Android Tutorial #20: App Performance — Baseline Profiles, Startup, ANR
Your app launches in 3 seconds. Users see a white screen. They close the app. Your retention drops. Performance is not optional. Google Play ranks apps by performance metrics. Users uninstall apps that feel slow. The difference between a 1-second and 3-second startup can be a 50% drop in engagement. In this tutorial — the final one in the series — you will learn how to measure and optimize your app’s performance using Baseline Profiles, Macrobenchmark, and modern profiling tools. ...