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What are the differences between Cocoa and Cocoa Touch?

8/19/2018

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These are basically the frameworks used for development of applications.
The core concepts of Cocoa and Cocoa touch are similar.But there is some main differences between these frameworks.
After a lot of reference,I have concluded some best points regarding the differences between Cocoa and Cocoa Touch which every beginner should know  before starting                        development.

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What is .ipa in iOS ?

8/19/2018

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You must have heard about .ipa files while developing iOS Applications or if you are into jail breaking your iPhone/iPad or iPod Touch,you probably also been looking for the illegal iOS ipa files.
​In this post,I have explained about it's use and what it stands for.ipa stands for  
iOS App Store Package. 

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What is the difference between IBOutlet and IBAction in iOS ?

8/19/2018

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IBAction and IBOutlet are macros defined to denote variables and methods that can be referred to in Interface Builder.
​

​IBAction and IBOutlets are used to hook up your interface made in Interface Builder with your controller

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How To Explain UIViewController Life Cycle in iOS?

8/19/2018

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What is VIewController?
View controllers play a crucial role for designing most iPhone applications.Today, I am going to explain only the UIViewController Life Cycle.The UIViewController class is the base class that establishes communication between model and View in iOS MVC design
pattern.

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Application's Background Transition Cycle in iOS

8/19/2018

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In this post we will discuss about application's background transition cycle.You must be curious to know -" what happens when user presses Home button of iOS device","what are the application states by which app goes through when user presses Sleep or Wake button", "what happens when  the system launches another app".

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What Are The Main Responsibilities Of A View Controller ?

8/19/2018

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View controllers plays a very important role in iOS applications and build the skeleton of every app you develop.A view Controller manages multiple views of your app's user interface.
-It  basically loads and disposes the views, for managing interactions with those views, and coordinates responses with the suitable data objects.
-View controllers also communicates with other view controllers to manage your app’s overall interface.

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How to Explain  iOS Application LifeCycle ?

8/18/2018

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iOS applications transition between a number of states in response to actions happening throughout the system.These states are known as states of Application's lifecycle.

​Apple introduced background processing or multithreading in iOS 4.0.

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Concept Of Multitasking In iOS App ?

8/18/2018

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Prior to iOS 4.0, it was impossible to run more than one Application at the same time. What I mean to say, if you are playing a Game and try to switch to another App,you have to close the first App.

​Apple resolved this issue with the introduction of multitasking operating system iOS 4.With Multitasking, you can use more than one app at a time on your iOS device.

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How to start a long-running task when your app goes to the background in iOS ?

8/18/2018

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When the user sends an App to background,they moves to an inactive state so that system can send them to a suspended state as soon as possible.If some apps have to complete some tasks or need some extra time ,they can call beginBackgroundTaskWithName:expirationHandler:  or
beginBackgroundTaskWithExpirationHandler: method of UIApplication object to request for additional time

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How to get Bundle Identifier Programmatically in Objective C ?

8/18/2018

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What is Bundle Identifier in Xcode ?
Answer:

It's an unique string that identifies your app.
It is usually written in reverse DNS notation i.e (com.Yourcompanyname.yourApp).

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How to convert your NSStrings to c strings (const char *) and vice versa in Objective C ?

8/18/2018

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Objective-C is built upon the C , it’s important to know how to convert C based strings to NSString objects, and vice-versa.
A C string is simply a series of characters (a one-dimensional character array) that is null-terminated, whereas an NSString object is a complete object with class methods, instance methods, etc.​

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How do I check if a string contains another string in Objective-C ?

8/18/2018

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In this post we can prefer two best solutions to check if a string contains another string .We can use rangeOfString: that returns an  NSRange struct {NSNotFound, 0}.

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How to Convert String into Integer, Float, Double in Objective C and vice versa ?

1/20/2018

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Picture
1.How to convert  integer to String in Objective C ?
​
Answer:
​

NSString *AnyStringValue = @”1000″;
int convertedValue = [AnyStringValue intValue];

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WELCOME TO HUNTMYIDEAS

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I am Jitendra Gochhayat,an iOS Developer,Designer,blogger,
​from Odisha,India.
I write about ​​​blog tips and,
Make money online Tips,
​Objective C tutorials
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