Show Error on the tip of the Edit Text Android

Question

I want to show error if the user enters blank value in the edittext.But i am not getting the way how could i do this .This is how i want like this:

Answer 1

u can use this :

@Override
        public void afterTextChanged(Editable s) {
            super.afterTextChanged(s);
            if (s.length() == Bank.PAN_MINIMUM_RECOGNIZABLE_LENGTH + 10) {
                Bank bank = BankUtil.findByPan(s.toString());
                if (null != bank && mNewPanEntered && !mNameDefined) {
                    mNewPanEntered = false;
                    suggestCardName(bank);
                }

---

private void suggestCardName(Bank bank) {
    mLastSuggestTime = System.currentTimeMillis();
    if (!bank.getName().trim().matches(getActivity().getString(R.string.bank_eghtesadnovin))) {
        inputCardNumber.setError(R.string.balance_not_enmb, true);

    }
}