NotesUESTC/Flutter/Flutter常见细节问题.md

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# Flutter常见问题
基本上flutter安装官方教程进行环境安装即可但是有些细节会导致安装出现问题。常见问题如下
## 一、flutter doctor长时间等待问题
产生的原因1) Powershell没有采用管理员权限运行 2) 没有采用国内镜像源
1、先配置国内镜像仓库源
```shell
# 参考网址https://flutter.cn/community/china
# 下面命令不一定生效,可以采用手动的方式在环境变量中增加变量名和变量值
# 配置默认国内镜像源
$env:PUB_HOSTED_URL="https://pub.flutter-io.cn";
$env:FLUTTER_STORAGE_BASE_URL="https://storage.flutter-io.cn"
# 配置清华源
$env:PUB_HOSTED_URL="https://mirrors.tuna.tsinghua.edu.cn/dart-pub";
$env:FLUTTER_STORAGE_BASE_URL="https://mirrors.tuna.tsinghua.edu.cn/flutter"
```
2、采用管理员身份运行Powershell或者cmd