Cocoa is for Mac App development and cocoa touch is for apples touch devices - that provide all development environment .The Cocoa and Cocoa Touch frameworks that power OS X and iOS.Cocoa’s high-level APIs make it easy to add animation, networking, and the native platform appearance and behavior to your application with only a few lines of code.The Cocoa frameworks consist of libraries, APIs, and runtimes that form the development layer for all of OS X. By developing with Cocoa, you will be creating applications the same way OS X itself is created.
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provides a mechanism for broadcasting information within a program, using notification we can send message to other object by adding obser...
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Abstract Factory Pattern Its a creational design pattern. It's extension to factory method. It creates more level of abstraction t... -
An IPA has a built-in structure for iTunes and AppStore to recognize, The example below shows the structure of an IPA, /Payload/ /Pay...
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reference:- http://www.techotopia.com/ iOS Architecture Application runs above the Cocoa Touch layer. Application can call an... -
Prototype Pattern Its a creational design pattern. Its normally used to create duplicate objects. This pattern is used normally when th... -
Watchkit is extension to you iOS app. To add watchkit to app follow below steps(1.File new target watchkit app which will add wathkitap...
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Objective C 2.0 introduces garbage collection to take care of memory. Reference Counting/Retain counting:- Every object has an integ...
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Singleton Design Pattern Its creational design pattern. Singleton pattern is to ensure that a class has only one instance and provides ... -
NSAutoreleasePool:- The NSAutoreleasePool class is used to support Cocoa’s reference-counted memory management system. An autor...
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layoutSubviews is a method that is called automatically during view size changes. It can be used by a custom view to perform addit...
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