Question

Did a test on instrument and found memory leak for this piece of code for my iphone (IOS 4.1), but does not have memory leak when run on simulator (IOS 4.3) :

- (void)viewDidLoad {
        UIImageView *backgroundView = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"background.png"]];    
    [self.tableView sendSubviewToBack:backgroundView];
    self.tableView.backgroundView = backgroundView;
    [backgroundView release];
    backgroundView = nil;
}

Instrument show [UIColor allocWithZone] responsible for the memory leak.

Is this a bug of IOS 4.1 or mistake from my code? Should I ignore this if this belongs to UIKit memory leaks?

Answer 1

I don’t see a leak in your code. UIKit might be allocating some one time memory for the first time initialization.