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Revision as of 18:06, 29 March 2010 by Yashu (Talk | contribs)

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How to read and display contacts from phonebook using Qt Mobility

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Article Metadata
Tested with
Devices(s): Nokia 5800 and Nokia N97.
Compatibility
Platform(s): S60 3rd Edition, FP1, FP2
S60 5th Edition
Symbian
Article
Keywords: QContactManager, QContact, QContactLocalId
Created: (29 Mar 2010)
Last edited: Yashu (29 Mar 2010)

Underconstruction.pngUnder Construction: This article is under construction and it may have outstanding issues. If you have any comments please use the comments tab.

Contents

Overview

This code example shows how to read contacts from contact book (phonebook). User might need to read contacts programmatically by one or more reason, this code example shows how to use QtMobility Contacts APIs to read contacts from contact book.

This snippet requires ReadUserData, ReadDeviceData capabilities. Self-signing is not possible, a Developer certificate is needed to sign application for testing.

Prerequisite


Headers required

 #include <qtcontacts.h>

.pro file

Modify your .pro file as follows.

INCLUDEPATH += D:/QtMobility/src/contacts \
INCLUDEPATH += D:/QtMobility/src/contacts/filters \
INCLUDEPATH += D:/QtMobility/src/contacts/requests \
INCLUDEPATH += D:/QtMobility/src/contacts/details
INCLUDEPATH += D:/QtMobility/src/global
 
CONFIG += mobility
MOBILITY = contacts
 
symbian::TARGET.CAPABILITY = ReadUserData \
ReadDeviceData

Header file

#ifndef DISPLAYCONTACTS_H
#define DISPLAYCONTACTS_H
 
#include <QtGui/QMainWindow>
#include "qtcontacts.h"
 
QTM_USE_NAMESPACE
 
class QScrollArea;
class QListWidget;
 
class DisplayContacts : public QMainWindow
{
Q_OBJECT
 
public:
DisplayContacts(QWidget *parent = 0);
~DisplayContacts();
 
private:
void fetchContcatsFromContactBook();
 
private:
QListWidget *listWidget;
QScrollArea *scrollArea;
};
 
#endif // DISPLAYCONTACTS_H

Source file

#include "DisplayContacts.h"
#include <QListWidget>
#include <QScrollArea>
 
DisplayContacts::DisplayContacts(QWidget *parent)
: QMainWindow(parent)
{
setWindowTitle("Display Contacts");
 
/* To show items in list view */
listWidget = new QListWidget();
listWidget->setObjectName(QString::fromUtf8("listWidget"));
 
QSize screenSize(size());
resize(screenSize);
QRect rect(0,0,screenSize.width(), screenSize.height());
listWidget->setGeometry(rect);
 
/* To make UI scrollable */
scrollArea = new QScrollArea();
 
/* scrollArea takes ownership of the listWidget, so no need to delete it */
scrollArea->setWidget(listWidget);
scrollArea->setAlignment(Qt::AlignLeft);
scrollArea->setWidgetResizable(true);
 
/* QMainWindow takes ownership of the scrollArea, so no need to delete it */
setCentralWidget(scrollArea);
 
fetchContcatsFromContactBook();
}
 
DisplayContacts::~DisplayContacts()
{
 
}
 
void DisplayContacts::fetchContcatsFromContactBook()
{
/* read contact from "symbian" contact manager */
QContactManager *contactManager = new QContactManager("symbian");
 
/* You can also read contact from selected contact manager by selecting
* appropriate contact manager from available contact managers.
 
*QStringList availableManagers = QContactManager::availableManagers();
*iterate througn available manager and select appropriate one.
*contactManager = new QContactManager(availableManagers.at(2));
*/

 
/* get list of all contacts */
QList<QContactLocalId> contactIds = contactManager->contacts();
QContact currContact;
 
/* appens it to list widget to display on screen*/
foreach (const QContactLocalId& id, contactIds)
{
currContact = contactManager->contact(id);
QString nameAndNumber(currContact.displayLabel() + ": " + currContact.detail(QContactPhoneNumber::DefinitionName).value(QContactPhoneNumber::FieldNumber));
listWidget->addItem(nameAndNumber);
}
}

Postconditions

The code snippet is expected to read and display contacts from symbian contact manager.

QtDisplayContacts.jpg

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