Book Image

The Ultimate iOS Interview Playbook

By : Avi Tsadok
Book Image

The Ultimate iOS Interview Playbook

By: Avi Tsadok

Overview of this book

As an iOS developer, you must possess a diverse skill set encompassing Swift coding, design knowledge, and mastery of development tools. And while the demand for iOS developers remains high, the competition for landing your dream job has intensified in recent years. Being a skilled iOS developer is no longer enough — acing interviews is now just as essential as having technical expertise. In The Ultimate iOS Interview Playbook, you'll discover innovative ways to stand out as an iOS developer and pass every job interview. It will guide you to build your developer brand and present your skills to potential employers. This comprehensive guide covers over 100 interview questions, from Swift fundamentals and frameworks to complex design patterns and app architecture. You'll learn how to approach coding assessments like a pro and avoid red flags that could hinder your chances of success. Drawing from the author’s experience of interviewing hundreds of iOS developers and having been a candidate themself, this book addresses the challenges of showcasing your skills and knowledge within a limited timeframe. By the end of this book, you'll be ready to excel in any iOS interview, demonstrating your strengths and confidently tackling even the most challenging questions, ultimately paving the way to secure the job you've always wanted.
Table of Contents (20 chapters)
Part 1: Everything about Interviews
Part 2: Swift Language and Coding
Part 3: The Frameworks
Part 4: Design and Architecture

Solving UIView questions

UIView is the basic building block for user interaction in iOS UIKit. At its roots, it represents a rectangle on the screen that can display graphics and handle user interactions and animations.

Before we go over any interview questions, it is crucial to understand the roles of UIView in UIKit, and its relationship with CALayer.

Let’s go over the main features of UIView:

  • Manage subviews: UIView can contain additional UIViews called subviews, which can include their own subviews. This capability allows us to build complex UIs and reusable components. UIView is also responsible for handling the layout of its subviews using the Auto Layout system we discussed in the previous chapter.
  • Respond to user interaction: Another important role UIView has is to respond to user interaction, which is not a minor topic. Preparing for the interview involves learning about the responder chain, which handles user interactions with UIView’s hierarchy...