I am开发者_开发问答 little confused about some concepts around Objective-C protocols and categories.
As per my knowledge, Objective-C is an Object oriented programming languge and Categories is a feature provided by Objective-C.
I believe a popular way to declare \"private methods\" in Objective-C is to create its class extension and declare methods that you would like to make as private.
This is an extension of this queston: Is it possible to create a category of the "Block" object in Objective-C.
I have a few UIToolbars throughout my app. I want each one to have a different background. Here is an example of a Category I have:
I want to add some methods to subclasses of NSManagedObject that implement the SOManagedObject protocol.I\'ve tried defining it like this:
I have a two part question. First, how can you create a Singleton category in Obj-C? It would just be for internal use so it does not have to be foolproof singleton. Secondly, can I create this catego
Well, I have these two protocols: @protocol ivAuthorizationProtocol <NSObject> -(void)loginReply:(ivSession*)session;
I\'开发者_开发知识库m creating a category over NSDate. It has some utility methods, that shouldn\'t be part of the public interface.
Category is alternative of subclassing. What will happen if the category message already has been implemented in the class. Take UIViewController as example,
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