How I got notification of Wifi on / Off status?

Hello

My rquirement as below

-J' I need notification when the user enable or disable wifi.

I got the signal on bluetooth technology, but for wifi, I don't get any signal.

I am waiting for your positive response please reply me as soon as possible.

Take a look at this - it works for me. Everything I do is to delay the wifi control up/down status for a few seconds whenever I get a network change event to allow the interface change complete.

#include "NetworkMonitor.hpp"

NetworkMonitor* NetworkMonitor::_instance;

NetworkMonitor::NetworkMonitor(QObject *parent)
    : QObject(parent)
    , _initialised(false)
    , _networkWasAvailable(true)
    , _wifiWasAvailable(true)
    , _timer(new QTimer(this))
{
    QObject::connect(_timer, SIGNAL(timeout()),
                       this, SLOT(onTimeout()));
}

NetworkMonitor::~NetworkMonitor() {
    if (_timer->isActive())
        _timer->stop();
    QObject::disconnect(_timer, SIGNAL(timeout()),
                          this, SLOT(onTimeout()));
}

NetworkMonitor *NetworkMonitor::getInstance(QObject *parent)
{
    if (_instance == 0) {
        _instance = new NetworkMonitor(parent);
    }
    return _instance;
}

void NetworkMonitor::start() {
    initialise();
    setNetworkInitialStatus();
    setWifiInitialStatus();
}

void NetworkMonitor::stop() {
    _timer->stop();
    terminate();
}

void NetworkMonitor::initialise() {

    qDebug() << "XXXX NetworkMonitor::initialise() starting..." << endl;

    bool initialised = true;

    if (bps_initialize() == BPS_FAILURE) {
        initialised = false;
        qDebug() << "XXXX Error: BPS failed to initialise" << strerror(errno) << endl;
    }

    if (netstatus_request_events(0) == BPS_FAILURE) {
        initialised = false;
        qDebug() << "XXXX Error: Failed to request Netstatus BPS events" << strerror(errno) << endl;
        bps_shutdown();
    } else {
        qDebug() << "XXXX Registered for Netstatus BPS events OK" << endl;
        subscribe(netstatus_get_domain());
    }
    _initialised = initialised;
}

void NetworkMonitor::terminate() {
    qDebug() << "XXXX NetworkMonitor::terminate entered ..." << endl;
    netstatus_stop_events(0);
    unsubscribe(netstatus_get_domain());
    bps_shutdown();
}

void NetworkMonitor::event(bps_event_t *event) {
    qDebug() << "XXXX NetworkMonitor::event() entered ..." << endl;

    int domain = bps_event_get_domain(event);
    if ((netstatus_get_domain() == domain) &&
        (bps_event_get_code(event) == NETSTATUS_INFO)) {
            handleNetStatusEvent(event);
    }
}

void NetworkMonitor::handleNetStatusEvent(bps_event_t *event)
{
    Q_UNUSED(event)

    qDebug() << "XXXX NetworkMonitor::handleNetStatusEvent() entered ..." << endl;

    setNetworkStatus();
    if (!_timer->isActive()) {
        _timer->start(5000);
    }
}

void NetworkMonitor::onTimeout()
{
    if (_timer->isActive())
        _timer->stop();
    setWifiStatus();
}

void NetworkMonitor::setNetworkInitialStatus()
{
    if (networkAvailabile()) {
        qDebug() << "XXXX Network Initially Available" << endl;
        _networkWasAvailable = true;
        emit networkAvailable();
    } else {
        qDebug() << "XXXX Network Initially Not Available" << endl;
        _networkWasAvailable = false;
        emit networkNotAvailable();
    }
}

void NetworkMonitor::setWifiInitialStatus()
{
    if (wifiAvailabile()) {
        qDebug() << "XXXX Wifi Initially Available" << endl;
        _wifiWasAvailable = true;
        emit wifiAvailable();
    } else {
        qDebug() << "XXXX Wifi Initially Not Available" << endl;
        _wifiWasAvailable = false;
        emit wifiNotAvailable();
    }
}

void NetworkMonitor::setNetworkStatus()
{
    if (networkAvailabile()) {
        qDebug() << "XXXX Network Available" << endl;
        if (!_networkWasAvailable) {
            qDebug() << "XXXX Network changed to Available" << endl;
            _networkWasAvailable = true;
            emit networkAvailable();
        }
    } else {
        qDebug() << "XXXX Network Not Available" << endl;
        if (_networkWasAvailable) {
            qDebug() << "XXXX Network changed to Not Available" << endl;
            _networkWasAvailable = false;
            emit networkNotAvailable();
        }
    }
}

void NetworkMonitor::setWifiStatus()
{
    if (wifiAvailabile()) {
        qDebug() << "XXXX Wifi Available" << endl;
        if (!_wifiWasAvailable) {
            qDebug() << "XXXX Wifi changed to Available" << endl;
            _wifiWasAvailable = true;
            emit wifiAvailable();
        }
    } else {
        qDebug() << "XXXX Wifi Not Available" << endl;
        if (_wifiWasAvailable) {
            qDebug() << "XXXX Wifi changed to Not Available" << endl;
            _wifiWasAvailable = false;
            emit wifiNotAvailable();
        }
    }
}

bool NetworkMonitor::networkAvailabile()
{
    netstatus_info_t *info;
    bool available = false;

    if (netstatus_get_info(&info) == BPS_SUCCESS) {
        if (netstatus_info_get_availability(info)) {
            available = true;
        }
        netstatus_free_info(&info);
    }
    return available;
}

bool NetworkMonitor::wifiAvailabile()
{
    qDebug() << "XXXX NetworkMonitor::wifiAvailabile()" << endl;

    bool available = false;

    netstatus_interface_list_t iflist;
    netstatus_get_interfaces(&iflist);

    qDebug() << "XXXX NetworkMonitor::wifiAvailabile() - num_interfaces=" << iflist.num_interfaces << endl;

    for(int i = 0; i < iflist.num_interfaces; i++) {

        netstatus_interface_details_t *details = 0;
        netstatus_get_interface_details(iflist.interfaces[i], &details);

        if(details) {
            qDebug() << "XXXX NetworkMonitor::wifiAvailabile() - i/f details Available" << endl;
            const char *name = netstatus_interface_get_name(details);
            netstatus_interface_type_t type = netstatus_interface_get_type(details);

            qDebug() << "XXXX NetworkMonitor::wifiAvailabile() - i/f name=" << name << endl;
            qDebug() << "XXXX NetworkMonitor::wifiAvailabile() - i/f type=" << type << endl;
            qDebug() << "XXXX NetworkMonitor::wifiAvailabile() - is_up=" << netstatus_interface_is_up(details) << endl;

            if (type == NETSTATUS_INTERFACE_TYPE_WIFI) {
                if (netstatus_interface_is_up(details)) {
                    qDebug() << "XXXX NetworkMonitor::wifiAvailabile() - Found a WiFi i/f in UP State" << endl;
                    available = true;
                } else {
                    qDebug() << "XXXX NetworkMonitor::wifiAvailabile() - Found a Wifi i/f in DOWN State" << endl;
                }
            }
        } else {
            qDebug() << "XXXX NetworkMonitor::wifiAvailabile() - i/f details N/A" << endl;
        }
        netstatus_free_interface_details(&details);
    }
    netstatus_free_interfaces(&iflist);
    return available;
}

Tags: BlackBerry Developers

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