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Home/ Questions/Q 863339
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Editorial Team
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Editorial Team
Asked: May 15, 20262026-05-15T09:17:33+00:00 2026-05-15T09:17:33+00:00

Any idea why this code gives me a memory leak? As you can see,

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Any idea why this code gives me a memory leak? As you can see, I’m running out of ideas as to what I can do to stop it.

- (void)viewWillAppear:(BOOL)animated {

    [super viewWillAppear:animated];

    NSArray *allSketches = [project.sketches allObjects];
    NSMutableArray *temp = [[NSMutableArray alloc] initWithArray:allSketches];

    if(sketchesArray != nil) [sketchesArray release];

    [self setSketchesArray:temp];

    [allSketches release];
    allSketches = nil;
    [temp release];
    temp = nil;

}

I also release sketchesArray inside viewDidDissapear. I’m not using viewDidLoad and dealloc to init/release these objects as what I am doing requires me to use viewWillAppear and viewDidDissapear.

Thanks

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  1. Editorial Team
    Editorial Team
    2026-05-15T09:17:34+00:00Added an answer on May 15, 2026 at 9:17 am

    Fixed it by using this instead:

    NSArray *allSketches = [project.sketches allObjects];
    NSMutableArray *temp = [[NSMutableArray alloc] initWithArray:allSketches];
    
    [self setSketchesArray:temp];
    
    [temp release];
    

    Though I remember doing that and it didn’t work before… Strange… There appear to still be some memory leaks coming from CoreGraphics though. Is that normal?

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