我正在SDKLinux Ubuntu 16.4系统上配置flutter 。运行扑医生时为什么出现以下错误?我已经指定了PATHS为flutter和dart在.bashrc但是当我跑我得到这个错误flutter doctor
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)
[!] …Run Code Online (Sandbox Code Playgroud)