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

Understanding Persistent Memory

While, as iOS developers, we primarily focus on UI-related topics such as UIKit and SwiftUI, there are other essential aspects of iOS development to consider, such as persistent memory. This topic is critical as it enables us to store and retrieve information even after an app is closed.

There are many benefits to managing persistent memory well, some of which are detailed here:

  • Improving user experience: Apps that can save and retrieve user data later provide a better user experience. For instance, if the user has downloaded information from our backend server, we can show it to them the next time they enter the app without waiting for network requests to complete.
  • Providing offline access: Offline access is a great feature allowing users to work with our app even when they are offline. For example, a messaging app may allow users to view their previous conversations even when they don’t have an internet connection.
  • Keeping...