Strong references are regular references that are protected from garbage collection, in contrast to weak references.
Strong references are regular references that are protected from garbage collection, in contrast to weak-references.
Questions tagged [strong-references]
86 questions
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1 answer
How to prevent a value from strongly referring to its key?
A much better programmer than me informed me that he holds a map of his WebSocket connections with java-websocket in a WeakHashMap. I've looked into that map for myself and it seems perfect since a connection will close without the thread…
user1382306
0
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3 answers
iOS : dealloc is not getting called if strong delegate set to self
Say, I've a class (say "MyClass") of type UIView where I declared, a property of type (nonatomic, strong) for class delegate, to handle events will fire by the class.
Application is ARC enabled, and it's working just fine, a time I found something…
Hemang
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Which storage (weak or strong) for the elements underneath the "main" View in iOS7
After reading really many books and docs on iOS programming I am still confused - which Storage type (weak or strong) to select, when control dragging from a UI element underneath the "main" View? (and by "main" I think I mean the UIView assigned to…
Alexander Farber
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UIViewController Retaining in ARC
I have a subclass of UIViewController -> MyPopUpViewController
@protocol MyPopUpViewController Delegate;
@interface MyPopUpViewController : UIViewController
{
}
@property (nonatomic, strong) id …
Gizmodo
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Objective C - Two Dictionaries using same values, strong or weak
I'm new to objective c and I've got an interesting situation where I need two different NSDictionary objects that point to the same values. In that situation should I use strong or weak in the property declaration? Or should I do strong in one and…
CamHart
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ARC from strong - to - strong
I would like to know the correct approach here under ARC.
I have strong NSArray(custom class Objects of my own) @property inside a controller and when I am init another controller I have to pass just one NSString from these arrays to another…
Gaurav18ca
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Why is my app crashes using __autoreleasing + __strong?
Here is my code:
void autoreleasingReturn (NSError * __autoreleasing *error)
{
// --- Crashing
*error = [[NSError alloc] init];
// --- Not crashing
// *error = [NSError errorWithDomain:@"hello"
// …
AndrewShmig
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Is it bad to set two Views in a SplitView to hold a reference to each other?
I'm currently writing an RSS program in which my splitViewController's views have to talk to each other. Both of them currently hold a propertied instance of each other which is declared in the App Delegate as mentioned below. I want to know if this…
TheCodingArt
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Setting strong references objects to nil with ARC enabled?
I am developing an iPhone app with ARC option enabled. i am creating IBOutlets in .h files which are connected from file owners icon to .xib elements.for eg.
IBOutlet UIButton *bt;
@property(nonatomic,retain)IBOutlet UIButton *bt;
in .m file, i am…
abhishek behl
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Swift: dynamically creating and assigning delegates
MKMapView's delegate property is defined as so in swift:
@IBOutlet weak open var delegate: MKMapViewDelegate?.
If I had to dynamically create map views for each item in an array whose length/count is unknown beforehand, how I dynamically assign a…
pnizzle
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Memory cycles = strong0 ^ strong1 pointers; (strong1 == weak) ? @"Yes" : @"No"
well I want to find out why there is a memory cycle in this case:
@property (nonatomic, strong) NSArray *myBlocks;
// and the method
[self.myBlocks addObject: ^(){
[self doSomething];
}];
well the block has a strong pointer to self because…
user3928968
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