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iOS重新开始

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重新添加rootview

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// SceneDelegate.swift

    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).
        let tmpScene = (scene as? UIWindowScene)
        if ((tmpScene) != nil) {
            window = UIWindow.init(windowScene: tmpScene!)
            let viewCotroller = HomeViewController()
            let navigationViewController = UINavigationController.init(rootViewController: viewCotroller)
            navigationViewController.navigationBar.barTintColor = WXTools.ColorHex("#213241")
            window?.rootViewController = navigationViewController
            window?.makeKeyAndVisible()
        } else { return }
    }

布局从nav以下开始

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self.navigationController?.navigationBar.isTranslucent = false

去掉nav下面的横线

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//        去除下划线
        self.navigationController?.navigationBar.setBackgroundImage(UIImage(), for: .default)
        self.navigationController?.navigationBar.shadowImage = UIImage()

nav

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// 状态栏高度
let statusBarHeight = UIApplication.shared.statusBarFrame.height
// nav高度
let navigationBarHeight = (navigationController?.navigationBar.frame.height)!

移除SceneDelegate

1.修改Info.plist

移除如下信息

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<key>UIApplicationSceneManifest</key>
<dict>
	<key>UIApplicationSupportsMultipleScenes</key>
	<false/>
	<key>UISceneConfigurations</key>
	<dict>
		<key>UIWindowSceneSessionRoleApplication</key>
		<array>
			<dict>
				<key>UISceneConfigurationName</key>
				<string>Default Configuration</string>
				<key>UISceneDelegateClassName</key>
				<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
				<key>UISceneStoryboardFile</key>
				<string>Main</string>
			</dict>
		</array>
	</dict>
</dict>

2.删除SceneDelegate.swift文件

3.修改AppDelegate.swift文件

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import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

var window: UIWindow?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.
        self.window = UIWindow(frame: UIScreen.main.bounds)
        self.window?.backgroundColor = UIColor.white
        self.window?.rootViewController = ViewController()
        self.window?.makeKeyAndVisible()
        return true
    }

}

snap

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