How to specify year in date formatter in Swift

How to group sub views with separator in SwiftUI

Issue #1015

Building a container view that wraps child views and places dividers between them sounds simple. But until iOS 18, SwiftUI didn’t give us a clean way to iterate over child views. Let’s look at how this problem was solved …

Written by

Khoa Pham

How to iterate sequence in Swift

Issue #1014

You need to loop through arrays, make sequences, change data, and repeat tasks. Swift has many ways to do this beyond the basic for loop. Knowing your options helps you write clearer code.

The Standard For Loop

The for-in loop handles the …

Written by

Khoa Pham

How to use custom UIKit trait in SwiftUI

Issue #1013

iOS 17 gave us custom UIKit traits. You can now propagate values through your view hierarchy using the trait collection system. But getting those same values into SwiftUI requires a bridge. The UITraitBridgedEnvironmentKey protocol …

Written by

Khoa Pham

How to handle popup with WKWebView

Issue #1011

You’re building an iOS app with embedded web content. Everything works perfectly until your users need to authenticate through a third-party provider — the popup gets blocked, or the callback never makes it back.

WKWebView’s …

Written by

Khoa Pham