CODEWITHSUNDEEP
iosmemory-managementproperties
KevinM
KevinM

Reputation: 1807

Proper memory management for handling a NSMutableArray retained property

I'm wondering if I am managing the memory of an Array correctly. Below I use this array with a tableView, so I want to keep it around for the life of the ViewController. Since I create it as a property I'm a little confused on the retain count and how to handle it since I'm alloc'ing it in the code. Below is how I currently have it coded.

in .h

@property (nonatomic, retain) NSMutableArray *mutableArray;

in .m

self.mutableArray = [NSMutableArray alloc] init];

//fill with object I'm going to be using throughout the life of the viewController

- (void) dealloc {
   [mutableArray release];
   [super dealloc];
}

Thank you!

Upvotes: 0

Views: 155

Answers (2)

sathish_at_madison
sathish_at_madison

Reputation: 833

iOS will do memory management by itself. Here is Apple Arc Documentation. There is also an excellent condensed information about memory management from Mikeash Friday Q&A blog

Upvotes: 0

X Slash
X Slash

Reputation: 4131

You will leak your array if you're doing it that way. because your property is set to retain, self.mutableArray = [[NSMutableArray alloc] init]; is the same as mutableArray = [[[NSMutableArray alloc] init] retain];.

So change it to

self.mutableArray = [NSMutableArray array];

Upvotes: 2

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