iOS 7, UITableView and incorrect separator lines

Question

I have a problem in iOS 7 with UITableView (style: UITableViewStyleGrouped) and separatorInset. At times, the separator is not visible.

Briefly, using the same table (exactly the same code) if I render the table loading directly all data (for example from a NSArray), separator lines are correct (default iOS7 style, correct inset value). If I dynamically add new rows to the same table using something like insertRowsAtIndexPaths, separator lines span the full width of the cell/screen (so, no iOS7 default style).

I tried to force 'separatorInset' using setSeparatorInset in both UITableView and in every single cell but this did not worked. If I reloadData after adding a new row, the separator lines are correctly shown.but this seems not a great solution.

Any ideas why separator is intermittently not visible?

Answer 1

Write this code in your ViewDidLoad method :

[tblView setSeparatorInset:UIEdgeInsetsZero];

Answer 2

For me the only things working is reload the previous cell, i.e. the one that is on top of the selected cell.

if (indexPath.row > 0) {
    NSIndexPath *path = [NSIndexPath indexPathForRow:indexPath.row - 1 inSection:indexPath.section];
    [tableView reloadRowsAtIndexPaths:@[path] withRowAnimation:UITableViewRowAnimationNone];
}