clickCardButton method
void
clickCardButton()
Implementation
void clickCardButton() {
int index = widget.c.resWallet.value.wallets.length - currentCardIndex;
if(index == 0 ) {
addNewCard();
} else if(index == -1) {
goTotalPay();
} else {
widget.c.selectedCardIndex = currentCardIndex;
startPayWithSelectedCard();
// if(widget.c.selectedCardIndex >= 0) {
// startPayWithSelectedCard();
// }
// return "이 카드로 결제하기";
}
}