Initial stab on NFC support

androidservice/androidservice.pro

@@ -2,7 +2,7 @@ TEMPLATE = lib
 TARGET = service
 CONFIG += dll
 QT += core androidextras
-QT += network qml quick quickcontrols2 svg websockets bluetooth charts
+QT += network qml quick quickcontrols2 svg websockets bluetooth charts nfc
 
 include(../config.pri)
 include(../android_openssl/openssl.pri)

androidservice/controlviews/devicecontrolapplication.cpp

@@ -13,6 +13,7 @@
 #include <QtQml>
 #include <QtAndroid>
 #include <QAndroidJniObject>
+#include <QNdefNfcUriRecord>
 
 QObject *platformHelperProvider(QQmlEngine *engine, QJSEngine *scriptEngine)
 {
@@ -26,26 +27,31 @@ DeviceControlApplication::DeviceControlApplication(int argc, char *argv[]) : QAp
     setApplicationName("nymea-app");
     setOrganizationName("nymea");
 
+    QNearFieldManager *manager = new QNearFieldManager(this);
+    int ret = manager->registerNdefMessageHandler(this, SLOT(handleNdefMessage(QNdefMessage,QNearFieldTarget*)));
+    qDebug() << "*** NFC registered" << ret;
+
     QString nymeaId = QtAndroid::androidActivity().callObjectMethod<jstring>("nymeaId").toString();
     QString thingId = QtAndroid::androidActivity().callObjectMethod<jstring>("thingId").toString();
 
     QSettings settings;
 
-    NymeaDiscovery *discovery = new NymeaDiscovery(this);
+    m_discovery = new NymeaDiscovery(this);
     AWSClient::instance()->setConfig(settings.value("cloudEnvironment").toString());
-    discovery->setAwsClient(AWSClient::instance());
+    m_discovery->setAwsClient(AWSClient::instance());
-    NymeaHost *host = discovery->nymeaHosts()->find(nymeaId);
+    NymeaHost *host = m_discovery->nymeaHosts()->find(nymeaId);
 
-    if (!host) {
+    if (nymeaId.isEmpty() && !host) {
         qWarning() << "No such nymea host:" << nymeaId;
         // TODO: We could wait here until the discovery finds it... But it really should be cached already...
         exit(1);
     }
 
-    Engine *m_engine = new Engine(this);
+    m_engine = new Engine(this);
+
+    m_engine->jsonRpcClient()->connectToHost(host);
 
     qDebug() << "Connecting to:" << host;
-    m_engine->jsonRpcClient()->connectToHost(host);
 
     qDebug() << "Creating QML view";
     QQmlApplicationEngine *qmlEngine = new QQmlApplicationEngine(this);
@@ -64,3 +70,32 @@ DeviceControlApplication::DeviceControlApplication(int argc, char *argv[]) : QAp
     qmlEngine->load(QUrl(QLatin1String("qrc:/Main.qml")));
 }
 
+void DeviceControlApplication::handleNdefMessage(QNdefMessage message, QNearFieldTarget *target)
+{
+    qDebug() << "************* NFC message!" << message.toByteArray() << target;
+    foreach (const QNdefRecord &record, message) {
+        QNdefNfcUriRecord uriRecord(record);
+        qDebug() << "record" << uriRecord.uri();
+        QUrl url = uriRecord.uri();
+        QUuid nymeaId = QUuid(url.host().split('.').first());
+        QUuid thingId = QUuid(url.host().split('.').last());
+        QList<QPair<QString, QString>> queryItems = QUrlQuery(url.query()).queryItems();
+        for (int i = 0; i < queryItems.count(); i++) {
+            QUuid stateTypeId = queryItems.at(i).first;
+            QVariant value = queryItems.at(i).second;
+
+        }
+
+        NymeaHost *host = m_discovery->nymeaHosts()->find(nymeaId);
+        m_engine->jsonRpcClient()->connectToHost(host);
+        qmlEngine->rootContext()->setContextProperty("controlledThingId", thingId);
+
+    }
+}
+
+void DeviceControlApplication::createView()
+{
+
+}
+
+

androidservice/controlviews/devicecontrolapplication.h

@@ -2,6 +2,11 @@
 #define DEVICECONTROLAPPLICATION_H
 
 #include <QApplication>
+#include <QNearFieldManager>
+#include <QNdefMessage>
+
+#include "connection/discovery/nymeadiscovery.h"
+#include "engine.h"
 
 class DeviceControlApplication : public QApplication
 {
@@ -9,6 +14,15 @@ class DeviceControlApplication : public QApplication
 public:
     explicit DeviceControlApplication(int argc, char *argv[]);
 
