Allegion IOS Developer Interview Questions and Answers

Classes are reference types while structs are value types.

• Classes support inheritance while structs do not.

• Classes have deinitializers while structs do not.

• Structs are copied when passed around while classes are passed by reference.

• Classes can have weak references while structs cannot.

• Structs are preferred for small data types while classes are preferred for larger data types.

Mid-level iOS developers should possess a solid understanding of Swift, UIKit, and best practices in app development.

• Proficient in Swift and Objective-C, enabling effective coding and debugging.

• Experience with UIKit and SwiftUI for building user interfaces.

• Understanding of MVC and MVVM design patterns to structure code efficiently.

• Familiarity with RESTful APIs for integrating backend services, e.g., fetching data from ...read more

Questions related to iOS development, including MVC pattern, closures, Google SDK, and managing constraints for labels.

• MVC pattern is a design pattern used in iOS development to separate the application logic into three components: model, view, and controller.

• Closures are self-contained blocks of functionality that can be passed around and used in code. Types include escaping and non-escaping closures.

• Google SDKs like ...read more

Test cases will be written using XCTest framework and will cover all possible scenarios.

• Identify all possible scenarios and edge cases

• Write test cases using XCTest framework

• Ensure test cases cover all scenarios and edge cases

• Test cases should be automated and run on a regular basis

I will solve the challenges by analyzing the problem, researching possible solutions, and implementing the best approach.

• Analyze the problem thoroughly

• Research possible solutions

• Implement the best approach

• Collaborate with team members if necessary