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copied!<p>I've done a little testing, and although I don't like the method, it's quite easy to do.</p> <p>Having looked for a private method that may have worked, I couldn't find one. All I found was:</p> <pre><code>@property BOOL forceFullHeightInLandscape; - (BOOL)isMinibar; </code></pre> <p>There is no setter for <code>-isMinibar</code>, so we can't set that. I guess that it returns a value based on its height. Also, <code>forceFullHeightInLandscape</code> was set to <code>NO</code>, however it still didn't adjust its height.</p> <p>While changing the <code>autoresizingMask</code> to include <code>UIViewAutoresizingFlexibleHeight</code>, the view <em>did</em> resize to be smaller, but now it was too small. However, <code>-isMinibar</code> suddenly returned <code>YES</code>. So that made me think of just letting the view resize itself, adjusting it to the right height.</p> <p>So there we go, a method that works, even without private API calls:</p> <pre><code>- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration { [self.navigationBar performSelector:@selector(sizeToFit) withObject:nil afterDelay:(0.5f * duration)]; } </code></pre> <hr> <p>One thing you'll have to deal with is that the views below the bar won't get adjusted to the smaller bar, so that there will be a gap between the bar and the views below. Easiest way to solve this is to add a container view, just like the case with a <code>UINavigationController</code>. You'd come up with something like:</p> <pre><code>- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration { [self performSelector:@selector(resizeViewsForNavigationBar) withObject:nil afterDelay:(0.5f * duration)]; } - (void)resizeViewsForNavigationBar { [self.navigationBar sizeToFit]; // Resize containerView accordingly. CGRect containerViewRect = self.containerView.frame; containerViewRect.origin.y = CGRectGetMaxY(self.navigationBar.frame); containerViewRect.size.height = CGRectGetMaxY(self.view.frame) - containerViewRect.origin.y; self.containerView.frame = containerViewRect; } </code></pre>

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