问题: flutter doctor 运行命令 flutter doctor 报错: Android toolchain - develop for Android devices (Android SDK version 30.0.2) ✗ cmdline-tools component is missing Run `path/to/sdkmanager --in
一:U_BOOT_CMD U_BOOT_CMD(demo, 4, 1, do_demo,"Driver model (dm) demo operations","list List available demo devices\n""demo hello <num> [<char>] Say hello\n""demo