Flutter配置

• 下载FlutterSDK SDK地址

• 配置环境变量 去到目录 :
  export FLUTTER_HOME=/Applications/flutter
  export PATH=FLUTTER_HOME/bin
  export PATH=FLUTTER_HOME/bin/cache/dart-sdk/bin

• macOS或者Linux操作系统，依然是编辑~/.bash_profile文件
  export PUB_HOSTED_URL=https://pub.flutter-io.cn
  export FLUTTER_STORAGE_BASE_URL= https://storage.flutter-io.cn

• 测试是否配置成功：flutter --version
  dart --version

• 下载AS 官网地址:https://developer.android.com/studio/?utm_source=android-studio