ios - 我可以使用 Document Provider 扩展上的导航 Controller 来模拟文件夹导航吗？
<p><p>我正在为我的应用程序实现一个文档提供程序，我必须在其中模拟文件夹导航。</p>
<p> <a href="https://developer.apple.com/library/ios/documentation/General/Conceptual/ExtensibilityPG/FileProvider.html" rel="noreferrer noopener nofollow">Apple documentation</a>说:</p>
<blockquote>
<p>In either case, the host app presents a document picker view
controller. The system then imbeds your Document Picker View
Controller extension inside the app’s view controller. The app’s view
controller provides a navigation bar with the document provider’s
name, a location switcher, and a Done button. Your extension must
provide the rest of the user interface.</p>
</blockquote>
<p>还有:</p>
<blockquote>
<p>The <code>UIDocumentPickerExtensionViewController</code> object acts as the root
view controller for your user interface; therefore, it is often
convenient to make it a container controller. You can then create a
separate child view controllers for each mode, and your extension
simply presents the appropriate child view controller in your
<code>prepareForPresentationInMode:</code> method.</p>
</blockquote>
<p>有没有办法使用主导航 Controller 来推送自定义 ViewController 并模拟 iCloud Document Provider 扩展的相同行为？</p></p>
<br><hr><h1><strong>Best Answer-推荐答案</ strong></h1><br>
<p><p>你不能，如果你放上你的导航 Controller ，你会看到两个导航栏——你的和系统的。系统导航栏是私有(private)的，您无权访问它。目前，您无法制作像 iCloud 这样的文档提供程序扩展。</p></p>
<p style="font-size: 20px;">关于ios - 我可以使用 Document Provider 扩展上的导航 Controller 来模拟文件夹导航吗？，我们在Stack Overflow上找到一个类似的问题：
<a href="https://stackoverflow.com/questions/26409656/" rel="noreferrer noopener nofollow" style="color: red;">
https://stackoverflow.com/questions/26409656/
</a>
</p>
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