NavigationBarColor.swift

import SwiftUI
import UIKit

struct NavigationBarColor: ViewModifier {

  init(backgroundColor: UIColor, tintColor: UIColor) {
    let coloredAppearance = UINavigationBarAppearance()
    coloredAppearance.configureWithOpaqueBackground()
    coloredAppearance.backgroundColor = backgroundColor
    coloredAppearance.titleTextAttributes = [.foregroundColor: tintColor]
    coloredAppearance.largeTitleTextAttributes = [.foregroundColor: tintColor]
                   
    UINavigationBar.appearance().standardAppearance = coloredAppearance
    UINavigationBar.appearance().scrollEdgeAppearance = coloredAppearance
    UINavigationBar.appearance().compactAppearance = coloredAppearance
    UINavigationBar.appearance().tintColor = tintColor
  }

  func body(content: Content) -> some View {
    content
  }
}