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POUIView not autoreleased. Where is my issue?
 

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    <p>I create <code>UIViews</code> based on xib files programmaticaly and add them to a <code>scrollView</code>. This works so far. If the amount changes I recreate the grid of <code>UIViews</code> (in my case so called theme thumbs). I remove the old ones before I recreate the new ones. The problem is the memory is never released and for every new creation memory usage piles up. Even if I remove one single thumb the memory isn´t released. </p> <p>Instruments doesn´t show leaks. <code>Dealloc</code> in my <code>ViewController</code> is never called.</p> <p>I use <code>ARC</code> and I know that I have to avoid retained references. But clearly I have used them and don´t understand where. It would be great if someone could give me a hint where I did it as I have read a lot of posts here but still don´t understand it. <code>NSZombiesEnabled</code> is off. </p> <p>My code:</p> <pre><code>-(void)createGrid { for (UIView *subview in self.scrollView.subviews) { if ([subview tag] &lt; 10000 &amp;&amp; ![subview isKindOfClass:[UIImageView class]]) { [subview removeFromSuperview]; } } int col = 0; int row = 0; [self setupFetchedResultsController]; for (int i = 0; i&lt;[[self.fetchedResultsController fetchedObjects] count]; i++) { col = i % THEME_COLUMNS; row = i / THEME_COLUMNS; ThemeThumbVC *themeThumb = [[ThemeThumbVC alloc] init]; [self.scrollView addSubview:themeThumb.view]; // configurate thumb themeThumb.managedObjectContext = self.managedObjectContext; themeThumb.fetchedResultsController = self.fetchedResultsController; themeThumb.theme = [[self.fetchedResultsController fetchedObjects] objectAtIndex:i]; [themeThumb.themeThumbImage setImage:[UIImage imageWithContentsOfFile:[[[self.fetchedResultsController fetchedObjects] objectAtIndex:i] iconImageURL]]]; [themeThumb setTag:i]; [themeThumb.view setTag:i]; [themeThumb.view setFrame:CGRectMake(col*kThemeGritXOffset+(col*1), row*kThemeGritYOffset, kThemeGritXOffset+1, kThemeGritYOffset)]; [self addChildViewController:(UIViewController*) themeThumb]; } [self.scrollView setContentSize:CGSizeMake(320, row*kThemeGritYOffset+kThemeGritYOffset)]; } </code></pre>
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