualDensity?'

IconButton(//... visualDensity: VisualDensity.minimumDensity,), // The argument type 'double' can't be assigned to the parameter type 'VisualDensity?'. Why can'

Security in Flutter apps

I noticed that for flutter there isn't a plugin or similar that manages security vulnerabilities of apps. The code can be obfuscated with the --obfuscate optio

How to solve Could not determine the dependencies of task ':app:lintVitalRelease' [status code 502 from server: Bad Gateway]

Hi I am trying to build an app of flutter, but I get this error log FAILURE: Build failed with an exception. * What went wrong: Could not determine the depende

Flutter + auto_route. No route generated for a flutter package project

I created a Flutter-Package-Project and tried to generate the project route using auto_route, but unfortunately no route will be generated, but also no errors,

Flutter - FutureBuilder in SearchDelegate with Delay Request

I was struggling implement simple search function using SearchDelegate. I want to wait 2 second after user stop typing and then make a call request to an API. I

Listen a ValueNotifier from class

Hi im new in flutter and i have a class for notify changes of a global values in my app like this import 'package:flutter/material.dart'; class GlobalNotifier

Problem with time picker not working flutter

Problem with the time picker not working when I choose the time it should be typed automatically in the field code : https://codeshare.io/WddQvl onTap: () {

How to map nested freezed union classes to drift/moor sql tables?

I need to save this Objects into a SQL/Drift DB, how can/should I design die Tables/Rows for an efficient mapping? Here is are examples of a (deep)nested union

Flutter Spinner date picker (CupertinoDatePicker) change order/swap location

I want to use Spinner date picker but I did not find it in flutter packages I found something similar CupertinoDatePicker which works fine. but I can't change