Android Email Validation on EditText

Question

I have one edittext and I would to to write email validation in my Editttext this is a xml code

Answer 1

Try this code

String emailPattern = "(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])*\")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21-\\x5a\\x53-\\x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])+)\\])";
        if (!tvEmail.matches(Constants.emailPattern)){
            tvEmail.setError("Invalid Email ");
        }
        else{
            //your code
        }

Answer 2

Try below code:

Just call below method like,

if(emailValidator(mail.getText().toString())){
Toast.makeText(getActivity(), "valid email address",
                    Toast.LENGTH_SHORT).show();

}else{
Toast.makeText(getActivity(), "invalid email address",
                    Toast.LENGTH_SHORT).show();

}

    public static boolean emailValidator(final String mailAddress) {

            Pattern pattern;
            Matcher matcher;

            final String EMAIL_PATTERN = "^[_A-Za-z0-9-\\+]+(\\.[_A-Za-z0-9-]+)*@" + "[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";

            pattern = Pattern.compile(EMAIL_PATTERN);
            matcher = pattern.matcher(mailAddress);
            return matcher.matches();

        }

Answer 3

Use this function for validating email id:

 private boolean validateEmaillId(String emailId){

    return Pattern.compile("^(([\\w-]+\\.)+[\\w-]+|([a-zA-Z]{1}|[\\w-]{2,}))@"
            + "((([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?"
            + "[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\."
            + "([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?"
            + "[0-9]{1,2}|25[0-5]|2[0-4][0-9])){1}|"
            + "([a-zA-Z]+[\\w-]+\\.)+[a-zA-Z]{2,4})$").matcher(emailId).matches();
}

Answer 4

Android Email Validation Simplest way

   String validemail= "[a-zA-Z0-9\\+\\.\\_\\%\\-\\+]{1,256}" +

                        "\\@" +

                        "[a-zA-Z0-9][a-zA-Z0-9\\-]{0,64}" +

                        "(" +

                        "\\." +

                        "[a-zA-Z0-9][a-zA-Z0-9\\-]{0,25}" +

                        ")+";

               String emal=email.getText().toString();

                Matcher matcherObj = Pattern.compile(validemail).matcher(emal);



                        if (matcherObj.matches()) {

                               Toast.makeText(getApplicationContext(), "enter 

all details", Toast.LENGTH_SHORT).show();

                        }

                        else 
{
                            Toast.makeText(getApplicationContext(),"please enter 

valid email",Toast.LENGTH_SHORT).show();

                        }

Answer 5

android.util.Patterns.EMAIL_ADDRESS.matcher(target).matches()

Answer 6

I am posting very simple and easy answer of email validation without using any string pattern.

1.Set on click listener on button....

 button_resetPassword.setOnClickListener(new View.OnClickListener()
    {
        @Override
        public void onClick(View v)
        {
            CharSequence temp_emilID=username.getText().toString();//here username is the your edittext object...
            if(!isValidEmail(temp_emilID))
            {
                username.requestFocus();
                username.setError("Enter Correct Mail_ID ..!!");
                     or
                Toast.makeText(getApplicationContext(), "Enter Correct Mail_ID", Toast.LENGTH_SHORT).show();

            }
            else
           {
              correctMail.. 
             //Your action...

           }

         });

2.call the isValidEmail() i.e..

   public final static boolean isValidEmail(CharSequence target)
   {
    if (TextUtils.isEmpty(target))
    {
        return false;
    } else {
        return android.util.Patterns.EMAIL_ADDRESS.matcher(target).matches();
    }
 }

I hope it will helpful for you...