Formatting phone number to E164 format in Android -


i want convert every phone number conatct in device e164 format. so, used opensource below.

libphonenumber

so used here.

phonenumber.phonenumber formattednumber = null; string formatted = null;  try {     formattednumber = phoneutil.parse(phonenumber, "kr");     formatted = phoneutil.format(formattednumber,phonenumberutil.phonenumberformat.e164);      if (stringutils.isempty(formatted) == false && formatted.length() > 0 && stringutils.isempty(name) == false && name.length() > 0) {         listname.add(name);         listphonenumber.add(formatted);     } } catch (numberparseexception e) {     continue; }

and read library used android framework since 4.0.

the java version optimized running on smartphones, , used android framework since 4.0 (ice cream sandwich).

i want use android sdk. found this. android sdk provides phonenumberutils .

and there function

formatnumbertoe164(string phonenumber, string defaultcountryiso)

it's easy use. api level of function 21.

so question is..how can use phonenumberutils convert phonenumber e164 under api level 14(ics) ~ 21?

thanks.!

the problem phonenumberutils.formatnumbertoe164(...) not available on older devices , there's nothing else in phonenumberutils same job.

i'd suggest using phonenumberutils when available , libphonenumber on older devices, example:

public string formate164number(string countrycode, string phnum) {      string e164number;     if (textutils.isempty(countrycode)) {         e164number = phnum;     } else {         if (build.version.sdk_int >= build.version_codes.lollipop) {             e164number = phonenumberutils.formatnumbertoe164(phnum, countrycode);         } else {             try {                 phonenumberutil instance = phonenumberutil.getinstance();                 phonenumber.phonenumber phonenumber = instance.parse(phnum, countrycode);                 e164number = instance.format(phonenumber, phonenumberutil.phonenumberformat.e164);              } catch (numberparseexception e) {                 log.e(tag, "caught: " + e.getmessage(), e);                 e164number = phnum;             }         }     }      return e164number; }

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