iOS

Swift

Capture Javascript Errors From a WKWebView in Swift

Learn how to capture Javascript errors using WebKit Message Handlers in Swift and the Safari Web Inspector

Swift

WKWebView Javascript Alerts on iOS and macOS in Swift

Learn how to support Javascript alerts, confirmation, and prompts on iOS and macOS using a WKWebView and Swift

Swift

UICollectionViewCell with Rounded Corners and Drop Shadow in Swift

Learn how to add a drop shadow and rounded corners to a UICollectionViewCell in Swift

Swift

Convert a String into an Int, Float, Boolean, and Data in Swift

Learn how to transform a String into an Int, Double, Float, Bool, and Data in Swift

Swift

Download Image or File From URL In Swift 5 Using URLSession

Download and save files and images to a cache in Swift without Cocoapods.

Swift

How To Parse JSON in Swift Using Codable and JSONSerialization

Parse, encode, and decode between JSON, Dictionary, and Array in Swift.

Swift

Concurrent API Calls in Swift

Learn how to make multiple, simultaneous HTTP requests in Swift.

Swift

Core Data String Queries Using NSPredicate In Swift

Learn how to find an exact string, regex search, and more in Core Data.

Swift

Full-Screen iOS Loading Animation in Swift

Learn how to fade-in a loading animation with spinning activity indicator.

Swift

Lighter and Darker UIColors in Swift

Implement a UIColor extension to get lighter and darker colors from a UIColor.

Swift

Formatting UTC and Local Dates in Swift

Print, format, and parse UTC and local timezone Dates in Swift.

Swift

URLSession GET and POST HTTP Requests in Swift

Learn how to make GET and POST HTTP requests in Swift using URLSession, including setting HTTP headers and body parameters.