def blockchain_info(self):
if len(self.network.blockchains)>1:
checkpoint = self.network.get_checkpoint()
msg = _('Fork detected at block %d')%checkpoint
else:
msg = _('The blockchain appears to be one')
return msg
def update(self):
self.menu_actions = [(_('Use'), self.do_use), (_('Details'), self.do_view)]
wallet = self.app.wallet
if self.show_change == 0:
_list = wallet.get_receiving_addresses()
elif self.show_change == 1:
_list = wallet.get_change_addresses()
else:
_list = wallet.get_addresses()
search = self.message
container = self.ids.search_container
container.clear_widgets()
n = 0
for address in _list:
label = wallet.labels.get(address, '')
balance = sum(wallet.get_addr_balance(address))
is_used = wallet.is_used(address)
if self.show_used == 1 and (balance or is_used):
continue
if self.show_used == 2 and balance == 0:
continue
if self.show_used == 3 and not is_used:
continue
card = self.get_card(address, balance, is_used, label)
if search and not self.ext_search(card, search):
continue
container.add_widget(card)
n += 1
if not n:
msg = _('No address matching your search')
container.add_widget(EmptyLabel(text=msg))
def load_wallet_by_name(self, path, ask_if_wizard=False):
if not path:
return
if self.wallet and self.wallet.storage.path == path:
return
wallet = self.daemon.load_wallet(path, None)
if wallet:
if wallet.has_password():
self.password_dialog(wallet, _('Enter PIN code'), lambda x: self.load_wallet(wallet), self.stop)
else:
self.load_wallet(wallet)
else:
Logger.debug('Electrum: Wallet not found or action needed. Launching install wizard')
def launch_wizard():
storage = WalletStorage(path, manual_upgrades=True)
wizard = Factory.InstallWizard(self.electrum_config, self.plugins, storage)
wizard.bind(on_wizard_complete=self.on_wizard_complete)
action = wizard.storage.get_action()
wizard.run(action)
if not ask_if_wizard:
launch_wizard()
else:
from .uix.dialogs.question import Question
def handle_answer(b: bool):
if b:
launch_wizard()
else:
try: os.unlink(path)
except FileNotFoundError: pass
self.stop()
d = Question(_('Do you want to launch the wizard again?'), handle_answer)
d.open()
def update(self):
self.menu_actions = [('Pay', self.do_pay), ('Details', self.do_view), ('Delete', self.do_delete)]
invoices_list = self.screen.ids.invoices_container
invoices_list.clear_widgets()
_list = self.app.invoices.sorted_list()
for pr in _list:
ci = Factory.InvoiceItem()
ci.key = pr.get_id()
ci.requestor = pr.get_requestor()
ci.memo = pr.get_memo()
amount = pr.get_amount()
if amount:
ci.amount = self.app.format_amount_and_units(amount)
status = self.app.invoices.get_status(ci.key)
ci.status = invoice_text[status]
ci.icon = pr_icon[status]
else:
ci.amount = _('No Amount')
ci.status = ''
exp = pr.get_expiration_date()
ci.date = format_time(exp) if exp else _('Never')
ci.screen = self
invoices_list.add_widget(ci)
if not _list:
msg = _('This screen shows the list of payment requests that have been sent to you. You may also use it to store contact addresses.')
