Code Block swift| // |
| // SceneDelegate.swift |
| // |
| // Created by Egor Merkushev on 11.07.2020. |
| // Copyright © 2020 Egor Merkushev. All rights reserved. |
| // |
|
| import UIKit |
| import SwiftUI |
| import CoreData |
|
| extension UIView { |
| func findViews<T: UIView>(subclassOf: T.Type) -> [T] { |
| return recursiveSubviews.compactMap { $0 as? T } |
| } |
|
| var recursiveSubviews: [UIView] { |
| return subviews + subviews.flatMap { $0.recursiveSubviews } |
| } |
| } |
|
| class SceneDelegate: UIResponder, UIWindowSceneDelegate { |
|
| var window: UIWindow? |
|
| public static func vc<T: UIViewController>(vcKind: T.Type? = nil, window: UIWindow?) -> T? { |
| if let vc = window?.rootViewController as? T { |
| return vc |
| } else if let vc = window?.rootViewController?.presentedViewController as? T { |
| return vc |
| } else if let vc = window?.rootViewController?.children { |
| return vc.lazy.compactMap { $0 as? T }.first |
| } |
| return nil |
| } |
|
| func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) { |
| // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`. |
| // If using a storyboard, the `window` property will automatically be initialized and attached to the scene. |
| // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead). |
| |
| // Get the managed object context from the shared persistent container. |
| let context = (UIApplication.shared.delegate as! AppDelegate).persistentContainer.viewContext |
|
| // Create the SwiftUI view and set the context as the value for the managedObjectContext environment keyPath. |
| // Add `@Environment(\.managedObjectContext)` in the views that will need the context. |
| let contentView = ContentView().environment(\.managedObjectContext, context) |
| |
| // Use a UIHostingController as window root view controller. |
| if let windowScene = scene as? UIWindowScene { |
|
| // hide title bar for macOS |
| #if targetEnvironment(macCatalyst) |
| if let titlebar = windowScene.titlebar { |
| titlebar.titleVisibility = .hidden |
| titlebar.toolbar = nil |
| } |
| #endif |
|
| let window = UIWindow(windowScene: windowScene) |
| window.rootViewController = UIHostingController(rootView: contentView) |
| self.window = window |
| window.makeKeyAndVisible() |
| |
| let dispatchTime: DispatchTime = DispatchTime.now() + Double(Int64(0.1 * Double(NSEC_PER_SEC))) / Double(NSEC_PER_SEC) |
| DispatchQueue.main.asyncAfter(deadline: dispatchTime, execute: { |
| let vc = type(of: self).vc(vcKind: UISplitViewController.self, window: window) |
| if let split = vc { |
| split.primaryBackgroundStyle = .sidebar // this line changes style and adds visual effect with blur |
| |
| if let sidebarController = split.viewControllers.first { |
| sidebarController.view.recursiveSubviews.forEach { (view) in |
| if view.backgroundColor != nil { |
| view.backgroundColor = .clear // aggressively makes all opaque views transparent, you can change it to fix only hosting view of SwiftUI in this sidebar controller |
| } |
| } |
| } |
| } |
| }) |
| } |
| } |
|
| ... |
