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Prevent crashing when bounce enabled #3

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Prevent crashing when bounce enabled #3

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2 changes: 1 addition & 1 deletion PageViewController/PagerViewController.m
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Original file line number Diff line number Diff line change
Expand Up @@ -231,7 +231,7 @@ - (void)scrollViewDidScroll:(UIScrollView *)sender {
// Switch the indicator when more than 50% of the previous/next page is visible
CGFloat pageWidth = self.scrollView.frame.size.width;
int page = floor((self.scrollView.contentOffset.x - pageWidth / 2) / pageWidth) + 1;
if (self.pageControl.currentPage != page) {
if (self.pageControl.currentPage != page && page >= 0 && page <= self.pageControl.numberOfPages - 1) {
UIViewController *oldViewController = [self.childViewControllers objectAtIndex:self.pageControl.currentPage];
UIViewController *newViewController = [self.childViewControllers objectAtIndex:page];
[oldViewController viewWillDisappear:YES];
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