87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
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from kivy.utils import platform
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if platform != 'android':
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raise ImportError
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from electrum_gui.kivy.nfc_scanner import NFCBase
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from jnius import autoclass, cast
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from android.runnable import run_on_ui_thread
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from android import activity
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NfcAdapter = autoclass('android.nfc.NfcAdapter')
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PythonActivity = autoclass('org.renpy.android.PythonActivity')
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Intent = autoclass('android.content.Intent')
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IntentFilter = autoclass('android.content.IntentFilter')
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PendingIntent = autoclass('android.app.PendingIntent')
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NdefRecord = autoclass('android.nfc.NdefRecord')
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NdefMessage = autoclass('android.nfc.NdefMessage')
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class ScannerAndroid(NFCBase):
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def nfc_init(self):
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# print 'nfc_init()'
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# print 'configure nfc'
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self.j_context = context = PythonActivity.mActivity
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self.nfc_adapter = NfcAdapter.getDefaultAdapter(context)
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self.nfc_pending_intent = PendingIntent.getActivity(context, 0,
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Intent(context, context.getClass()).addFlags(
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Intent.FLAG_ACTIVITY_SINGLE_TOP), 0)
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# print 'p2p filter'
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self.ndef_detected = IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED)
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self.ndef_detected.addDataType('text/plain')
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self.ndef_exchange_filters = [self.ndef_detected]
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def on_new_intent(self, intent):
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# print 'on_new_intent()', intent.getAction()
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if intent.getAction() != NfcAdapter.ACTION_NDEF_DISCOVERED:
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# print 'unknow action, avoid.'
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return
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rawmsgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES)
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# print 'raw messages', rawmsgs
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if not rawmsgs:
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return
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for message in rawmsgs:
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message = cast(NdefMessage, message)
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# print 'got message', message
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payload = message.getRecords()[0].getPayload()
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self.payload = payload
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print 'payload: {}'.format(''.join(map(chr, payload)))
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def nfc_disable(self):
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# print 'nfc_enable()'
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activity.bind(on_new_intent=self.on_new_intent)
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def nfc_enable(self):
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# print 'nfc_enable()'
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activity.bind(on_new_intent=self.on_new_intent)
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@run_on_ui_thread
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def _nfc_enable_ndef_exchange(self, data):
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# print 'create record'
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ndef_record = NdefRecord(
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NdefRecord.TNF_MIME_MEDIA,
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'text/plain', '', data)
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# print 'create message'
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ndef_message = NdefMessage([ndef_record])
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# print 'enable ndef push'
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self.nfc_adapter.enableForegroundNdefPush(self.j_context, ndef_message)
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# print 'enable dispatch', self.j_context, self.nfc_pending_intent
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self.nfc_adapter.enableForegroundDispatch(self.j_context,
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self.nfc_pending_intent, self.ndef_exchange_filters, [])
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@run_on_ui_thread
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def _nfc_disable_ndef_exchange(self):
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self.nfc_adapter.disableForegroundNdefPush(self.j_context)
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self.nfc_adapter.disableForegroundDispatch(self.j_context)
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def nfc_enable_exchange(self, data):
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self._nfc_enable_ndef_exchange()
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def nfc_disable_exchange(self):
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self._nfc_disable_ndef_exchange()
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