How to open standard Clock App in Qt Maemo application

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Article Metadata

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Tested with

Devices(s): N900

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Compatibility

Platform(s): Qt, Maemo

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Article

Keywords: QWidget, QDBusConnection

Created: Avis (30 Nov 2010)

Last edited: hamishwillee (11 Oct 2012)

Overview

This article shows how to start system applications in Maemo, using the D-Bus command (as there is no Qt API for this purpose).

Here is an example of how to start Clock Application.

Project .pro file

// Maemo specific config lines, added to PRO-file
unix:!symbian {
    CONFIG += qdbus
}

Header

#include <QtDBus/QtDBus>

Source

// initializing D-Bus connection
QDBusConnection bus = QDBusConnection::sessionBus();
// here we create the D-Bus interface for starting application
QDBusInterface dbus_iface("com.nokia.HildonDesktop.AppMgr", "/com/nokia/HildonDesktop/AppMgr",
                          "com.nokia.HildonDesktop.AppMgr", bus);
// here we send command 'LaunchApplication' with param 'worldclock'
dbus_iface.call("LaunchApplication","worldclock");

See also

• Minimise application and show task switcher in Qt for Maemo

--Avis 8:51, 30 November 2010 (UTC)