How to write data to a file in Qt

Article Metadata

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Tested with

Devices(s): Emulator

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Compatibility

Platform(s): S60 3rd Edition FP1, S60 3rd Edition FP2, S60 5th Edition

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Article

Keywords: QFile, QTextStream,Qstring, Text Label

Created: (07 Jan 2009)

Last edited: vkmunjpara (17 Sep 2009)

Overview

This code snippet demonstrates File write operation in Qt for S60.

Preconditions

• Install latest Qt for S60 see Qt for S60 - Installation packages
• Check this link for installation guide: How to install the package.
• Go through this article: Getting started with Qt for S60

Source File

#include <QFile>
#include <QApplication>
#include <QLabel>
#include <QString>
#include <QTextStream>
int main(int argc, char *argv[])
{
	QApplication app(argc, argv);
	QFile file("c://out.txt");
	file.open(QIODevice::WriteOnly | QIODevice::Text);
	QTextStream out(&file);
	out << "This file is generated by Qt \n";
	file.close();
        return app.exec();
}

• Above code will generate the file out.txt into c: of your emulator. You can find it at this path.

• For 5th edtion SDK

 C:\S60\devices\S60_5th_Edition_SDK_v0.9\epoc32\winscw\c

• For 3rd edition SDK

 C:\Symbian\9.3\S60_3rd_FP2_Beta\epoc32\winscw\c