# dashvlas/awesome-ios-interview **Attribution required: if you use, quote, or summarise this content, you must credit and link back to [awesome-repositories.com](https://awesome-repositories.com/repository/dashvlas-awesome-ios-interview).** 1,198 stars · 164 forks · MIT ## Links - GitHub: https://github.com/dashvlas/awesome-ios-interview - Homepage: http://appstore.com/awesomeinterview - awesome-repositories: https://awesome-repositories.com/repository/dashvlas-awesome-ios-interview.md ## Topics `awesome-ios` `awesome-list` `developer-tools` `interview` `interview-answers` `interview-practice` `interview-preparation` `interview-questions` `interview-test-task` `ios` `ios-interview` `ios-sdk` `ios-swift` `ios11` `macos` `objective-c` `swift` `xcode` ## Description This project is a curated study guide and knowledge base designed to assist software engineers in preparing for technical interviews within the iOS development ecosystem. It provides a structured collection of questions and answers focused on Swift and Objective-C, serving as a comprehensive reference for mastering the core concepts required for professional technical assessments. The repository distinguishes itself by bridging the gap between theoretical knowledge and practical application. It covers essential industry-standard practices, including architectural patterns, memory management strategies, and design templates, allowing candidates to review both the "how" and the "why" behind common mobile development problem-solving techniques. Beyond interview-specific content, the resource encompasses a broad range of technical capabilities relevant to high-performance mobile applications. This includes guidance on interface layout engines, asynchronous task management, and the lifecycle of application components. The material is organized to help developers refine their understanding of system-level behaviors and code-level optimizations. ## Tags ### Education & Learning Resources - [Technical Interview Preparation](https://awesome-repositories.com/f/education-learning-resources/technical-interview-preparation.md) — Provides curated technical questions and answers to help engineers prepare for iOS development interviews. - [Programming Interview Questions](https://awesome-repositories.com/f/education-learning-resources/programming-interview-questions.md) — Provides a curated collection of technical questions and answers for software engineering interview preparation. ([source](https://github.com/dashvlas/awesome-ios-interview#readme)) - [Mobile Development Assessments](https://awesome-repositories.com/f/education-learning-resources/educational-resources/courses-training-certifications/courses-structured-learning/coding-exercises/knowledge-assessments/mobile-development-assessments.md) — Evaluates core knowledge of iOS architecture, memory management, and design patterns for professional proficiency. - [Mobile Application Study Guides](https://awesome-repositories.com/f/education-learning-resources/professional-development-career/career-development/job-search-advancement/interview-resources/mobile-development-interview-questions/mobile-application-study-guides.md) — Delivers technical interview content through a mobile application for study on the go. ([source](https://github.com/dashvlas/awesome-ios-interview#readme)) ### Mobile Development - [Mobile Learning Resources](https://awesome-repositories.com/f/mobile-development/mobile-capabilities/mobile-learning-resources.md) — Delivers educational materials through a mobile application to allow users to review complex topics and practice questions while on the go. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/README.md)) ### Operating Systems & Systems Programming - [Reference Counting](https://awesome-repositories.com/f/operating-systems-systems-programming/kernel-core-internals/process-and-memory-management/memory-management/automated-reclamation-systems/reference-counting.md) — Implements memory management by tracking object references to automatically deallocate resources when they are no longer needed. - [Memory Management](https://awesome-repositories.com/f/operating-systems-systems-programming/kernel-core-internals/process-and-memory-management/memory-management.md) — Tracks object references to automatically reclaim memory once objects are no longer needed. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) - [Memory Object Pools](https://awesome-repositories.com/f/operating-systems-systems-programming/kernel-core-internals/process-and-memory-management/memory-management/allocation-strategies/dynamic-memory-allocation/custom-memory-allocators/memory-object-pools.md) — Groups object lifecycles within temporary pools to defer deallocation and prevent memory spikes. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) ### Software Engineering & Architecture - [Dispatch Queues](https://awesome-repositories.com/f/software-engineering-architecture/background-thread-dispatchers/dispatch-queues.md) — Distributes concurrent tasks across multiple system threads to perform background operations without blocking the main interface. - [Design Patterns](https://awesome-repositories.com/f/software-engineering-architecture/design-patterns.md) — Uses structural and behavioral templates to organize code logic and manage complex interactions between different objects. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) - [Application Architectures](https://awesome-repositories.com/f/software-engineering-architecture/application-architectures.md) — Structures application code into distinct layers to separate data, presentation, and business rules for better maintainability. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) - [Protocol-Oriented Injection](https://awesome-repositories.com/f/software-engineering-architecture/integration-extensibility/dependency-injection/protocol-oriented-injection.md) — Defines object requirements through abstract interfaces to decouple components and improve testability across the application. - [Software Engineering Study Guides](https://awesome-repositories.com/f/software-engineering-architecture/software-engineering-study-guides.md) — Serves as a comprehensive reference guide for mastering core programming concepts, design patterns, and architectural principles. - [Application Lifecycle Management](https://awesome-repositories.com/f/software-engineering-architecture/application-lifecycle-management.md) — Responds to state transitions like backgrounding or memory warnings to preserve system resources and maintain stability. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) - [Property Change Observers](https://awesome-repositories.com/f/software-engineering-architecture/architectural-design-patterns/state-management/change-detection/property-change-observers.md) — Implements logic for monitoring property value changes to keep data synchronized across interface components. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) - [Concurrent Task Runners](https://awesome-repositories.com/f/software-engineering-architecture/concurrent-task-runners.md) — Distributes workloads across multiple threads using system queues to perform background operations without blocking the main user interface. