Fix apparent crash when tapping tab bar item of selected tab

This commit is contained in:
Shadowfacts 2022-07-11 15:07:11 -04:00
parent 4fa1bd7268
commit af2e95ea39
1 changed files with 4 additions and 3 deletions

View File

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