Performance and debugging
App launch time
You take over an app whose cold start takes more than 3 seconds. How would you split up and measure the launch time?
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App lifecycle and systemShort answerBasics
From the moment the app icon is tapped on the home screen until the first screen is drawn…
#launch-time #dyld #pre-main #app-launch
Performance and debuggingMultiple choiceAdvanced
Which of these actually reduce the pre-main part of app launch (before main() is called)?…
#launch-time #dyld #pre-main
Build and distributionShort answerExpert
Your app embeds 40 dynamic frameworks. What gets better and what gets worse if you switch…
#launch-time #dyld
Performance and debuggingMultiple choiceExpert
Which of these can an app actually receive through MetricKit (MXMetricManager)? Select al…
#launch-time