PerformanceGetting started4 min read
Profiling an iPhone when you do not have a Mac
Instruments runs only on macOS and needs your project open. What a team on Windows can use to find out why an app is slow on a real device.
Articles on iOS debugging, performance optimization, file management and power analysis, plus product updates.
PerformanceGetting started4 min read
Instruments runs only on macOS and needs your project open. What a team on Windows can use to find out why an app is slow on a real device.
Exception types, the crashed thread, symbolication, and the two entries in the crash list that are not crashes at all.
A checklist for bugs that reproduce on only one device: iOS version, storage, temperature, battery health, profiles and settings people forget to check.
PerformanceQA3 min read
Why an average FPS hides stutter, how to read a frame drop against CPU, GPU and memory, and the five causes behind most mobile stutter.
EnergyPerformance3 min read
"Your app drains my battery" arrives with no timestamps and no steps to reproduce. A method for checking whether it is true, and what is responsible.
12 articles in total