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

Navigating SwiftUI views

Navigation in mobile apps was always a critical issue. UIKit supported navigation from day one, and SwiftUI launched with essential support from NavigationView.

Navigation in SwiftUI is quite different than UIKit. While in UIKit, we had to create a new view controller and push it to a stack using UINavigationController, in SwiftUI, it works slightly differently.

Remember we discussed declarative programming earlier in this chapter? This is how navigation works in SwiftUI. Instead of creating and pushing a new view, we use the state to present sheets, modals, and links to navigate to a new view.

Let’s see how to present a modal view using state modification in SwiftUI:

struct ContentView: View {    @State var isModalPresented = false
    var body: some View {
        VStack {