how to change the screen color xcdoe code example

Example 1: swiftui background color

Group {
	//Views inside the highest view in the hierarchy
}.background(Color.red.edgesIgnoringSafeArea(.all))

Example 2: how to set the stack color in swiftui

struct ContentView: View {
    var body: some View {
        ZStack {
            Color.red
            .edgesIgnoringSafeArea(.all)
        }
    }
}