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Questions tagged [flutter-onpressed]

72 questions
4
votes
2 answers

Use async function with RaisedButton onPressed() to pass object to another route

I want to be able to press a button an Navigate to another screen while passing an object as an argument. The object is created with the getPlayer() function that is within a different dart file; hence, the async function. Whenever I run the code I…
Ayren King
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calling setState from the parent widget in flutter does not update the state

Parent Widget class _FamilyListPageState extends State { String initialValue = 'Search Families'; void eraseInitialValue() { <-------------- This function is passed down to the child widget setState(() { …
CodeR_Ax20
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2 answers

Making a new list from existing list in flutter; changes both list upon action on new list

i am making a list in flutter from an existing list and when i used this new list and perform some action on it like change its quantity parameter it changes the parameter of existing list also. Can some one tell me where i am going wrong. Existing…
Umair
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1 answer

Flutter ImagePicker - Getting image asynchronously in onPressed shows lint warning

I am implementing a profile picture upload with ImagePicker and put the logic into the onPressed function of a button like this: OutlinedButton.icon( icon: Icon(Icons.upload), label: Text("Select profile picture"), onPressed:…
Big_Chair
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2
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1 answer

Flutter: is it possible to resize IconButton when it is clicked (onPressed)?

I have a row, whose children are few buttons. I use them to pick color of my item, and when one icon is clicked I save color on server. Now, I would like the chosen Icon to resize (to get bigger). So that it really look like "selected". Do you have…
No Ziffer
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2 answers

ElevatedButton doesn't react after clicking in Flutter

i have two TextFormFields (name and age). After typing something in inputs and clicking 'send' nothing happens. Here's my code: my edit_page class UserForm extends StatefulWidget { const UserForm({Key? key}) : super(key: key); @override …
Adam
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1 answer

Flutter theme changing clicking on IconButton and SwitchTile

My app currently has a SwitchTile in the Drawer to set the theme but I also want to change it in a detail page using an IconButton. I'm a newbie in Flutter and programming, so I'm not an expert and I think that I'm using the onPressed event in the…
theFreeman96
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2 answers

onPressed create multiple instances of CheckboxListTile in Flutter

I'm new to flutter so I'm not sure how to go about this. I want to be able to add another instance of the same CheckboxListTile when a user presses a button right below the most recent CheckboxListTile. The code for how it currently is is…
Fira Shofa
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3 answers

Staggered grid view Flutter onTap is not working on tile in my code

import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import 'package:landregapp/HomePage.dart'; import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart'; import…
Nns_ninteyFIve
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vote
1 answer

Make onPressed wait for ads to be loaded

let me tell you the process I want and what is happening Process: Press the ElevatedButton then show adScreenLoadingDialog till _isAdLoaded=true then display the ad and go to the next screen. What is happening: there are two conditions: First, if…
H Amr
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1 answer

Closure call with mismatched arguments: function '_TasksListState.build..' Receiver: Closure: (bool) => Null

task_list.dart import 'package:flutter/material.dart'; import 'package:todoey_app/widgets/task_tile.dart'; import 'package:todoey_app/models/task.dart'; class TasksList extends StatefulWidget { @override State createState() =>…
Gole Book
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3 answers

Select and Unselect (other) Buttons when clicked

I have a Grid.View.builder with Buttons inside. I want to be able to select just one Button at a time! At the moment I can select Buttons but when I select other buttons the previous Button stays selected. How can I achieve this? In…
Val
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1 answer

Flutter button doesn't work when passing variables between files

I'm building a workout app with a sign out button and a delete exercise button. I've made a single file instead of 2 and passed variable. I did this so That I don't have to make 2 files. the problem is with function; in the onPressed call back in…
MuhammedHazem
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3 answers

ElevatedButton disable onPressed

There are 4 ElevatedButtons in my widget in a Row. If one of them is pressed an image will be shown based on the button. This image comes from an API so it takes a bit to load. Is it possible to disable the not-selected buttons while the data from…
Ballazx
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1 answer

how to get dynamically the id from list - flutter

I have a cardView list DUMMY_CATEGORIES on my homepage called from a category model with an id. I want to pass the id in my homepage and then open a new page performing a onPressed method. How can I do that? This is my Homepage class _HomePageState…
Giovanni
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