private void writeKeys(@Nonnull final OutputStream os) throws IOException {
final List<ECKey> keys = new LinkedList<ECKey>();
for (final ECKey key : wallet.getKeys()) if (!wallet.isKeyRotating(key)) keys.add(key);
final Writer out = new OutputStreamWriter(os, Constants.UTF_8);
WalletUtils.writeKeys(out, keys);
out.close();
}
public Address determineSelectedAddress() {
final String selectedAddress = prefs.getString(Constants.PREFS_KEY_SELECTED_ADDRESS, null);
Address firstAddress = null;
for (final ECKey key : wallet.getKeys()) {
if (!wallet.isKeyRotating(key)) {
final Address address = key.toAddress(Constants.NETWORK_PARAMETERS);
if (address.toString().equals(selectedAddress)) return address;
if (firstAddress == null) firstAddress = address;
}
}
return firstAddress;
}
@Override
public View onCreateView(
final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) {
final View view = inflater.inflate(R.layout.request_coins_fragment, container, false);
qrView = (ImageView) view.findViewById(R.id.request_coins_qr);
qrView.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(final View v) {
BitmapFragment.show(getFragmentManager(), qrCodeBitmap);
}
});
final CurrencyAmountView btcAmountView =
(CurrencyAmountView) view.findViewById(R.id.request_coins_amount_btc);
btcAmountView.setCurrencySymbol(config.getBtcPrefix());
btcAmountView.setInputPrecision(config.getBtcMaxPrecision());
btcAmountView.setHintPrecision(config.getBtcPrecision());
btcAmountView.setShift(config.getBtcShift());
final CurrencyAmountView localAmountView =
(CurrencyAmountView) view.findViewById(R.id.request_coins_amount_local);
localAmountView.setInputPrecision(Constants.LOCAL_PRECISION);
localAmountView.setHintPrecision(Constants.LOCAL_PRECISION);
amountCalculatorLink = new CurrencyCalculatorLink(btcAmountView, localAmountView);
addressView = (Spinner) view.findViewById(R.id.request_coins_fragment_address);
final List<ECKey> keys = new LinkedList<ECKey>();
for (final ECKey key : application.getWallet().getKeys())
if (!wallet.isKeyRotating(key)) keys.add(key);
final WalletAddressesAdapter adapter = new WalletAddressesAdapter(activity, wallet, false);
adapter.replace(keys);
addressView.setAdapter(adapter);
final Address selectedAddress = application.determineSelectedAddress();
for (int i = 0; i < keys.size(); i++) {
final Address address = keys.get(i).toAddress(Constants.NETWORK_PARAMETERS);
if (address.equals(selectedAddress)) {
addressView.setSelection(i);
break;
}
}
acceptBluetoothPaymentView =
(CheckBox) view.findViewById(R.id.request_coins_accept_bluetooth_payment);
acceptBluetoothPaymentView.setVisibility(
ENABLE_BLUETOOTH_LISTENING && bluetoothAdapter != null ? View.VISIBLE : View.GONE);
acceptBluetoothPaymentView.setChecked(
ENABLE_BLUETOOTH_LISTENING && bluetoothAdapter != null && bluetoothAdapter.isEnabled());
acceptBluetoothPaymentView.setOnCheckedChangeListener(
new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(final CompoundButton buttonView, final boolean isChecked) {
if (ENABLE_BLUETOOTH_LISTENING && bluetoothAdapter != null && isChecked) {
if (bluetoothAdapter.isEnabled()) {
startBluetoothListening();
} else {
// ask for permission to enable bluetooth
startActivityForResult(
new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE),
REQUEST_CODE_ENABLE_BLUETOOTH);
}
} else {
stopBluetoothListening();
}
updateView();
}
});
initiateRequestView =
(TextView) view.findViewById(R.id.request_coins_fragment_initiate_request);
return view;
}
private void ensureKey() {
for (final ECKey key : wallet.getKeys()) if (!wallet.isKeyRotating(key)) return; // found
log.info("wallet has no usable key - creating");
addNewKeyToWallet();
}