该项目可能忽略了 settings.gradle 文件。确保文件从要导入的项目存在。如果没有用下面的添加 settings.gradle 文件：

The project might be missing a settings.gradle file. Make sure that file exists from the project you are importing. If not add the settings.gradle file with the following :


包括：应用程序


保存文件，并把它在顶层文件夹中的项目。

Save the file and put it at the top level folder in your project.