Flutter 环境配置，创建工程

#下载flutter
git clone https://github.com/flutter/flutter.git

#导入到环境变量
export PATH="$PATH:`pwd`/flutter/bin"

#pre-download development binaries
flutter recache

#打开一个iOS模拟器
open -a Simulator

#环境检查
flutter doctor


#fix error
flutter doctor --android-licenses
sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
sudo gem install cocoapods
#vs code 安装插件
https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter
#Android studio 安装flutter插件
#idea 安装 插件

export PATH="$PATH:[PATH_TO_FLUTTER_GIT_DIRECTORY]/flutter/bin"
echo $PATH
which flutter

flutter create my_app
cd my_app
flutter run





参考：
https://flutter.dev/docs/get-started/install/macos
https://codelabs.flutter-io.cn/codelabs/first-flutter-app-pt2-cn/index.html#3