Question

I have a scroll view. Inside scroll view, I have image view. I want to go next and previous image by button click. In below it works on only three images of array not more than that so how to work for all. I have 70 images in array

        - (IBAction)nextButtonAction {

               int arraycount = [appDelegate.articles count];

               NSLog(@" arraycount : %d", arraycount);

               NSLog(@" [pageControl currentPage] : %d", [pageControl currentPage]);

               for (int nextIndex = [pageControl currentPage]; nextIndex < (arraycount-1); nextIndex++) {

               if ( self.scrollView.contentOffset.x <= self.scrollView.frame.size.width ) {

                CGRect frame;
                frame.origin.x = self.scrollView.contentOffset.x +     self.scrollView.frame.size.width;
                frame.origin.y = 0;
                frame.size = self.scrollView.frame.size;
                [self.scrollView scrollRectToVisible:frame animated:YES];
                pageControlBeingUsed = YES;
                }  
            }

        }


-(IBAction)previousButtonAction{

          if ( self.scrollView.contentOffset.x >= self.scrollView.frame.size.width ) {
          CGRect frame;
          frame.origin.x = self.scrollView.contentOffset.x -     self.scrollView.frame.size.width;
          frame.origin.y = 0;
          frame.size = self.scrollView.frame.size;
          [self.scrollView scrollRectToVisible:frame animated:YES];
          pageControlBeingUsed = YES;
          } 

   }

Answer 1

    - (IBAction)nextButtonAction {

        int arraycount = [appDelegate.articles count];

        if ( self.scrollView.contentOffset.x < (self.scrollView.frame.size.width *arraycount) ) {

            CGRect frame;
            frame.origin.x = self.scrollView.contentOffset.x +     self.scrollView.frame.size.width;
            frame.origin.y = 0;
            frame.size = self.scrollView.frame.size;
            [self.scrollView scrollRectToVisible:frame animated:YES];
            pageControlBeingUsed = YES;

        }

    }