swiftui -如何避免“无法同时满足约束”错误？

struct ContentView: View {
    var body: some View {
        VStack {
            Text("Hello, World!")
                .frame(width: 200, height: 100)
        }
        .frame(maxWidth: .infinity, maxHeight: .infinity)
        .background(Color.gray)
    }
}

struct ContentView: View {
    var body: some View {
        GeometryReader { geometry in
            VStack {
                Text("Hello, World!")
                    .frame(width: geometry.size.width * 0.8, height: geometry.size.height * 0.5)
            }
            .frame(maxWidth: .infinity, maxHeight: .infinity)
            .background(Color.gray)
        }
    }
}

struct ContentView: View {
    var body: some View {
        HStack {
            Text("Hello, World!")
                .frame(width: 200, height: 100)
            Spacer()
        }
        .frame(maxWidth: .infinity, maxHeight: .infinity)
        .background(Color.gray)
    }
}

struct ContentView: View {
    var body: some View {
        ZStack {
            Color.gray
                .edgesIgnoringSafeArea(.all)
            VStack {
                Text("Hello, World!")
                    .frame(width: 200, height: 100)
            }
        }
    }
}