+private slots:
+    void handleNdefMessage(QNdefMessage message,QNearFieldTarget* target);
+
+    void createView();
+
+private:
+    NymeaDiscovery *m_discovery = nullptr;
+    Engine *m_engine = nullptr;
+
 };
 
 #endif // DEVICECONTROLAPPLICATION_H

androidservice/nymeaappservice/nymeaappservice.h

@@ -2,6 +2,8 @@
 #define NYMEAAPPSERVICE_H
 
 #include <QAndroidService>
+#include <QNearFieldManager>
+#include <QNdefMessage>
 
 #include "engine.h"
 

nymea-app/images.qrc

@@ -236,5 +236,6 @@
         <file>ui/images/connections/nm-signal-100-secure.svg</file>
         <file>ui/images/connections/bluetooth.svg</file>
         <file>ui/images/connections/network-wired-disabled.svg</file>
+        <file>ui/images/nfc.svg</file>
     </qresource>
 </RCC>

nymea-app/main.cpp

@@ -52,6 +52,7 @@
 #include "pushnotifications.h"
 #include "applogcontroller.h"
 #include "ruletemplates/messages.h"
+#include "nfchelper.h"
 
 QObject *platformHelperProvider(QQmlEngine *engine, QJSEngine *scriptEngine)
 {
@@ -124,6 +125,7 @@ int main(int argc, char *argv[])
     QQmlApplicationEngine *engine = new QQmlApplicationEngine();
 
     qmlRegisterSingletonType<PlatformHelper>("Nymea", 1, 0, "PlatformHelper", platformHelperProvider);
+    qmlRegisterType<NfcHelper>("Nymea", 1, 0, "NfcHelper");
 
     PushNotifications::instance()->connectClient();
     qmlRegisterSingletonType<PushNotifications>("Nymea", 1, 0, "PushNotifications", PushNotifications::pushNotificationsProvider);

nymea-app/nfchelper.cpp

@@ -0,0 +1,86 @@
+#include "nfchelper.h"
+#include "types/deviceclass.h"
+#include "types/statetype.h"
+
+#include <QNearFieldManager>
+#include <QNdefMessage>
+#include <QDebug>
+#include <QNdefNfcUriRecord>
+#include <QUrl>
+#include <QUrlQuery>
+
+NfcHelper::NfcHelper(QObject *parent) : QObject(parent)
+{
+    m_manager = new QNearFieldManager(this);
+    connect(m_manager, &QNearFieldManager::targetDetected, this, &NfcHelper::targetDetected);
+    connect(m_manager, &QNearFieldManager::targetLost, this, &NfcHelper::targetLost);
+}
+
+bool NfcHelper::busy() const
+{
+    return m_busy;
+}
+
+void NfcHelper::writeThingStates(Engine *engine, Device *thing)
+{
+    if (m_busy) {
+        return;
+    }
+
+    QUrl url;
+    url.setScheme("nymea");
+    url.setHost(engine->jsonRpcClient()->currentHost()->uuid().toString().remove(QRegExp("[{}]")) + "." + thing->id().toString().remove(QRegExp("[{}]")));
+    QUrlQuery query;
+    for (int i = 0; i < thing->thingClass()->stateTypes()->rowCount(); i++) {
+        StateType *stateType = thing->thingClass()->stateTypes()->get(i);
+        ActionType *actionType = thing->thingClass()->actionTypes()->getActionType(stateType->id());
+        if (!actionType) {
+            continue; // Read only state
+        }
+        QVariant currentValue = thing->states()->getState(stateType->id())->value();
+        query.addQueryItem(stateType->id().toString().remove(QRegExp("[{}]")), currentValue.toString());
+    }
+    url.setQuery(query);
+    qDebug() << "writing message" << url;
+
+    QNdefNfcUriRecord record;
+    record.setUri(url);
+    QNdefMessage message;
+    message.append(record);
+
+    m_currentMessage = message;
+    m_manager->startTargetDetection();
+    m_busy = true;
+    emit busyChanged();
+}
+
+void NfcHelper::targetDetected(QNearFieldTarget *target)
+{
+    connect(target, &QNearFieldTarget::ndefMessagesWritten, this, &NfcHelper::ndefMessageWritten);
+    connect(target, &QNearFieldTarget::error, this, &NfcHelper::targetError);
+
+
+    QNearFieldTarget::RequestId m_request = target->writeNdefMessages(QList<QNdefMessage>() << m_currentMessage);
+    if (!m_request.isValid()) {
+        qDebug() << "Error writing tag";
+        //targetError(QNearFieldTarget::NdefWriteError, m_request);
+    }
+}
+
+void NfcHelper::targetLost(QNearFieldTarget *target)
+{
+    qDebug() << "Target lost" << target;
+}
+
+void NfcHelper::ndefMessageWritten()
+{
+    qDebug() << "NDEF message written";
+    m_manager->stopTargetDetection();
+    m_busy = false;
+    emit busyChanged();
+}
+
+void NfcHelper::targetError()
+{
+    qDebug() << "Target error";
+}