invoices_list.add_widget(EmptyLabel(text=msg))
def update(self):
format_amount = self.app.format_amount_and_units
tx_hash, self.status_str, self.description, self.can_broadcast, self.can_rbf, amount, fee, height, conf, timestamp, exp_n = self.wallet.get_tx_info(self.tx)
self.tx_hash = tx_hash or ''
if timestamp:
self.date_label = _('Date')
self.date_str = datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
elif exp_n:
self.date_label = _('Mempool depth')
self.date_str = _('{} from tip').format('%.2f MB'%(exp_n/1000000))
else:
self.date_label = ''
self.date_str = ''
if amount is None:
self.amount_str = _("Transaction unrelated to your wallet")
elif amount > 0:
self.is_mine = False
self.amount_str = format_amount(amount)
else:
self.is_mine = True
self.amount_str = format_amount(-amount)
self.fee_str = format_amount(fee) if fee is not None else _('unknown')
self.can_sign = self.wallet.can_sign(self.tx)
self.ids.output_list.update(self.tx.outputs())
def parse_history(self, items):
for item in items:
tx_hash, conf, value, timestamp, balance = item
time_str = _("unknown")
if conf > 0:
try:
time_str = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
except Exception:
time_str = _("error")
if conf == -1:
time_str = _('Not Verified')
icon = "atlas://gui/kivy/theming/light/close"
elif conf == 0:
time_str = _('Unconfirmed')
icon = "atlas://gui/kivy/theming/light/unconfirmed"
elif conf < 6:
conf = max(1, conf)
icon = "atlas://gui/kivy/theming/light/clock{}".format(conf)
else:
icon = "atlas://gui/kivy/theming/light/confirmed"
label = self.app.wallet.get_label(tx_hash) if tx_hash else _('Pruned transaction outputs')
date = timestamp_to_datetime(timestamp)
quote_text = ''
if self.app.fiat_unit and date:
rate = run_hook('history_rate', date)
if rate:
s = run_hook('value_str', value, rate)
quote_text = '' if s is None else s + ' ' + self.app.fiat_unit
yield (conf, icon, time_str, label, value, tx_hash, quote_text)
def update(self):
self.menu_actions = [('Show', self.do_show), ('Details', self.do_view), ('Delete', self.do_delete)]
requests_list = self.screen.ids.requests_container
requests_list.clear_widgets()
_list = self.app.wallet.get_sorted_requests(self.app.electrum_config)
for req in _list:
address = req['address']
timestamp = req.get('time', 0)
amount = req.get('amount')
expiration = req.get('exp', None)
status = req.get('status')
signature = req.get('sig')
ci = Factory.RequestItem()
ci.address = address
ci.memo = self.app.wallet.get_label(address)
if amount:
status = req.get('status')
ci.status = request_text[status]
else:
received = self.app.wallet.get_addr_received(address)
ci.status = self.app.format_amount_and_units(amount)
ci.icon = pr_icon[status]
ci.amount = self.app.format_amount_and_units(amount) if amount else _('No Amount')
ci.date = format_time(timestamp)
ci.screen = self
requests_list.add_widget(ci)
if not _list:
msg = _('This screen shows the list of payment requests you made.')
requests_list.add_widget(EmptyLabel(text=msg))
def notify_transactions(self, *dt):
if not self.network or not self.network.is_connected():
return
# temporarily disabled for merge
return
iface = self.network
ptfn = iface.pending_transactions_for_notifications
if len(ptfn) > 0:
# Combine the transactions if there are more then three
tx_amount = len(ptfn)
if(tx_amount >= 3):
total_amount = 0
for tx in ptfn:
is_relevant, is_mine, v, fee = self.wallet.get_tx_value(tx)
if(v > 0):
total_amount += v
self.notify(_("{txs}s new transactions received. Total amount"
"received in the new transactions {amount}s"
"{unit}s").format(txs=tx_amount,
amount=self.format_amount(total_amount),
unit=self.base_unit()))
iface.pending_transactions_for_notifications = []
else:
for tx in iface.pending_transactions_for_notifications:
if tx:
iface.pending_transactions_for_notifications.remove(tx)
is_relevant, is_mine, v, fee = self.wallet.get_tx_value(tx)
if(v > 0):
self.notify(
_("{txs} new transaction received. {amount} {unit}").
format(txs=tx_amount, amount=self.format_amount(v),
unit=self.base_unit))
def do_new(self):
addr = self.get_new_address()
if not addr:
self.app.show_info(_('Please use the existing requests first.'))
else:
self.save_request()
self.app.show_info(_('New request added to your list.'))
def update(self):
self.menu_actions = [(_('Show'), self.do_show), (_('Delete'), self.do_delete)]
requests_list = self.ids.requests_container
requests_list.clear_widgets()
_list = self.app.wallet.get_sorted_requests(self.app.electrum_config)
for pr in _list:
ci = self.get_card(pr)
requests_list.add_widget(ci)
def __init__(self, wizard, **kwargs):
super(RestoreSeedDialog, self).__init__(wizard, **kwargs)
self._test = kwargs['is_valid']
from electrum.mnemonic import Mnemonic
from electrum.old_mnemonic import words as old_wordlist
self.words = set(Mnemonic('en').wordlist).union(set(old_wordlist))
self.ids.text_input_seed.text = test_seed if is_test else ''
self.message = _('Please type your seed phrase using the virtual keyboard.')
self.title = _('Enter Seed')
def choose_seed(self):
msg = ' '.join([
_("Do you want to create a new seed, or to restore a wallet using an existing seed?")
