Suppose that I had 3 modules: mod1, mod2 and mod3.
In normal case, the file system hierarchy should be:
[android_root_dir] build.gradle # list this file
You can do it:
root build.gradle settings.gradle modules mod1 build.gradle mod2 build.gradle mod3 build.gradle
In your settings.gradle
settings.gradle
include ':modules:mod1' , ':modules:mod2', ':modules:mod3'