private void updateView() {
if (!isResumed()) return;
final String bitcoinRequest = determineBitcoinRequestStr(true);
final byte[] paymentRequest = determinePaymentRequest(true);
// update qr-code
final int size = (int) (256 * getResources().getDisplayMetrics().density);
final String qrContent;
if (config.getQrPaymentRequestEnabled())
qrContent = "MINTCOIN:-" + Qr.encodeBinary(paymentRequest);
else qrContent = bitcoinRequest;
qrCodeBitmap = Qr.bitmap(qrContent, size);
qrView.setImageBitmap(qrCodeBitmap);
// update nfc ndef message
final boolean nfcSuccess;
if (config.getNfcPaymentRequestEnabled())
nfcSuccess =
Nfc.publishMimeObject(
nfcManager, activity, Constants.MIMETYPE_PAYMENTREQUEST, paymentRequest, false);
else nfcSuccess = Nfc.publishUri(nfcManager, activity, bitcoinRequest);
// update initiate request message
final SpannableStringBuilder initiateText =
new SpannableStringBuilder(getString(R.string.request_coins_fragment_initiate_request_qr));
if (nfcSuccess)
initiateText
.append(' ')
.append(getString(R.string.request_coins_fragment_initiate_request_nfc));
initiateRequestView.setText(initiateText);
// focus linking
final int activeAmountViewId = amountCalculatorLink.activeTextView().getId();
addressView.setNextFocusUpId(activeAmountViewId);
}
@Override
public void parse() {
if (input.startsWith("MINTCOIN:-")) {
try {
final byte[] serializedPaymentRequest = Qr.decodeBinary(input.substring(9));
parseAndHandlePaymentRequest(serializedPaymentRequest);
} catch (final IOException x) {
log.info("i/o error while fetching payment request", x);
error(R.string.input_parser_io_error, x.getMessage());
} catch (final PkiVerificationException x) {
log.info("got unverifyable payment request", x);
error(R.string.input_parser_unverifyable_paymentrequest, x.getMessage());
} catch (final PaymentRequestException x) {
log.info("got invalid payment request", x);
error(R.string.input_parser_invalid_paymentrequest, x.getMessage());
}
}
if (input.startsWith("mintcoin:")) {
try {
final BitcoinURI bitcoinUri = new BitcoinURI(null, input);
final Address address = bitcoinUri.getAddress();
if (address == null) throw new BitcoinURIParseException("missing address");
if (address.getParameters().equals(Constants.NETWORK_PARAMETERS))
handlePaymentIntent(PaymentIntent.fromBitcoinUri(bitcoinUri));
else error(R.string.input_parser_invalid_address, input);
} catch (final BitcoinURIParseException x) {
log.info("got invalid mintcoin uri: '" + input + "'", x);
error(R.string.input_parser_invalid_bitcoin_uri, input);
}
} else if (PATTERN_BITCOIN_ADDRESS.matcher(input).matches()) {
try {
final Address address = new Address(Constants.NETWORK_PARAMETERS, input);
handlePaymentIntent(PaymentIntent.fromAddress(address, null));
} catch (final AddressFormatException x) {
log.info("got invalid address", x);
error(R.string.input_parser_invalid_address);
}
} else if (PATTERN_PRIVATE_KEY.matcher(input).matches()) {
try {
final ECKey key = new DumpedPrivateKey(Constants.NETWORK_PARAMETERS, input).getKey();
final Address address = new Address(Constants.NETWORK_PARAMETERS, key.getPubKeyHash());
handlePaymentIntent(PaymentIntent.fromAddress(address, null));
} catch (final AddressFormatException x) {
log.info("got invalid address", x);
error(R.string.input_parser_invalid_address);
}
} else if (PATTERN_TRANSACTION.matcher(input).matches()) {
try {
final Transaction tx =
new Transaction(Constants.NETWORK_PARAMETERS, Qr.decodeDecompressBinary(input));
handleDirectTransaction(tx);
} catch (final IOException x) {
log.info("i/o error while fetching transaction", x);
error(R.string.input_parser_invalid_transaction, x.getMessage());
} catch (final ProtocolException x) {
log.info("got invalid transaction", x);
error(R.string.input_parser_invalid_transaction, x.getMessage());
}
} else {
cannotClassify(input);
}
}