我试着做一个复杂的布局。当我在代码下面做的时候,它没有显示图像和它下面的文本,也没有错误。
所以不知道这背后发生了什么。
试图使图像在应用程序的底部,轻微的叠加和需要滚动的图像和内容。
我使用Stack,我需要显示的图像,完整的高度。
The following assertion was thrown during performLayout():
'package:flutter/src/rendering/stack.dart': Failed assertion: line 588 pos 12: 'size.isFinite': is
not true
我有下面的Table在Card中。由于我添加了填充小部件,我得到了以下错误:
I/flutter (19671): ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
I/flutter (19671): The following assertion was thrown during performLayout():
I/flutter (19671): 'package:flutter/src/rendering/table
我的最终目标是将Flutter移动应用转换为Flutter web应用。我在Flutter移动应用程序中使用了flutter_svg,但在Flutter web应用程序中不工作。 Flutter web的替代插件是什么? 下面是我使用flutter run -d chrome在chrome中运行项目时出现的错误。 The following UnimplementedError was thrown during paint():
UnimplementedError
The relevant error-causing widget was:
RawPicture
file://
#include <iostream>
using namespace std;
/*Stack
last in first out algorithm
pop, push, print*/
class Node{
private:
int a;
public:
Node *next;
Node(){
next = NULL;
};
Node(int b){
int a = b;
next = NULL;
}
int getValue();
};
int Node::getV
所以我试着运行我的flutter项目,然后我得到了这个错误: FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:mergeDebugJavaResource'.
> java.nio.file.FileSystemException: C:\Users\ASUS\Desktop\Programmin\Flutter\app_with_firebase\build\app\intermediates\merged_java_res\deb
我尝试使用地理编码依赖,但它不支持空安全。在项目中是否有使用地编码器依赖的方法?
这是错误
Launching lib\main.dart on Android SDK built for x86 in debug mode...
Running Gradle task 'assembleDebug'...
Error: Cannot run with sound null safety, because the following dependencies
don't support null safety:
- package:geocoder
For sol
我正在尝试运行包含"Stack“的应用程序,但它给我一个错误,它是:
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/convex_bottom_bar-2.6.0/lib/src/stack.dart:43:25: Error: The getter 'ClipBehavior' isn't defined for the class 'Stack'.
- 'Stack' is from 'package:convex_bottom_bar/src/stack.dart
pubspec.yaml
google_sign_in: ^4.1.4
apple_sign_in:
path: /home/Desktop/temp/apps/Apple/flutter_apple_sign_in/
PUB of flutter_apple_sign_in
# The following section is specific to Flutter.
flutter:
uses-material-design: true
plugin:
androidPackage: dev.gilder.tom.apple_sign_in
plug
Example 使用CupertinoPicker时,我希望使用AnimatedContainer将其动画显示在文本输入下的视图中,但当它变得可见时,我会收到溢出警告。在我看来,你不能调整CupertinoPicker的大小,只能调整它的父对象。 有没有更好的解决方案? Column(
children: <Widget>[
buildTextField(
field: 'limit',
label: 'How Many Guests?',
contro
我不明白为什么会出现这个错误。一切看起来都很好。
Error detected in pubspec.yaml:
Error on line 61, column 4: Expected a key while parsing a block mapping.
╷
61 │ assets:
│ ^
╵
Please correct the pubspec.yaml file at C:\Users\VICTOR\flutter apps\awsome_app\pubspec.yaml
exit code 1[![enter image description he
我在Flutter WEB上遇到了一个问题。我遵循了Flutter team (https://flutter.dev/docs/development/ui/assets-and-images)的资源教程,但收到一个错误 ══╡ EXCEPTION CAUGHT BY IMAGE RESOURCE SERVICE ╞════════════════════════════════════════════════════
The following assertion was thrown resolving an image codec:
Unable to load asset: as
我正在设计一个配置文件图像小部件,我需要执行两个不同的任务。
编辑图标将更改配置文件图像,单击图像将放大图像,但我得到了以下错误:
I/flutter (21524): The following assertion was thrown building RawGestureDetector(state:
I/flutter (21524): RawGestureDetectorState#6b90e(gestures: [tap])):
I/flutter (21524): Incorrect use of ParentDataWidget.
I/