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copied!<p>Kieron,</p> <p>Why not have one "slide" view controller and a different image only? Use some sort of data structure to keep information about the buttons, images, and pathways for each slide, and then just keep re-using the same view controller for each slide?</p> <p>The view controller can then dynamically load each image as it transitions between the currently visible view and the next instantiation of itself... It should be possible using only 1 view controller.</p> <p>If you're comfortable with using Interface Builder, keep using the XIB files to lay everything out. However, instead of setting each "File's Owner" to a different view controller, set them all to the same one. Then, inside your <code>IBAction</code> methods (when the user pressed a button), use some logic to say "I am on this view right now, and the user pressed this button, so which one should I go to next?"</p> <p>Then, call a method like <code>loadNewSlide:</code> that might look like this:</p> <pre><code>- (void) loadNewSlide:(NSInteger)slideNumber { // Make a string with the new XIB name NSString* xibName = [NSString stringWithFormat:@"slide-%d",slideNumber]; // Create the next slide view controller (it doesn't matter if you create a slide view // controller from within another slide view controller, remember, they are all just // objects) SlideViewController *newSlideViewController = [[SlideViewController alloc] initWithNibName:xibName bundle:nil]; // Change the view UIWindow *theWindow = [self.view superview]; [self.view removeFromSuperview]; [theWindow addSubview:newSlideViewController.view]; // Release, the view stack now should be retaining the view controller instead [newSlideViewController release]; } </code></pre> <p>This will work MUCH better than running "modally" with 75 view controllers (as you had previously suggested) because this will only keep 1 slide in memory at a time - whatever you are currently looking at - and then will load the next slide just in time to move to it.</p>

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