Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged Dart
0
votes
1.3k
views
1
answer
dart - copy project / folder flutter to another computer
I copied a project that I am developing in the notebook to my desktop computer, but the path where the ... desktop. enter image description here See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
895
views
1
answer
dart - How do I prevent an on.submit event from changing/reloading the page?
In Javascript when I provide an onSubmit function, and I return 'false' from the function, it prevents the ... and changing/reloading the page? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
883
views
1
answer
dart - How to Loop through a list of elements
My question is very simple, how can i create a loop that will loop a simple list of elements. List li= ... want to create this simple animation. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.2k
views
1
answer
dart - How to detect TabBar change in Flutter?
I need to detect TabBar when I swipe then print somethings on console, how I can do that? This is my code. ... Icons.settings)), ], ) ), See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
2.3k
views
1
answer
dart - Check if asset exist in flutter
How I can check if a specific asset exists in Flutter. I'm trying to load some images and sound files and I ... ) does not exist in the assets. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.1k
views
1
answer
dart - How can I do public key pinning in Flutter?
I want to the pin the public key of my server so that any request made to the server has to have that public ... can I do the same with Flutter? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
843
views
1
answer
dart - Dynamically create polymer element
I have defined login element as follows: <polymer-element name="my-login" extends="form"> <template> ...< ... that extends other HTML element? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.2k
views
1
answer
dart - How do I check type of an object in a switch/case?
I see in examples this code: if (obj is User) { // do something } I want to check the type of the object ... to check the type of the object? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
2.6k
views
1
answer
dart - Flutter: Send JSON body for Http GET request
I need to make a GET request to an API from my Flutter app which requires request body as JSON (raw). I ... for Http GET request in Flutter? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.5k
views
1
answer
dart - Flutter button with custom shape - (triangle)
I've created a circular button which in this case is RawMaterialButton and I'm trying to use CustomPaint to ... circular button with a triangle. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.3k
views
1
answer
dart - How to set border radius to bottom app bar in a flutter app?
I want to set the borderRadius to an Bottom Navigation App Bar as its shown in the image. I have tried to put ... onTap: _onItemTapped), ); } } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.1k
views
1
answer
dart - How to delete a Firebase Storage file with flutter?
I'm new to both Flutter and Firebase, so bear with me on this one. I am trying to delete a File in my ... and you would need to change it. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
2.4k
views
1
answer
dart - How do I fix "No pubspec.yaml file found" in flutter?
I am using Windows 10 with VS Code, although I also tested it on PowerShell, and both produced the same result: ... Beta 3, it finally worked. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.0k
views
1
answer
dart - Change TextField's Underline in Flutter
I'm working on an application using Flutter SDK. When I use a TextField widget, and I focus it, the underline ... , , not the label color. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
911
views
1
answer
dart - Combine/merge multiple maps into 1 map
How can I combine/merge 2 or more maps in dart into 1 map? for example I have something like: var firstMap = {"1":"2"}; ... "1":"2", "1":"2"}; See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.2k
views
1
answer
dart - Flutter video_player dispose
I'm using provider with video_player to manage the state. VideoProvider has: videoPlayerController = VideoPlayerController. ... causes an error. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
888
views
1
answer
dart - How to add Polyline on Google Maps Flutter Plugin?
I'm using the official Google Maps Flutter plugin to show maps and it works perfectly well but now I want to ... only need to add the Polylines. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.2k
views
1
answer
dart - How to get the claims from a JWT in my Flutter Application
I am writing a Flutter/Dart application and am getting a JWT back from an auth server that has some ... "modern" Dart/Flutter application? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.3k
views
1
answer
dart - How to save to web local storage in flutter web
I have a web site built with flutter for web and currently, am trying to save to web local storage or cookie ... plugin or way to archive that. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.1k
views
1
answer
dart - How to style AlertDialog Actions in Flutter
I use this method to show a AlertDialog: _onSubmit(message) { if (message.isNotEmpty) { showDialog( context: ... how to style the buttons? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.5k
views
1
answer
dart - Flutter - Conditional library import in flutter-web
Supposing that audioplayers|lib/audio_cache.dart worked only on Android/iOS, I conditionally exclude the following import from ... : 'sounds/'); See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.2k
views
1
answer
dart - Flutter: Shared Preferences null on Startup
Problem: Shared preference bool value is null on startup even though I have given it a value if prefs.getBool(' ... false/true is then printed. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
980
views
1
answer
dart - How can I show a snackbar after navigator.pop(context) in Flutter?
We need close one screen and open a second screen. And show snackbar on the second screen from first screen. ... has already been listened to. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
2.4k
views
1
answer
dart - "$ flutter build web" is throwing the error "Missing index.html"?
When I run: $ flutter build web I'm getting the error Missing index.html. The flutter app is displaying in the ... I debug, or fix this problem? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
854
views
1
answer
dart - Can i put List into SharedPreferences in Flutter?
Can I put ArrayList or List object to SharedPreferences in Flutter? Cause I just realized that flutter haven't ... list of my favorite books. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.5k
views
1
answer
dart - Flutter How to refresh StreamBuilder?
Consider the following code: StreamBuilder<QuerySnapshot> _createDataStream(){ return StreamBuilder<QuerySnapshot>( stream: Firestore ... }, ), See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
1.1k
views
1
answer
dart - How to take screenshot of widget beyond the screen in flutter?
I am using RepaintBoundary to take the screenshot of the current widget which is a listView. But it only ... be captured in multiple images. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
912
views
1
answer
dart - how to get data from firebase in flutter
I am building a flutter app and using cloud-firestore, this is how my database looks like I want a function that retrieves ... , ); }, ); } } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
Page:
« prev
1
2
3
4
5
6
7
8
9
10
11
12
...
31
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] TypeScript中,联合类型可以取代枚举么?
[2] reactjs - Why do I get Undefined
[3] javascript - How to implement onclick function in anchor tag while dealing with Spring MVC
[4] node.js - MySQL 8.0 - Client does not support authentication protocol requested by server; consider upgrading MySQL client
[5] vscode python插件无限加载loading...,无法运行代码
[6] ubuntu - Cassandra initial connect with gocql
[7] java - Files.move(...) throwing FileSystemException: The process cannot access the file be cause it is being used by another process
[8] continuous integration - Drone ignores pullrequest:created webhook sent from bitbucket cloud
[9] algorithmic trading - Split values separated by commas into variables in Python
[10] save created excel file to azure blob container. path issue
2.1m
questions
2.1m
answers
60
comments
57.0k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
...