错误：
PS D:\FlutterProjects\NewLedgersFlutter\ledgers_lite_flutter> flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 2.2.3, on Microsoft Windows [Version 10.0.19042.1052], locale en-IN)
[!] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
X Android license status unknown.
Run `flutter doctor --android-licenses` to accept the SDK licenses.
See https://flutter.dev/docs/get-started/install/windows#android-setup for more details.
[√] Chrome - develop for the web
[√] Android Studio
[√] VS Code (version 1.57.1)
[√] Connected device (2 available)
! Doctor found issues in 1 category.
PS D:\FlutterProjects\NewLedgersFlutter\ledgers_lite_flutter> flutter doctor --android-licenses
Error: Could not find or load main class KUMAR
Caused by: java.lang.ClassNotFoundException: KUMAR注意：我正在开发一个Flutter项目，当我尝试运行应用程序时，它会出现上述错误
我试过flutter doctor --android-licenses，但它没有解决问题。
2条答案
按热度按时间idv4meu81#
如果您安装了Android Studio，它应该可以工作;
然后输入flutter doctor看看是否有效
解决Android许可证错误运行;
然后去找Flutter医生检查
jgzswidk2#
尝试以下步骤
上查找配置
1.在下拉列表中打开“插件”
1.搜索“flutter”并将此插件与dart一起安装。
1.重新启动Android Studio并打开新终端。
1.您应该能够在Android Studio中创建一个flutter项目，“flutter doctor”现在应该可以工作了。