React Native performance boundaries
A chat screen built with React Native is slow on iOS. How do you separate whether the bottleneck is JavaScript rendering, calls across the native boundary, or a native module?
React Native performance boundaries
A chat screen built with React Native is slow on iOS. How do you separate whether the bottleneck is JavaScript rendering, calls across the native boundary, or a native module?
Performance and debuggingShort answerBasics
All you've got is vague feedback that "the app is slow." How do you approach that with In…
#profiling
Performance and debuggingShort answerBasics
You're asked to "optimize this function, it's slow." What do you do before you touch the …
#profiling
Performance and debuggingMultiple choiceIntro
You want to measure app performance as the basis for optimization. Which are correct meas…
#profiling
Performance and debuggingShort answerBasics
Reviews of your shipped iOS app say it occasionally stops responding to touch for a few s…
#profiling