SwiftUI Segment Control Example

SegmentControl.swift

//
//  ContentView.swift
//  Pop
//
//  Created by KUTAN ÇINGISIZ on 6.06.2019.
//  Copyright © 2019 KUTAN ÇINGISIZ. All rights reserved.
//

import SwiftUI

struct ContentView : View {
    // Selected segment Index
    @State var segmentIndex = 0
    
    var colors = ["Red", "Green", "Blue"]
    var subColors = [
        ["Red 1", "Red 2", "Red 3"],
        ["Green 1", "Green 2", "Green 3"],
        ["Blue 1", "Blue 2", "Blue 3"]
    ]
    
    var body: some View {
        VStack {
            SegmentedControl(selection: $segmentIndex) {
                ForEach(0..<colors.count) { index in
                    Text(self.colors[index])
                }
            }.padding()
            
            List(subColors[segmentIndex].identified(by: \.self)) { item in
                Text(item)
            }
            
            Spacer()
        }
    }
}

#if DEBUG
struct ContentView_Previews : PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}
#endif