Uploaded June 2026 | Updated September 2026, 1 week ago

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Discover how to build a camera app that launches instantly so people never miss the perfect shot. Explore how to optimize the entire camera launch sequence — from app startup to first preview frame. Ensure your app has a polished camera experience by learning about new API’s that deliver faster launches, and best practices for smooth preview rendering and maintaining sustainable performance.

Explore related documentation, sample code, and more:
Performance and metrics: developer.apple.com/documentation/Xcode/performance-and-metrics
Build a responsive camera app that launches quickly: developer.apple.com/documentation/AVFoundation/build-a-responsive-camera-app-that-launches-quickly
AVCam: Building a camera app: developer.apple.com/documentation/AVFoundation/avcam-building-a-camera-app
Implement high resolution photo capture: developer.apple.com/videos/play/wwdc2026/304
Create a more responsive camera experience: developer.apple.com/videos/play/wwdc2023/10105

00:00 - Introduction
02:02 - Fast Launch
06:52 - Adopt deferred start
15:06 - Steady preview
18:04 - Sustained performance
21:14 - Deterministic file writing

More Apple Developer resources:
Video sessions: apple.co/VideoSessions
Documentation: apple.co/DeveloperDocs
Forums: apple.co/DeveloperForums
App: apple.co/DeveloperApp