Wouldn't it be great for your iOS interview preparation if you knew what kind of iOS questions to expect? iOS was created and optimized solely for Apple hardware. Before your Apple interview, you should strive to have a thorough understanding of iOS. This article will go over some iOS interview questions and answers for both new and experienced developers to help you prepare for your interview.
If you are preparing for a tech interview, check out our technical interview checklist, interview questions page, and salary negotiation ebook to get interview-ready! Also, read Amazon Coding Interview Questions, Facebook Coding Interview Questions to Nail Your Next Interview, and Google Coding Interview Questions for specific insights and guidance on Coding interview preparation.
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In this article, we’ll learn:
Apple iOS includes Bluetooth, cellular connectivity, gesture recognition support, VPN support, integrated tech support, and Wi-Fi.
Yes, even as someone new to programming, you’ll find Swift easy as Apple designed it, so it can be the first programming language people learn. Swift also has a simple and easy-to-understand expressive syntax that makes it easy to understand.
The main functions of iOS include texting, searching the web, providing social gaming networks, and calling people.
Swift fosters interactivity in development as a modern, easy to learn, fast, and safe language. Features like closures, generics, and type inference make Swift easier to use and simplify common patterns used in Objective-C.
Three main types of iOS design patterns include:
Behavioral Design Pattern (Observer Pattern and Memento Pattern)
Some critical features of Swift include safety, readability, simple syntax, multiplatform support, open-source, and compatibility with Objective C.
A dictionary in Swift is an unordered collection of items where the items are stored in key-value pairs. Here, a key is a unique identifier used to store a value associated with it. This key can be used to later reference and retrieve the value using that same unique key associated with the value.
SpriteKit is a framework designed to create animated 2D assets/objects in games made more easily and quickly. We can use it for drawing shapes, text, images, particles, and videos in 2D.
Here are some frequently asked Apple iOS interview questions you should be able to answer before your iOS interview:
Practice these Apple iOS interview questions for fresher and experienced developers to help you prepare for your interview:
Q1. What is an iOS application, and where does your code fit into it?
Generally, an iOS application is just blocks of code and a large run loop. It waits for the user’s input and gets interrupted by external events like push notifications, phone calls, button presses, home gestures, and other app life cycle events.
Q2. Why is Swift faster than Objective C?
Swift has removed some limitations of C and has been enhanced using advanced software development technology that was unavailable during the development of C. Swift was designed by Apple to operate faster, and it does.
Q3. What is the full form of iOS?
iOS, formerly known as iPhone OS, is a mobile OS created and developed by Apple Inc. exclusively for Apple’s hardware.
Q4. What are the advantages of iOS?
iOS is easy to use, has a simple interface, even after many version upgrades. It uses the battery efficiently and generates less heat. It makes good use of Google maps and is document-friendly. Multitasking is also conveniently possible.
Q5. How long will an iOS app run in the background?
iOS 7 onwards, apps can get up to three minutes of background running time. The max running time can be reduced in future iOS updates.
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