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    <p>You need to use the custom container view controller api to do the switching of the controllers. The following code shows one way to do that. In this project I had a segmented control in the main view controller (the one with the container view) that switches beetween the two controllers. initialVC is the controller that's embedded in IB, and substituteVC is the one I'm switching to. The property, container, is an IBOutlet to the container view.</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; self.initialVC = self.childViewControllers.lastObject; self.substituteVC = [self.storyboard instantiateViewControllerWithIdentifier:@"Substitute"]; self.currentVC = self.initialVC; } -(IBAction)switchControllers:(UISegmentedControl *)sender { switch (sender.selectedSegmentIndex) { case 0: if (self.currentVC == self.substituteVC) { [self addChildViewController:self.initialVC]; self.initialVC.view.frame = self.container.bounds; [self moveToNewController:self.initialVC]; } break; case 1: if (self.currentVC == self.initialVC) { [self addChildViewController:self.substituteVC]; self.substituteVC.view.frame = self.container.bounds; [self moveToNewController:self.substituteVC]; } break; default: break; } } -(void)moveToNewController:(UIViewController *) newController { [self.currentVC willMoveToParentViewController:nil]; [self transitionFromViewController:self.currentVC toViewController:newController duration:.6 options:UIViewAnimationOptionTransitionFlipFromLeft animations:nil completion:^(BOOL finished) { [self.currentVC removeFromParentViewController]; [newController didMoveToParentViewController:self]; self.currentVC = newController; }]; } </code></pre> <p><strong>After Edit:</strong></p> <p>If you want to go to the new controller with no animation, you can do it like this (this substitutes for the code that I had under case 1).</p> <pre><code>[self addChildViewController:self.substituteVC]; [self.substituteVC didMoveToParentViewController:self]; self.substituteVC.view.frame = self.container.bounds; [self.container addSubview:self.substituteVC.view]; [self.currentVC removeFromParentViewController]; </code></pre>
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    1. COHey, thanks, that's terrific. One thing - to get the exact result I wanted (a straight swap - no animation), I changed your moveToNewController method, to duration:0 and options:UIViewAnimationOptionTransitionNone. But some of the code, including the completion block structure, seems redundant. Is there a simpler way to write the final method for a straight (non-animated) swap?
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    2. CO@JamesWhite, I've edited my answer to show how to do it with no animation.
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    3. COYou're a champ.
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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