How to create a sub folder called “dimens” in Android Studio under Values folder?

Question

I want to create a sub folder called dimens under values folder. But I can't create it...

However it exists sample about it. For example see the following picture

Answer 1

Simply: you don't. That "folder" is created when you create multiple files (with different configuration) of the dimens.xml file.

If you for example try to create 2 different dimens.xml one for a ratio and the other for a different one, that folder will automatically appear :D