iOS App Mastery

SOLID in the Real World: Everyday iOS App Development

PhotoKit: Simplifying Photo Management

PhotoKit and PhotosUI are at the heart of iOS photo management, providing unparalleled access to, display of, and interaction with photo assets. These frameworks are indispensable for anyone aiming to replicate the functionality of the native Photos app or to…

The Economics of End-to-End vs. Unit Testing

When it comes to iOS testing, automation tools are often a topic of heated debate among developers. Yet, stepping away from the technical back-and-forth, it’s the business perspective that frequently tips the scales. In the world of commerce, economics…

Using Core Data In-Memory Store

An in-memory Core Data store operates directly within the app’s memory (RAM), providing a swift and efficient way to access and manage data. As the data resides only in memory, it’s transient and disappears when the app is terminated or the memory store is cleared. This…

MetalKit: Your App’s Performance with GPU Acceleration

For developers seeking to push the boundaries of performance in their iOS and macOS applications, MetalKit stands as a pivotal tool. This framework, building upon Apple’s Metal, simplifies the integration of GPU-powered graphics and…

Optimizing Your Testing Strategy: Unleashing the Test-Beast

Parallelizing test execution & Randomizing Order

If you ever encounter performance issues with your tests (e.g., large test suite), try executing the tests in parallel as it could help to speed up the…

Running Automated Tests via CI Pipelines: GitHub Actions

When it comes to testing, end-to-end tests may not provide immediate feedback compared to unit tests. However, by incorporating a solution that runs both unit and end-to-end tests through an automated continuous integration (CI)…

Using Thread Sanitizer in Tests: Solving Data Races in Concurrency and Multithreading

Data Races

Data races in concurrent programming occur when multiple threads access the same memory location without proper synchronization, leading to…