iPhone Interview Questions And Answers ForFreshers What is iPhone? IPhone is a combination of Download as PDF, TXT or read online from Scribd. Flag for. osakeya.info 60 TOP iOS Interview Questions with Answers for freshers and Experienced pdf. What is iPhone? IPhone is a combination of internet and multimedia enabled smart phone developed by. Apple osakeya.info functions as a.
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Hello, Part 3 is ready! Check out Part 1 and Part 2 if you haven't already:) Update : December 27 1- What is Nil Coalescing & Ternary. Frequently asked IOS Interview Questions with detailed answers and examples. Tips and Tricks for Here are top 19 objective type sample IOS Interview questions and their answers are given just below to them. . PDF creation ✓ Support for. Various jobs including Ios developer java/swift/objective Have a look at wisdom jobs Swift job interview questions and answers for the interview preparation.
When you create an object, it has a retain count of 1. When you send an object a retain message, its retain count is incremented by 1. When you send an object a release message, its retain count is decremented by 1.
When you send an object a autorelease message, its retain count is decremented by 1 at some stage in the future. A:The frame of a view is the rectangle, expressed as a location x,y and size width,height relative to the superview it is contained within.
The bounds of a view is the rectangle, expressed as a location x,y and size width,height relative to its own coordinate system 0,0. A:No, the delegate is never retained! Explain them?
It may be executing other code though. An app usually stays in this state only briefly as it transitions to a different state. The only time it stays inactive for any period of time is when the user locks the screen or the system prompts the user to respond to some event, such as an incoming phone call or SMS message. Active state: The app is running in the foreground and is receiving events. This is the normal mode for foreground apps.
Many developers think that a synchronous connection blocks the main thread, which is not true. A synchronous connection will always block the thread from which it is fired. If you fire a synchronous connection from the main thread, the main thread will be blocked. In order to create an asynchronous connection, we need to do the following: Learn more about iOS, in this iOS online training course. It cannot be accessed unless we create accessors, which are generated by property.
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Nice job. Thank You. These questions are very useful for those who wants their career in application development.. I love apps. These are really an awesome iOS interview questions. Thanks for sharing. You must be logged in to post a comment.
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Hurry up. Sign Up or Log In using. Here are top 19 objective type sample IOS Interview questions and their answers are given just below to them. These sample questions are framed by experts from Intellipaat who trains for IOS Training to give you an idea of type of questions which may be asked in interview. We have taken full care to give correct answers for all the questions.
Do comment your thoughts Happy Job Hunting! IOS Characteristics. SBJson framework is supported by iOS. How can we prevent iOS 8 app's streaming video media from being captured by QuickTime Player on Yosemite during screen recording?
Become iOS Certified in 16 hrs. How can you respond to state transitions on your app? What are the features added in iOS 9?
Siri is a personal assistant to the users, able to create contextual reminders and search through photos and videos in new ways. Deeper search capabilities can show results like sports scores, videos, and content from third-party apps, and you can even do simple conversions and calculations using the search tools on your iPhone or iPad. Performance improvements Many of the built-in apps have been improved. San Francisco font , wireless CarPlay support An optional iCloud Drive app , built-in two-factor authentication and optional longer passwords for better security.
What are the different ways to specify layout of elements in UIView? What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?
Properties specified as atomic are guaranteed to always return a fully initialized object. This also happens to be the default state for synthesized properties. This guarantee of atomic properties comes at the cost of performance.
However, if you have a property for which you know that retrieving an uninitialized value is not a risk e. Describe managed object context and it's function. These objects collectively represent an internally consistent view of one or more persistent stores.
A single managed object instance exists in one and only one context, but multiple copies of an object can exist in different contexts. Concurrency is when the Core Data uses thread or serialized queue confinement to protect managed objects and managed object contexts. Explain Singleton class.
Only one instance of that class is created in the application. What is unnamed category. Does Objective-C contain private methods? What is plist? What is the purpose of reuseIdentifier? What is the benefit of setting it to a non-nil value? If reuseIdentifier has not been set, the UITableView will be forced to allocate new UITableViewCell objects for each new item that scrolls into view, potentially leading to laggy animations.
An App ID is a two-part string to identify one or more apps from a single development team. The Team ID is supplied by Apple and is unique to a specific development team while a bundle ID search string is supplied by the developer to match either the bundle ID of a single app or a set of bundle IDs for a group of apps. The bundle ID uniquely defines each App. It is specified in Xcode. A single Xcode project can have multiple targets and therefore, output multiple apps.
What is Abstract class in Cocoa? Define its types and use case.