flutter 学习入门 创建项目并运行

//  创建flutter 项目
flutter create myapp

// mac 打开 虚拟机
open -a Simulator

// 检查运行的设备
flutter devices

// 运行 flutter
flutter run

// 打包 apk
flutter build apk

// Dart plugin not installed; this adds Dart specific functionality.
// Flutter plugin not installed; this adds Flutter specific functionality.
// flutter 报错 检测不到 flutter  dark 插件安装 
// 解决

flutter channel dev
flutter doctor
flutter channel master
flutter doctor