2014/10/15 下午 10:03:34

iphone Programming Glossary: allocwithzone

Custom UITabBarController and UINavigationController

http://stackoverflow.com/questions/15227181/custom-uitabbarcontroller-and-uinavigationcontroller

NSMutableArray arrayWithCapacity 0 UINavigationController navigationController UINavigationController allocWithZone self zone initWithRootViewController controller navigationController.navigationBarHidden YES sectionViewControllers addObject..

Apple Singleton example query?

http://stackoverflow.com/questions/2410830/apple-singleton-example-query

creating a singleton instance. static id sharedReactor nil id sharedInstance if sharedReactor nil sharedReactor super allocWithZone NULL init return sharedReactor . id allocWithZone NSZone zone return self sharedInstance retain id retain return self In.. nil id sharedInstance if sharedReactor nil sharedReactor super allocWithZone NULL init return sharedReactor . id allocWithZone NSZone zone return self sharedInstance retain id retain return self In the code where the singleton instance is created.. retain id retain return self In the code where the singleton instance is created the sharedInstance method calls super allocWithZone NILL from the superclass which in my case is NSObject The allocWithZone above is only called if you attempt to use it to..

The best way to keep global variables in iPhone app

http://stackoverflow.com/questions/3456981/the-best-way-to-keep-global-variables-in-iphone-app

self if z##_shared_obj_name_ nil Note that 'self' may not be the same as _object_name_ first assignment done in allocWithZone but we must reassign in case init fails z##_shared_obj_name_ self alloc init _GTMDevAssert z##_shared_obj_name_ nil @.. _GTMDevAssert z##_shared_obj_name_ nil @ didn't catch singleton allocation return z##_shared_obj_name_ id allocWithZone NSZone zone @synchronized self if z##_shared_obj_name_ nil z##_shared_obj_name_ super allocWithZone zone return z##_shared_obj_name_.. id allocWithZone NSZone zone @synchronized self if z##_shared_obj_name_ nil z##_shared_obj_name_ super allocWithZone zone return z##_shared_obj_name_ We can't return the shared instance because it's been init'd _GTMDevAssert NO @..

Display local UIImage on UIWebview

http://stackoverflow.com/questions/5329648/display-local-uiimage-on-uiwebview

self initWithBase64EncodedString string return self NSData dataWithBase64EncodedString NSString string return NSData allocWithZone nil initWithBase64EncodedString string autorelease id initWithBase64EncodedString NSString string NSMutableData mutableData..

Using a singleton to create an array accessible by multiple views

http://stackoverflow.com/questions/6324732/using-a-singleton-to-create-an-array-accessible-by-multiple-views

SingletonDescption stuff Singleton mySingleton if mySingleton mySingleton Singleton alloc init return mySingleton id allocWithZone NSZone zone if mySingleton mySingleton super allocWithZone zone return mySingleton else return nil id copyWithZone NSZone.. mySingleton Singleton alloc init return mySingleton id allocWithZone NSZone zone if mySingleton mySingleton super allocWithZone zone return mySingleton else return nil id copyWithZone NSZone zone return self void release NO OP @end EDIT 2 This is how..

Correct Singleton Pattern Objective C (iOS)?

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

error method and et voila the following came out @implementation MySingleton MARK MARK Singleton Pattern using GCD id allocWithZone NSZone zone return self sharedInstance retain id copyWithZone NSZone zone return self id autorelease return self oneway.. nil static dispatch_once_t predicate dispatch_once predicate ^ call to super avoids a deadlock with the above allocWithZone instance super allocWithZone nil init return instance MARK MARK Initialization id init self super init if self Initialization.. predicate dispatch_once predicate ^ call to super avoids a deadlock with the above allocWithZone instance super allocWithZone nil init return instance MARK MARK Initialization id init self super init if self Initialization code here. return self..

Tap pressure strength detection using CPBPressureTouchGestureRecognizer

http://stackoverflow.com/questions/8079580/tap-pressure-strength-detection-using-cpbpressuretouchgesturerecognizer

@synchronized self if shared##classname nil shared##classname self alloc init return shared##classname id allocWithZone NSZone zone @synchronized self if shared##classname nil shared##classname super allocWithZone zone return shared##classname.. shared##classname id allocWithZone NSZone zone @synchronized self if shared##classname nil shared##classname super allocWithZone zone return shared##classname return nil id copyWithZone NSZone zone return self id retain return self NSUInteger retainCount..

iOS : How to reference a music background from a singleton class?

http://stackoverflow.com/questions/8455576/ios-how-to-reference-a-music-background-from-a-singleton-class

if sharedMyManager static dispatch_once_t oncePredicate dispatch_once oncePredicate ^ sharedMyManager super allocWithZone nil init return sharedMyManager id allocWithZone NSZone zone return self sharedManager id copyWithZone NSZone zone return.. oncePredicate dispatch_once oncePredicate ^ sharedMyManager super allocWithZone nil init return sharedMyManager id allocWithZone NSZone zone return self sharedManager id copyWithZone NSZone zone return self #if __has_feature objc_arc id retain return..

Best practice when implementing copyWithZone:

http://stackoverflow.com/questions/9907154/best-practice-when-implementing-copywithzone

on the following ... 001 Crime is a subclass of NSObject. id copyWithZone NSZone zone Crime newCrime self class allocWithZone zone init if newCrime newCrime setMonth self month newCrime setCategory self category newCrime setCoordinate self coordinate.. self title newCrime setSubtitle self subtitle return newCrime In 001 Is it best to write the class name directly Crime allocWithZone zone init or should I use self Class allocWithZone zone init Is it ok to use self month for copying the iVars or should.. newCrime In 001 Is it best to write the class name directly Crime allocWithZone zone init or should I use self Class allocWithZone zone init Is it ok to use self month for copying the iVars or should I be accessing the iVars directly i.e. _month iphone..