ios - UITabBarController 内的导航 Controller ？
<p><p>我正在使用 <a href="https://github.com/kishikawakatsumi/PEPhotoCropEditor" rel="noreferrer noopener nofollow">PEPhotoCropEditor</a>在 UITabBarController 内。当我选择图像进行裁剪时。它在 iOS 8.0 上运行良好。但是当我从 iOS 6.1 裁剪图像时，出现以下错误</p>
<p> <a href="/image/CLkdZ.png" rel="noreferrer noopener nofollow"><img src="/image/CLkdZ.png" alt="enter image description here"/></a> </p>
<pre><code>Warning: Attempt to present <UINavigationController: 0x201cc5f0> on <UITabBarController: 0x2013a3f0> while a presentation is in progress!
</code></pre>
<p>任何人都可以请任何解决方案在 iOS 6.1 及更高版本下在 TabbarController 内执行图像裁剪</p></p>
<br><hr><h1><strong>Best Answer-推荐答案</ strong></h1><br>
<p><p>可能是您正在呈现另一个 Controller ，而 ViewController 将呈现。
尝试 ;</p>
<p>点击这些链接 -</p>
<p> <a href="https://stackoverflow.com/questions/15287678/warning-attempt-to-present-viewcontroller-whose-view-is-not-in-the-window-hiera/15287859#15287859" rel="noreferrer noopener nofollow">Warning: attempt to present ViewController whose view is not in the window hierarchy</a> </p>
<p> <a href="https://stackoverflow.com/questions/25213152/warning-attempt-to-present-modaltableviewcontroller-on-maintableviewcontroller" rel="noreferrer noopener nofollow">Warning: Attempt to present ModalTableViewController on MainTableViewController which is already presenting (null)</a> </p></p>
<p style="font-size: 20px;">关于ios - UITabBarController 内的导航 Controller ？，我们在Stack Overflow上找到一个类似的问题：
<a href="https://stackoverflow.com/questions/31705309/" rel="noreferrer noopener nofollow" style="color: red;">
https://stackoverflow.com/questions/31705309/
</a>
</p>
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