Translucent_background_for_fullScreenCover.md

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ATTENTION: This is a demo - use it as you wish. Reference is appriciated.
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Q: SwiftUI: Translucent background for fullScreenCover (by Son Nguyen)

A: Here is a demo of possible way. Parameters of visual effect you can tune for your needs.

Tested with Xcode 12 / iOS 14.

     // ... other code
      .fullScreenCover(isPresented: $isLoading) {
        ZStack{
          Color.black.opacity(0.5).edgesIgnoringSafeArea(.all)
          VStack {
            ProgressView()
            Button("Stop loading") {
              isLoading.toggle()
            }
          }
        }
        .background(BackgroundBlurView())
      }
    }
  }
}

struct BackgroundBlurView: UIViewRepresentable {
  func makeUIView(context: Context) -> UIView {
    let view = UIVisualEffectView(effect: UIBlurEffect(style: .light))
    DispatchQueue.main.async {
      view.superview?.superview?.backgroundColor = .clear
    }
    return view
  }

  func updateUIView(_ uiView: UIView, context: Context) {}
}