nymea-app/nfchelper.h

@@ -0,0 +1,42 @@
+#ifndef NFCHELPER_H
+#define NFCHELPER_H
+
+#include <QObject>
+#include <QNearFieldManager>
+#include <QNdefMessage>
+
+#include "types/device.h"
+#include "engine.h"
+
+class NfcHelper : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(bool busy READ busy NOTIFY busyChanged)
+
+public:
+    explicit NfcHelper(QObject *parent = nullptr);
+
+    bool busy() const;
+
+public slots:
+    void writeThingStates(Engine *engine, Device *thing);
+
+signals:
+    void busyChanged();
+
+private slots:
+    void targetDetected(QNearFieldTarget *target);
+    void targetLost(QNearFieldTarget *target);
+
+    void ndefMessageWritten();
+    void targetError();
+
+private:
+    QNearFieldManager *m_manager = nullptr;
+    bool m_busy = false;
+
+    QNdefMessage m_currentMessage;
+
+};
+
+#endif // NFCHELPER_H

nymea-app/nymea-app.pro

@@ -2,7 +2,7 @@ TEMPLATE=app
 TARGET=nymea-app
 include(../config.pri)
 
-QT += network qml quick quickcontrols2 svg websockets bluetooth charts gui-private
+QT += network qml quick quickcontrols2 svg websockets bluetooth charts gui-private nfc
 
 INCLUDEPATH += $$top_srcdir/libnymea-app
 LIBS += -L$$top_builddir/libnymea-app/ -lnymea-app
@@ -14,6 +14,7 @@ PRE_TARGETDEPS += ../libnymea-app
 
 HEADERS += \
     mainmenumodel.h \
+    nfchelper.h \
     platformintegration/generic/raspberrypihelper.h \
     stylecontroller.h \
     pushnotifications.h \
@@ -24,6 +25,7 @@ HEADERS += \
 
 SOURCES += main.cpp \
     mainmenumodel.cpp \
+    nfchelper.cpp \
     platformintegration/generic/raspberrypihelper.cpp \
     stylecontroller.cpp \
     pushnotifications.cpp \
@@ -162,3 +164,5 @@ BR=$$BRANDING
 
 target.path = /usr/bin
 INSTALLS += target
+
+ANDROID_ABIS = armeabi-v7a arm64-v8a

nymea-app/ui/devicepages/DevicePageBase.qml

@@ -96,7 +96,7 @@ Page {
                 thingMenu.addItem(menuEntryComponent.createObject(thingMenu, {text: qsTr("Logs"), iconSource: "../images/logs.svg", functionName: "openDeviceLogPage"}))
             }
 
