qml: handle bitcoin: and lightning: uri intents

contrib/android/Dockerfile

@@ -175,8 +175,8 @@ RUN cd /opt \
     && git remote add sombernight https://github.com/SomberNight/python-for-android \
     && git remote add accumulator https://github.com/accumulator/python-for-android \
     && git fetch --all \
-    # commit: from branch sombernight/electrum_20210421d
-    && git checkout "1187e179aed6fddb19bf026274ff69903d3b04b2^{commit}" \
+    # commit: from branch accumulator/electrum_20210421d
+    && git checkout "a16a3dd5cf8fe0f846663bce9e248e5432dbbf2d^{commit}" \
     && python3 -m pip install --no-build-isolation --no-dependencies --user -e .
 
 # build env vars

electrum/gui/qml/components/WalletMainView.qml

@@ -12,12 +12,32 @@ Item {
 
     property string title: Daemon.currentWallet ? Daemon.currentWallet.name : ''
 
+    property var _sendDialog
+
     function openInvoice(key) {
         var dialog = invoiceDialog.createObject(app, { invoice: invoiceParser, invoice_key: key })
         dialog.open()
         return dialog
     }
 
+    function openSendDialog() {
+        _sendDialog = sendDialog.createObject(mainView, {invoiceParser: invoiceParser})
+        _sendDialog.open()
+    }
+
+    function closeSendDialog() {
+        if (_sendDialog) {
+            _sendDialog.close()
+            _sendDialog = null
+        }
+    }
+
+    function restartSendDialog() {
+        if (_sendDialog) {
+            _sendDialog.restart()
+        }
+    }
+
     property QtObject menu: Menu {
         id: menu
         MenuItem {
@@ -136,11 +156,7 @@ Item {
                 Layout.preferredWidth: 1
                 icon.source: '../../icons/tab_send.png'
                 text: qsTr('Send')
-                onClicked: {
-                    console.log('send')
-                    _sendDialog = sendDialog.createObject(mainView, {invoiceParser: invoiceParser})
-                    _sendDialog.open()
-                }
+                onClicked: openSendDialog()
             }
             Rectangle {
                 Layout.fillWidth: false
@@ -168,7 +184,7 @@ Item {
         onValidationError: {
             var dialog = app.messageDialog.createObject(app, { text: message })
             dialog.closed.connect(function() {
-                _sendDialog.restart()
+                restartSendDialog()
             })
             dialog.open()
         }
@@ -181,7 +197,7 @@ Item {
             }
         }
         onValidationSuccess: {
-            _sendDialog.close()
+            closeSendDialog()
             var dialog = invoiceDialog.createObject(app, { invoice: invoiceParser })
             dialog.open()
         }
@@ -193,6 +209,13 @@ Item {
         }
     }
 
+    Connections {
+        target: AppController
+        function onUriReceived(uri) {
+            invoiceParser.recipient = uri
+        }
+    }
+
     Component {
         id: invoiceDialog
         InvoiceDialog {
@@ -233,8 +256,6 @@ Item {
         }
     }
 
-    property var _sendDialog
-
     Component {
         id: sendDialog
         SendDialog {

electrum/gui/qml/qeapp.py

@@ -7,8 +7,9 @@ from PyQt5.QtCore import pyqtSlot, pyqtSignal, pyqtProperty, QObject, QUrl, QLoc
 from PyQt5.QtGui import QGuiApplication, QFontDatabase
 from PyQt5.QtQml import qmlRegisterType, qmlRegisterUncreatableType, QQmlApplicationEngine
 
-from electrum.logging import Logger, get_logger
 from electrum import version
+from electrum.logging import Logger, get_logger
+from electrum.util import BITCOIN_BIP21_URI_SCHEME, LIGHTNING_URI_SCHEME
 
 from .qeconfig import QEConfig
 from .qedaemon import QEDaemon, QEWalletListModel
@@ -33,6 +34,7 @@ notification = None
 
 class QEAppController(QObject):
     userNotify = pyqtSignal(str)
+    uriReceived = pyqtSignal(str)
 
     _dummy = pyqtSignal()
 
@@ -56,6 +58,8 @@ class QEAppController(QObject):
 
         self.userNotify.connect(self.notifyAndroid)
 
+        self.bindIntent()
+
     def on_wallet_loaded(self):
         qewallet = self._qedaemon.currentWallet
         if not qewallet:
@@ -105,6 +109,23 @@ class QEAppController(QObject):
         except Exception as e:
             self.logger.error(repr(e))
 
+    def bindIntent(self):
+        try:
+            from android import activity
+            from jnius import autoclass
+            PythonActivity = autoclass('org.kivy.android.PythonActivity')
+            mactivity = PythonActivity.mActivity
+            self.on_new_intent(mactivity.getIntent())
+            activity.bind(on_new_intent=self.on_new_intent)
+        except Exception as e:
+            self.logger.error(f'unable to bind intent: {repr(e)}')
+
+    def on_new_intent(self, intent):
+        data = str(intent.getDataString())
+        scheme = str(intent.getScheme()).lower()
+        if scheme == BITCOIN_BIP21_URI_SCHEME or scheme == LIGHTNING_URI_SCHEME:
+            self.uriReceived.emit(data)
+
     @pyqtSlot(str, str)
     def doShare(self, data, title):
         #if platform != 'android':