OrchardNest

Supporting undo/redo operations within your SwiftUI app.

The new focus API in iOS 15 is very nice. I have found using KeyPaths for settings and responding to focus changes is a helpful shortcut and avoids the additional boilerplate of defining a custom focus enum for every View.

There are multiple ways to handle sidebar driven navigation on macOS with SwiftUI. I have found using a selection binding to be the most robust solution.

We can easily pass and use mutable Observable objects to the environment but we are unable to do the same for Bindings. @EnvironmentBinding enables us to use binding based environment values with the same syntax as if they were passed to...

Sometimes our apps contain some heavy arithmetic work that would be ideal to run in parallel on our users GPUs. But we don't want to bother learning and implementing them in Metal. MPSGraph might give you the tools you need to evaluate...

The swift compiler does not let us define mutable static properties on generic types or in protocol extensions however using the `ObjectIdentifier` we can find a solution for this limitation.

How to access and modify the current document from menu items in SwiftUI.

A clean way to add polymorphic Codable support to Swift, avoiding the typical repeated custom decode/encode logic that slows us all down.

We sometimes need to add a little bit of custom encoding logic. Property Wrappers enables this while still maintaining the very helpful automatic conformance to Codable provided by the Swift compiler.

Drag based list re-ordering in SwiftUI on macOS adds a delay to all click operations such as focusing on a text field. In this post I describe how to add drag handles that allows us to avoid this focus delay and still use the simple...

How to programatically summon the SplitView slide-over sidebar on iPadOS to enable effective state restoration in SwiftUI applications.

Double Column Navigation in SwiftUI Document based apps is unfortunately not as straight forward as one might expect.

A new way of passing values to the commands section of a SwiftUI app even when the user is not focused on a text field.

Exploring how to access the hosting UIWindow & NSWindow in SwiftUI exposing its attributes and methods to your app.

How to access and modify the current document from menu items in SwiftUI.

Handing a dynamic Binding to an Array in SwiftUI. So that users and seemly edit new items.

How to add custom information and copyright to your app's About window on macOS Big Sur when using the SwiftUI app lifecycle.

Integrate with UndoManager in SwiftUI by building a reusable UndoProvider view that can be used with any Binding.

Add RawRepresentable conformance to a custom type that represents a setting or a view state in SwiftUI to be able to save it in AppStorage or SceneStorage.

How to add placeholder text to the new iOS 14 TextEditor view, that doesn't support placeholder by default.

Let users preview various file formats such as Images, Live Photos, PDFs etc. in your SwiftUI app using QuickLook framework.

Exploring how to add support for local network privacy if, for example, your app uses URLSession to access local servers.

Programmatically scroll SwiftUI ScrollView to a new item by combining the new APIs in iOS14: ScrollViewReader and onChange view modifier.

How to use the new iOS 14 @SceneStorage property to implement simple but powerful state restoration in SwiftUI.

An example realtime social network written with Django Channels Rest Framework that lets you subscribe in realtime to a hashtag.

How to implement a text field that can automatically resize if the text doesn't fit on one line.

In this article we will look into how to create a custom hover effect in SwiftUI and how to abstract this logic into a reusable view modifier.

How to view and manage files created by your app on the simulator, for example browse the Documents folder or Core Data SQLite Database.

Programmatically scroll SwiftUI List to a particular item, using the fact that its internal implementation is based on UITableView in iOS 13.

How to navigate to a list item by default on app launch to avoid showing an empty detail view on iPad or for state restoration.

Publishing database changes to subscribed WebSocket clients using Django Channels Rest Framework.

Looking into the differences of programmatically dismissing the detail view on iPhone and in a split view on iPad.