int color = a.getColor(R.styleable.IntlPhoneInput_textColor, -1);
if (color != -1) {
mPhoneEdit.setTextColor(color);
}
int hintColor = a.getColor(R.styleable.IntlPhoneInput_textColorHint, -1);
if (hintColor != -1) {
mPhoneEdit.setHintTextColor(color);
}
a.recycle();
should be hint color