])
choices = [
(_('Create a new seed'), 'create_seed'),
(_('I already have a seed'), 'restore_seed'),
(_('Watching-only wallet'), 'restore_xpub')
]
self.choice_dialog(msg=msg, choices=choices, run_prev=self.new, run_next=self.run)
def change_password(self, cb):
from .uix.dialogs.password_dialog import PasswordDialog
if self._password_dialog is None:
self._password_dialog = PasswordDialog()
message = _("Changing PIN code.") + '\n' + _("Enter your current PIN:")
def on_success(old_password, new_password):
self.wallet.update_password(old_password, new_password)
self.show_info(_("Your PIN code was updated"))
on_failure = lambda: self.show_error(_("PIN codes do not match"))
self._password_dialog.init(self, self.wallet, message, on_success, on_failure, is_change=1)
self._password_dialog.open()
def get_card(self, addr, balance, is_used, label):
ci = self.cards.get(addr)
if ci is None:
ci = Factory.AddressItem()
ci.screen = self
ci.address = addr
self.cards[addr] = ci
ci.memo = label
ci.amount = self.app.format_amount_and_units(balance)
ci.status = _('Used') if is_used else _('Funded') if balance > 0 else _('Unused')
return ci
def invoices_dialog(self, screen):
from .uix.dialogs.invoices import InvoicesDialog
if len(self.wallet.invoices.sorted_list()) == 0:
self.show_info(' '.join([
_('No saved invoices.'),
_('Signed invoices are saved automatically when you scan them.'),
_('You may also save unsigned requests or contact addresses using the save button.')
]))
return
popup = InvoicesDialog(self, screen, None)
popup.update()
popup.open()
def rbf_dialog(self, label, dt):
if self._rbf_dialog is None:
from checkbox_dialog import CheckBoxDialog
def cb(x):
self.config.set_key('use_rbf', x, True)
label.status = self.rbf_status()
msg = [_('If you check this box, your transactions will be marked as non-final,'),
_('and you will have the possiblity, while they are unconfirmed, to replace them with transactions that pays higher fees.'),
_('Note that some merchants do not accept non-final transactions until they are confirmed.')]
fullname = _('Replace by fee')
self._rbf_dialog = CheckBoxDialog(fullname, ' '.join(msg), self.config.get('use_rbf', False), cb)
self._rbf_dialog.open()
def new(self):
name = os.path.basename(self.storage.path)
msg = "\n".join([
_("Welcome to the Electrum installation wizard."),
_("The wallet '%s' does not exist.") % name,
_("What kind of wallet do you want to create?")
])
choices = [
(_('Standard wallet'), 'create_standard'),
(_('Multi-signature wallet'), 'create_multisig'),
]
self.choice_dialog(msg=msg, choices=choices, run_prev=self.cancel, run_next=self.run)
def export_private_keys(self, pk_label, addr):
if self.wallet.is_watching_only():
self.show_info(_('This is a watching-only wallet. It does not contain private keys.'))
return
def show_private_key(addr, pk_label, password):
if self.wallet.has_password() and password is None:
return
if not self.wallet.can_export():
return
key = str(self.wallet.export_private_key(addr, password)[0])
pk_label.data = key
self.protected(_("Enter your PIN code in order to decrypt your private key"), show_private_key, (addr, pk_label))
def broadcast(self, tx, pr=None):
def on_complete(ok, txid):
self.show_info(txid)
if ok and pr:
pr.set_paid(tx.hash())
self.invoices.save()
self.update_tab('invoices')
if self.network and self.network.is_connected():
self.show_info(_('Sending'))
threading.Thread(target=self._broadcast_thread, args=(tx, on_complete)).start()
else:
self.show_info(_('Cannot broadcast transaction') + ':\n' + _('Not connected'))
def _show_seed(self, label, password):
if self.wallet.has_password() and password is None:
return
keystore = self.wallet.keystore
try:
seed = keystore.get_seed(password)
passphrase = keystore.get_passphrase(password)
except:
self.show_error("Invalid PIN")
return
label.text = _('Seed') + ':\n' + seed
if passphrase:
label.text += '\n\n' + _('Passphrase') + ': ' + passphrase
def update(self):
self.can_broadcast = False
if self.tx.is_complete():
tx_hash = self.tx.hash()
self.description = self.wallet.get_label(tx_hash)
self.txid_str = _('Transaction ID') + ' :\n' + ' '.join(map(''.join, zip(*[iter(tx_hash)]*4)))
