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C++ QAndroidJniEnvironment::ExceptionClear方法代码示例

本文整理汇总了C++中QAndroidJniEnvironment::ExceptionClear方法的典型用法代码示例。如果您正苦于以下问题：C++ QAndroidJniEnvironment::ExceptionClear方法的具体用法？C++ QAndroidJniEnvironment::ExceptionClear怎么用？C++ QAndroidJniEnvironment::ExceptionClear使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QAndroidJniEnvironment的用法示例。


在下文中一共展示了QAndroidJniEnvironment::ExceptionClear方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: writeToPort

qint64 QSerialPortPrivate::writeToPort(const char *data, qint64 maxSize)
{
    if (deviceId == BAD_PORT)
    {
        q_ptr->setError(QSerialPort::NotOpenError);
        return 0;
    }

    QAndroidJniEnvironment jniEnv;
    jbyteArray jarrayL = jniEnv->NewByteArray(maxSize);
    jniEnv->SetByteArrayRegion(jarrayL, 0, maxSize, (jbyte *)data);
    if (jniEnv->ExceptionCheck())
        jniEnv->ExceptionClear();
    int resultL = QAndroidJniObject::callStaticMethod<jint>(
        kJniClassName,
        "write",
        "(I[BI)I",
        deviceId,
        jarrayL,
        internalWriteTimeoutMsec);

    if (jniEnv->ExceptionCheck())
    {
        jniEnv->ExceptionClear();
        q_ptr->setErrorString(QStringLiteral("Writing to the device threw an exception"));
        jniEnv->DeleteLocalRef(jarrayL);
        return 0;
    }
    jniEnv->DeleteLocalRef(jarrayL);
    return resultL;
}
开发者ID:KamalGalrani，项目名称:qgroundcontrol，代码行数:31，代码来源:qserialport_android.cpp

示例2: AndroidBroadcastReceiver

LocalDeviceBroadcastReceiver::LocalDeviceBroadcastReceiver(QObject *parent) :
    AndroidBroadcastReceiver(parent), previousScanMode(0)
{
    addAction(valueForStaticField(JavaNames::BluetoothDevice, JavaNames::ActionBondStateChanged));
    addAction(valueForStaticField(JavaNames::BluetoothAdapter, JavaNames::ActionScanModeChanged));
    addAction(valueForStaticField(JavaNames::BluetoothDevice, JavaNames::ActionAclConnected));
    addAction(valueForStaticField(JavaNames::BluetoothDevice, JavaNames::ActionAclDisconnected));
    if (QtAndroidPrivate::androidSdkVersion() >= 15)
        addAction(valueForStaticField(JavaNames::BluetoothDevice, JavaNames::ActionPairingRequest)); //API 15

    //cache integer values for host & bonding mode
    //don't use the java fields directly but refer to them by name
    QAndroidJniEnvironment env;
    for (uint i = 0; i < (sizeof(hostModePreset)/sizeof(hostModePreset[0])); i++) {
        hostModePreset[i] = QAndroidJniObject::getStaticField<jint>(
                                                "android/bluetooth/BluetoothAdapter",
                                                scanModes[i]);
        if (env->ExceptionCheck()) {
            env->ExceptionDescribe();
            env->ExceptionClear();
            hostModePreset[i] = 0;
        }
    }

    for (uint i = 0; i < (sizeof(bondingModePreset)/sizeof(bondingModePreset[0])); i++) {
        bondingModePreset[i] = QAndroidJniObject::getStaticField<jint>(
                                                "android/bluetooth/BluetoothDevice",
                                                bondModes[i]);
        if (env->ExceptionCheck()) {
            env->ExceptionDescribe();
            env->ExceptionClear();
            bondingModePreset[i] = 0;
        }
    }
}
开发者ID:OniLink，项目名称:Qt5-Rehost，代码行数:35，代码来源:localdevicebroadcastreceiver.cpp

示例3: setSocketDescriptor

bool QBluetoothSocketPrivate::setSocketDescriptor(const QAndroidJniObject &socket, QBluetoothServiceInfo::Protocol socketType_,
                         QBluetoothSocket::SocketState socketState, QBluetoothSocket::OpenMode openMode)
{
    Q_Q(QBluetoothSocket);

    if (q->state() != QBluetoothSocket::UnconnectedState || !socket.isValid())
        return false;

    if (!ensureNativeSocket(socketType_))
        return false;

    socketObject = socket;

