How to Generate Random Numbers

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Created: kiran10182 (04 May 2007)

Last edited: hamishwillee (26 Jul 2012)

Reviewer Approved   

Following Code snippet shows "How to generate random numbers" with Symbian C++ programming.

Header required:

#include <e32math.h>

Source:

const TUint KRandomNumberSize = 6;
 
TBuf<KRandomNumberSize > CYrAppUi::GenerateRandom()
{
	TBuf16<KRandomNumberSize> random(_L(""));
	//Generate the random number of 6 Digits
	TInt i;
	for (i=0; i<KRandomNumberSize ; i++)
	{
		TInt num = Math::Random() % 10;
		TBuf<1> nTmp;
		nTmp.Num(num);
		random.Append(nTmp);
	}
	return random;
}

Use it as below:

TBuf<KRandomNumberSize> random(GenerateRandom());

Thus random descriptor will have 6 digits random number. User can change the value of KRandomNumberSize according to his/her needs.