An Apple like card view in SwiftUI

CardView.swift

//
//  CardView.swift
//
//  Created by Ernest Cunningham on 27/05/20.
//

import SwiftUI

struct CardView<CardContent: View>: View {
    @Environment(\.colorScheme) var mode

    let cardContent: () -> CardContent
    let shadowColour: Color
    let cardFill: Color
    
    init(@ViewBuilder cardContent: @escaping () -> CardContent,
                      shadowColour: Color = .shadowColor(),
                      cardFill: Color = .backgroundColor()) {
        
        self.cardContent = cardContent
        self.shadowColour = shadowColour
        self.cardFill = cardFill
        
    }
    
    var body: some View {
        ZStack {
            RoundedRectangle(cornerRadius: 15, style: .continuous)
                .fill(cardFill)
                .shadow(color: shadowColour, radius: 12).opacity(0.3)
                
            VStack {
                cardContent()
            }
            .padding(20)
            .multilineTextAlignment(.center)
            
        }.frame(maxWidth: 100001, maxHeight: 200, alignment: .center)
            .padding(20)
    }
}

struct CardView_Previews: PreviewProvider {
    static var previews: some View {
        Group {
            CardView(cardContent: {
                Text("Title").font(.title)
                Text("SubTitle").font(.subheadline)
            }, shadowColour: .gray, cardFill: .white)
            .environment(\.colorScheme, .light)
            
            CardView(cardContent: {
                Text("Dark Mode").font(.title)
                Text("With Text").font(.subheadline)
            }, shadowColour: .gray)
            .environment(\.colorScheme, .dark)
        }
        
    }
}