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Jeroen shares his real-world iOS development journey working on a legacy app at Dawn Technologies. He details his systematic approach to modernizing an 8-year-old codebase that serves as a critical tool for companies.• Breaking down a monolithic App Delegate into dedicated managers with single responsibilities• Leveraging the existing feature flag system to safely deploy new implementations• Refactoring the walkie-talkie functionality with real-time audio streaming over WebSockets• Completely rewriting the chat system to use a modern service-based architecture• Overhauling the location tracking system to use iOS 17's new async location tracking APIs• Implementing WiFi settings fixes for iOS 16 compatibility using modern APIs• Maintaining a cleanup branch to remove deprecated APIs and fix compiler warningsCheck out Do iOS, the iOS development conference I'm organizing later this year. Visit do-ios.com for more information and tickets - link in the show notes.
Join me in Amsterdam for Do iOS 2025, tickets and details available now.
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