检测到不支持的模块:不幸的是，您不能在一个项目中拥有非Gradle Java模块和Android-Gradle模块
问题描述：
检测到不支持的模块:以下模块不支持编译:MemorandamApp.不幸的是，您不能在一个项目中拥有非Gradle Java模块和Android-Gradle模块.
Unsupported Modules Detected: Compilation is not supported for the following modules: MemorandamApp. Unfortunately, you can't have non-Gradle Java modules and Android-Gradle modules in one project.
此错误导致删除了我的文件.新打开的文件会受到此问题的影响.
This Error caused to erase my files. Newly opened files are affected by this problem.
答
1-关闭项目
2-关闭Android Studio IDE
2- close Android Studio IDE
3-删除.idea目录
3- delete the .idea directory
4-删除所有.iml文件
4- delete all .iml files
5-打开Android Studio IDE并导入项目
5- open Android Studio IDE and import the project
答案来自 HERE