I would like to know in what situation did you use -retainCount so far, and eventually the problems that can happen using it. Thanks.

When I do a retain count on this object it is 2. Why is this? Surely it should be one as I have just initialised it and not assigned it or anything... let testC: TestClass = TestClass() print(CFGe...

In other stack overflow questions, it was emphasized that the capture [weak self] should be used for closures that aren't owned by the class because self could be nil before the closure completes. ...

Consider this ARC code: - (void)main { NSString *s = [[NSString alloc] initWithString:@"s"]; [NSApp beginSheet:sheet modalForWindow:window modalDelegate:self didEndSelector:@selector(sheet...

My question is how the current versions of Foundation (or of the Objective-C runtime library, since this seems to be there) implement retain count for NSObject derived objects? As I could see at NS...

Until five minutes I was sure that my understanding about Objective c reference counting is excellent, but when I started checking objects retainCount I was very surprised to see what I saw. For e...

RetainCount == BAD retainCount is taboo, unreliable, unpredictable, and in general shouldn't be used. I don't use it anywhere in my code, but I have seen it in one class that I use in an interesti...

I've tested it and it looks like it does. So my question is, does it ALWAYS increment the retain count. So everytime I do something like this: UIView *theView = [[[UIView alloc] initWithFrame:(CG...

I'm still trying to understand this piece of code that I found in a project I'm working on where the guy that created it left the company before I could ask. This is the code: -(void)releaseMySel...

Please explain me the below code of lines, I am just confused.., Nsstring *a; Nsstring *b; a = [b retain]; what is the retain count of a & b. a = [b copy]; what is the retain count of a ...

I would like to know how many times an object has been autoreleased. I've used objective c long enough that it's generally straight forward to know whether an object has been autoreleased or not, h...

Does anybody know how can I check the retain count of an object while in debug mode? I have tried to add an expression [objInstance retainCount] but it did not work. I have also tried the print obj...

I am doing this : UIImageView *backgroundImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"mainback.jpg"]]; [self.view addSubview:backgroundImage]; NSLog(@" retain count1 : %d " , ...

I'm confused by an occasional crash that I'm seeing, which, according to the Zombies instrument, is caused by the over-release of some dictionary values. When I look at the object history for one o...

Or, Why I Didn't Use retainCount On My Summer Vacation This post is intended to solicit detailed write-ups about the whys and wherefores of that infamous method, retainCount, in order to consolida...

Just when I thought I've understood this topic completely, I'm back to basics. I have a method that instantiates an autoreleased object, using (for example) stringWithFormat: return [NSString str...

I am making an iPhone game. I want to release all objects that have been allocated or retained. In the dealloc function I am releasing all such objects, but then I realized that sometimes I end up ...

The method retainCount is supposed to return an unsigned integer. Why then, does [@"Hi" retainCount] return -1?

I have a UITableView as my first screen with a UINavigation controller. In my first screen I NSLog(@"Home Screen retain Count=%d",[self retainCount]); and it logs 6 in when its viewDidLoad is call...