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Editorial Team
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Asked: 2026-06-03T18:31:51+00:00

I have done navigation one viewcontroller to another, But when I done navigation multiple

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I have done navigation one viewcontroller to another, But when I done navigation multiple times my application shows memory leak, I run application with NSZombie detection ,that shows “Insufficient task_for_pid privileges (LeakAgent)”. It is ARC enabled(xcode 4.2, iOS5) Please help…….

My code is here:

self.locationMapDetail = [[LocationMapDetail alloc] init];  //14.3% Leak
self.locationMapDetail.objItem = [self.parsedItems objectAtIndex:selectedIndex]; //5.7% Leak       
[self.navigationController pushViewController:locationMapDetail animated:YES]; //80.3% Leak
self.locationMapDetail = nil;
self.locationMapDetail.objItem = nil;
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1 Answer

  1. Editorial Team

    You must release the objects before making it nil.Something like

    [self.locationMapDetail release];
self.locationMapDetail = nil;

    You should do it for all the objects that you allocate , if you are not using ARC.

    In case of strong pointers even if you release the object you might not release it efficiently or it may be only virtually released as a strong pointer can be released only if all the references of the strong pointer has been released.It happens because sometimes the target may have strong pointer reference back to the declared variable.

    Also Please mention the method you are using to create your variables..(viewDidLoad or viewWillAppear).It is advisable to create it in viewDidLoad.

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