diff options
| -rw-r--r-- | mobile-widgets/qmlmanager.cpp | 77 | ||||
| -rw-r--r-- | mobile-widgets/qmlmanager.h | 9 |
2 files changed, 86 insertions, 0 deletions
diff --git a/mobile-widgets/qmlmanager.cpp b/mobile-widgets/qmlmanager.cpp index 671fdf7b4..8128fbce3 100644 --- a/mobile-widgets/qmlmanager.cpp +++ b/mobile-widgets/qmlmanager.cpp @@ -11,6 +11,10 @@ #include <QApplication> #include <QElapsedTimer> #include <QTimer> +#if defined(Q_OS_ANDROID) +#include <QAndroidJniObject> +#include <QAndroidJniEnvironment> +#endif #include "qt-models/divelistmodel.h" #include "qt-models/gpslistmodel.h" @@ -92,6 +96,12 @@ QMLManager::QMLManager() : m_locationServiceEnabled(false), #if defined(BT_SUPPORT) if (localBtDevice.isValid()) { localBtDevice.powerOn(); + QStringList pairedBT = getBluetoothDevices(); + + for (int i = 0; i < pairedBT.length(); i++) { + qDebug() << "Paired = " << pairedBT[i]; + } + QString localDeviceName = "localDevice " + localBtDevice.name() + " is valid, starting discovery"; appendTextToLog(localDeviceName.toUtf8().data()); discoveryAgent = new QBluetoothDeviceDiscoveryAgent(this); @@ -1597,3 +1607,70 @@ QStringList QMLManager::getDCListFromVendor(const QString& vendor) { return productList[vendor]; } + +// +// As Qt is not able to pull the pairing data from a device, a lengthy +// discovery process is needed to see what devices are paired. On +// https://forum.qt.io/topic/46075/solved-bluetooth-list-paired-devices +// user s.frings74 does, however, present a solution to this using JNI. +// Currently, this code is taken "as is". +// +QStringList QMLManager::getBluetoothDevices() +{ + QStringList result; +#if defined(Q_OS_ANDROID) + QString fmt("%1 %2"); + // Query via Android Java API. + + // returns a BluetoothAdapter + QAndroidJniObject adapter=QAndroidJniObject::callStaticObjectMethod("android/bluetooth/BluetoothAdapter","getDefaultAdapter","()Landroid/bluetooth/BluetoothAdapter;"); + if (checkException("BluetoothAdapter.getDefaultAdapter()", &adapter)) { + return result; + } + // returns a Set<BluetoothDevice> + QAndroidJniObject pairedDevicesSet=adapter.callObjectMethod("getBondedDevices","()Ljava/util/Set;"); + if (checkException("BluetoothAdapter.getBondedDevices()", &pairedDevicesSet)) { + return result; + } + jint size=pairedDevicesSet.callMethod<jint>("size"); + checkException("Set<BluetoothDevice>.size()", &pairedDevicesSet); + if (size > 0) { + // returns an Iterator<BluetoothDevice> + QAndroidJniObject iterator=pairedDevicesSet.callObjectMethod("iterator","()Ljava/util/Iterator;"); + if (checkException("Set<BluetoothDevice>.iterator()", &iterator)) { + return result; + } + for (int i = 0; i < size; i++) { + // returns a BluetoothDevice + QAndroidJniObject dev=iterator.callObjectMethod("next","()Ljava/lang/Object;"); + if (checkException("Iterator<BluetoothDevice>.next()", &dev)) { + continue; + } + QString address=dev.callObjectMethod("getAddress","()Ljava/lang/String;").toString(); // returns a String + QString name=dev.callObjectMethod("getName", "()Ljava/lang/String;").toString(); // returns a String + result.append(fmt.arg(address).arg(name)); + } +} +#endif + return result; +} + +#if defined(Q_OS_ANDROID) +bool QMLManager::checkException(const char* method, const QAndroidJniObject *obj) +{ + static QAndroidJniEnvironment env; + bool result = false; + + if (env->ExceptionCheck()) { + qCritical("Exception in %s", method); + env->ExceptionDescribe(); + env->ExceptionClear(); + result=true; + } + if (!(obj == NULL || obj->isValid())) { + qCritical("Invalid object returned by %s", method); + result=true; + } + return result; +} +#endif diff --git a/mobile-widgets/qmlmanager.h b/mobile-widgets/qmlmanager.h index e21b93d07..bc2cc1fbf 100644 --- a/mobile-widgets/qmlmanager.h +++ b/mobile-widgets/qmlmanager.h @@ -12,6 +12,9 @@ #include <QBluetoothDeviceDiscoveryAgent> #include <QBluetoothUuid> #endif +#if defined(Q_OS_ANDROID) +#include <QAndroidJniObject> +#endif #include "core/gpslocation.h" #include "qt-models/divelistmodel.h" @@ -125,6 +128,7 @@ public: #if defined(BT_SUPPORT) void btDeviceDiscovered(const QBluetoothDeviceInfo &device); #endif + QStringList getBluetoothDevices(); public slots: void applicationStateChanged(Qt::ApplicationState state); @@ -207,6 +211,11 @@ private: bool checkDepth(DiveObjectHelper *myDive, struct dive *d, QString depth); bool currentGitLocalOnly; bool m_showPin; + +#if defined(Q_OS_ANDROID) + bool checkException(const char* method, const QAndroidJniObject* obj); +#endif + #if defined(BT_SUPPORT) QBluetoothLocalDevice localBtDevice; QBluetoothDeviceDiscoveryAgent *discoveryAgent; |