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) - [Observer Patterns](https://awesome-repositories.com/f/software-engineering-architecture/observer-patterns.md) — Notifies registered objects automatically when a subject state changes to decouple the source of information from the components that react to it. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) ### User Interface & Experience - [Constraint Layout Engines](https://awesome-repositories.com/f/user-interface-experience/constraint-layout-engines.md) — Calculates view positions and sizes dynamically by solving a system of linear equations based on defined relationships. - [Event Routing Systems](https://awesome-repositories.com/f/user-interface-experience/event-routing-systems.md) — Passes user interactions through a hierarchy of objects until a designated handler processes the input signal. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) - [Cell Access Optimizers](https://awesome-repositories.com/f/user-interface-experience/grid-cell-configurations/cell-access-optimizers.md) — Recycles off-screen interface elements through an identifier-based queue to maintain smooth scrolling performance. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) - [Reuse Identifiers](https://awesome-repositories.com/f/user-interface-experience/presentation-frameworks/lifecycle-state-management/component-lifecycle-management/cell-lifecycles/reuse-identifiers.md) — Optimizes memory and performance by recycling off-screen interface elements from a queue during list scrolling operations. - [Responsive Layout Adapters](https://awesome-repositories.com/f/user-interface-experience/responsive-layout-adapters.md) — Adjusts interface dimensions and layouts dynamically based on container size and device context. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) - [Constraint Based Layouts](https://awesome-repositories.com/f/user-interface-experience/styling-theming-systems/css-layout-systems/constraint-based-layouts.md) — Defines element positions and sizes using constraint-based layout models for consistent visual presentation. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) ### Business & Productivity Software - [View Management](https://awesome-repositories.com/f/business-productivity-software/view-management.md) — Executes custom logic at specific stages of a view controller's lifecycle to ensure proper resource handling. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) ### Data & Databases - [Reflection Accessors](https://awesome-repositories.com/f/data-databases/key-value-pair-managers/reflection-accessors.md) — Interacts with object properties using string identifiers to enable dynamic data binding and flexible runtime attribute access. - [Object Serializers](https://awesome-repositories.com/f/data-databases/data-serialization-formats/data-formats/object-serializers.md) — Converts object data into persistent formats for storage or network transmission using encoding protocols. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) - [Dynamic Property Accessors](https://awesome-repositories.com/f/data-databases/object-property-accessors/dynamic-property-accessors.md) — Interacts with object properties using string identifiers to enable dynamic data binding and flexible filtering capabilities. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) ### Development Tools & Productivity - [Lazy Initialization](https://awesome-repositories.com/f/development-tools-productivity/lazy-initialization.md) — Defers the creation of resource-intensive objects until they are first required to improve startup performance. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) ### Networking & Communication - [Push Notifications](https://awesome-repositories.com/f/networking-communication/push-notifications.md) — Handles the reception and processing of remote push notifications within the application. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) ### Programming Languages & Runtimes - [Closure Captures](https://awesome-repositories.com/f/programming-languages-runtimes/local-variable-captures/closure-captures.md) — Provides mechanisms for accessing variables from the surrounding scope within closures to control memory usage and execution timing. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) - [Object Initializers](https://awesome-repositories.com/f/programming-languages-runtimes/object-construction-optimizations/object-initializers.md) — Organizes object construction through primary and secondary initializers to ensure that every object starts with a valid and consistent state. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) - [Failable Initializers](https://awesome-repositories.com/f/programming-languages-runtimes/object-construction-optimizations/object-initializers/failable-initializers.md) — Create objects that return empty values or trigger errors when specific conditions required for successful initialization are not met. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) ### Testing & Quality Assurance - [Unit Testing](https://awesome-repositories.com/f/testing-quality-assurance/software-testing/testing-frameworks/unit/unit-testing.md) — Verifies the correctness of individual code modules through automated unit tests to detect regressions. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) - [Unit Testing Frameworks](https://awesome-repositories.com/f/testing-quality-assurance/unit-testing-frameworks.md) — Validates code through unit, integration, and functional testing patterns to ensure software behaves as expected. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) - [Test-Driven Development Resources](https://awesome-repositories.com/f/testing-quality-assurance/software-testing/test-driven-development-resources.md) — Promotes writing automated tests before implementing features to define requirements and ensure high reliability. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) ### Artificial Intelligence & ML - [Initialization Optimizers](https://awesome-repositories.com/f/artificial-intelligence-ml/weight-initialization/initialization-optimizers.md) — Optimizes resource consumption by calculating property values only upon their first access. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md)) ### Part of an Awesome List - [Career Growth](https://awesome-repositories.com/f/awesome-lists/devtools/career-growth.md) — Provides structured educational resources and guides to assist software engineers in professional development and career progression. ### DevOps & Infrastructure - [Asynchronous Task Groups](https://awesome-repositories.com/f/devops-infrastructure/task-queues/asynchronous-task-groups.md) — Tracks the progress of multiple concurrent operations across different queues and triggers a notification when all background tasks finish. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/Russian.md)) ### Security & Cryptography - [Field-Level Access Controls](https://awesome-repositories.com/f/security-cryptography/field-level-access-controls.md) — Restricts access to code entities and data fields to enforce encapsulation and security. ([source](https://github.com/dashvlas/awesome-ios-interview/blob/master/Resources/English.md))