UIPageViewController setViewControllers, UIPageControl not showing right current number

Question

I'am using a UIPageViewController with horizontal scrolling... as long as the user scrolls, the UIPageControl works correctly, problem occurs when jumping programmatically to next or previous page

[self.pageViewController setViewControllers:@[[self viewControllerWithIndex:index]] direction:UIPageViewControllerNavigationDirectionReverse animated:YES completion:nil];

Than the index of the UIPageControl isn't right (i would provide the index by myself, but cannot access the UIPageViewController's UIPageControl)

- (NSInteger)presentationCountForPageViewController:(UIPageViewController *)pageViewController {
    return IntroScreensCount;
}

- (NSInteger)presentationIndexForPageViewController:(UIPageViewController *)pageViewController {
    return 0;
}

How to get the current dot index of the UIPageControl right, when changing the UIPageViewController page programmatically?

edited, but the delegates have nothing to do with it, as they only provide min and max index, not the current one — Peter Lapisu

Peter Lapisu Peter Lapisu · Accepted Answer · 2014-01-28T13:31:22

ok, turned out that i misunderstood one delegate method

- (NSInteger)presentationIndexForPageViewController:(UIPageViewController *)pageViewController {
    return [(IntroPageViewController *)[pageViewController.viewControllers firstObject] index];
}

UIPageViewController setViewControllers, UIPageControl not showing right current number

1 Answers