Number Converter - Day 19: 100 Days of SwiftUI #100daysOfSwiftUI

ContentView.swift

import SwiftUI

struct ContentView: View {
    @State private var numberString = "0"

    private var numberInt: Int {
        Int(numberString) ?? 0
    }

    private var numberHex: String {
        String(numberInt, radix: 16).uppercased()
    }

    private var numberBinary: String {
        String(numberInt, radix: 2)
    }

    var body: some View {
        NavigationView {
            Form {
                Section(header: Text("Decimal Input")) {
                    TextField("Decimal number", text: $numberString)
                        .keyboardType(.numberPad)
                }

                Section(header: Text("HEX Output")) {
                    Text(numberHex)
                }

                Section(header: Text("Binary Output")) {
                    Text(numberBinary)
                }
            }
            .navigationBarTitle("Number Converter")
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}

Number Converter Interface:

Decimal Input, Hex Output, Binary Output
Number pad keyboard