SpeedometerContentView.swift

import SwiftUI

struct ContentView: View {
  @StateObject var dataModel = DataModel.shared
  var body: some View {
    VStack {
      Text(String(format: "%.f", dataModel.speed))
        .font(.system(size: 400))
        .minimumScaleFactor(0.2)
        .frame(maxWidth: .infinity, maxHeight: .infinity)
      Toggle("KPH", isOn: $dataModel.isKPH)
        .frame(width: 150)
    }
  }
}