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Random No not genrated...

jitendrajitendra Posts: 59New Users @
I want to get the random images from array. images get randomly but some same repetitive images get

i tried this one
for (m = 0; m <=29; m++)
{
rnd = arc4random_uniform(arr.count-m)+m;

NSString *imageName=[FrontsCards objectAtIndex:rnd];



fullImageName=[NSString stringWithFormat:@"%@",imageName];

int padding=0;

CGRect imageViewFrame=CGRectMake(scrollView.frame.size.width*m+padding, scrollView.frame.origin.y, scrollView.frame.size.width-2*padding, scrollView.frame.size.height);

ImgView=[[UIImageView alloc]initWithFrame:imageViewFrame];


[ImgView setImage:[UIImage imageNamed:fullImageName]];

[scrollView addSubview:ImgView];

[ImgView setAccessibilityIdentifier:[arr objectAtIndex:rnd]];

// Tap Gesture //

UITapGestureRecognizer *doubleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(doubleTapImgView:)];
doubleTap.numberOfTapsRequired = 2;
doubleTap.delegate = self;

[self.ImgView addGestureRecognizer:doubleTap];

[self.ImgView setImage:[UIImage imageNamed:fullImageName]];

NSLog(@"full image name %@",fullImageName);

NSLog(@"Image Name = %@", fullImageName);

[self.ImgView setTag:rnd];

self.ImgView.userInteractionEnabled=YES;

NSString *imageName1=[FrontsCards objectAtIndex:rnd];

[tweentyarray addObject:imageName1];


}

CGSize scrollViewSize=CGSizeMake(scrollView.frame.size.width*30, scrollView.frame.size.height);

[scrollView setContentSize:scrollViewSize];
[self.view addSubview:scrollView];

scrollView.delegate=self;

help me out this thanks in advance.


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Replies

  • Duncan CDuncan C Posts: 9,113Tutorial Authors, Registered Users @ @ @ @ @ @ @
    random does not mean random, non-repeating.

    If you want random non-repeating, then make a mutable copy of your array. Each time you fetch a random object from the mutable array, remove it from the array. Then when the array is empty, re-fill it with the contents of the original array.
    Regards,
    Duncan C
    WareTo

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