Launch A Camera App Quickly With Deferred Start
Read OriginalThis article explains how to improve iOS camera app launch performance by prioritizing the first preview frame over secondary features. It covers splitting startup work into preview-critical and deferrable tasks, keeping AVCaptureSession setup off the main thread, and using Apple's deferred start APIs introduced in WWDC26. The guide includes code examples for SwiftUI/UIKit, best practices for session configuration, and warnings about beta API availability. Targeted at iOS developers seeking to reduce blank-screen time and deliver responsive camera experiences.
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