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Mobile & games · #xcode
Learn how to eliminate Xcode configuration drift by moving build settings into version-controlled .xcconfig files and automating builds with xcodebuild.
SwiftUI Previews compress UI feedback loops, but banking apps with navigation and async data need deliberate mock architecture. Here is how to structure preview providers for a dashboard, what breaks, and how to verify the result.
Stop wasting time on build-run cycles. Learn how to use SwiftUI Previews to isolate UI states, test multiple device configurations, and iterate on designs in real-time within Xcode.
Learn how to add and use SwiftUI #Preview blocks in Xcode 15+, understand their sandboxed architecture, and weigh the build‑time and API limitations against rapid UI iteration.
Learn how to incrementally migrate Objective-C projects from Manual Retain Release (MRR) to Automatic Reference Counting (ARC) using per-file compiler flags and Instruments verification.
A technical decision guide comparing Swift Package Manager (SPM) and CocoaPods for Xcode projects, focusing on integration, project structure, and migration risks.
Decide between SwiftUI and UIKit in Xcode 15: constraints, options table, trade‑offs, and a step‑by‑step validation workflow.
Choose the right tool for UI iteration: compare Xcode SwiftUI Previews and the iOS simulator, weigh trade‑offs, and see how to inject mock data for reliable previews.
Xcode’s SwiftUI Previews let you see UI changes instantly, manage state and environment, but they have limits. Learn how to use them effectively and avoid common pitfalls.