我正在我的Linux Ubuntu 16.04 (Xenial Xerus)系统上配置Flutter SDK。为什么在运行颤振诊断程序时出现以下错误?

我已经在.bashrc文件中为flutter和dart指定了path,但是当我运行flutter doctor时,我得到了这个错误:

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel beta, v0.5.1, on Linux, locale en_US.UTF-8)
[✓] Android toolchain - develop for Android devices (Android SDK 28.0.2)
[✓] Android Studio (version 3.1)
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
[✓] IntelliJ IDEA Community Edition (version 2018.2)
[!] VS Code (version 1.25.1)
[!] Connected devices
    ! No devices available

! Doctor found issues in 2 categories.

当前回答

只需更新Flutter SDK使用

颤振升级

它解决了我所有的问题。

Running flutter doctor...
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 2.5.0, on Microsoft Windows [Version 10.0.19043.1110], locale en-IN)
[√] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
[√] Chrome - develop for the web
[√] Android Studio (version 4.2)
[√] Android Studio (version 2020.3)
[√] IntelliJ IDEA Ultimate Edition (version 2020.2)
[√] VS Code (version 1.60.0)
[√] Connected device (3 available)

其他回答

Linux用户:我cd到我的主目录,在.bashrc文件中添加export PATH="$PATH:/home/frodo/flutter/bin/flutter",并将其源化以刷新.bashrc文件。这取决于您将Flutter SDK移动到哪里。

然后我就跑,医生。我得到了以下结果:

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel beta, v0.5.1, on Linux, locale en_US.UTF-8)
[✓] Android toolchain - develop for Android devices (Android SDK 28.0.2)
[✓] Android Studio (version 3.1)
[✓] IntelliJ IDEA Community Edition (version 2018.2)
[!] VS Code (version 1.25.1)
[!] Connected devices
    ! No devices available

永久导出颤振路径:

export PATH="$PATH:/ PATH /to/dir" .bashrc文件

例如:

export PATH="$PATH:/home/frodo/flutter/bin/flutter"

并运行:

source .bashrc

如何永久设置$PATH在Linux/Unix

我的机器上安装了IntelliJ IDEA和Android Studio。我删除了IntelliJ IDEA,因为我已经在Android Studio中安装了Dart和Flutter插件。那么颤振医生指令就能完美运行。

当您执行flutter doctor命令时,它会检查您的环境并向终端窗口显示报告。在你的情况下,似乎你没有安装Dart和Flutter插件,以便在Android Studio中使用它们。

要安装插件,请单击菜单文件→设置→插件→安装JetBrains插件

这些插件将为Android Studio添加与Flutter相关的新功能。示例:它将添加Flutter检查器、大纲。

在创建新的Flutter项目时,将需要添加到路径中的SDK。

在Windows上安装它的最好方法

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 1.20.1, on Microsoft Windows [Version 10.0.18363.959], locale en-US)
[√] Android toolchain - develop for Android devices (Android SDK version 30.0.0)
[√] Android Studio (version 4.0)
[√] VS Code (version 1.47.3)
[!] Connected device
    ! No devices available

打开Android Studio,菜单文件→设置→插件,确保安装了Flutter和Dart 转到Visual Studio代码扩展,并安装Flutter和Dart扩展

几天前我也遇到了同样的问题。这是对我有效的方法,

运行以下命令 颤振通道 颤振升级 颤振配置——enable-web 该代码片段的主要目的是启用对Flutter的web支持,但它也更改了发布渠道,并将Flutter SDK更新到最新版本。 再跑扑医生;希望它现在不会显示出任何问题