-            if (engine.jsonRpcClient.ensureServerVersion(1.6)) {
+            if (engine.jsonRpcClient.ensureServerVersion("1.6")) {
                 thingMenu.addItem(menuEntryComponent.createObject(thingMenu,
                     {
                         text: Qt.binding(function() { return favoritesProxy.count === 0 ? qsTr("Mark as favorite") : qsTr("Remove from favorites")}),
@@ -111,6 +111,14 @@ Page {
                         functionName: "addToGroup"
                     }))
             }
+
+            thingMenu.addItem(menuEntryComponent.createObject(thingMenu,
+                {
+                    text: qsTr("Write NFC tag"),
+                    iconSource: "../images/nfc.svg",
+                    functionName: "writeNfcTag"
+
+                }));
         }
         function openDeviceMagicPage() {
             pageStack.push(Qt.resolvedUrl("../magic/DeviceRulesPage.qml"), {device: root.device})
@@ -138,6 +146,14 @@ Page {
             pageStack.push(Qt.resolvedUrl("DeviceLogPage.qml"), {device: root.device });
         }
 
+        NfcHelper {
+            id: nfcHelper
+        }
+
+        function writeNfcTag() {
+            nfcHelper.writeThingStates(engine, root.thing)
+        }
+
         Component {
             id: menuEntryComponent
             IconMenuItem {

nymea-app/ui/images/nfc.svg

@@ -0,0 +1,94 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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+   id="svg4874"
+   height="96"
+   viewBox="0 0 96 96.000001"
+   width="96"
+   version="1.1"
+   sodipodi:docname="nfc.svg"
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packaging/android/AndroidManifest.xml

@@ -64,6 +64,11 @@
 
 
         <activity android:process=":qt_controlsActivity"  android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation|mcc|mnc|density" android:name="io.guh.nymeaapp.NymeaAppControlsActivity" android:label="nymea:app" android:screenOrientation="unspecified" android:launchMode="standard">
+            <intent-filter>
+                <action android:name="android.nfc.action.NDEF_DISCOVERED"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+                <data android:scheme="nymea"/>
+            </intent-filter>
             <meta-data android:name="android.app.lib_name" android:value="service"/>
             <meta-data android:name="android.app.arguments" android:value="--controlActivity"/>
             <meta-data android:name="android.app.qt_sources_resource_id" android:resource="@array/qt_sources"/>
@@ -95,6 +100,11 @@
         <!-- For adding service(s) please check: https://wiki.qt.io/AndroidServices -->
 
         <service android:process=":qt_service" android:name="io.guh.nymeaapp.NymeaAppService">
+            <intent-filter>
+                <action android:name="android.nfc.action.NDEF_DISCOVERED"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+                <data android:scheme="xbmc"/>
+            </intent-filter>
             <meta-data android:name="android.app.lib_name" android:value="service"/>
             <meta-data android:name="android.app.qt_sources_resource_id" android:resource="@array/qt_sources"/>
             <meta-data android:name="android.app.repository" android:value="default"/>
@@ -145,4 +155,5 @@
          Remove the comment if you do not require these default features. -->
     <!-- %%INSERT_FEATURES -->
     <uses-permission android:name="android.permission.VIBRATE"/>
+    <uses-permission android:name="android.permission.NFC" />
 </manifest>

packaging/android/src/io/guh/nymeaapp/NymeaAppControlsActivity.java

@@ -8,6 +8,9 @@ import android.telephony.TelephonyManager;
 import android.provider.Settings.Secure;
 import android.os.Vibrator;
 import android.os.Process;
+import android.nfc.NfcAdapter;
+import android.nfc.NdefMessage;
+import android.os.Parcelable;
 
 // An activity spawned by android device controls on demand.
 
@@ -48,4 +51,22 @@ public class NymeaAppControlsActivity extends org.qtproject.qt5.android.bindings
         v.vibrate(duration);
     }
 
+    @Override
+    protected void onNewIntent(Intent intent) {
+        Log.d(TAG, "*************** New intent");
+        super.onNewIntent(intent);
+        if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(intent.getAction())) {
+            Parcelable[] rawMessages =
+                intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
+            if (rawMessages != null) {
+                NdefMessage[] messages = new NdefMessage[rawMessages.length];
+                for (int i = 0; i < rawMessages.length; i++) {
+                    messages[i] = (NdefMessage) rawMessages[i];
+                    Log.d(TAG, messages[i].toString());
+                }
+                // Process the messages array.
+            }
+        }
+    }
+
 }