android - How can i create my own editText with customised validation types? -


i want create own edit text field ,which used multiple entries user different set of required validations(email,phone,credit card,mixed chars).

try this:

for creditcard:

 public boolean isvalid(edittext et) {      try {        return validatecardnumber(et.gettext().tostring());      } catch (exception e) {        return false;      }    }   public static boolean validatecardnumber(string cardnumber) throws numberformatexception {      int sum = 0, digit, addend = 0;      boolean doubled = false;      (int = cardnumber.length () - 1; >= 0; i--) {        digit = integer.parseint (cardnumber.substring (i, + 1));        if (doubled) {          addend = digit * 2;          if (addend > 9) {            addend -= 9;           }        } else {          addend = digit;        }        sum += addend;        doubled = !doubled;      }      return (sum % 10) == 0;    }

for ipaddress:

public ipaddressvalidator(string _customerrormessage) {     super(_customerrormessage, build.version.sdk_int>=8?patterns.ip_address:pattern.compile(             "((25[0-5]|2[0-4][0-9]|[0-1][0-9]{2}|[1-9][0-9]|[1-9])\\.(25[0-5]|2[0-4]"             + "[0-9]|[0-1][0-9]{2}|[1-9][0-9]|[1-9]|0)\\.(25[0-5]|2[0-4][0-9]|[0-1]"             + "[0-9]{2}|[1-9][0-9]|[1-9]|0)\\.(25[0-5]|2[0-4][0-9]|[0-1][0-9]{2}"             + "|[1-9][0-9]|[0-9]))")); }

check example application more details:here


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