How to know the UITableview row number

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Tags, subclasses, or view hierarchy navigation are too much work!. Do this in your action method:

CGPoint hitPoint = [sender convertPoint:CGPointZero toView:self.tableView]; 
NSIndexPath *hitIndex = [self.tableView indexPathForRowAtPoint:hitPoint];

Works with any type of view, multi section tables, whatever you can throw at it – as long as the origin of your sender is within the cell’s frame (thanks rob!), which will usually be the case.

And here it is in a UITableView Swift extension:

extension UITableView {
    func indexPath(for view: UIView) -> IndexPath? {
        let location = view.convert(CGPoint.zero, to: self)
        return self.indexPathForRow(at: location)
    }
}

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