private void update() {
btcAmountView.setEnabled(enabled);
if (exchangeRate != null) {
localAmountView.setEnabled(enabled);
localAmountView.setCurrencySymbol(exchangeRate.fiat.currencyCode);
if (exchangeDirection) {
final Coin btcAmount = (Coin) btcAmountView.getAmount();
if (btcAmount != null) {
localAmountView.setAmount(null, false);
localAmountView.setHint(exchangeRate.coinToFiat(btcAmount));
btcAmountView.setHint(null);
}
} else {
final Fiat localAmount = (Fiat) localAmountView.getAmount();
if (localAmount != null) {
btcAmountView.setAmount(null, false);
btcAmountView.setHint(exchangeRate.fiatToCoin(localAmount));
localAmountView.setHint(null);
}
}
} else {
localAmountView.setEnabled(false);
localAmountView.setHint(null);
btcAmountView.setHint(null);
}
}
@CheckForNull
public Coin getAmount() {
if (exchangeDirection) {
return (Coin) btcAmountView.getAmount();
} else if (exchangeRate != null) {
final Fiat localAmount = (Fiat) localAmountView.getAmount();
return localAmount != null ? exchangeRate.fiatToCoin(localAmount) : null;
} else {
return null;
}
}