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Automatic conversions between Double and CGFloat values in Swift 5.5

Published 2021-06-16 scaleeffect cgfloat opacity

How the Swift compiler is now able to automatically perform conversions between Double and CGFloat values.

Published 2021-06-24 availability above check

Availability checks let us conditionally use new system APIs and features while still enabling the rest of our code to keep running on older system versions. Le…

Making SwiftUI views refreshable

Published 2021-06-25 refreshable refresh reload

A look at how SwiftUI’s new refreshable modifier can be used to either add pull-to-refresh to a list, or to build completely custom reloading UIs and logic.

Dismissing a SwiftUI modal or detail view

Published 2021-06-30 isshowingdetails messagedetailsview struct

Three different ways to dismiss a SwiftUI view that was presented from another view, including a new API that’s being introduced in iOS 15.

Stroking and filling a SwiftUI shape at the same time

Published 2021-07-14 cornerradius roundedrectangle fill

How to compose multiple SwiftUI views to render a shape that’s both stroked and filled at the same time.

Defining dynamic colors in Swift

Published 2021-08-16 foregroundcolor uicolor colors

Various techniques that let us define fully dynamic colors that adapt to the user’s selected color scheme, using either SwiftUI or UIKit.

Conditional compilation within Swift expressions

Published 2021-09-04 itemlist liststyle within

How Swift 5.5 enables us to conditionally compile postfix member expressions using compiler directives, and what kinds of situations that this new feature could…

Previewing SwiftUI views in landscape

Published 2021-09-26 previewinterfaceorientation menuview previews

How to preview a SwiftUI view in landscape using Xcode 13, and how to enable that new feature to be used within projects that also support previous iOS versions…

Programmatic navigation in SwiftUI

Published 2021-10-02 tabcontroller swiftui within

How we can take direct control over SwiftUI’s navigation system, which enables us to dynamically show and hide views within either a TabView or NavigationView.

Which of the SwiftUI APIs introduced in iOS 15 are backward compatible?

Published 2021-10-11 compatible swiftui backward

Let’s take a look at which of the new SwiftUI APIs that are backward compatible with earlier OS versions, and what language features that made that possible.