Building Custom Views with SwiftUI

Learn about the tips and tricks for advanced users on how to build custom views

Photo by Harpal Singh on Unsplash

SwiftUI is a powerful tool for building user interfaces, but sometimes the built-in views and modifiers aren’t enough to create the custom views you need.

Let’s explore some tips and tricks for advanced SwiftUI users who want to build custom views.

Tip 1: Use GeometryReader to Create Responsive Views

Creating a responsive view that adapts to different screen sizes can be challenging, but SwiftUI provides the GeometryReader view that can help. The GeometryReader view provides access to the size and position of the parent view, which you can use to create a responsive layout. Here's an example:

struct ResponsiveView: View {
    var body: some View {
        GeometryReader { geometry in
            VStack {
                Text("Width: \(geometry.size.width)")
                Text("Height: \(geometry.size.height)")
            }
        }
    }
}

In this example, we use the GeometryReader view to create a VStack that displays the width and height of the parent view. The geometry parameter provides access to the size of the parent view, which we use to display the width and height.