    QAndroidJniEnvironment env;
    inputStream = socketObject.callObjectMethod("getInputStream", "()Ljava/io/InputStream;");
    outputStream = socketObject.callObjectMethod("getOutputStream", "()Ljava/io/OutputStream;");

    if (env->ExceptionCheck() || !inputStream.isValid() || !outputStream.isValid()) {
        env->ExceptionDescribe();
        env->ExceptionClear();

        //close socket again
        socketObject.callMethod<void>("close");
        if (env->ExceptionCheck()) {
            env->ExceptionDescribe();
            env->ExceptionClear();
        }

        socketObject = inputStream = outputStream = remoteDevice = QAndroidJniObject();


        errorString = QBluetoothSocket::tr("Obtaining streams for service failed");
        q->setSocketError(QBluetoothSocket::NetworkError);
        q->setSocketState(QBluetoothSocket::UnconnectedState);
        return false;
    }

    remoteDevice = socketObject.callObjectMethod("getRemoteDevice", "()Landroid/bluetooth/BluetoothDevice;");

    if (inputThread) {
        inputThread->deleteLater();
        inputThread = 0;
    }
    inputThread = new InputStreamThread(this);
    QObject::connect(inputThread, SIGNAL(dataAvailable()),
                     q, SIGNAL(readyRead()), Qt::QueuedConnection);
    QObject::connect(inputThread, SIGNAL(error(int)),
                     this, SLOT(inputThreadError(int)), Qt::QueuedConnection);
    inputThread->run();


    q->setSocketState(socketState);
    q->setOpenMode(openMode | QIODevice::Unbuffered);

    if (openMode == QBluetoothSocket::ConnectedState)
        emit q->connected();

    return true;
}
开发者ID:Drakey83，项目名称:steamlink-sdk，代码行数:59，代码来源:qbluetoothsocket_android.cpp

示例4: registerNatives

void QASystemDispatcher::registerNatives()
{
#ifdef Q_OS_ANDROID
    QAndroidJniEnvironment env;
    jclass clazz = env->FindClass(JCLASS_Name);
    if (!clazz)
    {
        qCritical() << QString("Can't find %1 class").arg(QString(JCLASS_Name));
        return ;
    }

    JNINativeMethod methods[] =
    {
        {"jniEmit", EMIT_SIGNATURE, (void *)&jniEmit},
    };

    int numMethods = sizeof(methods) / sizeof(methods[0]);
    if (env->RegisterNatives(clazz, methods, numMethods) < 0) {
        if (env->ExceptionOccurred()) {
            env->ExceptionDescribe();
            env->ExceptionClear();
            qCritical() << "Exception occurred!!!";
            return;
        }
    }
#endif
}
开发者ID:FirmwareARM，项目名称:quickandroid，代码行数:27，代码来源:qasystemdispatcher.cpp

示例5: registerNativeMethods

static bool registerNativeMethods()
{
    JNINativeMethod methods[] {
        {"OnImageCaptured", "(ILjava/lang/String;)V", (void*)onImageCaptured}
    };

    const char *classname = "an/qt/imageProcessor/ImageCaptureNative";
    jclass clazz;
    QAndroidJniEnvironment env;

    QAndroidJniObject javaClass(classname);
    clazz = env->GetObjectClass(javaClass.object<jobject>());
    //clazz = env->FindClass(classname);
    qDebug() << "find ImageCaptureNative - " << clazz;
    bool result = false;
    if(clazz)
    {
        jint ret = env->RegisterNatives(clazz,
                                        methods,
                                        sizeof(methods) / sizeof(methods[0]));
        env->DeleteLocalRef(clazz);
        qDebug() << "RegisterNatives return - " << ret;
        result = ret >= 0;
    }
    if(env->ExceptionCheck()) env->ExceptionClear();
    return result;
}
开发者ID:weilaidb，项目名称:qtexample，代码行数:27，代码来源:main.cpp

示例6: registerNativeMethods

bool JniNative::registerNativeMethods()
{
    JNINativeMethod methods[] {
        {"notifyMsg", "(III)V", (void*)notifyMsg},
        {"setDirectBuffer","(Ljava/lang/Object;I)V",(void*)setDirectBuffer}
    };

    const char *classname = "an/qt/useJar/ExtendsQtNative";
    jclass clazz;
    QAndroidJniEnvironment env;

