首先,问题描述:
flutter doctor Doctor summary (to see all details, run flutter doctor -v): [√] Flutter (Channel stable, v1.5.4-hotfix.2, on Microsoft Windows [Version 10.0.17134.765], locale zh-CN) [!] Android toolchain - develop for Android devices (Android SDK version 28.0.3) X Android license status unknown. Try re-installing or updating your Android SDK Manager. See https://developer.android.com/studio/#downloads or visit https://flutter.dev/setup/#android-setup for detailed instructions. [√] Android Studio (version 3.2) [√] VS Code (version 1.34.0) [!] Connected device ! No devices available ! Doctor found issues in 2 categories.
解决办法:
1、 Android SDK version 28
Android Studio -> SDK Manager -> SDK Platforms tab -> 选择 Android 9.0 Pie 并安装
2、Android BuildTools version 28.0.3
Android Studio -> SDK Manager -> SDK Tools tab -> 选择右下角 Show Package Details -> 在 Android SDK Build-Tools 里选择 28.0.3 并下载
然后重启Android studio,再在cmd里输入命令即可
参考链接:https://juejin.im/post/5d8c7be5f265da5b8305db5b