2014/10/15 下午 10:10:29

iphone Programming Glossary: instantiation

http://stackoverflow.com/questions/1180550/weird-switch-error-in-obj-c

autorelease animated YES break default self openEmailViewInViewController self And at the UIImagePickerController instantiation in Case 1 I am getting an error error expected expression before 'UIImagePickerController' and I have no idea what I am..

viewDidLoad is in fact called every time there is a segue transition

http://stackoverflow.com/questions/11969452/viewdidload-is-in-fact-called-every-time-there-is-a-segue-transition

describing a situation where the view controller is not being deallocated. If you use a segue then you are causing the instantiation of a new destination controller and being a new object it needs to load a view. In xib based apps I have sometimes cached..

Cannot create an NSPersistentStoreCoordinator with a nil model after deleting app from device

http://stackoverflow.com/questions/12617585/cannot-create-an-nspersistentstorecoordinator-with-a-nil-model-after-deleting-ap

initWithContentsOfURL is returning nil value. I've done the following things with no success Change managedObjectModel instantiation with this __managedObjectModel NSManagedObjectModel mergedModelFromBundles nil Cleaned Build Folder and Cleaned project..

UIScrollView. Any thoughts on implementing “infinite” scroll/zoom?

http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom

that behavior. Handling the fixed contentSize have some fixed size view handled by your scroll view and at launch or instantiation set the content offset so that you're seeing the middle of the handled view. Then just watch the content offset using KVO..

Initial iPhone virtual keyboard display is slow for a UITextField. Is this hack around required?

http://stackoverflow.com/questions/1628915/initial-iphone-virtual-keyboard-display-is-slow-for-a-uitextfield-is-this-hack

The delay is only the first time the keyboard pops up after app startup. It looks like the initial UIKeyboard instantiation takes some time quite a bit... but is kept around after that. I found very little information about this which surprised..

@property and retain, assign, copy, nonatomic in Objective-C

http://stackoverflow.com/questions/2255861/property-and-retain-assign-copy-nonatomic-in-objective-c

for you. If you use readonly no setter will be created. Use it for a value you don't want to ever change after the instantiation of the object. retain vs. copy vs. assign assign is the default. In the setter that is created by @synthesize the value..

How to use a common target object to handle actions/outlets of multiple views?

http://stackoverflow.com/questions/6950674/how-to-use-a-common-target-object-to-handle-actions-outlets-of-multiple-views

externalObjects NSDictionary dictionaryWithObjectsAndKeys targetObject @ TargetObject nil Load the NIBs ready for instantiation. UINib portraitViewNib UINib nibWithNibName @ Weekview_iPad_Portrait bundle nil UINib landscapeViewNib UINib nibWithNibName.. should be using UINib. It is much faster at reading the NIB files. Also it separates the NIB loading from the object instantiation. Which means you can load the NIB in your init awakeFromNib or viewDidLoad and not instantiate the contents of the NIB...

Correct Singleton Pattern Objective C (iOS)?

http://stackoverflow.com/questions/7598820/correct-singleton-pattern-objective-c-ios