Fix apparent crash when tapping tab bar item of selected tab
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4fa1bd7268
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@ -13,11 +13,13 @@ class SegmentedPageViewController: UIPageViewController, UIPageViewControllerDel
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let titles: [String]
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let titles: [String]
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let pageControllers: [UIViewController]
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let pageControllers: [UIViewController]
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private(set) var currentIndex: Int!
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private(set) var currentIndex = 0
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var segmentedControl: UISegmentedControl!
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var segmentedControl: UISegmentedControl!
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init(titles: [String], pageControllers: [UIViewController]) {
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init(titles: [String], pageControllers: [UIViewController]) {
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precondition(!pageControllers.isEmpty)
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self.titles = titles
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self.titles = titles
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self.pageControllers = pageControllers
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self.pageControllers = pageControllers
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@ -41,7 +43,6 @@ class SegmentedPageViewController: UIPageViewController, UIPageViewControllerDel
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view.backgroundColor = .systemBackground
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view.backgroundColor = .systemBackground
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segmentedControl.selectedSegmentIndex = 0
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selectPage(at: 0, animated: false)
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selectPage(at: 0, animated: false)
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addKeyCommand(MenuController.prevSubTabCommand)
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addKeyCommand(MenuController.prevSubTabCommand)
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@ -56,7 +57,7 @@ class SegmentedPageViewController: UIPageViewController, UIPageViewControllerDel
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}
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}
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func selectPage(at index: Int, animated: Bool) {
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func selectPage(at index: Int, animated: Bool) {
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let direction: UIPageViewController.NavigationDirection = currentIndex == nil ? .forward : index - currentIndex > 0 ? .forward : .reverse
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let direction: UIPageViewController.NavigationDirection = index - currentIndex > 0 ? .forward : .reverse
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setViewControllers([pageControllers[index]], direction: direction, animated: animated)
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setViewControllers([pageControllers[index]], direction: direction, animated: animated)
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navigationItem.title = pageControllers[index].title
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navigationItem.title = pageControllers[index].title
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currentIndex = index
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currentIndex = index
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