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Editorial Team
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Asked: 2026-06-16T12:29:11+00:00

use ARC in xocde. The app’s material page is like this: The app runs

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use ARC in xocde. The app’s material page is like this:
enter image description here

The app runs well but when I swipe to the next page, the memory increase a lot (mostly 30k per page) as instrument allocation gives the following:
enter image description here

The detail is :
enter image description here

I don’t understand what’s going wrong? My env is : xcode 4.5.2, ARC enabled. Really appreciated someone can help me.

The heapshot is:
enter image description here

Then the heapshot detail :

enter image description here

I’m very sure that I removed all the view objects when swipe to the next page so the app should clean the memory of those view objects in the previous page. Just don’t know why these 304 bytes of objects increase the memory and what is wrong here .

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1 Answer

  1. Editorial Team

    This is seemingly a case of abandoned memory. Abandoned memory is not exactly leaking memory, in that you are not losing track of that memory. Rather it is memory that is not deallocated when it could/should be, so that overall memory usage increases.

    Have a look at this article for a way of dealing with this using heapshot analysis in Instruments.

    Another interesting, step-by-step discussion of the heapshot analysis method is here.

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