UI & Design

Build beautiful, performant interfaces with expert guidance on the latest Apple design systems and testing practices.

Skills

• Liquid Glass – Apple's new material design system (iOS 26+) with expert review checklist

  • "I'm implementing Liquid Glass but the lensing effect looks like regular blur. What am I missing?"
  • "How do I ensure text contrast and legibility while using Liquid Glass?"

• SwiftUI Performance – Master the new SwiftUI Instrument in Instruments 26, identify bottlenecks with Cause & Effect Graph

  • "My animations stutter and scrolling is janky. How do I know if SwiftUI is the bottleneck?"
  • "Views are updating way too often even though their data hasn't changed."

• SwiftUI Debugging – View updates, preview crashes, layout issues with diagnostic decision trees and 3 real-world examples

  • "List item doesn't update even though the data changed."
  • "Preview keeps crashing with mysterious dependency errors."

• UI Testing – Recording UI Automation (Xcode 26) and condition-based waiting for reliable tests

  • "Tests pass locally but fail in CI with no obvious reason."
  • "How do I replace sleep() timeouts with reliable condition-based waiting?"