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Generating random-value integers in Qt

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{{KBCS}}
 
{{CodeSnippet
 
{{CodeSnippet
|id=  
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|id=CS001350
|platform=S60 3rd Edition, FP1, FP2, S60 5th Edition
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|platform=S60 3rd Edition, FP1, FP2<br>S60 5th Edition
|devices=5800 XpressMusic
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|devices=Nokia 5800 XpressMusic
 
|category=Qt for S60
 
|category=Qt for S60
 
|subcategory=Base/System
 
|subcategory=Base/System
|creationdate=April 8, 2009
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|creationdate=April 29, 2009
 
|keywords=qrand
 
|keywords=qrand
 
}}
 
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==Overview==
 
==Overview==
  
This code snippets shows how random integer value in Qt for S60.
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This code snippet shows how to generate a random integer in Qt for S60.
  
 
'''Note''': In order to use this code, you need to have Qt for S60 installed on your platform.
 
'''Note''': In order to use this code, you need to have Qt for S60 installed on your platform.
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==Preconditions==
 
==Preconditions==
  
* Install Qt for S60 Garden release from here: [http://pepper.troll.no/s60prereleases/ Qt for S60 "Garden" pre-release]
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* Install the Qt for S60 Garden release from here: [http://pepper.troll.no/s60prereleases/ Qt for S60 "Garden" pre-release]
* Check this link for installation guide: [http://pepper.troll.no/s60prereleases/doc/install-s60.html How to install the package]
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* Check the installation guide: [http://pepper.troll.no/s60prereleases/doc/install-s60.html How to install the package]
  
  
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==Postconditions==
 
==Postconditions==
Number ramdomed.
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A random number is given.
  
  
 
[[Category:Qt]][[Category:Qt for S60]][[Category:Code Examples]][[Category:UI]]
 
[[Category:Qt]][[Category:Qt for S60]][[Category:Code Examples]][[Category:UI]]

Revision as of 13:57, 29 April 2009

Template:KBCS

Article Metadata
Tested with
Devices(s): Nokia 5800 XpressMusic
Compatibility
Platform(s): S60 3rd Edition, FP1, FP2
S60 5th Edition
Symbian
Article
Keywords: qrand
Created: (29 Apr 2009)
Last edited: Forum Nokia KB (29 Apr 2009)

Contents

Overview

This code snippet shows how to generate a random integer in Qt for S60.

Note: In order to use this code, you need to have Qt for S60 installed on your platform.


Preconditions


Source

#include <QGlobal.h>
 
int QMyClass::randInt(int low, int high)
{
// Random number between low and high
return qrand() % ((high + 1) - low) + low;
}
// Random value between 0-100
int randomValue = randInt(0,100);


Postconditions

A random number is given.

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