Get Email Address from account in device

 // Get Email Address from account in device use this Function

private String GetEmailAddress()
{

String email = "";
Pattern emailPattern = Patterns.EMAIL_ADDRESS;
Account[] accounts = AccountManager.get(this).getAccounts();

for (Account account : accounts)
           {
if (emailPattern.matcher(account.name).matches())
                     {
email = account.name;
                              break;
}
}

return email;
}