dynamically adding images using for loop -objective c

Question

I am using below code to add number of images in a single cell content view.

    cell.imageView1.image = [UIImage imageNamed:@"testImg1"];
            cell.imageView2.image = [UIImage imageNamed:@"testImg2"];
            cell.imageView3.image = [UIImage imageNamed:@"testImg3"];
            cell.imageView4.image = [UIImage imageNamed:@"testImg4"];
            cell.imageView5.image = [UIImage imageNamed:@"testImg5"];  
.............................  
............................  
cell.imageView20.image = [UIImage imageNamed:@"testImg20"];

How to use for loop with stringWithFormat to make my code look conscise something like:

for(imageCounter = 1; imageCounter <21, imageCounter++)  
{  
cell.imageView(imageCounter).image = [UIImage imageNamed:@"testImg(imageCounter)"];  
}

Any Suggestion?

yes all 20 imageview(very small) are in same cell.I have subclassed UITableViewCell and made custom cell in my viewcontroller. — maddy
– maddy, Commented May 4, 2012 at 10:39
I put answer plz check and let me know if any clarification you need — sandy
– sandy, Commented May 4, 2012 at 10:40

Kai Huppmann · Accepted Answer · 2012-05-04 10:40:54Z

2

To reach references of the different image views inside the loop you have to either out them in an array or tag them than you can either go:

  NSArray *cellImageViews;
  for(int imageCounter = 1; imageCounter < 21; imageCounter++)
  {
    [[cellImageViews objectAtIndex:imageCounter-1] setImage:[UIImage imageNamed:[NSString stringWithFormat:@"testImg%d", imageCounter]]];
  }

or

  for(int imageCounter = 1; imageCounter <21; imageCounter++)
  {
    [((UIImageView *)[cell viewWithTag:imageCounter]) setImage:[UIImage imageNamed:[NSString stringWithFormat:@"testImg%d", imageCounter]]];
  }

edited May 4, 2012 at 10:40

answered May 4, 2012 at 10:34

Kai Huppmann

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1 Comment

maddy Over a year ago

hey both the way are working but second solution is just gawjus

Nikhil Bansal · Accepted Answer · 2012-05-04 10:26:36Z

1

You are using wrong logic.It cannot be use like this.Instead of this

for(imageCounter = 1; imageCounter <21, imageCounter++)
{
 cell.imageView(imageCounter).image = [UIImage imageNamed:@"testImg%d,(imageCounter)"];
}

You should use this :-

yourImageView = [[UIImageView alloc] initWithFrame:CGRectMake(x, y, width, height)];

for(imageCounter = 1; imageCounter <21, imageCounter++)
{
 [yourImageView setImage:[UIImage imageNamed:@"testImg%d",imageCounter]];
 cell.imageView = yourImageView;
}

Try this.Hope it gonna help you thanks :)

answered May 4, 2012 at 10:26

Nikhil Bansal

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Comments

sandy · Accepted Answer · 2012-05-04 10:39:19Z

1

Hi you should first put all images in an array in cellForRowAtIndexPath method

NSMutableArray *imageArr=[[NSMutableArray alloc]initWithObject:cell.imageView1,cell.imageView2.....];

Then do the following:

for(imageCounter = 1; imageCounter <21, imageCounter++) {



[imageArr objectAtindex:imageCounter].image = [UIImage imageNamed:[NSString stringwithformat:@"testImg%d", imageCounter]];
}

let me know if any clarification you need

answered May 4, 2012 at 10:39

sandy

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1 Comment

maddy Over a year ago

Appreciating your help.i am not able to access .image property here :[imageArr objectAtindex:imageCounter].image.However with set image as in above solution its working yee :)

iBhavik · Accepted Answer · 2012-09-12 10:15:23Z

1

UIImageView *img[20];//ur array of images

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{

for (int i=0; i<20; i++) {

        //set frame  every time as ur requirement

        img[i].image = [UIImage imageNamed:[NSString stringWithFormat:@"testImg%d",i+1]];
        [cell.contentView addSubview:img[i]];
    }
}

I think this code work perfectly For More Examples for better Description.

edited Sep 12, 2012 at 10:15

answered May 4, 2012 at 10:23

iBhavik

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