嗨,我试着用颤振火焰软件包来实现火焰游戏,但是,在正确编译一次之后,现在它根本不编译了,并且显示了错误,如下所示:
我正在运行MacOS Moneterey Androud Studio:北极福克斯2020.3.1颤振env。环境: sdk:">=2.15.0 <3.0.0“火焰:^1.0.0
Launching lib/main.dart on Chrome in debug mode...
Waiting for connection from debug service on Chrome...
../../Developer/flutter/.pub-cache/h
我正在创建一个游戏在颤音使用火焰游戏引擎,我创造了一个水平的帮助下,瓷砖。当我在模拟器中运行应用程序时,我会得到以下错误。
[log] Error while loading Game widget
[log] XmlParserException (XmlParserException: "<" expected at 1:1)
[log] #0 new XmlDocument.parse
package:xml/…/nodes/document.dart:35
The following XmlParserException was thrown build
我是Flutter的初学者,我正在尝试用一个AppBar做一个简单的应用程序,标题显示文本"Hi there“ 当通过Android Studio执行代码时,我总是收到错误 MediaQuery.of() called with a context that does not contain a MediaQuery. 为什么即使我没有调用MediaQuery.of(),也会调用这个错误?我该如何解决这个问题? 我最初以为这是flutter或Android Studio的问题。我使用了flutter医生,一切都很好。具体代码如下所示: [√] Flutter (Channel sta
安装火焰后,当我在flutter中运行我的应用程序时(flutter run)。我得到了一个关于null安全的长错误:
Running Gradle task 'assembleDebug'...
Error: Cannot run with sound null safety, because the following dependencies
don't support null safety:
- package:flame
- package:ordered_set
- package:box2d_flame
- package:audioplaye
当我尝试加载svg时,我使用了flame_svg: ^0.0.1包flutter来呈现svg,它给出了下面的错误
flutter: The following assertion was thrown in _getDefinitionPaint:
flutter: Failed to find definition for url(#paint0_linear)
flutter: This library only supports <defs> and xlink:href references that are defined ahead of their
flutter:
我对火焰游戏引擎非常陌生,但每当我尝试运行我的程序时,它总是这样说。
错误:无法在声音为空安全的情况下运行,因为以下依赖项不支持空安全:
package:flamepackage:ordered_setpackage:box2d_flame
我只是想知道我是不是没有使用最新版本的火焰,或者我是否需要暂时禁用零安全?下面是我的pubspec.yaml文件当前的样子。
name: first_game
description: A new Flutter project.
# The following line prevents the package from being accidenta
我正在尝试使用Sliver来实现可折叠的列表头。当我将小部件从普通窗口小部件更改为小窗口窗口小部件时,我经常会出现这样的错误:
I/flutter ( 3141): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
I/flutter ( 3141): The following assertion was thrown building NotificationListener<ScrollNotification>():
I/f
我正在创建一个简单的游戏在颤动,飞镖和火焰,我的火焰是更新版本相同的颤动, C:\Users\Users\Desktop\vcflutter\flutter_application_1\lib\Flutter Game\flutter_application_1\android\app\src\debug\AndroidManifest.xml Error:
uses-sdk:minSdkVersion 16 cannot be smaller than version 23 declared in library [:audioplayers] C:\Users\Users\Des
我正在创造一个简单的游戏,在颤音,飞镖和火焰,我的火焰是更新的版本一样,与颤音,
C:\Users\Users\Desktop\vcflutter\flutter_application_1\lib\Flutter Game\flutter_application_1\android\app\src\debug\AndroidManifest.xml Error:
uses-sdk:minSdkVersion 16 cannot be smaller than version 23 declared in library [:audioplayers] C:\Users\Users\D
我正在遵循flutter found 中提供的示例expansiona_panels_demo.dart。我的目标是在扩展面板主体中引入TabBar和TabBarView。因为在tabs.dart中抛出了一个空指针异常,所以到目前为止,这已经被破坏了。这是在_TabBarState中,它正在与widget.indicatorColor进行比较,如果您看一下我试图在第251行调用新的BookTabs()的演示。
if (color.value == Material.of(context).color.value)
此处Material.of(context).color为空
为了合并代码,我将
我在行中添加了InkWell作为Widget,但是它给我带来了一个错误:
flutter: ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
flutter: The following assertion was thrown building InkWell(gestures: [tap], clipped to BoxShape.rectangle,
flutter: dirty, state: _InkResponseState<