question swiftui swift September 13, 2024 How to add a character limit to a TextField in SwiftUI?

To add a character length limit to a TextField in SwiftUI, you can use a combination of Swift’s .onChange, .onPasteCommand modifier, and string manipulation to limit the number of characters the user can enter.

question swiftui swift September 8, 2024 How to make Squircle shape in SwiftUI and how to easily convert it to a circle or a rectangle?

To create a squircle shape (a combination of a square and a circle, also known as a superellipse) in SwiftUI, you can define a custom shape by conforming to the Shape protocol and implementing the superellipse formula. The formula for a superellipse is:

question swiftui swift September 8, 2024 How to loop through an enum in SwiftUI?

In SwiftUI, looping through an enum is not directly possible without some extra work because enums in Swift don’t inherently support iteration. However, you can achieve this by making the enum CaseIterable, which automatically provides a collection of all cases in the enum.

question swift September 8, 2024 How to convert only the first character to uppercase in a string in Swift?

In Swift, you can make the first character of a string uppercase by using built-in string manipulations or by extending the String type. Here’s an example of both approaches:

question swiftui swift September 7, 2024 How to apply mirroring to any SwiftUI view?

You can apply mirroring to a SwiftUI view by using the scaleEffect(x:y:anchor:) modifier to flip the view horizontally or vertically. Specifically, you can set the x or y scale to -1.0 to mirror the view along that axis.

question swiftui macos September 4, 2024 How to execute some code before app termination in a macOS app using SwiftUI?

To run some code before app termination in a macOS app using SwiftUI, the correct approach would involve placing the termination logic within a view, such as the ContentView. Here’s how you can do it:

question swiftui macos September 3, 2024 Two ways to open a window programmatically in SwiftUI

SwiftUI provides an openWindow environment variable on macOS that allows you to open windows programmatically. Here’s how you can use it to open a new window when a button is clicked:

question swiftui macos September 3, 2024 How to open and close windows programmatically in SwiftUI?

To open or close a window programmatically from outside that window using environment variables, you need to leverage the new openWindow (macOS 13+) and dismissWindow (macOS 14+) environment variables. This environment variables allow you to programmatically open and close a window by its identifier.

question swiftui swift September 2, 2024 Combine in SwiftUI and how you can rewrite the same code using async await

Combine is Apple’s declarative framework for handling asynchronous events and data streams in Swift. Introduced in SwiftUI and iOS 13, Combine leverages reactive programming principles, allowing developers to process values over time and manage complex asynchronous workflows with clarity and efficiency.