    QAndroidJniObject javaClass(classname);
    clazz = env->GetObjectClass(javaClass.object<jobject>());
//    QDBG << "find ExtendsQtNative - " << clazz;
    bool result = false;
    if (clazz) {
        jint ret = env->RegisterNatives(clazz, methods, sizeof(methods) / sizeof(methods[0]));
        env->DeleteLocalRef(clazz);
//        QDBG << "RegisterNatives return - " << ret;
        result = ret >= 0;
    }
    if (env->ExceptionCheck())
        env->ExceptionClear();
    return result;
}
开发者ID:APCVSRepo，项目名称:hmi_sdk，代码行数:25，代码来源:JniNative.cpp

示例7: readDescriptor

void QLowEnergyControllerPrivate::readDescriptor(
        const QSharedPointer<QLowEnergyServicePrivate> service,
        const QLowEnergyHandle /*charHandle*/,
        const QLowEnergyHandle descriptorHandle)
{
    Q_ASSERT(!service.isNull());

    QAndroidJniEnvironment env;
    bool result = false;
    if (hub) {
        qCDebug(QT_BT_ANDROID) << "Read descriptor with handle"
                               <<  descriptorHandle << service->uuid;
        result = hub->javaObject().callMethod<jboolean>("readDescriptor",
                      "(I)Z", descriptorHandle);
    }

    if (env->ExceptionOccurred()) {
        env->ExceptionDescribe();
        env->ExceptionClear();
        result = false;
    }

    if (!result)
        service->setError(QLowEnergyService::DescriptorReadError);
}
开发者ID:2gis，项目名称:2gisqt5android，代码行数:25，代码来源:qlowenergycontroller_android.cpp

示例8: getDownloadPath

const QString Wpp::getDownloadPath() const
{
	QString downloadPath;
#if defined(Q_OS_ANDROID)
	//https://qt-project.org/forums/viewthread/35519
	QAndroidJniObject mediaDir = QAndroidJniObject::callStaticObjectMethod("android/os/Environment", "getExternalStorageDirectory", "()Ljava/io/File;");
	QAndroidJniObject mediaPath = mediaDir.callObjectMethod( "getAbsolutePath", "()Ljava/lang/String;" );
	downloadPath = mediaPath.toString()+"/Download/";
	QAndroidJniEnvironment env;
	if (env->ExceptionCheck()) {
		// Handle exception here.
		qDebug() << "[ERR]:Android(Extras):getting SD card download path";
		env->ExceptionClear();
	}
#elif defined(Q_OS_IOS)
	QStringList paths = QStandardPaths::standardLocations(QStandardPaths::DownloadLocation);
	qDebug() << "[IOS]download paths count:" << paths.size();
	downloadPath = paths.first();
#else
	QStringList paths = QStandardPaths::standardLocations(QStandardPaths::DownloadLocation);
	qDebug() << "[Other OS]download paths count:" << paths.size();
	downloadPath = paths.first();

#endif
	qDebug() << "downloadPath:" << downloadPath;
	return downloadPath;
}
开发者ID:AndrewDesign，项目名称:wpp-qt，代码行数:27，代码来源:Wpp.cpp

示例9: readCharacteristic

void QLowEnergyControllerPrivate::readCharacteristic(
        const QSharedPointer<QLowEnergyServicePrivate> service,
        const QLowEnergyHandle charHandle)
{
    Q_ASSERT(!service.isNull());

    if (!service->characteristicList.contains(charHandle))
        return;

    QAndroidJniEnvironment env;
    bool result = false;
    if (hub) {
        qCDebug(QT_BT_ANDROID) << "Read characteristic with handle"
                               <<  charHandle << service->uuid;
        result = hub->javaObject().callMethod<jboolean>("readCharacteristic",
                      "(I)Z", charHandle);
    }

    if (env->ExceptionOccurred()) {
        env->ExceptionDescribe();
        env->ExceptionClear();
        result = false;
    }

    if (!result)
        service->setError(QLowEnergyService::CharacteristicReadError);
}
开发者ID:2gis，项目名称:2gisqt5android，代码行数:27，代码来源:qlowenergycontroller_android.cpp

