冷启动
Asked on 03/05/2025
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It seems like you're interested in the topic of "cold start" or "app launch performance." At WWDC, there were several sessions that touched on improving app launch times and diagnosing performance issues.
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What’s new in Xcode 16: This session discusses tools like Instruments and the new flame graph feature, which can help diagnose performance problems, including slow app launches. You can learn more about these tools in the What's new in Instruments chapter.
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Xcode essentials: This session highlights the importance of efficient debugging and testing, which can indirectly affect app launch performance. The Explore the Organizer chapter discusses how to use the Organizer to analyze app performance, including launch times.
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Migrate your app to Swift 6: This session explains how Swift's lazy initialization of global variables can improve launch times by avoiding unnecessary work at startup. This is covered in the Shared mutable state in global variables chapter.
These sessions provide insights and tools to help diagnose and improve app launch performance, which is crucial for a better user experience.
Meet the next generation of CarPlay architecture
Dive into the architecture for the next generation of CarPlay. Learn how your vehicle system works with iPhone to create a single cohesive experience that showcases the best of your car and iPhone. Learn how UI is rendered and composited, and explore ways to configure and customize a special experience for each vehicle model. This session is intended for automakers and system developers interested in the next generation of CarPlay.
Run, Break, Inspect: Explore effective debugging in LLDB
Learn how to use LLDB to explore and debug codebases. We’ll show you how to make the most of crashlogs and backtraces, and how to supercharge breakpoints with actions and complex stop conditions. We’ll also explore how the “p” command and the latest features in Swift 6 can enhance your debugging experience.
What’s new in location authorization
Location authorization is turning 2.0. Learn about new recommendations and techniques to get the authorization you need, and a new system of diagnostics that can let you know when an authorization goal can’t be met.