Tagged articles
2 articles
Page 1 of 1
Sohu Tech Products
Sohu Tech Products
Jan 2, 2019 · Mobile Development

iOS Performance Optimization: A New Method for Calculating Multi-line UILabel Height

This article introduces a novel approach to compute the height of multi‑line UILabels on iOS by pre‑caching character widths per font, demonstrates its implementation in Swift, compares performance against the system boundingRect method through extensive benchmarks, and shows significant speed improvements in real‑world app scenarios.

SwiftUILabeliOS
0 likes · 13 min read
iOS Performance Optimization: A New Method for Calculating Multi-line UILabel Height