我在升级到颤振3.0时遇到了问题。当我进行升级时,大多数进程运行时都没有问题,但升级dart时总是出错。我看到的是:
Downloading Darwin arm64 Dart SDK from Flutter engine caaafc5604ee9172293eb84a381be6aadd660317...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent
只安装path_provider后,我会收到一个错误
颤振酒吧添加path_provider
错误
FAILURE: Build failed with an exception.
* Where:
Script '/opt/homebrew/Caskroom/flutter/3.0.2/flutter/packages/flutter_tools/gradle/flutter.gradle' line: 1156
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug
所以我尝试在没有Android Studio的情况下安装flutter,因为每当我试图打开Android Studio时,我的PC工作起来都非常慢。开始时一切都很顺利,但当flutter尝试使用 flutter doctor --android-licenses 它总是给我 C:\Windows\System32>flutter doctor --android-licenses
Android sdkmanager not found. Update to the latest Android SDK and ensure that the cmdline-tools are ins
我在安装和配置flutter时遇到问题
在mac OS Sierra 10.12.6上
Xcode 9.2
brew医生报告一切正常
颤动医生报告
好了!iOS工具链-为iOS设备开发(Xcode9.2)
✗ **libimobiledevice and ideviceinstaller are not installed. To install, run:
brew install --HEAD libimobiledevice
brew install ideviceinstaller**
提示符$:brew安装--HEAD libimobiledevice
更新/User
这是完整的错误消息
Warning: CocoaPods minimum required version 1.9.0 or greater not installed. Skipping pod install.
CocoaPods is used to retrieve the iOS and macOS platform side's plugin code that responds to your plugin usage on the Dart side.
Without CocoaPods, plugins will not work on iOS or macO
我不使用GIT。正如我看到的一些帖子/问题,用户提到他们正在使用GIT,并因此他们得到了错误。
昨天,我添加了Image插件,然后重新启动了机器。重新启动后,它将开始提供错误。
The current Flutter SDK version is 0.0.0-unknown.
Because image_cropper 1.2.1 requires Flutter SDK version ^1.12.13 and no versions of image_cropper match >1.2.1 <2.0.0, image_cropper ^1.2.1 is forbidden.
我用flutter开发windows桌面程序,我安装了visual studio 2019企业版,全装,50G以上。我刚安装了可以改变D盘路径的部分。但是在执行flutter doctor之后,为什么会出现以下提示? error:
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel dev, 1.23.0-7.0.pre, on Microsoft Windows [Version 10.0.18363.1082], locale zh-CN)
[!]
目前我的安多伊工作室就在这里
C:\Android\AndroidStudio
在控制台上
C:\Users\aditya jain>flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 2.2.0, on Microsoft Windows [Version 10.0.19043.985], locale en-IN)
[X] Android toolchain - develop for Android devices
X
我运行了Flutter doctor命令,但它显示我没有安装Android Studio。并且还显示安卓授权人未找到类似that..The的错误是- C:\Users\Arpan Dey>flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 2.0.6, on Microsoft Windows [Version 10.0.19042.631], locale en-US)
[!] Android toolchain - de
我跟随着这里的步骤。它没有起作用。当我运行flutter devices时,Linux并没有显示出来。我正在运行LinuxMint19.3。这是flutter doctor的输出
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, v1.17.5, on Linux, locale en_IN)
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[✓] And
我试图在android上运行第一个颤振项目,并一次又一次地得到这个错误:
C:\Users\Pro\flutter_app>flutter run Running "flutter pub get" in flutter_app... 1.1s Launching lib\main.dart on INE LX1 in debug mode...
FAILURE: Build failed with an exception.
* What went wrong: Could not determine the depe
我正在尝试安装flutter,但它不允许我接受android许可。我得到以下错误:
PS C:\Users\XXXX> flutter doctor --android-licenses
Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema
at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaModule.jav
今天,当我启动flutter 2.0.x应用程序时,显示错误:
======== Exception caught by Flutter framework =====================================================
The following _CastError was thrown during a service extension callback for "ext.flutter.inspector.getRootWidgetSummaryTree":
Null check operator used on a nul
我在我的应用程序中有一个bottomNavigatorBar,在一些屏幕上我没有显示它,所以创建一个静态方法来处理它。它可以工作,但是当我在onWillPop中使用这个静态方法的实例时,我有以下问题.
E/flutter (10927): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: setState() called in constructor: _telaPrincipalState#cb9c4(lifecycle state: created, no widget, not mounted)
E/fl
在Android的终端打印上运行flutter doctor:
[!] Android toolchain - develop for Android devices (Android SDK version 31.0.0-rc2)
✗ Android license status unknown.
Run `flutter doctor --android-licenses` to accept the SDK licenses.
See https://flutter.dev/docs/get-started/install/linux#android-se