2014/10/15 下午 10:14:39

iphone Programming Glossary: superclass

@synthesize vs @dynamic, what are the differences?

http://stackoverflow.com/questions/1160498/synthesize-vs-dynamic-what-are-the-differences

the compiler that the getter and setter methods are implemented not by the class itself but somewhere else like the superclass or will be provided at runtime . Uses for @dynamic are e.g. with subclasses of NSManagedObject CoreData or when you want.. are e.g. with subclasses of NSManagedObject CoreData or when you want to create an outlet for a property defined by a superclass that was not defined as an outlet Super class @property nonatomic retain NSButton someButton ... @synthesize someButton..

Fragment Shader - Average Luminosity

http://stackoverflow.com/questions/12168072/fragment-shader-average-luminosity

Observing pinch multi-touch gestures in a UITableView

http://stackoverflow.com/questions/2003201/observing-pinch-multi-touch-gestures-in-a-uitableview

the variable name 'delegate' in any UI Kit subclass is a really bad idea because it can occlude the same name in a superclass and silently break things like autorotation. id EventInterceptWindowDelegate eventInterceptDelegate @property nonatomic..

Make a Custom Class Serializable in Objective-c/iPhone?

http://stackoverflow.com/questions/2182115/make-a-custom-class-serializable-in-objective-c-iphone

like this id initWithCoder NSCoder aDecoder if self super init this needs to be super initWithCoder aDecoder if the superclass implements NSCoding aString aDecoder decodeObjectForKey @ aString retain anotherString aDecoder decodeObjectForKey @ anotherString.. retain return self and encodeWithCoder void encodeWithCoder NSCoder encoder add super encodeWithCoder encoder if the superclass implements NSCoding encoder encodeObject aString forKey @ aString encoder encodeObject anotherString forKey @ anotherString..

Difference between class property mVar and instance variable self.mVar

http://stackoverflow.com/questions/2278389/difference-between-class-property-mvar-and-instance-variable-self-mvar

that name on an instance of that class. And it doesn't matter whether you synthesize the accessors hand wave them to a superclass with @dynamic or define them yourself. That's how the object will respond to the accessor message but the accessor message..

iPhone: [super viewDidUnload] calling order

http://stackoverflow.com/questions/2365440/iphone-super-viewdidunload-calling-order

self.webView nil self.fullText nil iphone objective c share improve this question This depends on what the superclass does in viewDidUnload . If it's just a standard UIViewController either will do because UIViewController viewDidUnload does..

How to avoid superclass methods getting overridden by sub class in objective - c

http://stackoverflow.com/questions/2864273/how-to-avoid-superclass-methods-getting-overridden-by-sub-class-in-objective-c

to avoid superclass methods getting overridden by sub class in objective c Like in java A final class cannot be subclassed. This is done for..

iPhone — is initWithCoder an exception to the usual designated initializer design pattern?

http://stackoverflow.com/questions/2944823/iphone-is-initwithcoder-an-exception-to-the-usual-designated-initializer-desi

According to Apple When an object receives an initWithCoder message the object should first send a message to its superclass if appropriate to initialize inherited instance variables and then it should decode and initialize its own instance variables... initializer and the designated initializer through a message to super invokes the designated initializer of its superclass. emp added In principle the designated initializer is the one init method that all other init methods call. It is not however..

NSDateFormatter's init method is deprecated?

http://stackoverflow.com/questions/3182314/nsdateformatters-init-method-is-deprecated

cocos2d-iOS - Gesture recognisers

http://stackoverflow.com/questions/4985917/cocos2d-ios-gesture-recognisers

gr CCDirector sharedDirector openGLView removeGestureRecognizer gr This particular code is used in a superclass for scene controllers so the target for the selector is hard coded to self but you could easily abstract that to a passed..

when is the dealloc method called?

http://stackoverflow.com/questions/5630660/when-is-the-dealloc-method-called

by the deallocated object. After performing the class specific deallocation the subclass method should incorporate superclass versions of dealloc through a message to super Important Note that when an application terminates objects may not be sent..

Best approach for XML parsing on the iPhone

http://stackoverflow.com/questions/842292/best-approach-for-xml-parsing-on-the-iphone

in one go . The source code is available on github look in the StreamingXMLParser folder . You'll also find a delegate superclass in there for most parsing needs you can subclass AQXMLParserDelegate and implement start Element WithAttributes NSDictionary..

How to handle Objective-C protocols that contain properties?

http://stackoverflow.com/questions/844678/how-to-handle-objective-c-protocols-that-contain-properties

readonly NSString title @optional void someMethod @end I've seen this format used instead of writing a concrete superclass that subclasses extend. The question is if you conform to this protocol do you need to synthesize the properties yourself.. question is if you conform to this protocol do you need to synthesize the properties yourself If you're extending a superclass the answer is obviously no you do not need to. But how does one deal with properties that a protocol requires to conform..

Why do I have to call super -dealloc last, and not first?

http://stackoverflow.com/questions/909856/why-do-i-have-to-call-super-dealloc-last-and-not-first

just a guideline. You can call other instructions after super dealloc . however you can not access variables of the superclass anymore because they are released when you call super dealloc . It is always safe to call the superclass in the last line... of the superclass anymore because they are released when you call super dealloc . It is always safe to call the superclass in the last line. Also KVO and depended triggered keys can produce side effects if they are depended of already released..

How do I detect a rotation on the iPhone without the device autorotating?

http://stackoverflow.com/questions/995723/how-do-i-detect-a-rotation-on-the-iphone-without-the-device-autorotating

duration may prevent the device from rotation overriding all rotate methods of my UIViewController and not calling the superclass but I fear it's not the UIViewController that actually performs the rotation. My UIViewController is in a UINavigationController...