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Cocoa Layered Architecture for Mac OSX

Cocoa Layered Architecture for Mac OSX Created By: Debasis Das Below is a high level summary architecture diagram for the different layers in a Mac OSX for Cocoa App Development. Each layer helps achieve rich functionalities. Primarily the OSX is

Posted in Architecture, Cocoa, Cocoa Touch, iOS, Objective C Tagged with: , , ,

Web App vs Native App vs Hybrid App

Web App vs Native App vs Hybrid App Written By: Debasis Das (23-May-2015) Today we are choosing a very controversial topic to write on, there is a never ending battle between technology experts and aficionados as to what is the

Posted in Charts n Graphs, Cocoa, Cocoa Touch, Generic, iOS, iOS Games, Objective C, Web Technology Tagged with: , , , ,

Cocoa Delegate Design Pattern

Cocoa Delegate Design Pattern Written By: Debasis Das (18-May-2015) Cocoa Delegate Design Pattern is a powerful design pattern in which one object works on behalf of another object. Examples of some of the delegating object in AppKit framework are as follows

Posted in Cocoa, Design Pattern, iOS, Objective C Tagged with: , , , , ,

Observer Design Pattern, Key-Value Observing

Observer Design Pattern, Key-Value Observing Written By: Debasis Das (3-May-2015) In the Observer Design Pattern , one object notifies other objects of any state changes. The Observer Design Pattern requires that an observer registers itself for changes in the state of another

Posted in Cocoa, Design Pattern, iOS, Objective C Tagged with: , , , , , , ,

Swift print, println, NSLog

Swift – print, println, NSLog Written By: Debasis Das (21-Mar-2015) We can use print, println and NSLog in Swift but before we start into sample code lets understand the difference of each Swift println vs Swift print Using println will

Posted in Cocoa, Cocoa Touch, iOS, Swift Tagged with: , , , , , , , ,

Singleton Design Pattern in Cocoa

Singleton Design Pattern in Cocoa Written By: Debasis Das (10-Mar-2015) Singleton Design Pattern is used when there can be exactly one instance of a class. Singleton design pattern provides a global point of access to the single instance of the

Posted in Cocoa, Cocoa Touch, Design Pattern, iOS, Objective C Tagged with: , , , , , ,

Sharing code between ios and os x apps

Sharing code between ios and os x apps Written By: Debasis Das (25-Feb-2015) In this article we will exhibit how we can build an iOS and Mac OS X app for Sharing code between ios and os x apps ensuring maximum

Posted in Cocoa, Cocoa Touch, Design Pattern, iOS, Objective C Tagged with: , , , ,

Framework vs Library (Cocoa, iOS)

Framework vs Library (Static & Shared) in (Cocoa/OSX, Cocoa Touch/iOS) Written By: Debasis Das (20-Feb-2015) This article talks about various options of bundling reusable code in your (Cocoa – OSX) or (Cocoa Touch – iOS ) Applications Before understanding the difference between

Posted in Cocoa, Cocoa Touch, Generic, iOS, Objective C Tagged with: , , , , , , , , ,

Swift – Concurrency, NSOperation, NSOperationQueue

Swift – Concurrency, NSOperation, NSOperationQueue Written by: Debasis Das (21-Jan-2015) Details about Concurrency, NSOperation, Operation Queue & Grand Central Dispatch can be found in this article. The concepts remain the same, there is a slight change to  implementation. NSInvocationOperation is

Posted in Cocoa, iOS, Objective C, Swift Tagged with: , , ,

Objective C – Concurrency, NSOperationQueue & Grand Central Dispatch

Objective C – Concurrency, NSOperationQueue & Grand Central Dispatch Written By : Debasis Das (17-Jan-2015) In this article we will cover the following topics in Cocoa, Objective C with examples and sample code depicting the usage of each. What is

Posted in Cocoa, Generic, iOS, Objective C Tagged with: , , , , , , , , ,

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