flutter vscode 连接iphone失败

终端输入flutter doctor

[!] Xcode - develop for iOS and macOS
    ✗ Xcode installation is incomplete; a full installation is necessary for iOS
      development.
      Download at: https://developer.apple.com/xcode/download/
      Or install Xcode via the App Store.
      Once installed, run:
        sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
        sudo xcodebuild -runFirstLaunch
[!] Android Studio (not installed)
[✓] VS Code (version 1.52.1)
[!] Connected device
    ! No devices available

输出发现xcode安装不完整，按照完xcode后再次输flutter doctor

提示要运行

sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer

sudo xcodebuild -runFirstLaunch

允许后，再次执行flutter doctor，看到有设备连接成功，重启vscode，右下角看到设备了。

[✓] Xcode - develop for iOS and macOS (Xcode 12.3)
[!] Android Studio (not installed)
[✓] VS Code (version 1.52.1)
[✓] Connected device (1 available)