Escribir en un EditText tipo tarjeta de crédito

EditText editTextCCNumber;

        editTextCCNumber.addTextChangedListener(new TextWatcher() {
            int prevL = 0;

            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
                prevL = editTextCCNumber.getText().toString().length();
            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
                int length = s.length();
                if ((prevL < length) && (length == 4 || length == 9 || length == 14)) {
                    editTextCCNumber.append(" ");
                } else if ((prevL > length) && (length == 4 || length == 9 || length == 14)) {
                    editTextCCNumber.getText().delete(editTextCCNumber.getText().length() - 1, editTextCCNumber.getText().length());
                }
            }

            @Override
            public void afterTextChanged(Editable s) {

            }
        });