For questions relating to Flutter's AlertDialog class. Use this tag in combination with the general [flutter] tag. If your question applies to Flutter more generally, use the [flutter] tag only.
Questions tagged [flutter-alertdialog]
157 questions
3
votes
2 answers
Close AlertDialog on Navigating back from second screen and refresh page flutter
I have a method which check if the current users location is set, if not, open an alert dialog with two buttons: Cancel and Update Profile. the onPressed of the Update Profile button navigates to a second screen with a form to update users location.…
ombiro
- 869
- 1
- 12
- 19
3
votes
4 answers
How to center AlertDialog FlatButton in Flutter
How can I style the FlatButton to be aligned on center without having to create a custom AlertDialog?
AlertDialog(
title: Text(
'Alert Dialog'.toUpperCase(),
textAlign: TextAlign.center,
style: TextStyle(fontWeight:…
jojo
- 31
- 1
- 3
3
votes
1 answer
How to show 2 consecutive Dialogs in Flutter
I have a list with a Dismissible widget. When the user swap startToEnd I would like to sow a dialog when the user can add a note. Once the user click ok in that dialog I would like another dialog to pop to confirm a note was added and then disappear…
M4trix Dev
- 1,828
- 3
- 23
- 48
2
votes
1 answer
How to implement progressindicator within a alertdialog in flutter?
I am new to flutter and I am trying to learn the platform. So, here I am trying to display information from jsonplaceholder onto a alertdialog while is activated when a button is pressed in main.dart(I haven't included the code here). While the data…
Ritwik Das
- 23
- 4
2
votes
1 answer
How to auto dismiss an AlertDialog box after getting GPS point?
I am trying to make a dialog box that displays "text" after getting the location and then doing... Navigator.of(context).pop(); to auto close the dialog
Help! I am starting at Flutter... here's the code
import 'package:flutter/material.dart';
import…
BobLearnsToCode
- 23
- 5
2
votes
1 answer
AlertDialog button doesn't function in Flutter
I have a TextFormField inside an Alert Dialog which is supposed to close only after the TextFormField value has been validated or show an Error Message in case no input was provided. However, as things stand, the button doesn't seem to work at all…
coolhack7
- 1,204
- 16
- 35
2
votes
1 answer
values in alert dialog not update from outside
I need to show a progress bar like below :
I have implemented it this way but the value inside the progress bar is not updated :
use upload() function to simulate file upload by submitting a test POST request
use StatefulBuilder() for convert my…
Huseyn
- 372
- 1
- 7
- 20
2
votes
1 answer
RangeError (RangeError (index): Invalid value: Valid value range is empty: 0) error when deleting an item from a list from an alert dialog
I am pretty new to flutter and am following a course and ran into this error:
RangeError (RangeError (index): Invalid value: Valid value range is empty: 0)
Background
The simple app I am writing to learn flutter is a task management app where we…
Ten Digit Grid
- 1,315
- 4
- 22
- 43
2
votes
1 answer
Incorrect use of ParentDataWidget (No stacktrace)
I have the following layout for an alert dialog:
AlertDialog(
title: Text('Some Text'),
content: StatefulBuilder(builder: (BuildContext context, StateSetter setState) {
return Container(
height:…
tomerpacific
- 4,704
- 13
- 34
- 52
2
votes
1 answer
Cannot compile SchedulerBinding.instance.addPostFrameCallback and executeAfterBuild() async not working either
In my app the user is presented with a puzzle, drawn by a re-implementation of Flutter's CustomerPainter class and accepting moves made by tapping on the Canvas. The Canvas is continually updated and re-drawn to show the moves. When the user makes…
Ian Wadham
- 21
- 3
2
votes
2 answers
How to return Alert in widget in flutter
I'm trying to create a custom Alert dialogue using this package rflutter_alert . But when return the Alert it gives me this error
The argument type 'Future' can't be assigned to the parameter type 'Widget?'.
Update:
here i created a custom…
TimeToCode
- 1,458
- 3
- 18
- 60
2
votes
2 answers
flutter alert dialog not updating from outside the function
i want to make a download progress message inside the alert dialog but state not updating inside the the modal
the is the download function using dio
downloadBook() async {
Directory tempDir = await getTemporaryDirectory();
var response =…
FLASH TUBE
- 33
- 4
2
votes
1 answer
Flutter Windows : TextField does not allow space if it is placed inside AlertDialog
One hour ago I discovered a TextField strange behavior when I place it inside AlertDialog it does not allow typing space Otherwise it behaves normally here is my code:
//================Flutter doctor -v
[√] Flutter (Channel stable, 2.0.2, on…
aym1781969
- 545
- 1
- 4
- 16
2
votes
1 answer
Flutter AlertDialog widget size issue on different resolution devices
https://i.stack.imgur.com/oUxNk.jpg
I wanted like this. I have used RadioListTile in ALertDialog. It results in diffrent sized Dialog box in different android devices. Thus resulted in overflowing pixel errors or just a black screen.
Here is my…
Dayona Joseph
- 31
- 6
2
votes
2 answers
Flutter - returning content from AlertDialog
the idea of the code is that when the user press add, he can type a barcode or simply exit from the alert Screen. When the barcode is validated, an object is generated from this barcode, and it is added to the actual market cart. this code already…
user202684
- 71
- 2
- 6