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copied!<p>In didload method call two methods to create scroll view and thumbnail button.Keep both thumbnail images and wallpaper images array in the same order.</p> <pre><code>-(void)createScrollView { scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 320, 440)]; scrollView.pagingEnabled = YES; scrollView.showsHorizontalScrollIndicator = NO; scrollView.showsVerticalScrollIndicator = NO; scrollView.scrollsToTop = NO; scrollView.delegate = self; scrollView.contentSize = CGSizeMake(320 * (([imagesArray count]- 1) / 25 + 1), 440); scrollView.backgroundColor=[UIColor blackColor]; [self.view addSubview:scrollView]; } -(void)createButton{ for (int i = 0; i < [imagesArray count]; i++) { thumbNailButton = [UIButton buttonWithType:UIButtonTypeCustom]; thumbNailButton.frame = CGRectMake(6 + 62 * (i % 5) + 320 * (i / 25), 5+65 * ((i / 5) % 5), 56,56); img = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 56, 56)]; [img setImage:[UIImage imageNamed:[imagesArray objectAtIndex:i]]]; thumbNailButton.tag=i; [thumbNailButton addTarget:self action:@selector(imageClicked:) forControlEvents:UIControlEventTouchUpInside]; [thumbNailButton addSubview:img]; [scrollView addSubview:thumbNailButton]; } } -(void)imageClicked:(id)sender{ UIButton* button = (UIButton*)sender; AppDelegate *appDelegate=(AppDelegate *)[[UIApplication sharedApplication]delegate]; [appDelegate setimageClickedValue:button.tag]; LargeWallPaperviewController *largeWallPaperViewController=[[LargeWallPaperviewController alloc]initWithNibName:@"LargeWallPaperviewController" bundle:nil]; [self.navigationController pushViewController:largeWallPaperViewController animated:YES]; [largeWallPaperViewController release]; } </code></pre> <p>In largewallpaperviewcontroller class in didload method</p> <pre><code> [imagesArray addObjectsFromArray:[NSArray arrayWithObjects:@"wallf1.jpg",@"wallf2.jpg",@"wallf3.jpg",@"wallf4.jpg",@"wallf5.jpg",@"wallf6.jpg",@"wallf7.jpg",nil]]; scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 320, 440)]; scrollView.pagingEnabled = YES; scrollView.showsHorizontalScrollIndicator = NO; scrollView.showsVerticalScrollIndicator = NO; scrollView.scrollsToTop = NO; scrollView.delegate = self; scrollView.contentSize = CGSizeMake(320 * ([imagesArray count] ), 440); scrollView.backgroundColor = [UIColor blackColor]; [self.view addSubview:scrollView]; for (int i = 0; i < [imagesArray count]; i++) { wallPaperButton=[UIButton buttonWithType:UIButtonTypeCustom]; wallPaperButton.tag=i; wallPaperButton.frame=CGRectMake((320*i),0, 320, 325); UIImageView *img =[ [UIImageView alloc]initWithFrame:CGRectMake(0,0, 320, 325)]; img.image=[UIImage imageNamed:[imagesArray objectAtIndex:i]]; img.contentMode=UIViewContentModeScaleAspectFit; [wallPaperButton addSubview:img]; [img release]; [wallPaperButton addTarget:self action:@selector(imageSelected:) forControlEvents:UIControlEventTouchUpInside]; [scrollView addSubview:wallPaperButton]; } appDelegate=(AppDelegate *)[[UIApplication sharedApplication]delegate]; int imageValue=[appDelegate getimageClickedValue]; [scrollView scrollRectToVisible:CGRectMake(320*imageValue, 0, 320 , 440) animated:NO]; </code></pre> <p>i have used a button in the largewallpaer view.If you want you remove it and directly add it to image view.This code is working for me ,change it to your requirement.Its easy to understand.</p> <p>All the best.</p>

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