Questions tagged [flutter]
Flutter is an open-source UI software development kit / framework created by Google. Flutter apps are written in the Dart language. It is used to develop cross platform applications for Android, iOS, Linux, Mac, Windows, Google Fuchsia, and the web from a single codebase. Flutter was released in May 2017. Largest open-source platform built using UI elements.
121,133
questions
585votes
17answers
238kviews
How can I remove the Flutter debug banner?
How can I remove the debug banner in Flutter?
I am using flutter screenshot and I would like the screenshot not to have a banner. Now it does have.
Note that I get not supported for emulator message ...
- 23.9k
479votes
31answers
401kviews
How do I use hexadecimal color strings in Flutter?
How do I convert a hexadecimal color string like #b74093 to a Color in Flutter?
I want to use a HEX color code in Dart.
442votes
33answers
501kviews
Create a rounded button / button with border-radius in Flutter
I'm currently developing an Android app in Flutter. How can I add a rounded button?
- 8,333
428votes
17answers
356kviews
How to change the application launcher icon on Flutter?
When I create an app with a flutter create command, the flutter logo is used as an application icon for both platforms.
If I want to change the app icon, shall I go to both platforms directories and ...
- 7,507
391votes
12answers
556kviews
How can I add a border to a widget in Flutter?
I'm using Flutter and I'd like to add a border to a widget (in this case, a Text widget).
I tried TextStyle and Text, but I didn't see how to add a border.
- 92.4k
367votes
23answers
222kviews
No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp() in Flutter and Firebase
I am building a Flutter application and I have integrated Firebase, but I keep getting this error when I click on a button either to register, login or logout. I have seen other people have asked the ...
- 4,413
364votes
28answers
271kviews
How to change package name in flutter?
Is there any way to change Package Name of Flutter project?
I want to change package name and application name in flutter project.
- 4,287
354votes
24answers
201kviews
How can I dismiss the on screen keyboard?
I am collecting user input with a TextFormField and when the user presses a FloatingActionButton indicating they are done, I want to dismiss the on screen keyboard.
How do I make the keyboard go away ...
- 95.1k
333votes
15answers
150kviews
How do you detect the host platform from Dart code?
For UI that should differ slightly on iOS and Android, i.e. on different platforms, there must be a way to detect which one the app is running on, but I couldn't find it in the docs. What is it?
- 5,041
329votes
34answers
144kviews
Waiting for another flutter command to release the startup lock
When I run my flutter application it show
Waiting for another flutter command to release the startup lock
this messages and not proceed further.
- 21.2k
329votes
60answers
473kviews
Message "flutter run: No connected devices"
I am trying to create a sample application with Flutter (fresh installation). Android Studio is also installed (fresh installation).
Here is the output of flutter run
flutter run
No connected devices.
...
- 14k
323votes
16answers
118kviews
Scaffold.of() called with a context that does not contain a Scaffold
As you can see, my button is inside the Scaffold's body. But I get this exception:
Scaffold.of() called with a context that does not contain a Scaffold.
import 'package:flutter/material.dart';
void ...
- 11.3k
314votes
20answers
296kviews
Flutter - Wrap text on overflow, like insert ellipsis or fade
I'm trying to create a line in which center text has a maximum size, and if the text content is too large, it fits in size.
I insert the TextOverflow.ellipsis property to shorten the text and ...
- 10.1k
309votes
11answers
91kviews
flutter doctor --android-licenses gives a java error
Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema
at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaModule.java:156)
...
- 3,111
306votes
16answers
295kviews
How to do Rounded Corners Image in Flutter
I am using Flutter to make a list of information about movies. Now I want the cover image on the left to be a rounded corners picture. I did the following, but it didn’t work. Thanks!
getItem(var ...
- 3,662