blocks|key|70930|text|使用Xcode11Beta3，我可以通过以下步骤可靠地让情节串连板在新的SwiftUI项目中作为根视图控制器工作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|70931|70932|注释掉SceneDelegate的scene(willConnectTo:)中的代码，创建一个新的Main.storyboard，添加一个视图控制器，并在上面设置“是初始视图控制器”。|ordered-list-item|offset|length|style|CODE|70933|选择iOS目标的Info.plist，右键单击“作为->源代码打开”。|70934|添加UISceneStoryboardFile和UIMainStoryboardFile键，如下所示：<代码>H211<代码>G212|70935|70936|​|70937|📷|atomic|70938|70939|在目标的部署信息部分中设置主界面仅设置UIMainStoryboardFile键，但为了使其正常工作，我必须同时设置这两个键。|70940|下面是Info.plist的完整代码：|70941|<?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>|code-block|syntax|javascript|70942|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/dba29b82bd2e7c3fe067476c16312e5e.png|imageAlt^0|0|0|H|L|0|0|2|L|O|K|0|0|0|0|1|0|0|0|J|K|0|0|0^^$0|@$1|2|3|4|5|6|7|1C|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|1D|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1E|8|@$F|1F|G|1G|H|I]]|9|@]|A|$]]|$1|J|3|K|5|E|7|1H|8|@]|9|@]|A|$]]|$1|L|3|M|5|E|7|1I|8|@$F|1J|G|1K|H|I]|$F|1L|G|1M|H|I]]|9|@]|A|$]]|$1|N|3|-4|5|6|7|1N|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1O|8|@]|9|@]|A|$]]|$1|Q|3|R|5|S|7|1P|8|@]|9|@$F|1Q|G|1R|1|1S]]|A|$]]|$1|T|3|P|5|6|7|1T|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1U|8|@$F|1V|G|1W|H|I]]|9|@]|A|$]]|$1|W|3|X|5|6|7|1X|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|10|7|1Y|8|@]|9|@]|A|$11|12]]|$1|13|3|-4|5|6|7|1Z|8|@]|9|@]|A|$]]]|14|$15|$5|16|17|18|A|$19|1A|1B|-4]]]]

Using Xcode 11 beta 3, I can reliably get a storyboard working as the root view controller in a new SwiftUI project with the following steps:

<ol>
<li>Comment out the code in SceneDelegate's <code>scene(willConnectTo:)</code> function.</li>
<li>Create a new Main.storyboard, add a view controller, and set "Is Initial View Controller" on it.</li>
<li>Select the Info.plist for the iOS target, right click Open As -> Source Code.</li>
<li>Add the <code>UISceneStoryboardFile</code> and <code>UIMainStoryboardFile</code> keys as shown here:</li>
</ol>

<a href="https://i.stack.imgur.com/gHKxw.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/gHKxw.png" alt="Info.plist snippet"></a>

Setting the Main Interface in the Target's Deployment Info section only sets the <code>UIMainStoryboardFile</code> key but I had to set both in order to get it to work properly.

Here is the full code of the Info.plist:

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

I had try following 

<ol>
<li>Replace following code in SceneDelegate

<pre><code>let window = UIWindow(frame: UIScreen.main.bounds)
window.rootViewController = UIHostingController(rootView: ContentView())
self.window = window
window.makeKeyAndVisible()
</code></pre></li>
</ol>

instead 

<pre><code>guard let _ = (scene as? UIWindowScene) else { return }
</code></pre>

also set Main Interface as a Storyboard and entry point. 

<blockquote>
 Issue : Getting black screen after launch Launching screen
</blockquote>

Can we change root view controller as a Storybord After creating a project in SwiftUI?

我试着追随替换SceneDelegate中的以下代码让window = UIWindow(frame: UIScreen.main.bounds) window.rootViewController = UIHostingController(rootView: ContentView()) self.window =...

问在SwiftUI中创建项目后，我们可以将根视图控制器更改为Storybord吗？
EN

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问在SwiftUI中创建项目后，我们可以将根视图控制器更改为Storybord吗？EN

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问在SwiftUI中创建项目后，我们可以将根视图控制器更改为Storybord吗？
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