SwiftUI: Layout & Interfaces

Nov 18 2021 · Swift 5.5, iOS 15, Xcode 13

Part 2: Aligning Views

15. ZStacks

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Previous episode: 14. Challenge: Custom Alignment Guides Next episode: 16. GeometryReader

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Notes: 15. ZStacks

This course was originally recorded in 2019. It has been reviewed and all content and materials updated as of October 2021.

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Now that you’ve mastered the first two dimensions, with HStacks and VStacks, it’s time to tackle the third!

    ZStack {
      Image("RWStack")

ZStack(alignment: .) {

ZStack(alignment: .bottomLeading) {

          .foregroundColor(.brightSeafoam)
      }
        .padding()
    }

struct ContentView: View {
  let gradient = LinearGradient(
    gradient: <#T##Gradient#>, startPoint: <#T##UnitPoint#>, endPoint: <#T##UnitPoint#>)

  var body: some View {

    gradient: Gradient(
      stops: [

      ]
    ), startPoint: <#T##UnitPoint#>, endPoint: <#T##UnitPoint#>)

.init(color: .brightSeafoam, location: <#T##CGFloat#>)

.init(color: .brightSeafoam, location: 3 / 8)

.init(color: .brightSeafoam, location: 3.0 / 8),

.init(color: .darkSeafoam, location: <#T##CGFloat#>)

.init(color: .darkSeafoam, location: 1)

      ]
    ),
    startPoint: .topTrailing, endPoint: <#T##UnitPoint#>)

    ),
    startPoint: .topTrailing, endPoint: .bottom
  )

      }
        .padding()
    }
      .overlay(gradient)
  }

      .overlay(gradient)
      .blendMode(.multiply)
  }

      Image("RWStack")
        .resizable()
        .scaledToFit()
        .overlay(gradient)
        .blendMode(.multiply)

      VStack(alignment: .leading) {

        .scaledToFit()

      gradient
        .blendMode(.multiply)

      VStack(alignment: .leading) {

        .blendMode(.multiply)
        .layoutPriority(-1)

      VStack(alignment: .leading) {

ZStack(alignment: .center) {

          .foregroundColor(.brightSeafoam)
      }
    }

          .foregroundColor(.brightSeafoam)
      }
        .alignmentGuide(HorizontalAlignment.center)
    }

.alignmentGuide(HorizontalAlignment.center) { $0[.trailing] }

VStack(alignment: .trailing) {

        .alignmentGuide(HorizontalAlignment.center) { $0[.trailing] }
        .alignmentGuide(VerticalAlignment.center) { $0[.top] }
    }