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December 14, 2015 14:48
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Detect UINavigation back button press
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| - (void)viewWillDisappear:(BOOL)animated { | |
| if ([self.navigationController.viewControllers indexOfObject:self]==NSNotFound) { | |
| // back button was pressed. We know this is true because self is no longer | |
| // in the navigation stack. | |
| } | |
| [super viewWillDisappear:animated]; | |
| } |
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