Format credit card in edit text in android

Question

How to make EditText accept input in format:

4digit 4digit 4digit 4digit 

I tried Custom format edit text input android to acc

Answer 1

import android.text.Editable;
import android.text.TextWatcher;
import android.widget.EditText;`

public class CreditCard implements TextWatcher
{
    EditText editText;

    public CreditCard(EditText editText)
    {
        this.editText = editText;
    }

    @Override
    public void beforeTextChanged(CharSequence s, int start, int count, int after) {

    }

    @Override
    public void onTextChanged(CharSequence s, int start, int before, int count) {

    }

    @Override
    public void afterTextChanged(Editable s) {
        try
        {
            editText.removeTextChangedListener(this);

            String str = editText.getText().toString().replaceAll("-", "");

            editText.setText(setDash(str));

            editText.setSelection(editText.getText().toString().length());

            editText.addTextChangedListener(this);
            return;
        }

        catch (Exception ex)
        {
            ex.printStackTrace();
            editText.addTextChangedListener(this);
        }

    }

    public static String setDash(String value)
    {
        String str = "";
        int j = 0;

        for (int i = 0;i