ios - 在 SwiftUI 中创建项目后，我们可以将 Root View Controller 更改为 Storybord 吗？

Question

我曾尝试遵循

1. 替换SceneDelegate中的以下代码

   let window = UIWindow(frame: UIScreen.main.bounds)
   window.rootViewController = UIHostingController(rootView: ContentView())
   self.window = window
   window.makeKeyAndVisible()
   

相反

guard let _ = (scene as? UIWindowScene) else { return }

还将主界面设置为 Storyboard和入口点。

Issue : Getting black screen after launch Launching screen

Answer 1

使用 Xcode 11 beta 3，我可以通过以下步骤可靠地将 Storyboard用作新 SwiftUI 项目中的 Root View Controller :

1. 注释掉 SceneDelegate 的 scene(willConnectTo:) 函数中的代码。

2. 创建一个新的 Main.storyboard，添加一个 View Controller ，并在其上设置“Is Initial View Controller”。

3. 选择 iOS 目标的 Info.plist，右键单击“打开为”->“源代码”。

4. 添加 UISceneStoryboardFile 和 UIMainStoryboardFile 键，如下所示:

在目标的部署信息部分中设置主界面仅设置 UIMainStoryboardFile 键，但我必须同时设置这两个键才能使其正常工作。

这是 Info.plist 的完整代码:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>CFBundleDevelopmentRegion</key>
    <string>$(DEVELOPMENT_LANGUAGE)</string>
    <key>CFBundleExecutable</key>
    <string>$(EXECUTABLE_NAME)</string>
    <key>CFBundleIdentifier</key>
    <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
    <key>CFBundleInfoDictionaryVersion</key>
    <string>6.0</string>
    <key>CFBundleName</key>
    <string>$(PRODUCT_NAME)</string>
    <key>CFBundlePackageType</key>
    <string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
    <key>CFBundleShortVersionString</key>
    <string>1.0</string>
    <key>CFBundleVersion</key>
    <string>1</string>
    <key>LSRequiresIPhoneOS</key>
    <true/>
    <key>UIApplicationSceneManifest</key>
    <dict>
        <key>UIApplicationSupportsMultipleScenes</key>
        <false/>
        <key>UISceneConfigurations</key>
        <dict>
            <key>UIWindowSceneSessionRoleApplication</key>
            <array>
                <dict>
                    <key>UILaunchStoryboardName</key>
                    <string>LaunchScreen</string>
                    <key>UISceneConfigurationName</key>
                    <string>Default Configuration</string>
                    <key>UISceneDelegateClassName</key>
                    <string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
                    <key>UISceneStoryboardFile</key>
                    <string>Main</string>
                </dict>
            </array>
        </dict>
    </dict>
    <key>UILaunchStoryboardName</key>
    <string>LaunchScreen</string>
    <key>UIMainStoryboardFile</key>
    <string>Main</string>
    <key>UIRequiredDeviceCapabilities</key>
    <array>
        <string>armv7</string>
    </array>
    <key>UISupportedInterfaceOrientations</key>
    <array>
        <string>UIInterfaceOrientationPortrait</string>
        <string>UIInterfaceOrientationLandscapeLeft</string>
        <string>UIInterfaceOrientationLandscapeRight</string>
    </array>
    <key>UISupportedInterfaceOrientations~ipad</key>
    <array>
        <string>UIInterfaceOrientationPortrait</string>
        <string>UIInterfaceOrientationPortraitUpsideDown</string>
        <string>UIInterfaceOrientationLandscapeLeft</string>
        <string>UIInterfaceOrientationLandscapeRight</string>
    </array>
</dict>
</plist>