@Override public void onFocusChange(View v, boolean hasFocus) { if (hasFocus) { mCardNumberEditText.setHintDelayed( R.string.card_number_hint, CARD_NUMBER_HINT_DELAY); if (mCardInputListener != null) { mCardInputListener.onFocusChange(FOCUS_CARD); } } else { mCardNumberEditText.setHint(""); } } });