if tx_hash in self.wallet.transactions.keys():
conf, timestamp = self.wallet.get_confirmations(tx_hash)
self.status_str = _("%d confirmations")%conf if conf else _('Pending')
if timestamp:
self.date_str = datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
else:
self.can_broadcast = self.app.network is not None
self.status_str = _('Signed')
else:
s, r = self.tx.signature_count()
self.status_str = _("Unsigned") if s == 0 else _('Partially signed') + ' (%d/%d)'%(s,r)
is_relevant, is_mine, v, fee = self.wallet.get_wallet_delta(self.tx)
self.is_mine = is_mine
if is_relevant:
if is_mine:
if fee is not None:
self.amount_str = self.app.format_amount_and_units(-v+fee)
self.fee_str = self.app.format_amount_and_units(-fee)
else:
self.amount_str = self.app.format_amount_and_units(-v)
self.fee_str = _("unknown")
else:
self.amount_str = self.app.format_amount_and_units(v)
self.fee_str = ''
else:
self.amount_str = _("Transaction unrelated to your wallet")
self.fee_str = ''
self.can_sign = self.wallet.can_sign(self.tx)
def do_save(self):
addr = str(self.screen.address)
amount = str(self.screen.amount)
message = str(self.screen.message) #.ids.message_input.text)
if not message and not amount:
self.app.show_error(_('No message or amount'))
return
if amount:
amount = self.app.get_amount(amount)
else:
amount = 0
req = self.app.wallet.make_payment_request(addr, amount, message, None)
self.app.wallet.add_payment_request(req, self.app.electrum_config)
self.app.show_info(_('Request saved'))
self.app.update_tab('requests')
def get_card(self, req):
address = req['address']
timestamp = req.get('time', 0)
amount = req.get('amount')
expiration = req.get('exp', None)
status = req.get('status')
signature = req.get('sig')
ci = self.cards.get(address)
if ci is None:
ci = Factory.RequestItem()
ci.screen = self
ci.address = address
self.cards[address] = ci
ci.memo = self.app.wallet.get_label(address)
if amount:
status = req.get('status')
ci.status = request_text[status]
else:
received = self.app.wallet.get_addr_received(address)
ci.status = self.app.format_amount_and_units(amount)
ci.icon = pr_icon[status]
ci.amount = self.app.format_amount_and_units(amount) if amount else _('No Amount')
ci.date = format_time(timestamp)
return ci
def do_delete(self, obj):
from dialogs.question import Question
def cb():
self.app.invoices.remove(obj.key)
self.app.update_tab('invoices')
d = Question(_('Delete invoice?'), cb)
d.open()
def do_delete(self, obj):
from dialogs.question import Question
def cb():
self.app.wallet.remove_payment_request(obj.address, self.app.electrum_config)
self.update()
d = Question(_('Delete request?'), cb)
d.open()
def _sign_tx(self, tx, password, on_success, on_failure):
try:
self.wallet.sign_transaction(tx, password)
except InvalidPassword:
Clock.schedule_once(lambda dt: on_failure(_("Invalid PIN")))
return
Clock.schedule_once(lambda dt: on_success(tx))
def description_dialog(self, screen):
from uix.dialogs.label_dialog import LabelDialog
text = screen.message
def callback(text):
screen.message = text
d = LabelDialog(_('Enter description'), text, callback)
d.open()
def _show_seed(self, label, password):
try:
seed = self.wallet.get_seed(password)
except:
self.show_error("Invalid PIN")
return
label.text = _('Seed') + ':\n' + seed
def __init__(self, **kwargs):
# initialize variables
self._clipboard = Clipboard
self.info_bubble = None
self.qrscanner = None
self.nfcscanner = None
self.tabs = None
self.is_exit = False
super(ElectrumWindow, self).__init__(**kwargs)
title = _('Electrum App')
self.electrum_config = config = kwargs.get('config', None)
self.language = config.get('language', 'en')
self.network = network = kwargs.get('network', None)
self.plugins = kwargs.get('plugins', [])
self.gui_object = kwargs.get('gui_object', None)
#self.config = self.gui_object.config
self.contacts = Contacts(self.electrum_config)
self.invoices = InvoiceStore(self.electrum_config)
# create triggers so as to minimize updation a max of 2 times a sec
self._trigger_update_wallet =\
Clock.create_trigger(self.update_wallet, .5)
self._trigger_update_status =\
