Questions tagged [flutter-state]
369 questions
0
votes
2 answers
flutter Image is not capturing onTap button unless doing hot reload
I was trying to capture the image when tapping the InkWell button but nothing is capturing, but it working fine only after hot reloading the app. I didn't understand where the mistake is. Could anyone help me to capture the image without doing a hot…

shanmkha
- 416
- 1
- 8
- 27
0
votes
1 answer
Flutter access State from it's StatefulWidget
I'm writing a Application, where Widgets and their State need to be saved to Disk and later be restored. In order to save a StatefulWidget I need to access it's corresponding State object.
Here's how I imagined the code to look like:
class Block…

Luke
- 365
- 3
- 10
0
votes
2 answers
How to listen for state changes inside a FutureBuilder widget and reflect the state change?
to demonstrate the problem, let me write down some code for a FutureBuilder.
FutureBuilder(future: _myFuture, builder: (context, snapshot) {
if(snapshot.hasData) {
// !!!! IMPORTANT !!!
// Pay attention to the _isFirstText…

CodeR_Ax20
- 91
- 1
- 8
0
votes
1 answer
How to add a marker to a google map upon tapping button on the parent widget in flutter
I have the following class for a google map in Flutter.
class ExchangeHousesMap extends StatefulWidget {
final List markers;
final double initialLatitude;
final double initialLongitude;
const ExchangeHousesMap({
Key? key,
…

CodeR_Ax20
- 91
- 1
- 8
0
votes
1 answer
My custom dropdown widget throws an error when trying to set an initial value for it using a model instance
I have the following custom dropdown widget that I have created.
class CustomDropdown extends StatefulWidget {
final Color? textColor;
final Color? backgroundColor;
final Color? iconColor;
final bool? boldText;
final Object? initialValue;
…

CodeR_Ax20
- 91
- 1
- 8
0
votes
1 answer
Provider not rebuilding on flutter
suddently from nowhere i came up with provider not re rendering my home page when it's updated. I've inspected it and it IS UPDATED. It has newer data when i change it in firebase but the UI won't re-render showing the new data. That's my code:
Main…

Alverd04
- 13
- 1
- 5
0
votes
1 answer
Flutter Widget not updated by NotifyListeners
I have a radio button that doesn't update on Notify Listeners despite the groupValue is updated, the radio choice isn't updated. I use multiproviders.
Here is the Radio Choices
ListTile(
leading: Icon(
…

Ammar Mohamed
- 513
- 1
- 6
- 16
0
votes
0 answers
Flutter Button statemanagement using provider
In my flutter application I have a button for follow and unfollow a user.
buttonstate.isSelected && widget.user!.isFollowing == true
? ElevatedButton(
onPressed: () async {
…

Febin Johnson
- 277
- 1
- 6
- 21
0
votes
2 answers
How to update a list in initState() flutter after the api call?
So I have a Stateful Widget which has a List variable I want to update from the API call. My issue is that the List is empty even after I do the fetchItems() in the initState().
How can I then update the itemsList with the content of the fetchItems…

dianesis
- 333
- 4
- 17
0
votes
1 answer
My stateful widget does not update the ui, even though I am calling setState and passing the correct value to the widget class
I ran into a bit of a problem in flutter that I could not figure out myself.
So I have the following code (only the important parts of the code are pasted),
class _PrimaryDetailsEditState extends State {
String bankName; …

gfit21x
- 141
- 9
0
votes
1 answer
setState is not updating the UI even though state is updating
I am trying to wait till amplify configuration is done then load the login screen. Even though state seems to be getting updated I am still getting the loadinscreen. Why is that?
I am not sure if setState is proper method on the init : Importance of…
user3697484
0
votes
1 answer
Trouble with Flutter stateless widget call
I'm having trouble calling a page from my bottom navigation bar. My nav code looks like this:
import 'package:flutter/material.dart';
import 'package:flutter_client_app/home_screen.dart';
import…

Matthew Niculae
- 35
- 5
0
votes
2 answers
Flutter textfield is not updating another variable
I have the following widget.
import 'package:flutter/material.dart';
class AddTaskScreen extends StatelessWidget {
@override
Widget build(BuildContext context) {
String? newTaskTitle;
return Container(
color: Color(0xFF757575),
…

Pranta
- 2,928
- 7
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- 37
0
votes
1 answer
Flutter build called multiple times from FutureBuilder
I'm developing an app with an infinite scroll. My scroll is returned inside futurebuilder.
@override
Widget build(BuildContext context) {
return FutureBuilder(
future: VideoService.getFeed(page: page),
builder: (context, AsyncSnapshot…

Mikhail Trunov
- 79
- 1
- 4
0
votes
2 answers
How can I use a method of state class in any another state class of same Project?
I have a long method in a State class which I want to use in any other state class. So How can I do such that ?