示例10: inputThreadError

void QBluetoothSocketPrivate::inputThreadError(int errorCode)
{
    Q_Q(QBluetoothSocket);

    if (errorCode != -1) { //magic error which is expected and can be ignored
        errorString = QBluetoothSocket::tr("Network error during read");
        q->setSocketError(QBluetoothSocket::NetworkError);
    }

    //finally we can delete the InputStreamThread
    InputStreamThread *client = qobject_cast<InputStreamThread *>(sender());
    if (client)
        client->deleteLater();

    if (socketObject.isValid()) {
        //triggered when remote side closed the socket
        //cleanup internal objects
        //if it was call to local close()/abort() the objects are cleaned up already

        QAndroidJniEnvironment env;
        socketObject.callMethod<void>("close");
        if (env->ExceptionCheck()) {
            env->ExceptionDescribe();
            env->ExceptionClear();
        }

        inputStream = outputStream = remoteDevice = socketObject = QAndroidJniObject();
    }

    q->setSocketState(QBluetoothSocket::UnconnectedState);
    q->setOpenMode(QIODevice::NotOpen);
    emit q->disconnected();
}
开发者ID:Drakey83，项目名称:steamlink-sdk，代码行数:33，代码来源:qbluetoothsocket_android.cpp

示例11: writeDescriptor

void QLowEnergyControllerPrivate::writeDescriptor(
        const QSharedPointer<QLowEnergyServicePrivate> service,
        const QLowEnergyHandle /*charHandle*/,
        const QLowEnergyHandle descHandle,
        const QByteArray &newValue)
{
    Q_ASSERT(!service.isNull());

    QAndroidJniEnvironment env;
    jbyteArray payload;
    payload = env->NewByteArray(newValue.size());
    env->SetByteArrayRegion(payload, 0, newValue.size(),
                            (jbyte *)newValue.constData());

    bool result = false;
    if (hub) {
        qCDebug(QT_BT_ANDROID) << "Write descriptor with handle " << descHandle
                 << newValue.toHex() << "(service:" << service->uuid << ")";
        result = hub->javaObject().callMethod<jboolean>("writeDescriptor", "(I[B)Z",
                                                        descHandle, payload);
    }

    if (env->ExceptionOccurred()) {
        env->ExceptionDescribe();
        env->ExceptionClear();
        result = false;
    }

    env->DeleteLocalRef(payload);

    if (!result)
        service->setError(QLowEnergyService::DescriptorWriteError);
}
开发者ID:2gis，项目名称:2gisqt5android，代码行数:33，代码来源:qlowenergycontroller_android.cpp

示例12: writeData

qint64 QBluetoothSocketPrivate::writeData(const char *data, qint64 maxSize)
{
    //TODO implement buffered behavior (so far only unbuffered)
    Q_Q(QBluetoothSocket);
    if (state != QBluetoothSocket::ConnectedState || !outputStream.isValid()) {
        qCWarning(QT_BT_ANDROID) << "Socket::writeData: " << state << outputStream.isValid();
        errorString = QBluetoothSocket::tr("Cannot write while not connected");
        q->setSocketError(QBluetoothSocket::OperationError);
        return -1;
    }

    QAndroidJniEnvironment env;
    jbyteArray nativeData = env->NewByteArray((qint32)maxSize);
    env->SetByteArrayRegion(nativeData, 0, (qint32)maxSize, reinterpret_cast<const jbyte*>(data));
    outputStream.callMethod<void>("write", "([BII)V", nativeData, 0, (qint32)maxSize);
    env->DeleteLocalRef(nativeData);
    emit q->bytesWritten(maxSize);

    if (env->ExceptionCheck()) {
        qCWarning(QT_BT_ANDROID) << "Error while writing";
        env->ExceptionDescribe();
        env->ExceptionClear();
        errorString = QBluetoothSocket::tr("Error during write on socket.");
        q->setSocketError(QBluetoothSocket::NetworkError);
        return -1;
    }

    return maxSize;
}
开发者ID:Drakey83，项目名称:steamlink-sdk，代码行数:29，代码来源:qbluetoothsocket_android.cpp

