I want convert every phone number from conatct in device to E164 format. So, I used opensource below. libphonenumber So I used it like here. Phonenumber.PhoneNumber formattedNumber = null; Strin...

I am using Google's libphonenumber library to validate phone numbers on the server-side and I noticed that PhoneNumberUtil has two methods for doing this: isPossibleNumber and isValidNumber. What i...