In Cocoa (and other frameworks that derive from NeXTSTEP), dealloc is the instance method responsible for tearing down an object. It should release the object's references to its ivars and then call up to the superclass's implementation.
Questions tagged [dealloc]
496 questions
-1
votes
2 answers
Can an Objective-C object's retain count drop below zero?
I have learned manual memory management in Objective-C and every article said: "When the retain count of an object drops to 0, the dealloc method is called and the object is destroyed". And nothing more.
But there is no answer for several questions:…
WantToKnow
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votes
2 answers
Class is deallocating while KVOs are still registered
I've been trying to pinpoint the problem but have not been able to do so because it's very hard to reproduce. Here's the error:
Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'An instance 0x1455c7fa0 of class…
Vee
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votes
1 answer
How to send 'dealloc' message to nil Object in Objective-c?
I know that nil object does not received message.
but dealloc is not.
exam code is here.
Book *theLordOfTheRing = [[Book alloc] init];
...
NSLog(@"title: %@", theLordOfTheRing.titleName);
theLordOfTheRing.titleName = nil;
[theLordOfTheRing…
Kernelzero
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votes
2 answers
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 to invalidate + nil;
still the counter = 2;
Is…
MobileDev
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votes
1 answer
Dealloc method does not called due to blocks
I am written below code in a button click function.
- (IBAction)btnPlusClicked:(id)sender forEvent:(UIEvent *)event {
//show popover controller
TSActionSheet* actionSheet = [[TSActionSheet alloc] initWithTitle:nil];
[actionSheet…
Coder_A_D
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votes
1 answer
Obj-c: Allocating a subclassed object from another object and releasing
While profiling my app with Instruments, I found a leak with an array that I allocated. To my knowledge I was doing this correctly, but it looks like something is wrong.
Let's say I have three classes, class M, A and B.
Subclass B has a unique…
Chewie The Chorkie
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votes
1 answer
UIViewController dealloc after init
Why myView is dealloc after init?
MainViewController:
[MOBubbleView hudWithBody:@"123123" bubblePoint:CGPointMake(220, headerMenu.center.y) hidesAfter:2 show:YES];
MOBubbleView.h:
@interface MOBubbleView : UIViewController
@property (nonatomic,…
dev.nikolaz
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votes
2 answers
NSMutableArray released twice by release
In didFinishLaunchingWithOptions, the first code is:
NSMutableArray *k = [[NSMutableArray alloc] initWithCapacity:10];
[k release];
(I reduced it to this case after much debugging) and I'm getting
*** -[__NSArrayM class]: message sent to…
Joris Weimar
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votes
3 answers
Objective- C prevent NSString from being released/ dealloc
Total newbie Iphone/ Obj. C question:
I have a class called Location, in the Location.h i declare:
@interface Location : NSObject
{
NSString *lat;
NSString *lon;
}
In my Location.m i have to methods:…
fweigl
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votes
1 answer
dealloc of view controller is not called?
i dont know why the dealloc of the viewcontroller is not calling
please see the code snippet.
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
[tableView deselectRowAtIndexPath:indexPath…
Prabhat Kasera
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votes
1 answer
Rust: memory deallocation for String
Do I need to deallocate memory manually in this case:
let mut s = String::new();
...somecode here...
s = String::new();
and is it the best way to erase content of the string?
rustafarian
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votes
2 answers
Can i use the dealloc() method in ARC in objective c?
I am a newbie in objective-c
I have a lot of memory issues, and a lot of alloc variables
-what to do?
Anurag Sharma
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votes
1 answer
Stop objects from being deallocated even when it has strong pointers to it
I have an array of employee objects. Whenever I print them using NSLog(), the array gets logged but it starts to deallocate the employee objects though I have not assigned the objects to nil.
Here is my Employee.h :
@interface :…
methi1999
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votes
3 answers
iOS dealloc crash
find a strange code here
I have a viewcontroller, it has an array with books, and click the cell, then push to a detailViewController, detailVC has a variable infoDict,
@property (nonatomic,retain) NSMutableDictionary *…
nickyu
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votes
2 answers
can't do super dealloc and need explanation about dealloc and release what is the differences between them?
That code is right?
It doesn't dealloc and release it's saying that "super dealloc ARC forbids"
when I need to do dealloc and when I need to do release?
#import "ImageViewController.h"
@interface ImageViewController ()
@end
@implementation…
Benbo
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