How to format Phone Number from PhoneNumberFormattingTextWatcher through local?

Question

I am using Phone Number Formatting TextWatcher to format number according to given locale. my App support multiple language and i want to format phone number according to user selection like Uber app is doing for login. but Phone Number Formatting TextWatcher is not working when i am using its constructor with locale. below is the code snippet:

editText.addTextChangedListener(new PhoneNumberFormattingTextWatcher("ar"));