O'Reilly logo

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Screen and UI performance

Book Description

Screen performance accounts for the largest power drain on users’ phones, and the screen serves as the primary interface to your app—this is where slow apps show jank (skipped frames) and slow rendering. This chapter walks through the steps to optimize the UI by making the hierarchy flatter, and how to test for jank and jitter in your app using tools like Systrace.