Objective-c is a highly dynamic message-based object-oriented language, superset of C, that is a primarily used for programming Apple's Mac OS X and iOS platforms.

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Create an Objective-C category to route methods depending on a specified type

For one project, I needed to find a solution to avoid code like this: if ([self.desiredColor isEqualToString:@"Red"]) [self constructRedMenu]; else if ([self.desiredColor ...
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Manage the persistence of entities on iOS in several places: CoreData on the device, iCloud and on a REST API

For the needs of a project, I would persist the datas contained in Core Data in several places depending on the state of the user. If the user is logged to my API -> Persist the datas on my API. ...
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What are the bad points of using Core Data for iOS like an ORM

I just starting to use Core Data for my iOS app and I am thinking about how use Core Data for my needs. What are the features of my app: The user look for products proposed from a catalog. The user ...
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Designing object oriented programming

Basically, I want to make api calls using an SDK I am writing. I have the following classes: Car CarData (stores input values needed to create a car like model, make, etc) Basically to create a ...
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Objective-C Lesson in Class Design

I have the following classes: Teacher Student Class (like a school class) They all extend from KObject that has the following code: - initWithKey - send - processKey Teacher, Student ...
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Do iOS frameworks require the same internal versioning as OSX frameworks?

I have been reading through the apple documentation for creating frameworks for OSX and iOS. Reading about the structure of frameworks, I began to wonder if there is really any need to create the ...
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Can PhoneGap and RoboVm work in harmony?

The Goal is to make an iOS app using phonegap and java. When writing phonegap plugins that interact with native code (objective-c) would it be possible instead to make it interact with java when using ...
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Delegate method privately called from delegate itself?

One has established design patterns so ingrained in their brain, that when sometimes somebody does something unexpected, it is a revelation. My colleague in an iOS project did call the delegate ...
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Difference between class clusters and abstract factory in cocoa

I have read that Obj-C class clusters are an implementation of the abstract factory. Can anyone explain if there are any differences between the 2 as design patterns. I read somewhere that there are ...
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How do I get fluid gesture motion in third party maps app on iOS?

There are a couple of apps on the App Store that use external map sources, for various reasons, to display map data. Some even have multiple sources for bike traffic and so on. However some of them ...