Clock.create_trigger(self.update_status, .5)
self._trigger_notify_transactions = \
Clock.create_trigger(self.notify_transactions, 5)
def on_resume(self):
now = time.time()
if self.wallet.has_password and now - self.pause_time > 60:
self.password_dialog(self.wallet, _('Enter PIN'), None, self.stop)
if self.nfcscanner:
self.nfcscanner.nfc_enable()
def do_send(self):
if self.screen.is_pr:
if self.payment_request.has_expired():
self.app.show_error(_('Payment request has expired'))
return
outputs = self.payment_request.get_outputs()
else:
address = str(self.screen.address)
if not address:
self.app.show_error(
_('Recipient not specified.') + ' ' +
_('Please scan a Bitcoin address or a payment request'))
return
if not bitcoin.is_address(address):
self.app.show_error(
_('Invalid Bitcoin Address') + ':\n' + address)
return
try:
amount = self.app.get_amount(self.screen.amount)
except:
self.app.show_error(
_('Invalid amount') + ':\n' + self.screen.amount)
return
outputs = [(bitcoin.TYPE_ADDRESS, address, amount)]
message = unicode(self.screen.message)
amount = sum(map(lambda x: x[2], outputs))
# make unsigned transaction
coins = self.app.wallet.get_spendable_coins()
config = self.app.electrum_config
try:
tx = self.app.wallet.make_unsigned_transaction(
coins, outputs, config, None)
except NotEnoughFunds:
self.app.show_error(_("Not enough funds"))
return
except Exception as e:
traceback.print_exc(file=sys.stdout)
self.app.show_error(str(e))
return
fee = tx.get_fee()
msg = [
_("Amount to be sent") + ": " +
self.app.format_amount_and_units(amount),
_("Mining fee") + ": " + self.app.format_amount_and_units(fee),
]
if fee >= config.get('confirm_fee', 100000):
msg.append(
_('Warning') + ': ' +
_("The fee for this transaction seems unusually high."))
msg.append(_("Enter your PIN code to proceed"))
self.app.protected('\n'.join(msg), self.send_tx, (tx, message))
def show_qr(self):
from electrum.bitcoin import base_encode
text = str(self.tx).decode('hex')
text = base_encode(text, base=43)
self.app.qr_dialog(_("Raw Transaction"), text)
def _delete_wallet(self, b):
if b:
basename = os.path.basename(self.wallet.storage.path)
self.protected(_("Enter your PIN code to confirm deletion of %s") % basename, self.__delete_wallet, ())
def _change_password2(self, cb, old_password, new_password):
self.password_dialog(_('Confirm new PIN'), self._change_password3, (cb, old_password, new_password))
def do_share(self):
uri = self.get_URI()
self.app.do_share(uri, _("Share Zclassic Request"))
def do_paste(self):
contents = self.app._clipboard.paste()
if not contents:
self.app.show_info(_("Clipboard is empty"))
return
self.set_URI(contents)
def add_cosigner_dialog(self, **kwargs):
kwargs['title'] = _("Add Cosigner") + " %d" % kwargs['index']
kwargs['message'] = _(
'Please paste your cosigners master public key, or scan it using the camera button.'
)
AddXpubDialog(self, **kwargs).open()
def do_share(self):
uri = self.get_URI()
self.app.do_share(uri, _("Share Bitcoin Request"))
def _delete_wallet(self, b):
if b:
basename = self.wallet.basename()
self.protected(
_("Enter your PIN code to confirm deletion of {}").format(
basename), self.__delete_wallet, ())
def delete_wallet(self):
from .uix.dialogs.question import Question
basename = os.path.basename(self.wallet.storage.path)
d = Question(
_('Delete wallet?') + '\n' + basename, self._delete_wallet)
d.open()
def show_seed(self, label):
self.protected(_("Enter your PIN code in order to decrypt your seed"),
self._show_seed, (label, ))
def do_copy(self):
uri = self.get_URI()
self.app._clipboard.copy(uri)
self.app.show_info(_('Request copied to clipboard'))
def change_password(self, cb):
if self.wallet.has_password():
self.protected(_("Changing PIN code.") + '\n' + _("Enter your current PIN:"), self._change_password, (cb,))
else:
self._change_password(cb, None)
def do_sign(self):
self.app.protected(_("Enter your PIN code in order to sign this transaction"), self._do_sign, ())
def change_password(self):
self.protected(
_("Changing PIN code.") + '\n' + _("Enter your current PIN:"),
self._change_password, ())
def _do_sign(self, password):
self.status_str = _('Signing') + '...'
