If your Android Studio complains that the file name is incorrect after importing the language folders, it may be due to the missing "r" in the name with double hyphens.
Example:
This could be invalid for Android Studio:
values-zh-CN
To fix it:
values-zh-rCN <--- Notice the added r after the second hyphen
If your Android Studio complains that the file name is incorrect after importing the language folders, it may be due to the missing "r" in the name with double hyphens.
Example:
This could be invalid for Android Studio:
values-zh-CNTo fix it:
values-zh-rCN<--- Notice the added r after the second hyphen