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2014/10/15 ¤U¤È 10:10:20
iphone Programming Glossary: initializediOS - Passing variable to view controller http://stackoverflow.com/questions/11272864/ios-passing-variable-to-view-controller anyone know why this is iphone ios uiviewcontroller share improve this question When a view controller is being initialized inside the initWithNibName method the views that reside in the view controller aren't yet initialized and you can't set.. is being initialized inside the initWithNibName method the views that reside in the view controller aren't yet initialized and you can't set their properties yet. Do whatever you need that is view based in the viewDidLoad method. share improve..
Change app language in iOS without restarting the app http://stackoverflow.com/questions/12192151/change-app-language-in-ios-without-restarting-the-app us using NSLocalizedString I know it is possible to set the language at runtime at main.m when your AppDelegate is not initialized but once it is initialized particularly your view controller is created change it has not effect until the next restart.. I know it is possible to set the language at runtime at main.m when your AppDelegate is not initialized but once it is initialized particularly your view controller is created change it has not effect until the next restart NSUserDefaults standardUserDefaults..
Get the password from the webservices url and access through that password http://stackoverflow.com/questions/15377212/get-the-password-from-the-webservices-url-and-access-through-that-password with the URLRequest. NSURLConnection conn NSURLConnection alloc initWithRequest request delegate self It returns the initialized url connection and begins to load the data for the url request. You can check that whether you URL connection is done properly..
Implementation of “Automatic Lightweight Migration” for Core Data (iPhone) http://stackoverflow.com/questions/2310216/implementation-of-automatic-lightweight-migration-for-core-data-iphone #Configuration or nil# URL storeURL options options error error Handle the error. My NSPersistentStoreCoordinator is initialized in this way NSPersistentStoreCoordinator persistentStoreCoordinator if persistentStoreCoordinator nil return persistentStoreCoordinator..
How do I zoom an MKMapView to the users current location without CLLocationManager? http://stackoverflow.com/questions/2473706/how-do-i-zoom-an-mkmapview-to-the-users-current-location-without-cllocationmanag . To do this put this code in viewDidLoad of your ViewController or anywhere in the place where your map view is initialized. self.mapView.userLocation addObserver self forKeyPath @ location options NSKeyValueObservingOptionNew NSKeyValueObservingOptionOld..
NSMutableArray addObject: -[__NSArrayI addObject:]: unrecognized selector sent to instance http://stackoverflow.com/questions/3220120/nsmutablearray-addobject-nsarrayi-addobject-unrecognized-selector-sent-t NSMutableArray 100 ways from Sunday and NOTHING is working for me. I tried setting it equal to a newly allocated and initialized NSMutableArray just allocating initializing the variable by itself every combination I could think of and always the same..
iOS 4: Remote controls for background audio http://stackoverflow.com/questions/3456435/ios-4-remote-controls-for-background-audio delegate which is accessible from everywhere. When the user plays a song I replace the AVAudioPlayer with a new one initialized with the song and play it. This all works great except now I have no idea how to go about supporting remote control events...
http://stackoverflow.com/questions/4089238/implementing-nscopying here. What should your code do First create a new instance of the object ”you can call self class alloc init to get an initialized obejct of the current class which works well for subclassing. Then for any instance variables that are a subclass of NSObject..
Removing cell borders from a section of grouped-style UITableView http://stackoverflow.com/questions/4202965/removing-cell-borders-from-a-section-of-grouped-style-uitableview cell borders from a section of grouped style UITableView I have a UITableViewController initialized with the grouped style and having multiple sections. For one of these sections I'd like its constituent cells to be completely..
http://stackoverflow.com/questions/4545982/getting-video-from-alasset the following NSData data NSData dataWithContentsOfURL videourl data writeToFile tmpfile atomically NO Data is never initialized in this case. Has anyone managed to access the url directly via the new assets library Thanks for your help. iphone alassetslibrary..
iPhone: AVAudioPlayer unsupported file type http://stackoverflow.com/questions/4901709/iphone-avaudioplayer-unsupported-file-type Instead of initializing the audio player with the NSData object I saved the file to the Documents folder and then initialized the player with the file URL download file and play from disk NSData audioData NSData dataWithContentsOfURL someURL NSString..
Can somebody explain the process of a UIViewController birth (which method follows which)? http://stackoverflow.com/questions/5107604/can-somebody-explain-the-process-of-a-uiviewcontroller-birth-which-method-follo viewController object At its most basic a viewController is a generic controller object. When it is first allocated an initialized it has no view object associated with it. The view is only instantiated when and if it is required. So without considering.. for memory management with respect to the objects that you create. If your subclass overrides loadView it should be initialized using nil for both nibName and bundle . 2b. Loading the view from a nib If you use a nib file the default implementation..
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 pred ^ shared Singleton alloc init shared.bananas NSMutableArray alloc init return shared @end The singleton is initialized the first time you use it. You can call it from anywhere at any time NSLog @ @ Singleton singleton .bananas share improve..
Customize the MKAnnotationView callout http://stackoverflow.com/questions/8018841/customize-the-mkannotationview-callout annotation CalloutAnnotation is added which follows the same behaviour but this time the view returned CalloutView is initialized from a XIB and contains Core Graphics code in BaseCalloutView to animate and replicate a callout. The initializer of the..
Why is object not dealloc'ed when using ARC + NSZombieEnabled http://stackoverflow.com/questions/8408071/why-is-object-not-dealloced-when-using-arc-nszombieenabled that is an NSObject subclass. 3 ActionsController observes a notification via NSNotificationCenter when it is initialized and stops observing when it is dealloc'ed. 4 User dismisses SecondaryViewController to return to RootViewController . With..
Having trouble adding objects to NSMutableArray in Objective C http://stackoverflow.com/questions/851926/having-trouble-adding-objects-to-nsmutablearray-in-objective-c newbies like me so apologies in advance objective c iphone cocoa cocoa touch share improve this question Have you initialized your viewedCardsArray If not you need to somewhere this is usually done in the init method for your class id init self super..
Why does Apple recommend to use dispatch_once for implementing the singleton pattern under ARC? http://stackoverflow.com/questions/9119042/why-does-apple-recommend-to-use-dispatch-once-for-implementing-the-singleton-pat in the shared instance accessor of a singleton under ARC MyClass sharedInstance Static local predicate must be initialized to 0 static MyClass sharedInstance nil static dispatch_once_t onceToken 0 dispatch_once onceToken ^ sharedInstance MyClass..
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