Question

I have an xib file includes a UIView and a UIScrollView.

Inside my UIView, I have another UIView (the while screen in the middle), and I want to add my scrollView to it programmatically.

The reason is one time I want to add a scrollView there and another time I want to add a mapView.

What I did is like this:

CGRect frame = self.view.bounds;
    self.scrollView = [[UIScrollView alloc] initWithFrame: frame];
    CGSize pagesScrollViewSize = self.view.frame.size;
    self.scrollView.contentSize = CGSizeMake(pagesScrollViewSize.width * self.pageImages.count, pagesScrollViewSize.height);

I also need to set the delegate for the UIScrollView.

I could not make it work. this is my error:

-[UIScrollView setPageId:]: unrecognized selector sent to instance 0x7dd84e0
2012-10-06 00:56:17.373 testN[3525:c07] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIScrollView setPageId:]: unrecognized selector sent to instance 0x7dd84e0'

I also don’t know where should I connect the scrollView delegate. can you help me?

Answer 1

I can do that successfully by adding a UIScrollView in the interface builder and then set the delegate and file owner from there.

I just should note that since I want to add the UIView to a ViewController in storyboard this code will not work:

NSArray *views = [[NSBundle mainBundle] loadNibNamed:@"OfferView" owner:self options:nil];
UIView *newPageView = [views lastObject];

I should use:

UIView *newPageView = [views objectAtIndex:0];