How to use flatMap and compactMap in Swift

How to observe optional ObservableObject in SwiftUI

Issue #988

When working with Core Data, there are times we have optional NSManagedObject to pass around. These objects conform to ObservableObject, and in SwiftUI we can’t @ObservedObject on optional ObservableObject

One way we can workaround …

Written by

Khoa Pham

How to clear background for TextField inside list in macOS

Issue #986

When using TextField in SwiftUI List on Mac, it has unwanted background color when focused. We can turn it off using introspection or a custom TextField wrapper

TextField("Search", text: $searchText)
    .introspect(.textField, on: …

Written by

Khoa Pham

How to conditionally render widgets in iOS

Issue #984

The WidgetBundle lets us expose multiple widgets from a single widget extension

It uses WidgetBundleBuilder to constructs a widget bundle’s body.

In iOS 18, if we include ControlWidget then we need to check iOSApplicationExtension iOS 18. …

Written by

Khoa Pham

How to open app with Control Widget on iOS 18

Issue #983

In iOS 18, we can make Control Widget in Widget extension

import WidgetKit
import SwiftUI

@available(iOS 18.0, *)
struct BookControlWidget: ControlWidget {
    var body: some ControlWidgetConfiguration {
        StaticControlConfiguration …

Written by

Khoa Pham