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swift

A collection of 30 issues

Recreating The iOS Timer App In SwiftUI

Today's tutorial will focus on using SwiftUI to recreate the UI and functionality of the iOS Timer. We'll construct each of the UI components individually, build out the ViewModel, and then we'll bring everything together. The source code for this project is available here.

How To Create a PDF In A WKWebView

In this article, we'll see how we can save the contents of a WKWebView as a PDF using Swift 5.

Using The Proxy Pattern In Swift 5

Today, we'll take a closer look at the proxy design pattern. We'll get the formal definition out of the way quickly and then we'll jump into some practical examples. What Is The Proxy Pattern? The proxy pattern is a structural pattern that helps you

Rate Limiting on iOS

Whenever you enter an address into Google Maps or search for a video on YouTube, you may have noticed that the auto-complete suggestions update at regular intervals rather than with every change to the search query. When you consider the scale of these platforms, limiting requests in this manner is

Using .allSatisfy in Swift

You'll often find yourself in a position where you need to check if a particular condition applies across a collection of objects. Luckily, Swift provides the allSatisfy() method to handle just that. Let's say we want to write a function to verify that a student has

Understanding Misaligned Images in the iOS Simulator

Today, we'll discuss this setting in more detail and we'll see how we can improve our app's rendering performance by addressing issues related to misaligned images. I've been making iPhone apps for years, but I've never really investigated this feature.

Automatically update if let and guard let for Swift 5.7

If you've seen the WWDC What's new in Swift? [https://developer.apple.com/videos/play/wwdc2022/110354/] video, you've likely seen the updates to the if let and guard let syntax. Prior to Swift 5.7, it was common to unwrap an Optional variable

Native QR Code Generation in Swift

Let's see how we can use native Swift code to generate a variety of different barcode and QR code types.

Improved Type Safety With SwiftGen

We'll see how we can use SwiftGen to add type-safety to our project's resources and enable us to write cleaner code.

Easier Code Review With Pre-Commit Hooks

In this article, we'll see how we can use Git hooks to establish a common set of checks and balances for our team and simplify the code review process.