CODEWITHSUNDEEP
iosobjective-cxcodeuiscrollviewuicollectionview
Declan Land
Declan Land

Reputation: 650

Xcode - [UITableView _contentOffsetForScrollingToRowAtIndexPath:atScrollPosition:]: row (7) beyond bounds (0) for section (0).'

I've just implemented the AGPhotoBrowser class into my Xcode project and I'm getting the error of:

Terminating app due to uncaught exception 'NSRangeException', reason: '-[UITableView _contentOffsetForScrollingToRowAtIndexPath:atScrollPosition:]: row (7) beyond bounds (0) for section (0).'

The code where the crash happens is here:

#pragma mark - UIScrollViewDelegate
- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
    if (!self.currentWindow.hidden && !_changingOrientation) {
        [self.overlayView resetOverlayView];

        CGPoint targetContentOffset = scrollView.contentOffset;

        UITableView *tv = (UITableView*)scrollView;
        NSIndexPath *indexPathOfTopRowAfterScrolling = [tv indexPathForRowAtPoint:targetContentOffset];

        [self setupPhotoForIndex:indexPathOfTopRowAfterScrolling.row];
    }
}

The crash seems to happen as soon as I exit the ViewController where this is implemented?

Upvotes: 3

Views: 13974

Answers (3)

saraman
saraman

Reputation: 566

Reload the TableView data before calling scrollToRowAtIndexPath().

[contentTableView reloadData];

Upvotes: 1

AmitaiB
AmitaiB

Reputation: 1708

I received this error when I neglected to set the tableview's Delegate and DataSource; so it seems that nil is also "out of bounds".

Xcode:6.4, iOS:8.x

Upvotes: 0

Fawad Masud
Fawad Masud

Reputation: 12344

The error tells you that your table does not have any row at index 7. It means that your table view consists of 7 rows and maximum range of indexPath.row can be 6 (because row index of a UITableView starts from 0). Whenever you will call a row at index path beyond range of the table, it will throw an error.

Upvotes: 9

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