Display images from array to UIImageView

Question

I am trying to display images from the array to the uiimageview, but it only shows the last image. Any advise?

for (int i = 0; i < [fileArr count]; i++) 
{
               NSArray *fileNameArr = [[fileArr objectAtIndex:i] componentsSeparatedByString:@"."];
check=line;
                NSString *msg = [textView.text stringByAppendingString:[NSString stringWithFormat:@"Opening image: %@\n",[fileArr objectAtIndex:i]]];

                [textView performSelectorOnMainThread:@selector(setText:) withObject:msg waitUntilDone:NO];

                line=line+1;

                [image removeFromSuperview];
                [image release];
                image = nil;
                //specify the image path, open the image file with UIImage library
                NSString *imagePath = [NSString stringWithFormat:@"%@/%@",jfn1,[fileArr objectAtIndex:i]];
                NSString *imageFile = [NSHomeDirectory() stringByAppendingPathComponent:imagePath];
                NSString *pathExtension = [imageFile pathExtension];
                NSLog(@"----------------------------");
                NSLog(@"ImageFile: %@\n",imageFile);
                NSLog(@"File Extention: %@\n", pathExtension);
                NSLog(@"Interger value: %i\n",i);

                UIImage *myImage = [UIImage imageWithContentsOfFile:imageFile];
                NSLog(@"Image Width: %f", myImage.size.width);
                NSLog(@"Image height: %f", myImage.size.height);

                image = [[UIImageView alloc] initWithImage:myImage];
                image.contentMode = UIViewContentModeScaleAspectFit;
                [scrollView addSubview:image];

How and what do you fill in fileArr? If possible, post the code. — alloc_iNit
– alloc_iNit, Commented Aug 18, 2011 at 7:53
you are removing your imageview in every iteration. Why blame 'it' for showing only the last one??? — Bushra Shahid
– Bushra Shahid, Commented Aug 18, 2011 at 8:01
- (NSArray *) listAndPopulateFileArray:(NSString *)jfn1 { NSFileManager *fileManager = [NSFileManager defaultManager]; NSString *jFolder = [NSHomeDirectory() stringByAppendingPathComponent:jFolder]; NSArray *imageList = [fileManager contentsOfDirectoryAtPath:jobFolder error:nil]; return imageList; } — Carissa
– Carissa, Commented Aug 18, 2011 at 8:07

xuzhe · Accepted Answer · 2011-08-18 08:00:51Z

2

Because you are always

[image removeFromSuperview];

before you

[scrollView addSubview:image];

in the for loop.

How could it not be only showing the last imageView?

answered Aug 18, 2011 at 8:00

xuzhe

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3 Comments

EmptyStack Over a year ago

No need to call removeFromSuperview before addSubView, because when calling addSubView, the the subview is automatically removed from its previous superview before added as subview of another view.

xuzhe Over a year ago

If you have 10 images to show, you need to create 10 imageViews for them. You also need to set different positions for these imageViews by you self, otherwise they will be covered by each other.

Carissa Over a year ago

Issit possible after I create the imageviews, I remove the imageview programmatically, to ensure that they will not overlap?

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