All Questions
Tagged with automatic-ref-counting dealloc
53 questions
3
votes
2
answers
4k
views
When is `deinit` exactly called? (in Swift)
When is deinit exactly called?
Is it like C++ guaranteed to be called when last reference gets out of scope (by return, throw or exit)?
Or is Swift using Garbage-Collector?
- 8,669
2
votes
1
answer
912
views
Is it possible for dealloc to be called on an object whose retain count is NOT zero?
I'll keep this short and obvious: I have an object whose dealloc method is being called. I also have an NSTimer being called every 3 seconds to log to console the current retain count of said object.
...
- 893
0
votes
1
answer
39
views
WatchKit without ARC causes crash when dealloc
The watch app I am developing is not using ARC. And so I releases all the properties of objects in each interface in dealloc as below.
-(void)dealloc {
[obj1 release];
[obj2 release];
...
[...
- 7,588
0
votes
3
answers
318
views
Xcode memory profiler ARC disable
I developed OSX project in objective-c. I disabled ARC and I dealloc(release) memory manually. Is in xcode any tool, which can show me that I forget release any objects?
- 313
5
votes
3
answers
150
views
Reduce the amount of time to release 1 million + objects while popping out VC
The current iOS app that we have has to download more than a million objects from the server and we keep it in an array for certain purposes. When the user is done with this functionality and the app ...
- 237
23
votes
1
answer
2k
views
Why setting object that is undergoing deallocation to weak property results in crash
In Clang's Objective-C Automatic Reference Counting we see the following
For __weak objects, the lvalue is updated to point to the new pointee, unless the new pointee is an object currently ...
- 500
0
votes
4
answers
1k
views
Are Unowned references set to 'nil' when deinitialized?
I'm confused on this topic in swift where it is said that unowned references must always have a value and cannot be optional, also meaning they cannot be set to 'nil'....well I just saw a program on ...
- 515
1
vote
2
answers
132
views
How to dealloc CGPoint, CGRect variables?
I'm using Objective-C. I use automatic-ref-counting. I have a lot of CGPoint and CGRect variables in my code. I get memory errors. How can I dealloc after used.
- 77
0
votes
2
answers
55
views
ARC releases my object somewhere in Apple's UI library
I have a local variable UINavigationConroller *nav. Not 10 lines after it's declared, within the same method, it is passed to [self presentViewController:nav animated:YES completion:nil] (self is a ...
- 32.2k
0
votes
2
answers
401
views
ARC + Dealloc is not called
I am little confuse because my dealloc is not called in ARC. I have using storyboard in my application.
Case 1: Mydealloc called when i use all IBOutlet from storyboard
Case 2: My dealloc is not ...
- 2,914
0
votes
2
answers
189
views
iOS: View Controller Instance does not deallocated if I pass it to dispatch_async block
UIViewController* vc = [[NSClassFromString(record.anObject) alloc] initWithNibName:record.anObject bundle:nil];
1) [myNavigationController navigateToViewController:vc animated:NO];
2) dispatch_async(...
- 641
1
vote
1
answer
368
views
Correctly Releasing SystemSoundID
I'm using AudioToolbox and SystemSoundID to load and play a sound.
Here's my code in my viewDidLoad method:
NSString *swipeFilePath = [[NSBundle mainBundle] pathForResource:@"swipe" ofType:@"caf"];
...
- 4,755
0
votes
1
answer
211
views
Does dealloc still get called?
For my iOS 7 app, just want to confirm:
Does dealloc still get called?
Does it have something to do with whether ARC is enabled or not?
- 4,652
-1
votes
2
answers
357
views
iOS non-zero reference count in ARC and cannot dealloc
Hi All
I am trying to dealloc a ViewController in ARC mode.
However, the RefCount is always non-zero.
I have tried to set all object to nil and all subviews to removeFromSuperview + nil;
and timer ...
- 176
3
votes
1
answer
321
views
Destroy object in background thread Objective C
I have a absolutely huge array (~10 million objects which themselves hold substantial data). Destroying this object causes a quite long lag on the main thread of roughly 5 seconds. While this is just ...
- 6,325