How to align elements on ZStack in SwiftUI?

Question

Problem

I am trying to create a view of a card with a symbol in the middle. I tried to achieve this by creating a ZStack. However, despite using .center alignment, the symbol always show in the top left.

Code

In the following code, the contentShape shows on the top-left despite alignment setting.

 ZStack(alignment: .center) { let baseShape = RoundedRectangle(cornerRadius: 10) let contentShape = Rectangle() .size(width: width, height: height) .foregroundColor(getContentColor(color: card.color)) baseShape.fill().foregroundColor(.white) baseShape.strokeBorder(lineWidth: 3, antialiased: true) contentShape }

Question

How do I properly align the contentShape at the center of the ZStack?

Asperi · Accepted Answer · 2022-02-14 19:20:29Z

You need to use frame instead of size, because size is just for path drawing within provided rect, but rect here is entire area, so to fix use

ZStack(alignment: .center) { let baseShape = RoundedRectangle(cornerRadius: 10) let contentShape = Rectangle() .frame(width: width, height: height) // << here !! .foregroundColor(getContentColor(color: card.color)) baseShape.fill().foregroundColor(.white) baseShape.strokeBorder(lineWidth: 3, antialiased: true) contentShape }

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How to align elements on ZStack in SwiftUI?

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