Swift

Why Use NSCache in SwiftUI?

SwiftUI does not currently provide a built-in caching mechanism, even though caching is often essential for scenarios such as: While we might consider other solutions, NSCache is a robust option. However, NSCache stipulates that both its keys and values must be objects (AnyObject). This poses a barrier in SwiftUI projects where data is frequently represented […]

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iOS – Obtaining the colour value of a specified pixel in a UIImage

To obtain the color value of a specified pixel in a UIImage, we can use the following code snippet in Swift: This code snippet is an extension of UIImage that adds a method called getPixelColor that takes a CGPoint as an argument and returns a UIColor object that represents the colour of the specified pixel.

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