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POCan I use a UINavigationController as the detail view of a UISplitViewController?
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  1. POCan I use a UINavigationController as the detail view of a UISplitViewController?
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    copied!<p>I'm running into a problem with an iPad app where I would like to have UINavigationControllers in both of the views within a UISplitView. I've looked through other similar questions here, but most link to a tutorial online that doesn't completely solve the problem. Here's a 2-minute walkthrough to re-create the problem I'm having:</p> <ol> <li>Create a New Project in XCode, starting from the Split View-based Application template.</li> <li><p>Add the following NSLog statement as the first line within the DetailViewController's willHideViewController method:</p> <p>NSLog(@"toolbar: %@", toolbar);</p></li> </ol> <p>If you run the application now, the log will show that the DetailViewController's toolbar is alive and well. Now...</p> <ol start="3"> <li>Open MainWindow.xib and expand the SplitViewController.</li> <li>Drag a Navigation Controller from the library on top of the DetailViewController.</li> <li>Expand the new Navigation Controller and change the class of the UIViewController within to a DetailViewController.</li> <li>Ctrl-drag from the SplitViewController to the DetailViewController and assign it as the delegate.</li> <li>Save MainWindow.xib and run the app again.</li> </ol> <p>At this point, the detail view has a navigation bar and an empty toolbar. If you view the logs, you should find that the toolbar is null. Why is this? Am I missing some sort of connection in Interface Builder? Is the navigation bar the problem for some reason?</p> <p>Unlike the tutorial at <a href="http://www.cimgf.com/2010/05/24/fixing-the-uisplitviewcontroller-template/" rel="noreferrer">http://www.cimgf.com/2010/05/24/fixing-the-uisplitviewcontroller-template/</a>, I would like to keep both the navigation bar and the toolbar (preferably with the toolbar at the top when in portrait and not visible when in landscape), so that I still have a functional "Back" button when the iPad is in portrait orientation.</p> <p>Does anyone have any suggestions for fixing this problem? An example project with this sort of set-up would be ideal.</p>
 

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