Problems with memory management, autorelease, permanent heap is sometimes 250+ kb on iOS

Question

I\'m really pulling my hair out on this one, it seems that I\'m having severe issues with memory management on an iOS app.

Here\'s the case: first I load table. When the

Answer 1

Are you using imageNamed to load your images - this method will keep all images cached in memory. Try initWithContentsOfFile instead.

Watch out though; initWithContentsOfFile: won't cache at all so if you use this method a lot for the same image then you should be using imageNamed:!

Answer 2

I think you might want to try to optimize your design first and read guides for efficent memory management. A better understaning of the components and the runtime helps more than tracking memory allocations and will make it easier to find the leaks.

• First you should always use release. Only use autorelease when necessary.
• Make sure you follow the guidelines for UITableView implementations and efficient management of UITableViewCells (lazy loading, cell reusing etc.).
• Check if you have retain-cycles (retained view controllers won't be deallocated).
• Track the deallocation of your view controllers and objects
• Don't keep stuff in memory you don't need anymore.
• Don't load stuff you don't need right now.