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2014/10/15 ¤U¤È 10:12:25
iphone Programming Glossary: owningWhen should I release objects in -(void)viewDidUnload rather than in -dealloc? http://stackoverflow.com/questions/1158788/when-should-i-release-objects-in-voidviewdidunload-rather-than-in-dealloc . One of the most important reasons for implementing it is that UIViewController subclasses commonly also contain owning references to various subviews in the view hierarchy. These properties could have been set through IBOutlets when loading..
Retain/release pattern for UIPopoverController, UIActionSheet, and modal view controllers? http://stackoverflow.com/questions/2867709/retain-release-pattern-for-uipopovercontroller-uiactionsheet-and-modal-view-co uipopovercontroller share improve this question UIPopoverViewController has a slight different memory management owning. Present a popover does not retain the memory so you can't transfer the ownership of your popviewcontroller to the presenting..
Repeating NSTimer, weak reference, owning reference or iVar? http://stackoverflow.com/questions/4945028/repeating-nstimer-weak-reference-owning-reference-or-ivar NSTimer weak reference owning reference or iVar I thought I would put this out here as a separate question from my previous retaining repeating nstimer.. we need some way to hold a reference for future use the revised question is 1 Should the NSTimer be held using an owning reference i.e. @property nonatomic retain NSTimer walkTimer self setWalkTimer ti ... ... Cancel method self walkTimer invalidate.. an important flaw in my reasoning I've come to a different conclusion It doesn't matter much whether you hold an owning or a non owning reference to a timer that you need to invalidate. It is completely a matter of taste. The deal breaker is..
Is there a way to test a web site on the iPhone without an iPhone? http://stackoverflow.com/questions/510278/is-there-a-way-to-test-a-web-site-on-the-iphone-without-an-iphone the iPhone but I don't own an iPhone or an iPod touch. Is there a way I can test how the site works on them without owning one What I'm really after is fixing how Stackoverflow's WMD markdown editor works on the iPhone. I hear that the hyperlink..
How to make a exclusive UITableView list for checkmarks? http://stackoverflow.com/questions/5589316/how-to-make-a-exclusive-uitableview-list-for-checkmarks if you want. I say assign for the currentCategory because that's really not the pointer with ownership of the item the owning reference should be in the array which is retain ed . You might also be able to make taskCategories an @property nonatomic..
http://stackoverflow.com/questions/597459/how-mature-is-sdl-for-iphone up voting it I no longer use SDL for iPhone development because it doesn't fit the iPhone model. e.g. SDL insists on owning main the audio subsystem doesn't know about AudioSessions it's hard to pick up on view orientation changes etc. It was nice..
why might layoutSubviews NOT automatically be called on a view when its frame is set? http://stackoverflow.com/questions/7921610/why-might-layoutsubviews-not-automatically-be-called-on-a-view-when-its-frame-is problem... In my case the view has been added as a subview of UIApplication sharedApplication .keyWindow without any owning view controller... I'm going to take a guess that maybe view controllers observe the frame properties of all of their view's..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su of your window When you switch to a new view you want to replace the current viewController with the viewController owning the new view. At any time only the current viewController is alive e.g. alloc'ed . The code can be easily modified to work..
What does setting the UIWindow's rootViewController do? http://stackoverflow.com/questions/8204059/what-does-setting-the-uiwindows-rootviewcontroller-do This code set the view controller's view as the main view but the UIWindow instance had no reference to the controller owning that view. When you use the rootViewController property you don't need to add the view controller's view to the UIWindow..
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