What are the differences between Cocoa and Cocoa Touch?

8/19/2018

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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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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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

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