Question 187709 in IOS Swift Question posted in
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Ios swift – Is there a better way to use repeated Spacers in Swift UI?

I want to display a View in the top 1/3 of the screen. In order to do so, I manipulate it as so:

var body: some View {
 VStack{
  Spacer()
  Text("I like chipotle")
  Spacer()
  Spacer()
 }
}

While that works for smaller examples, I wonder if there is a more declarative way to do this so if I for example want to put a view in the top 1/6 of a screen? I think about flex box where you can set the flex value of specific children to make them take up different percentages.

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2

Answers


  1. 0

    Maybe you mean something like this:

    struct ContentView: View {

    let partOfScreen: CGFloat = 1/3

    var body: some View {
        GeometryReader { geo in
            VStack(spacing: 0) {
                Text("I like chipotle")
                    .padding(.top, geo.size.height * partOfScreen)
                Spacer(minLength: 0)
            }
        }
    }
}

    You can add .ignoresSafeArea(.all) on GeometryReader if the entire screen area is needed

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  2. 0

    No need for any Spacer You can directly assign the size to a view relative to its parent using the GeometryReader:

    GeometryReader { proxy in
    Text("I like Chipotle")
        .frame(height: proxy.size.height/3.rounded())
    }
}

    💡 Quick Tip

    Always try to round position and size values. Otherwise, it will heavily impact the render engine to render fractional pixels and you may experience lags and drop frames.

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