Clock.schedule_once(lambda dt: self.__do_sign(password), 0.1)
def __do_sign(self, password):
try:
self.app.wallet.sign_transaction(self.tx, password)
except InvalidPassword:
self.app.show_error(_("Invalid PIN"))
self.update()
def do_save(self):
if self.save_request():
self.app.show_info(_('Request was saved.'))
def add_xpub_dialog(self, **kwargs):
kwargs['message'] += ' ' + _(
'Use the camera button to scan a QR code.')
AddXpubDialog(self, **kwargs).open()
def on_success(old_password, new_password):
self.wallet.update_password(old_password, new_password)
self.show_info(_("Your PIN code was updated"))
def confirm_seed_dialog(self, **kwargs):
kwargs['title'] = _('Confirm Seed')
kwargs['message'] = _(
'Please retype your seed phrase, to confirm that you properly saved it'
)
ConfirmSeedDialog(self, **kwargs).open()
def do_qr(self):
from qr_dialog import QRDialog
popup = QRDialog(_("Master Public Key"), self.xpub, True)
popup.open()
def do_new(self):
addr = self.get_new_address()
if not addr:
self.app.show_info(_('Please use the existing requests first.'))
def do_share(self):
self.app.do_share(self.xpub, _("Master Public Key"))
def update(self):
if not self.screen.address:
self.get_new_address()
else:
status = self.app.wallet.get_request_status(self.screen.address)
self.screen.status = _('Payment received') if status == PR_PAID else ''
def proxy_status(self):
server, port, protocol, proxy, auto_connect = self.app.network.get_parameters(
)
return proxy.get('host') + ':' + proxy.get('port') if proxy else _(
'None')
def on_amount_or_message(self):
self.save_request()
Clock.schedule_once(lambda dt: self.update_qr())
def do_new(self):
addr = self.get_new_address()
if not addr:
self.app.show_info(_('Please use the existing requests first.'))
else:
self.save_request()
self.app.show_info(_('New request added to your list.'))
invoice_text = {
PR_UNPAID: _('Pending'),
PR_UNKNOWN: _('Unknown'),
PR_PAID: _('Paid'),
PR_EXPIRED: _('Expired')
}
request_text = {
PR_UNPAID: _('Pending'),
PR_UNKNOWN: _('Unknown'),
PR_PAID: _('Received'),
PR_EXPIRED: _('Expired')
}
pr_icon = {
PR_UNPAID: 'atlas://gui/kivy/theming/light/important',
PR_UNKNOWN: 'atlas://gui/kivy/theming/light/important',
PR_PAID: 'atlas://gui/kivy/theming/light/confirmed',
PR_EXPIRED: 'atlas://gui/kivy/theming/light/close'
def do_share(self):
uri = self.get_URI()
self.app.do_share(uri, _("Share Digital Pandacoin Request"))
def callback(conf):
if conf == pin:
run_next(pin, False)
else:
self.show_error(_('PIN mismatch'))
self.run('request_password', run_next)
def scan_qr(self, on_complete):
if platform != "android":
return
from jnius import autoclass
from android import activity
PythonActivity = autoclass("org.renpy.android.PythonActivity")
Intent = autoclass("android.content.Intent")
intent = Intent("com.google.zxing.client.android.SCAN")
intent.putExtra("SCAN_MODE", "QR_CODE_MODE")
def on_qr_result(requestCode, resultCode, intent):
if requestCode == 0:
if resultCode == -1: # RESULT_OK:
contents = intent.getStringExtra("SCAN_RESULT")
if intent.getStringExtra("SCAN_RESULT_FORMAT") == "QR_CODE":
on_complete(contents)
else:
self.show_error("wrong format " + intent.getStringExtra("SCAN_RESULT_FORMAT"))
activity.bind(on_activity_result=on_qr_result)
try:
PythonActivity.mActivity.startActivityForResult(intent, 0)
except:
self.show_error(
_("Could not start Barcode Scanner.") + " " + _("Please install the Barcode Scanner app from ZXing")
)