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Finding contact manager in Qt

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m (Protected "CS001620 - Finding contact manager in Qt" ([edit=sysop] (indefinite) [move=sysop] (indefinite)))
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|keywords= QContactManager, QContactLocalId
 
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|sourcecode= <!-- Link to example source code (e.g. [[Media:The Code Example ZIP.zip]]) -->
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|installfile= <!-- Link to installation file (e.g. [[Media:The Installation File.sis]]) -->
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|sdk=<!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
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Revision as of 12:20, 24 June 2011


Template:KBCS

Article Metadata
Tested with
Devices(s): Nokia N97, Nokia N900
Compatibility
Platform(s): S60 5th Edition
Maemo 5
Symbian
S60 5th Edition
Article
Keywords: QContactManager, QContactLocalId
Created: tepaa (07 Jul 2010)
Last edited: hamishwillee (24 Jun 2011)

Overview

This code snippet demonstrates how to search contact back-end managers in Qt using the Contacts module of Qt Mobility.

Qt project file

CONFIG += mobility
MOBILITY = contacts
symbian {
TARGET.CAPABILITY = ReadUserData WriteUserData
}

Header

#include <QtGui/QMainWindow>
#include <QPointer>
 
// QtMobility
#include <qcontactmanager.h>
#include <qcontact.h>
QTM_USE_NAMESPACE
 
class qtSnippets : public QMainWindow
{
Q_OBJECT
 
public:
qtSnippets(QWidget *parent = 0);
~qtSnippets();
 
private slots:
void createManager();
 
private:
QPointer<QContactManager> m_contactManager;
};

Source

#include <QTimer>
#include <QMessageBox>
 
qtSnippets::qtSnippets(QWidget *parent)
: QMainWindow(parent)
{
// Let application to startup fully and then
// create manager
QTimer::singleShot(0, this, SLOT(createManager()));
}
 
qtSnippets::~qtSnippets()
{
delete m_contactManager;
}
 
void qtSnippets::createManager()
{
// Get list of different contact back-ends
QStringList availableManagers = QContactManager::availableManagers();
 
QList<QContactLocalId> contactIds;
// Try to find contacts from some back-end
while (!availableManagers.isEmpty()) {
// Get some manager
m_contactManager = new QContactManager(availableManagers.first());
availableManagers.removeFirst();
 
// Contacts exists?
contactIds = m_contactManager->contactIds();
if (!contactIds.isEmpty()) {
// Contact found
availableManagers.clear();
break;
}
else {
// Not found, try the next manager
delete m_contactManager;
m_contactManager = 0;
}
}
 
// Use default if no contact found from any back-end
if (!m_contactManager) {
m_contactManager = new QContactManager();
}
 
// Show message to the user
QString msg = QString("Manager %1 created, that has %2 contacts")
.arg(m_contactManager->managerName()).arg(contactIds.count());
QMessageBox::information(this,"Contacts",msg);
}

You can also create QContactManager to stack using symbian or maemo5 backend keys:

// Create manager (Symbian backend)
QContactManager contactManager("symbian");
// Create manager (Maemo 5, Nokia N900 backend)
QContactManager contactManager("maemo5");


Postconditions

Contact manager is found.

See also

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