Swift
UIView Gradient Background in Swift
Learn how to create a UIView with a gradient background in Swift.
Robert Pieta
iOS developer since 2009. I've built top ranking apps and learned a lot about Swift along the way. I regularly post Swift examples with many more articles in progress. Follow Advanced Swift!
Swift
Resize UICollectionViewCells On Rotation In Swift
Learn how to resize UICollectionViewCells and refresh the UICollectionView layout on rotation in Swift.
Swift
Self-Sizing, Full-Width UICollectionViewCells in Swift
Learn how to implement UICollectionViewCells with a constant width and autosizing height.
Swift
UIIBSystemGenerated: Breaking Constraint
Is Xcode AutoLayout breaking on a UIIBSystemGenerated constraint. Find out why!
iOS
Xcode Instruments Performance Profiling and Optimization with Counters
A walkthrough of Counters, an Instruments tool to reliably find performance improvements in apps.
Swift
Random Numbers and Random Number Generators In Swift
Learn how to generate random numbers, get random elements from an array, set a seed, and more random related logic in Swift.