示例13: fireSupportForumIntent

void AndroidMainWindow::fireSupportForumIntent()
{
#ifdef Q_OS_ANDROID
//    qDebug() << "fireSupportForumIntent()";
    QAndroidJniObject s1 = QAndroidJniObject::fromString("http://mdforum.designer2k2.at/viewtopic.php?f=15&t=334");
    QSettings settings;
    if ( settings.value("md/md", QVariant ( MDMODE ).toBool() )  == false ) {
        s1 = QAndroidJniObject::fromString("http://digifant-einzelabstimmung.de/bofh-ng/de/digifant-1/live-daten-auslesen");
    }


    QAndroidJniObject::callStaticMethod<void>( "de/gummelinformatics/mui/MuiIntentHelper",
                                           "openUrl",
                                           "(Ljava/lang/String;)V",
                                            s1.object<jstring>() );

    QAndroidJniEnvironment env;
    if (env->ExceptionCheck()) {
        // Handle exception here.
        qDebug() << "*** JNI exception ***";
        env->ExceptionDescribe();
        env->ExceptionClear();
        env->ExceptionClear();
    } else {
        qDebug() << "NO JNI exception";
    }

//    QDesktopServices::openUrl( QUrl("http://mdforum.designer2k2.at/") );

#endif
}
开发者ID:landracer，项目名称:multidisplay-app，代码行数:31，代码来源:AndroidMainWindow.cpp

示例14: createAlbumPath

QString Wpp::createAlbumPath(const QString& albumName)
{
	QString parentPath;

#if defined(Q_OS_ANDROID)
	QAndroidJniObject Environment__MEDIA_MOUNTED = QAndroidJniObject::getStaticObjectField(
				"android/os/Environment", "MEDIA_MOUNTED", "Ljava/lang/String;");
	qDebug() << "Environment__MEDIA_MOUNTED:isValid:" << Environment__MEDIA_MOUNTED.isValid() << ":toString:" << Environment__MEDIA_MOUNTED.toString();
	QString  Environment__MEDIA_MOUNTED_STRING =	Environment__MEDIA_MOUNTED.toString();
	QAndroidJniObject mediaState = QAndroidJniObject::callStaticObjectMethod("android/os/Environment", "getExternalStorageState", "()Ljava/lang/String;");
	QString mediaStateString = mediaState.toString();

	qDebug() <<"mediaStateString:"<< mediaStateString;

	if(mediaStateString != Environment__MEDIA_MOUNTED_STRING )
	{
		qDebug() << "No SD Card...";
		return QString();
	}

		//https://qt-project.org/forums/viewthread/35519
		QAndroidJniObject mediaDir = QAndroidJniObject::callStaticObjectMethod("android/os/Environment", "getExternalStorageDirectory", "()Ljava/io/File;");
		QAndroidJniObject mediaPath = mediaDir.callObjectMethod( "getAbsolutePath", "()Ljava/lang/String;" );
		parentPath = mediaPath.toString();
		QAndroidJniEnvironment env;
		if (env->ExceptionCheck()) {
			// Handle exception here.
			qDebug() << "[ERR]:Android(Extras):getting SD card path";
			env->ExceptionClear();
		}
#elif defined(Q_OS_IOS)
		QStringList paths = QStandardPaths::standardLocations(QStandardPaths::DataLocation);
		qDebug() << "[IOS]album parent paths count:" << paths.size();
		parentPath = paths.first();
#else
		QStringList paths = QStandardPaths::standardLocations(QStandardPaths::DataLocation);
		qDebug() << "[Other OS]album parent paths count:" << paths.size();
		parentPath = paths.first();

#endif

		QDir dir(parentPath);

		qDebug() << __FUNCTION__ << ":dir=" << dir.dirName();

		QString userAlbumPath = parentPath.append("/").append(albumName);;
		QDir userAlbumDir = userAlbumPath;
		if( !userAlbumDir.exists() )
		{
			qDebug() << albumName << ":not exists, create it";
			dir.mkpath( albumName );
		}
		else
		{
			qDebug() << albumName << ":exists";
		}

		return userAlbumPath;
}
开发者ID:AndrewDesign，项目名称:wpp-qt，代码行数:59，代码来源:Wpp.cpp

示例15: cleanJavaException

void cleanJavaException()
{
    QAndroidJniEnvironment env;
    if (env->ExceptionCheck()) {
        env->ExceptionDescribe();
        env->ExceptionClear();
    }
}
开发者ID:KamalGalrani，项目名称:qgroundcontrol，代码行数:8，代码来源:qserialport_android.cpp


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