What is Reference Count in Objective-C’s Memory Management.
Memory Management This is Objective-C Memory technique which holds number of counts which is handling by Object. i.e one object is holding how many reference are count value. When we are allocating the memory for any object then automatically reference…
Methods of NSString in IOS !!!
NSString in IOS NSString is a predefine class available in Foundation Framework. 1)stringWithString – By using this we can create a string object with another string content.(class method). 2)Length – By Using this method, we can find length of string.…
UITextField and its Properties in IOS ?
UITextField and its Properties By using this view we can place single line text content. When we are working UITextfield we require to implement UITextfieldDelegate methods. When we are editing UITextfield data then automatically keyboard will appear.…
What is Delegate Means in Objective-C (IOS Application Development)
Delegate Means in Objective-C A delegate allows one object to send messages to another object when an event happens. For example, if you’re downloading data from a web site asynchronously using the NSURLConnection class. NSURLConnection has three common…
iOS Application LifeCycle !!!
App Lifecycle events are available in AppDelegate.m file. When we launching the application first time, then control will goes “application:didFinishLaunchingWithOption” method. This method will be called only once when we starts the application.…
Some facts about Mobile Operating System !!!
From 1979-1999 all mobile working with the help of embeded system. In the year of 1993, first smartphone os is released with the name called IBM siemen. In the year of 1996, Microsoft released Windows CE OS for mobiles. In the year of 1999, Nokia…
Fundamentals of Objective-C !!!
Objective-C is a general purpose high level Object Oriented programming language. Objective-C programming language designed by using C and Smalltalk-80 programming language. Objective-C programming language follows smalltalk message passing style(syntax)…
IOS History !!!
It is a own Operating System of Apple Corporation, By using iOS only Apple device are work like, iPhone, iPad,iPod,Apple Tv. The orignal name of ‘iOS’ is ‘OSX’ and it was renamed as iOS on 7th June 2010. The first version of iOS is released on June 29th…
Swift Programming Language Interview Questions And Answers
Interview Questions 1. What is Swift Programming Language? Swift is an innovative new programming language for Cocoa and Cocoa Touch. Writing code is interactive and fun, the syntax is concise yet expressive, and apps run lightning-fast. Swift is ready…