How do i change the font size with still the same font in Swiftui

Question

iam trying to change the font size of an Textlabel so that i still have the same font. Every option i tried also changed the font to the basic one, but i want to use Headline or make the Text fat.

Answer 1

Are you looking for something like this?

import SwiftUI

struct ContentView: View {
    
    @State private var fontSize: CGFloat = 16
    
    var body: some View {
        VStack {
            Text("Hello, world!")
                .font(.system(size: fontSize))
            .padding()
            
            Button("Change font") {
                fontSize += 2
            }
        }
    }
}

This increases the font size if you click the button. You can, of course, use all kinds of methods to change the fontSize property.

It's not a headline any more, but that is, as far as I understand the apple documentation, a specific font size and font weight for the system font. You can always try the different kind of font weights to mimic the headline thickness.